Index: lib/Target/X86/X86ISelLowering.cpp =================================================================== --- lib/Target/X86/X86ISelLowering.cpp +++ lib/Target/X86/X86ISelLowering.cpp @@ -1663,10 +1663,11 @@ MaxStoresPerMemmove = 8; // For @llvm.memmove -> sequence of stores MaxStoresPerMemmoveOptSize = 4; - // TODO: These control memcmp expansion in CGP and are set low to prevent - // altering the vector expansion for 16/32 byte memcmp in SelectionDAGBuilder. - MaxLoadsPerMemcmp = 1; - MaxLoadsPerMemcmpOptSize = 1; + // TODO: These control memcmp expansion in CGP and could be raised higher, but + // that needs to benchmarked and balanced with the potential use of vector + // load/store types (PR33329). + MaxLoadsPerMemcmp = 4; + MaxLoadsPerMemcmpOptSize = 4; // Set loop alignment to 2^ExperimentalPrefLoopAlignment bytes (default: 2^4). setPrefLoopAlignment(ExperimentalPrefLoopAlignment); Index: test/CodeGen/X86/memcmp.ll =================================================================== --- test/CodeGen/X86/memcmp.ll +++ test/CodeGen/X86/memcmp.ll @@ -1,5 +1,5 @@ ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py -; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefix=X86 --check-prefix=X86-NOSSE +; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=cmov | FileCheck %s --check-prefix=X86 --check-prefix=X86-NOSSE ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86 --check-prefix=X86-SSE2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64 --check-prefix=X64-SSE2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=AVX2 | FileCheck %s --check-prefix=X64 --check-prefix=X64-AVX2 @@ -12,43 +12,21 @@ declare i32 @memcmp(i8*, i8*, i64) define i32 @length2(i8* %X, i8* %Y) nounwind { -; X86-NOSSE-LABEL: length2: -; X86-NOSSE: # BB#0: -; X86-NOSSE-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NOSSE-NEXT: movl {{[0-9]+}}(%esp), %ecx -; X86-NOSSE-NEXT: movzwl (%ecx), %ecx -; X86-NOSSE-NEXT: movzwl (%eax), %eax -; X86-NOSSE-NEXT: rolw $8, %cx -; X86-NOSSE-NEXT: rolw $8, %ax -; X86-NOSSE-NEXT: cmpw %ax, %cx -; X86-NOSSE-NEXT: movl $-1, %eax -; X86-NOSSE-NEXT: jae .LBB0_1 -; X86-NOSSE-NEXT: # BB#2: -; X86-NOSSE-NEXT: je .LBB0_3 -; X86-NOSSE-NEXT: .LBB0_4: -; X86-NOSSE-NEXT: retl -; X86-NOSSE-NEXT: .LBB0_1: -; X86-NOSSE-NEXT: movl $1, %eax -; X86-NOSSE-NEXT: jne .LBB0_4 -; X86-NOSSE-NEXT: .LBB0_3: -; X86-NOSSE-NEXT: xorl %eax, %eax -; X86-NOSSE-NEXT: retl -; -; X86-SSE2-LABEL: length2: -; X86-SSE2: # BB#0: -; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx -; X86-SSE2-NEXT: movzwl (%ecx), %ecx -; X86-SSE2-NEXT: movzwl (%eax), %eax -; X86-SSE2-NEXT: rolw $8, %cx -; X86-SSE2-NEXT: rolw $8, %ax -; X86-SSE2-NEXT: xorl %edx, %edx -; X86-SSE2-NEXT: cmpw %ax, %cx -; X86-SSE2-NEXT: movl $-1, %ecx -; X86-SSE2-NEXT: movl $1, %eax -; X86-SSE2-NEXT: cmovbl %ecx, %eax -; X86-SSE2-NEXT: cmovel %edx, %eax -; X86-SSE2-NEXT: retl +; X86-LABEL: length2: +; X86: # BB#0: +; X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: movzwl (%ecx), %ecx +; X86-NEXT: movzwl (%eax), %eax +; X86-NEXT: rolw $8, %cx +; X86-NEXT: rolw $8, %ax +; X86-NEXT: xorl %edx, %edx +; X86-NEXT: cmpw %ax, %cx +; X86-NEXT: movl $-1, %ecx +; X86-NEXT: movl $1, %eax +; X86-NEXT: cmovbl %ecx, %eax +; X86-NEXT: cmovel %edx, %eax +; X86-NEXT: retl ; ; X64-LABEL: length2: ; X64: # BB#0: @@ -137,44 +115,90 @@ define i32 @length3(i8* %X, i8* %Y) nounwind { ; X86-LABEL: length3: -; X86: # BB#0: -; X86-NEXT: pushl $0 -; X86-NEXT: pushl $3 -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: calll memcmp -; X86-NEXT: addl $16, %esp +; X86: # BB#0: # %loadbb +; X86-NEXT: pushl %esi +; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-NEXT: movzwl (%eax), %edx +; X86-NEXT: movzwl (%ecx), %esi +; X86-NEXT: rolw $8, %dx +; X86-NEXT: rolw $8, %si +; X86-NEXT: movzwl %dx, %edx +; X86-NEXT: movzwl %si, %esi +; X86-NEXT: cmpl %esi, %edx +; X86-NEXT: jne .LBB4_1 +; X86-NEXT: # BB#2: # %loadbb1 +; X86-NEXT: movzbl 2(%eax), %eax +; X86-NEXT: movzbl 2(%ecx), %ecx +; X86-NEXT: subl %ecx, %eax +; X86-NEXT: popl %esi +; X86-NEXT: retl +; X86-NEXT: .LBB4_1: # %res_block +; X86-NEXT: movl $-1, %ecx +; X86-NEXT: movl $1, %eax +; X86-NEXT: cmovbl %ecx, %eax +; X86-NEXT: popl %esi ; X86-NEXT: retl ; ; X64-LABEL: length3: -; X64: # BB#0: -; X64-NEXT: movl $3, %edx -; X64-NEXT: jmp memcmp # TAILCALL +; X64: # BB#0: # %loadbb +; X64-NEXT: movzwl (%rdi), %eax +; X64-NEXT: movzwl (%rsi), %ecx +; X64-NEXT: rolw $8, %ax +; X64-NEXT: rolw $8, %cx +; X64-NEXT: movzwl %ax, %eax +; X64-NEXT: movzwl %cx, %ecx +; X64-NEXT: cmpq %rcx, %rax +; X64-NEXT: jne .LBB4_1 +; X64-NEXT: # BB#2: # %loadbb1 +; X64-NEXT: movzbl 2(%rdi), %eax +; X64-NEXT: movzbl 2(%rsi), %ecx +; X64-NEXT: subl %ecx, %eax +; X64-NEXT: retq +; X64-NEXT: .LBB4_1: # %res_block +; X64-NEXT: movl $-1, %ecx +; X64-NEXT: movl $1, %eax +; X64-NEXT: cmovbl %ecx, %eax +; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 3) nounwind ret i32 %m } define i1 @length3_eq(i8* %X, i8* %Y) nounwind { ; X86-LABEL: length3_eq: -; X86: # BB#0: -; X86-NEXT: pushl $0 -; X86-NEXT: pushl $3 -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: calll memcmp -; X86-NEXT: addl $16, %esp +; X86: # BB#0: # %loadbb +; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-NEXT: movzwl (%eax), %edx +; X86-NEXT: cmpw (%ecx), %dx +; X86-NEXT: jne .LBB5_1 +; X86-NEXT: # BB#2: # %loadbb1 +; X86-NEXT: movb 2(%eax), %dl +; X86-NEXT: xorl %eax, %eax +; X86-NEXT: cmpb 2(%ecx), %dl +; X86-NEXT: je .LBB5_3 +; X86-NEXT: .LBB5_1: # %res_block +; X86-NEXT: movl $1, %eax +; X86-NEXT: .LBB5_3: # %endblock ; X86-NEXT: testl %eax, %eax ; X86-NEXT: setne %al ; X86-NEXT: retl ; ; X64-LABEL: length3_eq: -; X64: # BB#0: -; X64-NEXT: pushq %rax -; X64-NEXT: movl $3, %edx -; X64-NEXT: callq memcmp +; X64: # BB#0: # %loadbb +; X64-NEXT: movzwl (%rdi), %eax +; X64-NEXT: cmpw (%rsi), %ax +; X64-NEXT: jne .LBB5_1 +; X64-NEXT: # BB#2: # %loadbb1 +; X64-NEXT: movb 2(%rdi), %cl +; X64-NEXT: xorl %eax, %eax +; X64-NEXT: cmpb 2(%rsi), %cl +; X64-NEXT: je .LBB5_3 +; X64-NEXT: .LBB5_1: # %res_block +; X64-NEXT: movl $1, %eax +; X64-NEXT: .LBB5_3: # %endblock ; X64-NEXT: testl %eax, %eax ; X64-NEXT: setne %al -; X64-NEXT: popq %rcx ; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 3) nounwind %c = icmp ne i32 %m, 0 @@ -182,43 +206,21 @@ } define i32 @length4(i8* %X, i8* %Y) nounwind { -; X86-NOSSE-LABEL: length4: -; X86-NOSSE: # BB#0: -; X86-NOSSE-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-NOSSE-NEXT: movl {{[0-9]+}}(%esp), %ecx -; X86-NOSSE-NEXT: movl (%ecx), %ecx -; X86-NOSSE-NEXT: movl (%eax), %eax -; X86-NOSSE-NEXT: bswapl %ecx -; X86-NOSSE-NEXT: bswapl %eax -; X86-NOSSE-NEXT: cmpl %eax, %ecx -; X86-NOSSE-NEXT: movl $-1, %eax -; X86-NOSSE-NEXT: jae .LBB6_1 -; X86-NOSSE-NEXT: # BB#2: -; X86-NOSSE-NEXT: je .LBB6_3 -; X86-NOSSE-NEXT: .LBB6_4: -; X86-NOSSE-NEXT: retl -; X86-NOSSE-NEXT: .LBB6_1: -; X86-NOSSE-NEXT: movl $1, %eax -; X86-NOSSE-NEXT: jne .LBB6_4 -; X86-NOSSE-NEXT: .LBB6_3: -; X86-NOSSE-NEXT: xorl %eax, %eax -; X86-NOSSE-NEXT: retl -; -; X86-SSE2-LABEL: length4: -; X86-SSE2: # BB#0: -; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx -; X86-SSE2-NEXT: movl (%ecx), %ecx -; X86-SSE2-NEXT: movl (%eax), %eax -; X86-SSE2-NEXT: bswapl %ecx -; X86-SSE2-NEXT: bswapl %eax -; X86-SSE2-NEXT: xorl %edx, %edx -; X86-SSE2-NEXT: cmpl %eax, %ecx -; X86-SSE2-NEXT: movl $-1, %ecx -; X86-SSE2-NEXT: movl $1, %eax -; X86-SSE2-NEXT: cmovbl %ecx, %eax -; X86-SSE2-NEXT: cmovel %edx, %eax -; X86-SSE2-NEXT: retl +; X86-LABEL: length4: +; X86: # BB#0: +; X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: movl (%ecx), %ecx +; X86-NEXT: movl (%eax), %eax +; X86-NEXT: bswapl %ecx +; X86-NEXT: bswapl %eax +; X86-NEXT: xorl %edx, %edx +; X86-NEXT: cmpl %eax, %ecx +; X86-NEXT: movl $-1, %ecx +; X86-NEXT: movl $1, %eax +; X86-NEXT: cmovbl %ecx, %eax +; X86-NEXT: cmovel %edx, %eax +; X86-NEXT: retl ; ; X64-LABEL: length4: ; X64: # BB#0: @@ -278,44 +280,86 @@ define i32 @length5(i8* %X, i8* %Y) nounwind { ; X86-LABEL: length5: -; X86: # BB#0: -; X86-NEXT: pushl $0 -; X86-NEXT: pushl $5 -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: calll memcmp -; X86-NEXT: addl $16, %esp +; X86: # BB#0: # %loadbb +; X86-NEXT: pushl %esi +; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-NEXT: movl (%eax), %edx +; X86-NEXT: movl (%ecx), %esi +; X86-NEXT: bswapl %edx +; X86-NEXT: bswapl %esi +; X86-NEXT: cmpl %esi, %edx +; X86-NEXT: jne .LBB9_1 +; X86-NEXT: # BB#2: # %loadbb1 +; X86-NEXT: movzbl 4(%eax), %eax +; X86-NEXT: movzbl 4(%ecx), %ecx +; X86-NEXT: subl %ecx, %eax +; X86-NEXT: popl %esi +; X86-NEXT: retl +; X86-NEXT: .LBB9_1: # %res_block +; X86-NEXT: movl $-1, %ecx +; X86-NEXT: movl $1, %eax +; X86-NEXT: cmovbl %ecx, %eax +; X86-NEXT: popl %esi ; X86-NEXT: retl ; ; X64-LABEL: length5: -; X64: # BB#0: -; X64-NEXT: movl $5, %edx -; X64-NEXT: jmp memcmp # TAILCALL +; X64: # BB#0: # %loadbb +; X64-NEXT: movl (%rdi), %eax +; X64-NEXT: movl (%rsi), %ecx +; X64-NEXT: bswapl %eax +; X64-NEXT: bswapl %ecx +; X64-NEXT: cmpq %rcx, %rax +; X64-NEXT: jne .LBB9_1 +; X64-NEXT: # BB#2: # %loadbb1 +; X64-NEXT: movzbl 4(%rdi), %eax +; X64-NEXT: movzbl 4(%rsi), %ecx +; X64-NEXT: subl %ecx, %eax +; X64-NEXT: retq +; X64-NEXT: .LBB9_1: # %res_block +; X64-NEXT: movl $-1, %ecx +; X64-NEXT: movl $1, %eax +; X64-NEXT: cmovbl %ecx, %eax +; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 5) nounwind ret i32 %m } define i1 @length5_eq(i8* %X, i8* %Y) nounwind { ; X86-LABEL: length5_eq: -; X86: # BB#0: -; X86-NEXT: pushl $0 -; X86-NEXT: pushl $5 -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: calll memcmp -; X86-NEXT: addl $16, %esp +; X86: # BB#0: # %loadbb +; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-NEXT: movl (%eax), %edx +; X86-NEXT: cmpl (%ecx), %edx +; X86-NEXT: jne .LBB10_1 +; X86-NEXT: # BB#2: # %loadbb1 +; X86-NEXT: movb 4(%eax), %dl +; X86-NEXT: xorl %eax, %eax +; X86-NEXT: cmpb 4(%ecx), %dl +; X86-NEXT: je .LBB10_3 +; X86-NEXT: .LBB10_1: # %res_block +; X86-NEXT: movl $1, %eax +; X86-NEXT: .LBB10_3: # %endblock ; X86-NEXT: testl %eax, %eax ; X86-NEXT: setne %al ; X86-NEXT: retl ; ; X64-LABEL: length5_eq: -; X64: # BB#0: -; X64-NEXT: pushq %rax -; X64-NEXT: movl $5, %edx -; X64-NEXT: callq memcmp +; X64: # BB#0: # %loadbb +; X64-NEXT: movl (%rdi), %eax +; X64-NEXT: cmpl (%rsi), %eax +; X64-NEXT: jne .LBB10_1 +; X64-NEXT: # BB#2: # %loadbb1 +; X64-NEXT: movb 4(%rdi), %cl +; X64-NEXT: xorl %eax, %eax +; X64-NEXT: cmpb 4(%rsi), %cl +; X64-NEXT: je .LBB10_3 +; X64-NEXT: .LBB10_1: # %res_block +; X64-NEXT: movl $1, %eax +; X64-NEXT: .LBB10_3: # %endblock ; X64-NEXT: testl %eax, %eax ; X64-NEXT: setne %al -; X64-NEXT: popq %rcx ; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 5) nounwind %c = icmp ne i32 %m, 0 @@ -324,13 +368,33 @@ define i32 @length8(i8* %X, i8* %Y) nounwind { ; X86-LABEL: length8: -; X86: # BB#0: -; X86-NEXT: pushl $0 -; X86-NEXT: pushl $8 -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: calll memcmp -; X86-NEXT: addl $16, %esp +; X86: # BB#0: # %loadbb +; X86-NEXT: pushl %esi +; X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-NEXT: movl {{[0-9]+}}(%esp), %esi +; X86-NEXT: movl (%esi), %ecx +; X86-NEXT: movl (%eax), %edx +; X86-NEXT: bswapl %ecx +; X86-NEXT: bswapl %edx +; X86-NEXT: cmpl %edx, %ecx +; X86-NEXT: jne .LBB11_1 +; X86-NEXT: # BB#2: # %loadbb1 +; X86-NEXT: movl 4(%esi), %ecx +; X86-NEXT: movl 4(%eax), %edx +; X86-NEXT: bswapl %ecx +; X86-NEXT: bswapl %edx +; X86-NEXT: xorl %eax, %eax +; X86-NEXT: cmpl %edx, %ecx +; X86-NEXT: jne .LBB11_1 +; X86-NEXT: # BB#3: # %endblock +; X86-NEXT: popl %esi +; X86-NEXT: retl +; X86-NEXT: .LBB11_1: # %res_block +; X86-NEXT: cmpl %edx, %ecx +; X86-NEXT: movl $-1, %ecx +; X86-NEXT: movl $1, %eax +; X86-NEXT: cmovbl %ecx, %eax +; X86-NEXT: popl %esi ; X86-NEXT: retl ; ; X64-LABEL: length8: @@ -352,13 +416,20 @@ define i1 @length8_eq(i8* %X, i8* %Y) nounwind { ; X86-LABEL: length8_eq: -; X86: # BB#0: -; X86-NEXT: pushl $0 -; X86-NEXT: pushl $8 -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: calll memcmp -; X86-NEXT: addl $16, %esp +; X86: # BB#0: # %loadbb +; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-NEXT: movl (%eax), %edx +; X86-NEXT: cmpl (%ecx), %edx +; X86-NEXT: jne .LBB12_1 +; X86-NEXT: # BB#2: # %loadbb1 +; X86-NEXT: movl 4(%eax), %edx +; X86-NEXT: xorl %eax, %eax +; X86-NEXT: cmpl 4(%ecx), %edx +; X86-NEXT: je .LBB12_3 +; X86-NEXT: .LBB12_1: # %res_block +; X86-NEXT: movl $1, %eax +; X86-NEXT: .LBB12_3: # %endblock ; X86-NEXT: testl %eax, %eax ; X86-NEXT: sete %al ; X86-NEXT: retl @@ -376,13 +447,17 @@ define i1 @length8_eq_const(i8* %X) nounwind { ; X86-LABEL: length8_eq_const: -; X86: # BB#0: -; X86-NEXT: pushl $0 -; X86-NEXT: pushl $8 -; X86-NEXT: pushl $.L.str -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: calll memcmp -; X86-NEXT: addl $16, %esp +; X86: # BB#0: # %loadbb +; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: cmpl $858927408, (%ecx) # imm = 0x33323130 +; X86-NEXT: jne .LBB13_1 +; X86-NEXT: # BB#2: # %loadbb1 +; X86-NEXT: xorl %eax, %eax +; X86-NEXT: cmpl $926299444, 4(%ecx) # imm = 0x37363534 +; X86-NEXT: je .LBB13_3 +; X86-NEXT: .LBB13_1: # %res_block +; X86-NEXT: movl $1, %eax +; X86-NEXT: .LBB13_3: # %endblock ; X86-NEXT: testl %eax, %eax ; X86-NEXT: setne %al ; X86-NEXT: retl @@ -400,25 +475,43 @@ define i1 @length12_eq(i8* %X, i8* %Y) nounwind { ; X86-LABEL: length12_eq: -; X86: # BB#0: -; X86-NEXT: pushl $0 -; X86-NEXT: pushl $12 -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: calll memcmp -; X86-NEXT: addl $16, %esp -; X86-NEXT: testl %eax, %eax +; X86: # BB#0: # %loadbb +; X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: movl (%ecx), %edx +; X86-NEXT: cmpl (%eax), %edx +; X86-NEXT: jne .LBB14_1 +; X86-NEXT: # BB#2: # %loadbb1 +; X86-NEXT: movl 4(%ecx), %edx +; X86-NEXT: cmpl 4(%eax), %edx +; X86-NEXT: jne .LBB14_1 +; X86-NEXT: # BB#3: # %loadbb2 +; X86-NEXT: movl 8(%ecx), %edx +; X86-NEXT: xorl %ecx, %ecx +; X86-NEXT: cmpl 8(%eax), %edx +; X86-NEXT: je .LBB14_4 +; X86-NEXT: .LBB14_1: # %res_block +; X86-NEXT: movl $1, %ecx +; X86-NEXT: .LBB14_4: # %endblock +; X86-NEXT: testl %ecx, %ecx ; X86-NEXT: setne %al ; X86-NEXT: retl ; ; X64-LABEL: length12_eq: -; X64: # BB#0: -; X64-NEXT: pushq %rax -; X64-NEXT: movl $12, %edx -; X64-NEXT: callq memcmp +; X64: # BB#0: # %loadbb +; X64-NEXT: movq (%rdi), %rax +; X64-NEXT: cmpq (%rsi), %rax +; X64-NEXT: jne .LBB14_1 +; X64-NEXT: # BB#2: # %loadbb1 +; X64-NEXT: movl 8(%rdi), %ecx +; X64-NEXT: xorl %eax, %eax +; X64-NEXT: cmpl 8(%rsi), %ecx +; X64-NEXT: je .LBB14_3 +; X64-NEXT: .LBB14_1: # %res_block +; X64-NEXT: movl $1, %eax +; X64-NEXT: .LBB14_3: # %endblock ; X64-NEXT: testl %eax, %eax ; X64-NEXT: setne %al -; X64-NEXT: popq %rcx ; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 12) nounwind %c = icmp ne i32 %m, 0 @@ -427,19 +520,66 @@ define i32 @length12(i8* %X, i8* %Y) nounwind { ; X86-LABEL: length12: -; X86: # BB#0: -; X86-NEXT: pushl $0 -; X86-NEXT: pushl $12 -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: calll memcmp -; X86-NEXT: addl $16, %esp +; X86: # BB#0: # %loadbb +; X86-NEXT: pushl %esi +; X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-NEXT: movl {{[0-9]+}}(%esp), %esi +; X86-NEXT: movl (%esi), %ecx +; X86-NEXT: movl (%eax), %edx +; X86-NEXT: bswapl %ecx +; X86-NEXT: bswapl %edx +; X86-NEXT: cmpl %edx, %ecx +; X86-NEXT: jne .LBB15_1 +; X86-NEXT: # BB#2: # %loadbb1 +; X86-NEXT: movl 4(%esi), %ecx +; X86-NEXT: movl 4(%eax), %edx +; X86-NEXT: bswapl %ecx +; X86-NEXT: bswapl %edx +; X86-NEXT: cmpl %edx, %ecx +; X86-NEXT: jne .LBB15_1 +; X86-NEXT: # BB#3: # %loadbb2 +; X86-NEXT: movl 8(%esi), %ecx +; X86-NEXT: movl 8(%eax), %edx +; X86-NEXT: bswapl %ecx +; X86-NEXT: bswapl %edx +; X86-NEXT: xorl %eax, %eax +; X86-NEXT: cmpl %edx, %ecx +; X86-NEXT: jne .LBB15_1 +; X86-NEXT: # BB#4: # %endblock +; X86-NEXT: popl %esi +; X86-NEXT: retl +; X86-NEXT: .LBB15_1: # %res_block +; X86-NEXT: cmpl %edx, %ecx +; X86-NEXT: movl $-1, %ecx +; X86-NEXT: movl $1, %eax +; X86-NEXT: cmovbl %ecx, %eax +; X86-NEXT: popl %esi ; X86-NEXT: retl ; ; X64-LABEL: length12: -; X64: # BB#0: -; X64-NEXT: movl $12, %edx -; X64-NEXT: jmp memcmp # TAILCALL +; X64: # BB#0: # %loadbb +; X64-NEXT: movq (%rdi), %rcx +; X64-NEXT: movq (%rsi), %rdx +; X64-NEXT: bswapq %rcx +; X64-NEXT: bswapq %rdx +; X64-NEXT: cmpq %rdx, %rcx +; X64-NEXT: jne .LBB15_1 +; X64-NEXT: # BB#2: # %loadbb1 +; X64-NEXT: movl 8(%rdi), %ecx +; X64-NEXT: movl 8(%rsi), %edx +; X64-NEXT: bswapl %ecx +; X64-NEXT: bswapl %edx +; X64-NEXT: xorl %eax, %eax +; X64-NEXT: cmpq %rdx, %rcx +; X64-NEXT: jne .LBB15_1 +; X64-NEXT: # BB#3: # %endblock +; X64-NEXT: retq +; X64-NEXT: .LBB15_1: # %res_block +; X64-NEXT: cmpq %rdx, %rcx +; X64-NEXT: movl $-1, %ecx +; X64-NEXT: movl $1, %eax +; X64-NEXT: cmovbl %ecx, %eax +; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 12) nounwind ret i32 %m } @@ -448,111 +588,165 @@ define i32 @length16(i8* %X, i8* %Y) nounwind { ; X86-LABEL: length16: -; X86: # BB#0: -; X86-NEXT: pushl $0 -; X86-NEXT: pushl $16 -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NEXT: calll memcmp -; X86-NEXT: addl $16, %esp +; X86: # BB#0: # %loadbb +; X86-NEXT: pushl %esi +; X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-NEXT: movl {{[0-9]+}}(%esp), %esi +; X86-NEXT: movl (%esi), %ecx +; X86-NEXT: movl (%eax), %edx +; X86-NEXT: bswapl %ecx +; X86-NEXT: bswapl %edx +; X86-NEXT: cmpl %edx, %ecx +; X86-NEXT: jne .LBB16_1 +; X86-NEXT: # BB#2: # %loadbb1 +; X86-NEXT: movl 4(%esi), %ecx +; X86-NEXT: movl 4(%eax), %edx +; X86-NEXT: bswapl %ecx +; X86-NEXT: bswapl %edx +; X86-NEXT: cmpl %edx, %ecx +; X86-NEXT: jne .LBB16_1 +; X86-NEXT: # BB#3: # %loadbb2 +; X86-NEXT: movl 8(%esi), %ecx +; X86-NEXT: movl 8(%eax), %edx +; X86-NEXT: bswapl %ecx +; X86-NEXT: bswapl %edx +; X86-NEXT: cmpl %edx, %ecx +; X86-NEXT: jne .LBB16_1 +; X86-NEXT: # BB#4: # %loadbb3 +; X86-NEXT: movl 12(%esi), %ecx +; X86-NEXT: movl 12(%eax), %edx +; X86-NEXT: bswapl %ecx +; X86-NEXT: bswapl %edx +; X86-NEXT: xorl %eax, %eax +; X86-NEXT: cmpl %edx, %ecx +; X86-NEXT: jne .LBB16_1 +; X86-NEXT: # BB#5: # %endblock +; X86-NEXT: popl %esi +; X86-NEXT: retl +; X86-NEXT: .LBB16_1: # %res_block +; X86-NEXT: cmpl %edx, %ecx +; X86-NEXT: movl $-1, %ecx +; X86-NEXT: movl $1, %eax +; X86-NEXT: cmovbl %ecx, %eax +; X86-NEXT: popl %esi ; X86-NEXT: retl ; ; X64-LABEL: length16: -; X64: # BB#0: -; X64-NEXT: movl $16, %edx -; X64-NEXT: jmp memcmp # TAILCALL +; X64: # BB#0: # %loadbb +; X64-NEXT: movq (%rdi), %rcx +; X64-NEXT: movq (%rsi), %rdx +; X64-NEXT: bswapq %rcx +; X64-NEXT: bswapq %rdx +; X64-NEXT: cmpq %rdx, %rcx +; X64-NEXT: jne .LBB16_1 +; X64-NEXT: # BB#2: # %loadbb1 +; X64-NEXT: movq 8(%rdi), %rcx +; X64-NEXT: movq 8(%rsi), %rdx +; X64-NEXT: bswapq %rcx +; X64-NEXT: bswapq %rdx +; X64-NEXT: xorl %eax, %eax +; X64-NEXT: cmpq %rdx, %rcx +; X64-NEXT: jne .LBB16_1 +; X64-NEXT: # BB#3: # %endblock +; X64-NEXT: retq +; X64-NEXT: .LBB16_1: # %res_block +; X64-NEXT: cmpq %rdx, %rcx +; X64-NEXT: movl $-1, %ecx +; X64-NEXT: movl $1, %eax +; X64-NEXT: cmovbl %ecx, %eax +; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 16) nounwind ret i32 %m } define i1 @length16_eq(i8* %x, i8* %y) nounwind { -; X86-NOSSE-LABEL: length16_eq: -; X86-NOSSE: # BB#0: -; X86-NOSSE-NEXT: pushl $0 -; X86-NOSSE-NEXT: pushl $16 -; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NOSSE-NEXT: calll memcmp -; X86-NOSSE-NEXT: addl $16, %esp -; X86-NOSSE-NEXT: testl %eax, %eax -; X86-NOSSE-NEXT: setne %al -; X86-NOSSE-NEXT: retl -; -; X86-SSE2-LABEL: length16_eq: -; X86-SSE2: # BB#0: -; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx -; X86-SSE2-NEXT: movdqu (%ecx), %xmm0 -; X86-SSE2-NEXT: movdqu (%eax), %xmm1 -; X86-SSE2-NEXT: pcmpeqb %xmm0, %xmm1 -; X86-SSE2-NEXT: pmovmskb %xmm1, %eax -; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF -; X86-SSE2-NEXT: setne %al -; X86-SSE2-NEXT: retl -; -; X64-SSE2-LABEL: length16_eq: -; X64-SSE2: # BB#0: -; X64-SSE2-NEXT: movdqu (%rsi), %xmm0 -; X64-SSE2-NEXT: movdqu (%rdi), %xmm1 -; X64-SSE2-NEXT: pcmpeqb %xmm0, %xmm1 -; X64-SSE2-NEXT: pmovmskb %xmm1, %eax -; X64-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF -; X64-SSE2-NEXT: setne %al -; X64-SSE2-NEXT: retq -; -; X64-AVX2-LABEL: length16_eq: -; X64-AVX2: # BB#0: -; X64-AVX2-NEXT: vmovdqu (%rdi), %xmm0 -; X64-AVX2-NEXT: vpcmpeqb (%rsi), %xmm0, %xmm0 -; X64-AVX2-NEXT: vpmovmskb %xmm0, %eax -; X64-AVX2-NEXT: cmpl $65535, %eax # imm = 0xFFFF -; X64-AVX2-NEXT: setne %al -; X64-AVX2-NEXT: retq +; X86-LABEL: length16_eq: +; X86: # BB#0: # %loadbb +; X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: movl (%ecx), %edx +; X86-NEXT: cmpl (%eax), %edx +; X86-NEXT: jne .LBB17_1 +; X86-NEXT: # BB#2: # %loadbb1 +; X86-NEXT: movl 4(%ecx), %edx +; X86-NEXT: cmpl 4(%eax), %edx +; X86-NEXT: jne .LBB17_1 +; X86-NEXT: # BB#3: # %loadbb2 +; X86-NEXT: movl 8(%ecx), %edx +; X86-NEXT: cmpl 8(%eax), %edx +; X86-NEXT: jne .LBB17_1 +; X86-NEXT: # BB#4: # %loadbb3 +; X86-NEXT: movl 12(%ecx), %edx +; X86-NEXT: xorl %ecx, %ecx +; X86-NEXT: cmpl 12(%eax), %edx +; X86-NEXT: je .LBB17_5 +; X86-NEXT: .LBB17_1: # %res_block +; X86-NEXT: movl $1, %ecx +; X86-NEXT: .LBB17_5: # %endblock +; X86-NEXT: testl %ecx, %ecx +; X86-NEXT: setne %al +; X86-NEXT: retl +; +; X64-LABEL: length16_eq: +; X64: # BB#0: # %loadbb +; X64-NEXT: movq (%rdi), %rax +; X64-NEXT: cmpq (%rsi), %rax +; X64-NEXT: jne .LBB17_1 +; X64-NEXT: # BB#2: # %loadbb1 +; X64-NEXT: movq 8(%rdi), %rcx +; X64-NEXT: xorl %eax, %eax +; X64-NEXT: cmpq 8(%rsi), %rcx +; X64-NEXT: je .LBB17_3 +; X64-NEXT: .LBB17_1: # %res_block +; X64-NEXT: movl $1, %eax +; X64-NEXT: .LBB17_3: # %endblock +; X64-NEXT: testl %eax, %eax +; X64-NEXT: setne %al +; X64-NEXT: retq %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 16) nounwind %cmp = icmp ne i32 %call, 0 ret i1 %cmp } define i1 @length16_eq_const(i8* %X) nounwind { -; X86-NOSSE-LABEL: length16_eq_const: -; X86-NOSSE: # BB#0: -; X86-NOSSE-NEXT: pushl $0 -; X86-NOSSE-NEXT: pushl $16 -; X86-NOSSE-NEXT: pushl $.L.str -; X86-NOSSE-NEXT: pushl {{[0-9]+}}(%esp) -; X86-NOSSE-NEXT: calll memcmp -; X86-NOSSE-NEXT: addl $16, %esp -; X86-NOSSE-NEXT: testl %eax, %eax -; X86-NOSSE-NEXT: sete %al -; X86-NOSSE-NEXT: retl -; -; X86-SSE2-LABEL: length16_eq_const: -; X86-SSE2: # BB#0: -; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax -; X86-SSE2-NEXT: movdqu (%eax), %xmm0 -; X86-SSE2-NEXT: pcmpeqb {{\.LCPI.*}}, %xmm0 -; X86-SSE2-NEXT: pmovmskb %xmm0, %eax -; X86-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF -; X86-SSE2-NEXT: sete %al -; X86-SSE2-NEXT: retl -; -; X64-SSE2-LABEL: length16_eq_const: -; X64-SSE2: # BB#0: -; X64-SSE2-NEXT: movdqu (%rdi), %xmm0 -; X64-SSE2-NEXT: pcmpeqb {{.*}}(%rip), %xmm0 -; X64-SSE2-NEXT: pmovmskb %xmm0, %eax -; X64-SSE2-NEXT: cmpl $65535, %eax # imm = 0xFFFF -; X64-SSE2-NEXT: sete %al -; X64-SSE2-NEXT: retq -; -; X64-AVX2-LABEL: length16_eq_const: -; X64-AVX2: # BB#0: -; X64-AVX2-NEXT: vmovdqu (%rdi), %xmm0 -; X64-AVX2-NEXT: vpcmpeqb {{.*}}(%rip), %xmm0, %xmm0 -; X64-AVX2-NEXT: vpmovmskb %xmm0, %eax -; X64-AVX2-NEXT: cmpl $65535, %eax # imm = 0xFFFF -; X64-AVX2-NEXT: sete %al -; X64-AVX2-NEXT: retq +; X86-LABEL: length16_eq_const: +; X86: # BB#0: # %loadbb +; X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-NEXT: cmpl $858927408, (%eax) # imm = 0x33323130 +; X86-NEXT: jne .LBB18_1 +; X86-NEXT: # BB#2: # %loadbb1 +; X86-NEXT: cmpl $926299444, 4(%eax) # imm = 0x37363534 +; X86-NEXT: jne .LBB18_1 +; X86-NEXT: # BB#3: # %loadbb2 +; X86-NEXT: cmpl $825243960, 8(%eax) # imm = 0x31303938 +; X86-NEXT: jne .LBB18_1 +; X86-NEXT: # BB#4: # %loadbb3 +; X86-NEXT: xorl %ecx, %ecx +; X86-NEXT: cmpl $892613426, 12(%eax) # imm = 0x35343332 +; X86-NEXT: je .LBB18_5 +; X86-NEXT: .LBB18_1: # %res_block +; X86-NEXT: movl $1, %ecx +; X86-NEXT: .LBB18_5: # %endblock +; X86-NEXT: testl %ecx, %ecx +; X86-NEXT: sete %al +; X86-NEXT: retl +; +; X64-LABEL: length16_eq_const: +; X64: # BB#0: # %loadbb +; X64-NEXT: movabsq $3978425819141910832, %rax # imm = 0x3736353433323130 +; X64-NEXT: cmpq %rax, (%rdi) +; X64-NEXT: jne .LBB18_1 +; X64-NEXT: # BB#2: # %loadbb1 +; X64-NEXT: xorl %eax, %eax +; X64-NEXT: movabsq $3833745473465760056, %rcx # imm = 0x3534333231303938 +; X64-NEXT: cmpq %rcx, 8(%rdi) +; X64-NEXT: je .LBB18_3 +; X64-NEXT: .LBB18_1: # %res_block +; X64-NEXT: movl $1, %eax +; X64-NEXT: .LBB18_3: # %endblock +; X64-NEXT: testl %eax, %eax +; X64-NEXT: sete %al +; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i64 16) nounwind %c = icmp eq i32 %m, 0 ret i1 %c @@ -570,9 +764,43 @@ ; X86-NEXT: retl ; ; X64-LABEL: length32: -; X64: # BB#0: -; X64-NEXT: movl $32, %edx -; X64-NEXT: jmp memcmp # TAILCALL +; X64: # BB#0: # %loadbb +; X64-NEXT: movq (%rdi), %rcx +; X64-NEXT: movq (%rsi), %rdx +; X64-NEXT: bswapq %rcx +; X64-NEXT: bswapq %rdx +; X64-NEXT: cmpq %rdx, %rcx +; X64-NEXT: jne .LBB19_1 +; X64-NEXT: # BB#2: # %loadbb1 +; X64-NEXT: movq 8(%rdi), %rcx +; X64-NEXT: movq 8(%rsi), %rdx +; X64-NEXT: bswapq %rcx +; X64-NEXT: bswapq %rdx +; X64-NEXT: cmpq %rdx, %rcx +; X64-NEXT: jne .LBB19_1 +; X64-NEXT: # BB#3: # %loadbb2 +; X64-NEXT: movq 16(%rdi), %rcx +; X64-NEXT: movq 16(%rsi), %rdx +; X64-NEXT: bswapq %rcx +; X64-NEXT: bswapq %rdx +; X64-NEXT: cmpq %rdx, %rcx +; X64-NEXT: jne .LBB19_1 +; X64-NEXT: # BB#4: # %loadbb3 +; X64-NEXT: movq 24(%rdi), %rcx +; X64-NEXT: movq 24(%rsi), %rdx +; X64-NEXT: bswapq %rcx +; X64-NEXT: bswapq %rdx +; X64-NEXT: xorl %eax, %eax +; X64-NEXT: cmpq %rdx, %rcx +; X64-NEXT: jne .LBB19_1 +; X64-NEXT: # BB#5: # %endblock +; X64-NEXT: retq +; X64-NEXT: .LBB19_1: # %res_block +; X64-NEXT: cmpq %rdx, %rcx +; X64-NEXT: movl $-1, %ecx +; X64-NEXT: movl $1, %eax +; X64-NEXT: cmovbl %ecx, %eax +; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* %Y, i64 32) nounwind ret i32 %m } @@ -592,25 +820,30 @@ ; X86-NEXT: sete %al ; X86-NEXT: retl ; -; X64-SSE2-LABEL: length32_eq: -; X64-SSE2: # BB#0: -; X64-SSE2-NEXT: pushq %rax -; X64-SSE2-NEXT: movl $32, %edx -; X64-SSE2-NEXT: callq memcmp -; X64-SSE2-NEXT: testl %eax, %eax -; X64-SSE2-NEXT: sete %al -; X64-SSE2-NEXT: popq %rcx -; X64-SSE2-NEXT: retq -; -; X64-AVX2-LABEL: length32_eq: -; X64-AVX2: # BB#0: -; X64-AVX2-NEXT: vmovdqu (%rdi), %ymm0 -; X64-AVX2-NEXT: vpcmpeqb (%rsi), %ymm0, %ymm0 -; X64-AVX2-NEXT: vpmovmskb %ymm0, %eax -; X64-AVX2-NEXT: cmpl $-1, %eax -; X64-AVX2-NEXT: sete %al -; X64-AVX2-NEXT: vzeroupper -; X64-AVX2-NEXT: retq +; X64-LABEL: length32_eq: +; X64: # BB#0: # %loadbb +; X64-NEXT: movq (%rdi), %rax +; X64-NEXT: cmpq (%rsi), %rax +; X64-NEXT: jne .LBB20_1 +; X64-NEXT: # BB#2: # %loadbb1 +; X64-NEXT: movq 8(%rdi), %rax +; X64-NEXT: cmpq 8(%rsi), %rax +; X64-NEXT: jne .LBB20_1 +; X64-NEXT: # BB#3: # %loadbb2 +; X64-NEXT: movq 16(%rdi), %rax +; X64-NEXT: cmpq 16(%rsi), %rax +; X64-NEXT: jne .LBB20_1 +; X64-NEXT: # BB#4: # %loadbb3 +; X64-NEXT: movq 24(%rdi), %rcx +; X64-NEXT: xorl %eax, %eax +; X64-NEXT: cmpq 24(%rsi), %rcx +; X64-NEXT: je .LBB20_5 +; X64-NEXT: .LBB20_1: # %res_block +; X64-NEXT: movl $1, %eax +; X64-NEXT: .LBB20_5: # %endblock +; X64-NEXT: testl %eax, %eax +; X64-NEXT: sete %al +; X64-NEXT: retq %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 32) nounwind %cmp = icmp eq i32 %call, 0 ret i1 %cmp @@ -629,26 +862,30 @@ ; X86-NEXT: setne %al ; X86-NEXT: retl ; -; X64-SSE2-LABEL: length32_eq_const: -; X64-SSE2: # BB#0: -; X64-SSE2-NEXT: pushq %rax -; X64-SSE2-NEXT: movl $.L.str, %esi -; X64-SSE2-NEXT: movl $32, %edx -; X64-SSE2-NEXT: callq memcmp -; X64-SSE2-NEXT: testl %eax, %eax -; X64-SSE2-NEXT: setne %al -; X64-SSE2-NEXT: popq %rcx -; X64-SSE2-NEXT: retq -; -; X64-AVX2-LABEL: length32_eq_const: -; X64-AVX2: # BB#0: -; X64-AVX2-NEXT: vmovdqu (%rdi), %ymm0 -; X64-AVX2-NEXT: vpcmpeqb {{.*}}(%rip), %ymm0, %ymm0 -; X64-AVX2-NEXT: vpmovmskb %ymm0, %eax -; X64-AVX2-NEXT: cmpl $-1, %eax -; X64-AVX2-NEXT: setne %al -; X64-AVX2-NEXT: vzeroupper -; X64-AVX2-NEXT: retq +; X64-LABEL: length32_eq_const: +; X64: # BB#0: # %loadbb +; X64-NEXT: movabsq $3978425819141910832, %rax # imm = 0x3736353433323130 +; X64-NEXT: cmpq %rax, (%rdi) +; X64-NEXT: jne .LBB21_1 +; X64-NEXT: # BB#2: # %loadbb1 +; X64-NEXT: movabsq $3833745473465760056, %rax # imm = 0x3534333231303938 +; X64-NEXT: cmpq %rax, 8(%rdi) +; X64-NEXT: jne .LBB21_1 +; X64-NEXT: # BB#3: # %loadbb2 +; X64-NEXT: movabsq $3689065127958034230, %rax # imm = 0x3332313039383736 +; X64-NEXT: cmpq %rax, 16(%rdi) +; X64-NEXT: jne .LBB21_1 +; X64-NEXT: # BB#4: # %loadbb3 +; X64-NEXT: xorl %eax, %eax +; X64-NEXT: movabsq $3544395820347831604, %rcx # imm = 0x3130393837363534 +; X64-NEXT: cmpq %rcx, 24(%rdi) +; X64-NEXT: je .LBB21_5 +; X64-NEXT: .LBB21_1: # %res_block +; X64-NEXT: movl $1, %eax +; X64-NEXT: .LBB21_5: # %endblock +; X64-NEXT: testl %eax, %eax +; X64-NEXT: setne %al +; X64-NEXT: retq %m = tail call i32 @memcmp(i8* %X, i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str, i32 0, i32 0), i64 32) nounwind %c = icmp ne i32 %m, 0 ret i1 %c Index: test/Transforms/CodeGenPrepare/X86/memcmp.ll =================================================================== --- test/Transforms/CodeGenPrepare/X86/memcmp.ll +++ test/Transforms/CodeGenPrepare/X86/memcmp.ll @@ -23,9 +23,63 @@ } define i32 @cmp3(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp3( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 3) -; ALL-NEXT: ret i32 [[CALL]] +; X32-LABEL: @cmp3( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i16* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i16* +; X32-NEXT: [[TMP2:%.*]] = load i16, i16* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i16, i16* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP2]]) +; X32-NEXT: [[TMP5:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP3]]) +; X32-NEXT: [[TMP6:%.*]] = zext i16 [[TMP4]] to i32 +; X32-NEXT: [[TMP7:%.*]] = zext i16 [[TMP5]] to i32 +; X32-NEXT: [[TMP8:%.*]] = icmp eq i32 [[TMP6]], [[TMP7]] +; X32-NEXT: br i1 [[TMP8]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X32: res_block: +; X32-NEXT: [[TMP9:%.*]] = icmp ult i32 [[TMP6]], [[TMP7]] +; X32-NEXT: [[TMP10:%.*]] = select i1 [[TMP9]], i32 -1, i32 1 +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[X]], i8 2 +; X32-NEXT: [[TMP12:%.*]] = getelementptr i8, i8* [[Y]], i8 2 +; X32-NEXT: [[TMP13:%.*]] = load i8, i8* [[TMP11]] +; X32-NEXT: [[TMP14:%.*]] = load i8, i8* [[TMP12]] +; X32-NEXT: [[TMP15:%.*]] = zext i8 [[TMP13]] to i32 +; X32-NEXT: [[TMP16:%.*]] = zext i8 [[TMP14]] to i32 +; X32-NEXT: [[TMP17:%.*]] = sub i32 [[TMP15]], [[TMP16]] +; X32-NEXT: br label [[ENDBLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP17]], [[LOADBB1]] ], [ [[TMP10]], [[RES_BLOCK]] ] +; X32-NEXT: ret i32 [[PHI_RES]] +; +; X64-LABEL: @cmp3( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i16* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i16* +; X64-NEXT: [[TMP2:%.*]] = load i16, i16* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i16, i16* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP2]]) +; X64-NEXT: [[TMP5:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP3]]) +; X64-NEXT: [[TMP6:%.*]] = zext i16 [[TMP4]] to i64 +; X64-NEXT: [[TMP7:%.*]] = zext i16 [[TMP5]] to i64 +; X64-NEXT: [[TMP8:%.*]] = icmp eq i64 [[TMP6]], [[TMP7]] +; X64-NEXT: br i1 [[TMP8]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X64: res_block: +; X64-NEXT: [[TMP9:%.*]] = icmp ult i64 [[TMP6]], [[TMP7]] +; X64-NEXT: [[TMP10:%.*]] = select i1 [[TMP9]], i32 -1, i32 1 +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[X]], i8 2 +; X64-NEXT: [[TMP12:%.*]] = getelementptr i8, i8* [[Y]], i8 2 +; X64-NEXT: [[TMP13:%.*]] = load i8, i8* [[TMP11]] +; X64-NEXT: [[TMP14:%.*]] = load i8, i8* [[TMP12]] +; X64-NEXT: [[TMP15:%.*]] = zext i8 [[TMP13]] to i32 +; X64-NEXT: [[TMP16:%.*]] = zext i8 [[TMP14]] to i32 +; X64-NEXT: [[TMP17:%.*]] = sub i32 [[TMP15]], [[TMP16]] +; X64-NEXT: br label [[ENDBLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP17]], [[LOADBB1]] ], [ [[TMP10]], [[RES_BLOCK]] ] +; X64-NEXT: ret i32 [[PHI_RES]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 3) ret i32 %call @@ -50,27 +104,225 @@ } define i32 @cmp5(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp5( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 5) -; ALL-NEXT: ret i32 [[CALL]] +; X32-LABEL: @cmp5( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]]) +; X32-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]]) +; X32-NEXT: [[TMP6:%.*]] = icmp eq i32 [[TMP4]], [[TMP5]] +; X32-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X32: res_block: +; X32-NEXT: [[TMP7:%.*]] = icmp ult i32 [[TMP4]], [[TMP5]] +; X32-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP9:%.*]] = getelementptr i8, i8* [[X]], i8 4 +; X32-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[Y]], i8 4 +; X32-NEXT: [[TMP11:%.*]] = load i8, i8* [[TMP9]] +; X32-NEXT: [[TMP12:%.*]] = load i8, i8* [[TMP10]] +; X32-NEXT: [[TMP13:%.*]] = zext i8 [[TMP11]] to i32 +; X32-NEXT: [[TMP14:%.*]] = zext i8 [[TMP12]] to i32 +; X32-NEXT: [[TMP15:%.*]] = sub i32 [[TMP13]], [[TMP14]] +; X32-NEXT: br label [[ENDBLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP15]], [[LOADBB1]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X32-NEXT: ret i32 [[PHI_RES]] +; +; X64-LABEL: @cmp5( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X64-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]]) +; X64-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]]) +; X64-NEXT: [[TMP6:%.*]] = zext i32 [[TMP4]] to i64 +; X64-NEXT: [[TMP7:%.*]] = zext i32 [[TMP5]] to i64 +; X64-NEXT: [[TMP8:%.*]] = icmp eq i64 [[TMP6]], [[TMP7]] +; X64-NEXT: br i1 [[TMP8]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X64: res_block: +; X64-NEXT: [[TMP9:%.*]] = icmp ult i64 [[TMP6]], [[TMP7]] +; X64-NEXT: [[TMP10:%.*]] = select i1 [[TMP9]], i32 -1, i32 1 +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[X]], i8 4 +; X64-NEXT: [[TMP12:%.*]] = getelementptr i8, i8* [[Y]], i8 4 +; X64-NEXT: [[TMP13:%.*]] = load i8, i8* [[TMP11]] +; X64-NEXT: [[TMP14:%.*]] = load i8, i8* [[TMP12]] +; X64-NEXT: [[TMP15:%.*]] = zext i8 [[TMP13]] to i32 +; X64-NEXT: [[TMP16:%.*]] = zext i8 [[TMP14]] to i32 +; X64-NEXT: [[TMP17:%.*]] = sub i32 [[TMP15]], [[TMP16]] +; X64-NEXT: br label [[ENDBLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP17]], [[LOADBB1]] ], [ [[TMP10]], [[RES_BLOCK]] ] +; X64-NEXT: ret i32 [[PHI_RES]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 5) ret i32 %call } define i32 @cmp6(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp6( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 6) -; ALL-NEXT: ret i32 [[CALL]] +; X32-LABEL: @cmp6( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]]) +; X32-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]]) +; X32-NEXT: [[TMP6:%.*]] = icmp eq i32 [[TMP4]], [[TMP5]] +; X32-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X32: res_block: +; X32-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP17:%.*]], [[LOADBB1]] ] +; X32-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP5]], [[LOADBB]] ], [ [[TMP18:%.*]], [[LOADBB1]] ] +; X32-NEXT: [[TMP7:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]] +; X32-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[X]] to i16* +; X32-NEXT: [[TMP10:%.*]] = bitcast i8* [[Y]] to i16* +; X32-NEXT: [[TMP11:%.*]] = getelementptr i16, i16* [[TMP9]], i16 2 +; X32-NEXT: [[TMP12:%.*]] = getelementptr i16, i16* [[TMP10]], i16 2 +; X32-NEXT: [[TMP13:%.*]] = load i16, i16* [[TMP11]] +; X32-NEXT: [[TMP14:%.*]] = load i16, i16* [[TMP12]] +; X32-NEXT: [[TMP15:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP13]]) +; X32-NEXT: [[TMP16:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP14]]) +; X32-NEXT: [[TMP17]] = zext i16 [[TMP15]] to i32 +; X32-NEXT: [[TMP18]] = zext i16 [[TMP16]] to i32 +; X32-NEXT: [[TMP19:%.*]] = icmp eq i32 [[TMP17]], [[TMP18]] +; X32-NEXT: br i1 [[TMP19]], label [[ENDBLOCK]], label [[RES_BLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X32-NEXT: ret i32 [[PHI_RES]] +; +; X64-LABEL: @cmp6( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X64-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]]) +; X64-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]]) +; X64-NEXT: [[TMP6:%.*]] = zext i32 [[TMP4]] to i64 +; X64-NEXT: [[TMP7:%.*]] = zext i32 [[TMP5]] to i64 +; X64-NEXT: [[TMP8:%.*]] = icmp eq i64 [[TMP6]], [[TMP7]] +; X64-NEXT: br i1 [[TMP8]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X64: res_block: +; X64-NEXT: [[PHI_SRC1:%.*]] = phi i64 [ [[TMP6]], [[LOADBB:%.*]] ], [ [[TMP19:%.*]], [[LOADBB1]] ] +; X64-NEXT: [[PHI_SRC2:%.*]] = phi i64 [ [[TMP7]], [[LOADBB]] ], [ [[TMP20:%.*]], [[LOADBB1]] ] +; X64-NEXT: [[TMP9:%.*]] = icmp ult i64 [[PHI_SRC1]], [[PHI_SRC2]] +; X64-NEXT: [[TMP10:%.*]] = select i1 [[TMP9]], i32 -1, i32 1 +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP11:%.*]] = bitcast i8* [[X]] to i16* +; X64-NEXT: [[TMP12:%.*]] = bitcast i8* [[Y]] to i16* +; X64-NEXT: [[TMP13:%.*]] = getelementptr i16, i16* [[TMP11]], i16 2 +; X64-NEXT: [[TMP14:%.*]] = getelementptr i16, i16* [[TMP12]], i16 2 +; X64-NEXT: [[TMP15:%.*]] = load i16, i16* [[TMP13]] +; X64-NEXT: [[TMP16:%.*]] = load i16, i16* [[TMP14]] +; X64-NEXT: [[TMP17:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP15]]) +; X64-NEXT: [[TMP18:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP16]]) +; X64-NEXT: [[TMP19]] = zext i16 [[TMP17]] to i64 +; X64-NEXT: [[TMP20]] = zext i16 [[TMP18]] to i64 +; X64-NEXT: [[TMP21:%.*]] = icmp eq i64 [[TMP19]], [[TMP20]] +; X64-NEXT: br i1 [[TMP21]], label [[ENDBLOCK]], label [[RES_BLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP10]], [[RES_BLOCK]] ] +; X64-NEXT: ret i32 [[PHI_RES]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 6) ret i32 %call } define i32 @cmp7(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp7( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 7) -; ALL-NEXT: ret i32 [[CALL]] +; X32-LABEL: @cmp7( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]]) +; X32-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]]) +; X32-NEXT: [[TMP6:%.*]] = icmp eq i32 [[TMP4]], [[TMP5]] +; X32-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X32: res_block: +; X32-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP17:%.*]], [[LOADBB1]] ] +; X32-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP5]], [[LOADBB]] ], [ [[TMP18:%.*]], [[LOADBB1]] ] +; X32-NEXT: [[TMP7:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]] +; X32-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[X]] to i16* +; X32-NEXT: [[TMP10:%.*]] = bitcast i8* [[Y]] to i16* +; X32-NEXT: [[TMP11:%.*]] = getelementptr i16, i16* [[TMP9]], i16 2 +; X32-NEXT: [[TMP12:%.*]] = getelementptr i16, i16* [[TMP10]], i16 2 +; X32-NEXT: [[TMP13:%.*]] = load i16, i16* [[TMP11]] +; X32-NEXT: [[TMP14:%.*]] = load i16, i16* [[TMP12]] +; X32-NEXT: [[TMP15:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP13]]) +; X32-NEXT: [[TMP16:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP14]]) +; X32-NEXT: [[TMP17]] = zext i16 [[TMP15]] to i32 +; X32-NEXT: [[TMP18]] = zext i16 [[TMP16]] to i32 +; X32-NEXT: [[TMP19:%.*]] = icmp eq i32 [[TMP17]], [[TMP18]] +; X32-NEXT: br i1 [[TMP19]], label [[LOADBB2:%.*]], label [[RES_BLOCK]] +; X32: loadbb2: +; X32-NEXT: [[TMP20:%.*]] = getelementptr i8, i8* [[X]], i8 6 +; X32-NEXT: [[TMP21:%.*]] = getelementptr i8, i8* [[Y]], i8 6 +; X32-NEXT: [[TMP22:%.*]] = load i8, i8* [[TMP20]] +; X32-NEXT: [[TMP23:%.*]] = load i8, i8* [[TMP21]] +; X32-NEXT: [[TMP24:%.*]] = zext i8 [[TMP22]] to i32 +; X32-NEXT: [[TMP25:%.*]] = zext i8 [[TMP23]] to i32 +; X32-NEXT: [[TMP26:%.*]] = sub i32 [[TMP24]], [[TMP25]] +; X32-NEXT: br label [[ENDBLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP26]], [[LOADBB2]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X32-NEXT: ret i32 [[PHI_RES]] +; +; X64-LABEL: @cmp7( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X64-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]]) +; X64-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]]) +; X64-NEXT: [[TMP6:%.*]] = zext i32 [[TMP4]] to i64 +; X64-NEXT: [[TMP7:%.*]] = zext i32 [[TMP5]] to i64 +; X64-NEXT: [[TMP8:%.*]] = icmp eq i64 [[TMP6]], [[TMP7]] +; X64-NEXT: br i1 [[TMP8]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X64: res_block: +; X64-NEXT: [[PHI_SRC1:%.*]] = phi i64 [ [[TMP6]], [[LOADBB:%.*]] ], [ [[TMP19:%.*]], [[LOADBB1]] ] +; X64-NEXT: [[PHI_SRC2:%.*]] = phi i64 [ [[TMP7]], [[LOADBB]] ], [ [[TMP20:%.*]], [[LOADBB1]] ] +; X64-NEXT: [[TMP9:%.*]] = icmp ult i64 [[PHI_SRC1]], [[PHI_SRC2]] +; X64-NEXT: [[TMP10:%.*]] = select i1 [[TMP9]], i32 -1, i32 1 +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP11:%.*]] = bitcast i8* [[X]] to i16* +; X64-NEXT: [[TMP12:%.*]] = bitcast i8* [[Y]] to i16* +; X64-NEXT: [[TMP13:%.*]] = getelementptr i16, i16* [[TMP11]], i16 2 +; X64-NEXT: [[TMP14:%.*]] = getelementptr i16, i16* [[TMP12]], i16 2 +; X64-NEXT: [[TMP15:%.*]] = load i16, i16* [[TMP13]] +; X64-NEXT: [[TMP16:%.*]] = load i16, i16* [[TMP14]] +; X64-NEXT: [[TMP17:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP15]]) +; X64-NEXT: [[TMP18:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP16]]) +; X64-NEXT: [[TMP19]] = zext i16 [[TMP17]] to i64 +; X64-NEXT: [[TMP20]] = zext i16 [[TMP18]] to i64 +; X64-NEXT: [[TMP21:%.*]] = icmp eq i64 [[TMP19]], [[TMP20]] +; X64-NEXT: br i1 [[TMP21]], label [[LOADBB2:%.*]], label [[RES_BLOCK]] +; X64: loadbb2: +; X64-NEXT: [[TMP22:%.*]] = getelementptr i8, i8* [[X]], i8 6 +; X64-NEXT: [[TMP23:%.*]] = getelementptr i8, i8* [[Y]], i8 6 +; X64-NEXT: [[TMP24:%.*]] = load i8, i8* [[TMP22]] +; X64-NEXT: [[TMP25:%.*]] = load i8, i8* [[TMP23]] +; X64-NEXT: [[TMP26:%.*]] = zext i8 [[TMP24]] to i32 +; X64-NEXT: [[TMP27:%.*]] = zext i8 [[TMP25]] to i32 +; X64-NEXT: [[TMP28:%.*]] = sub i32 [[TMP26]], [[TMP27]] +; X64-NEXT: br label [[ENDBLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP28]], [[LOADBB2]] ], [ [[TMP10]], [[RES_BLOCK]] ] +; X64-NEXT: ret i32 [[PHI_RES]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 7) ret i32 %call @@ -78,8 +330,35 @@ define i32 @cmp8(i8* nocapture readonly %x, i8* nocapture readonly %y) { ; X32-LABEL: @cmp8( -; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 8) -; X32-NEXT: ret i32 [[CALL]] +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]]) +; X32-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]]) +; X32-NEXT: [[TMP6:%.*]] = icmp eq i32 [[TMP4]], [[TMP5]] +; X32-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X32: res_block: +; X32-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP15:%.*]], [[LOADBB1]] ] +; X32-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP5]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1]] ] +; X32-NEXT: [[TMP7:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]] +; X32-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP10:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP11:%.*]] = getelementptr i32, i32* [[TMP9]], i32 1 +; X32-NEXT: [[TMP12:%.*]] = getelementptr i32, i32* [[TMP10]], i32 1 +; X32-NEXT: [[TMP13:%.*]] = load i32, i32* [[TMP11]] +; X32-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]] +; X32-NEXT: [[TMP15]] = call i32 @llvm.bswap.i32(i32 [[TMP13]]) +; X32-NEXT: [[TMP16]] = call i32 @llvm.bswap.i32(i32 [[TMP14]]) +; X32-NEXT: [[TMP17:%.*]] = icmp eq i32 [[TMP15]], [[TMP16]] +; X32-NEXT: br i1 [[TMP17]], label [[ENDBLOCK]], label [[RES_BLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X32-NEXT: ret i32 [[PHI_RES]] ; ; X64-LABEL: @cmp8( ; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i64* @@ -99,72 +378,691 @@ } define i32 @cmp9(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp9( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 9) -; ALL-NEXT: ret i32 [[CALL]] +; X32-LABEL: @cmp9( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]]) +; X32-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]]) +; X32-NEXT: [[TMP6:%.*]] = icmp eq i32 [[TMP4]], [[TMP5]] +; X32-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X32: res_block: +; X32-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP15:%.*]], [[LOADBB1]] ] +; X32-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP5]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1]] ] +; X32-NEXT: [[TMP7:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]] +; X32-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP10:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP11:%.*]] = getelementptr i32, i32* [[TMP9]], i32 1 +; X32-NEXT: [[TMP12:%.*]] = getelementptr i32, i32* [[TMP10]], i32 1 +; X32-NEXT: [[TMP13:%.*]] = load i32, i32* [[TMP11]] +; X32-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]] +; X32-NEXT: [[TMP15]] = call i32 @llvm.bswap.i32(i32 [[TMP13]]) +; X32-NEXT: [[TMP16]] = call i32 @llvm.bswap.i32(i32 [[TMP14]]) +; X32-NEXT: [[TMP17:%.*]] = icmp eq i32 [[TMP15]], [[TMP16]] +; X32-NEXT: br i1 [[TMP17]], label [[LOADBB2:%.*]], label [[RES_BLOCK]] +; X32: loadbb2: +; X32-NEXT: [[TMP18:%.*]] = getelementptr i8, i8* [[X]], i8 8 +; X32-NEXT: [[TMP19:%.*]] = getelementptr i8, i8* [[Y]], i8 8 +; X32-NEXT: [[TMP20:%.*]] = load i8, i8* [[TMP18]] +; X32-NEXT: [[TMP21:%.*]] = load i8, i8* [[TMP19]] +; X32-NEXT: [[TMP22:%.*]] = zext i8 [[TMP20]] to i32 +; X32-NEXT: [[TMP23:%.*]] = zext i8 [[TMP21]] to i32 +; X32-NEXT: [[TMP24:%.*]] = sub i32 [[TMP22]], [[TMP23]] +; X32-NEXT: br label [[ENDBLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP24]], [[LOADBB2]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X32-NEXT: ret i32 [[PHI_RES]] +; +; X64-LABEL: @cmp9( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64* +; X64-NEXT: [[TMP2:%.*]] = load i64, i64* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP2]]) +; X64-NEXT: [[TMP5:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP3]]) +; X64-NEXT: [[TMP6:%.*]] = icmp eq i64 [[TMP4]], [[TMP5]] +; X64-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X64: res_block: +; X64-NEXT: [[TMP7:%.*]] = icmp ult i64 [[TMP4]], [[TMP5]] +; X64-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP9:%.*]] = getelementptr i8, i8* [[X]], i8 8 +; X64-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[Y]], i8 8 +; X64-NEXT: [[TMP11:%.*]] = load i8, i8* [[TMP9]] +; X64-NEXT: [[TMP12:%.*]] = load i8, i8* [[TMP10]] +; X64-NEXT: [[TMP13:%.*]] = zext i8 [[TMP11]] to i32 +; X64-NEXT: [[TMP14:%.*]] = zext i8 [[TMP12]] to i32 +; X64-NEXT: [[TMP15:%.*]] = sub i32 [[TMP13]], [[TMP14]] +; X64-NEXT: br label [[ENDBLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP15]], [[LOADBB1]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X64-NEXT: ret i32 [[PHI_RES]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 9) ret i32 %call } define i32 @cmp10(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp10( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 10) -; ALL-NEXT: ret i32 [[CALL]] +; X32-LABEL: @cmp10( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]]) +; X32-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]]) +; X32-NEXT: [[TMP6:%.*]] = icmp eq i32 [[TMP4]], [[TMP5]] +; X32-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X32: res_block: +; X32-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP15:%.*]], [[LOADBB1]] ], [ [[TMP26:%.*]], [[LOADBB2:%.*]] ] +; X32-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP5]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1]] ], [ [[TMP27:%.*]], [[LOADBB2]] ] +; X32-NEXT: [[TMP7:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]] +; X32-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP10:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP11:%.*]] = getelementptr i32, i32* [[TMP9]], i32 1 +; X32-NEXT: [[TMP12:%.*]] = getelementptr i32, i32* [[TMP10]], i32 1 +; X32-NEXT: [[TMP13:%.*]] = load i32, i32* [[TMP11]] +; X32-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]] +; X32-NEXT: [[TMP15]] = call i32 @llvm.bswap.i32(i32 [[TMP13]]) +; X32-NEXT: [[TMP16]] = call i32 @llvm.bswap.i32(i32 [[TMP14]]) +; X32-NEXT: [[TMP17:%.*]] = icmp eq i32 [[TMP15]], [[TMP16]] +; X32-NEXT: br i1 [[TMP17]], label [[LOADBB2]], label [[RES_BLOCK]] +; X32: loadbb2: +; X32-NEXT: [[TMP18:%.*]] = bitcast i8* [[X]] to i16* +; X32-NEXT: [[TMP19:%.*]] = bitcast i8* [[Y]] to i16* +; X32-NEXT: [[TMP20:%.*]] = getelementptr i16, i16* [[TMP18]], i16 4 +; X32-NEXT: [[TMP21:%.*]] = getelementptr i16, i16* [[TMP19]], i16 4 +; X32-NEXT: [[TMP22:%.*]] = load i16, i16* [[TMP20]] +; X32-NEXT: [[TMP23:%.*]] = load i16, i16* [[TMP21]] +; X32-NEXT: [[TMP24:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP22]]) +; X32-NEXT: [[TMP25:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP23]]) +; X32-NEXT: [[TMP26]] = zext i16 [[TMP24]] to i32 +; X32-NEXT: [[TMP27]] = zext i16 [[TMP25]] to i32 +; X32-NEXT: [[TMP28:%.*]] = icmp eq i32 [[TMP26]], [[TMP27]] +; X32-NEXT: br i1 [[TMP28]], label [[ENDBLOCK]], label [[RES_BLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB2]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X32-NEXT: ret i32 [[PHI_RES]] +; +; X64-LABEL: @cmp10( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64* +; X64-NEXT: [[TMP2:%.*]] = load i64, i64* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP2]]) +; X64-NEXT: [[TMP5:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP3]]) +; X64-NEXT: [[TMP6:%.*]] = icmp eq i64 [[TMP4]], [[TMP5]] +; X64-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X64: res_block: +; X64-NEXT: [[PHI_SRC1:%.*]] = phi i64 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP17:%.*]], [[LOADBB1]] ] +; X64-NEXT: [[PHI_SRC2:%.*]] = phi i64 [ [[TMP5]], [[LOADBB]] ], [ [[TMP18:%.*]], [[LOADBB1]] ] +; X64-NEXT: [[TMP7:%.*]] = icmp ult i64 [[PHI_SRC1]], [[PHI_SRC2]] +; X64-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP9:%.*]] = bitcast i8* [[X]] to i16* +; X64-NEXT: [[TMP10:%.*]] = bitcast i8* [[Y]] to i16* +; X64-NEXT: [[TMP11:%.*]] = getelementptr i16, i16* [[TMP9]], i16 4 +; X64-NEXT: [[TMP12:%.*]] = getelementptr i16, i16* [[TMP10]], i16 4 +; X64-NEXT: [[TMP13:%.*]] = load i16, i16* [[TMP11]] +; X64-NEXT: [[TMP14:%.*]] = load i16, i16* [[TMP12]] +; X64-NEXT: [[TMP15:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP13]]) +; X64-NEXT: [[TMP16:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP14]]) +; X64-NEXT: [[TMP17]] = zext i16 [[TMP15]] to i64 +; X64-NEXT: [[TMP18]] = zext i16 [[TMP16]] to i64 +; X64-NEXT: [[TMP19:%.*]] = icmp eq i64 [[TMP17]], [[TMP18]] +; X64-NEXT: br i1 [[TMP19]], label [[ENDBLOCK]], label [[RES_BLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X64-NEXT: ret i32 [[PHI_RES]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 10) ret i32 %call } define i32 @cmp11(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp11( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 11) -; ALL-NEXT: ret i32 [[CALL]] +; X32-LABEL: @cmp11( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]]) +; X32-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]]) +; X32-NEXT: [[TMP6:%.*]] = icmp eq i32 [[TMP4]], [[TMP5]] +; X32-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X32: res_block: +; X32-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP15:%.*]], [[LOADBB1]] ], [ [[TMP26:%.*]], [[LOADBB2:%.*]] ] +; X32-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP5]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1]] ], [ [[TMP27:%.*]], [[LOADBB2]] ] +; X32-NEXT: [[TMP7:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]] +; X32-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP10:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP11:%.*]] = getelementptr i32, i32* [[TMP9]], i32 1 +; X32-NEXT: [[TMP12:%.*]] = getelementptr i32, i32* [[TMP10]], i32 1 +; X32-NEXT: [[TMP13:%.*]] = load i32, i32* [[TMP11]] +; X32-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]] +; X32-NEXT: [[TMP15]] = call i32 @llvm.bswap.i32(i32 [[TMP13]]) +; X32-NEXT: [[TMP16]] = call i32 @llvm.bswap.i32(i32 [[TMP14]]) +; X32-NEXT: [[TMP17:%.*]] = icmp eq i32 [[TMP15]], [[TMP16]] +; X32-NEXT: br i1 [[TMP17]], label [[LOADBB2]], label [[RES_BLOCK]] +; X32: loadbb2: +; X32-NEXT: [[TMP18:%.*]] = bitcast i8* [[X]] to i16* +; X32-NEXT: [[TMP19:%.*]] = bitcast i8* [[Y]] to i16* +; X32-NEXT: [[TMP20:%.*]] = getelementptr i16, i16* [[TMP18]], i16 4 +; X32-NEXT: [[TMP21:%.*]] = getelementptr i16, i16* [[TMP19]], i16 4 +; X32-NEXT: [[TMP22:%.*]] = load i16, i16* [[TMP20]] +; X32-NEXT: [[TMP23:%.*]] = load i16, i16* [[TMP21]] +; X32-NEXT: [[TMP24:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP22]]) +; X32-NEXT: [[TMP25:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP23]]) +; X32-NEXT: [[TMP26]] = zext i16 [[TMP24]] to i32 +; X32-NEXT: [[TMP27]] = zext i16 [[TMP25]] to i32 +; X32-NEXT: [[TMP28:%.*]] = icmp eq i32 [[TMP26]], [[TMP27]] +; X32-NEXT: br i1 [[TMP28]], label [[LOADBB3:%.*]], label [[RES_BLOCK]] +; X32: loadbb3: +; X32-NEXT: [[TMP29:%.*]] = getelementptr i8, i8* [[X]], i8 10 +; X32-NEXT: [[TMP30:%.*]] = getelementptr i8, i8* [[Y]], i8 10 +; X32-NEXT: [[TMP31:%.*]] = load i8, i8* [[TMP29]] +; X32-NEXT: [[TMP32:%.*]] = load i8, i8* [[TMP30]] +; X32-NEXT: [[TMP33:%.*]] = zext i8 [[TMP31]] to i32 +; X32-NEXT: [[TMP34:%.*]] = zext i8 [[TMP32]] to i32 +; X32-NEXT: [[TMP35:%.*]] = sub i32 [[TMP33]], [[TMP34]] +; X32-NEXT: br label [[ENDBLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP35]], [[LOADBB3]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X32-NEXT: ret i32 [[PHI_RES]] +; +; X64-LABEL: @cmp11( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64* +; X64-NEXT: [[TMP2:%.*]] = load i64, i64* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP2]]) +; X64-NEXT: [[TMP5:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP3]]) +; X64-NEXT: [[TMP6:%.*]] = icmp eq i64 [[TMP4]], [[TMP5]] +; X64-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X64: res_block: +; X64-NEXT: [[PHI_SRC1:%.*]] = phi i64 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP17:%.*]], [[LOADBB1]] ] +; X64-NEXT: [[PHI_SRC2:%.*]] = phi i64 [ [[TMP5]], [[LOADBB]] ], [ [[TMP18:%.*]], [[LOADBB1]] ] +; X64-NEXT: [[TMP7:%.*]] = icmp ult i64 [[PHI_SRC1]], [[PHI_SRC2]] +; X64-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP9:%.*]] = bitcast i8* [[X]] to i16* +; X64-NEXT: [[TMP10:%.*]] = bitcast i8* [[Y]] to i16* +; X64-NEXT: [[TMP11:%.*]] = getelementptr i16, i16* [[TMP9]], i16 4 +; X64-NEXT: [[TMP12:%.*]] = getelementptr i16, i16* [[TMP10]], i16 4 +; X64-NEXT: [[TMP13:%.*]] = load i16, i16* [[TMP11]] +; X64-NEXT: [[TMP14:%.*]] = load i16, i16* [[TMP12]] +; X64-NEXT: [[TMP15:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP13]]) +; X64-NEXT: [[TMP16:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP14]]) +; X64-NEXT: [[TMP17]] = zext i16 [[TMP15]] to i64 +; X64-NEXT: [[TMP18]] = zext i16 [[TMP16]] to i64 +; X64-NEXT: [[TMP19:%.*]] = icmp eq i64 [[TMP17]], [[TMP18]] +; X64-NEXT: br i1 [[TMP19]], label [[LOADBB2:%.*]], label [[RES_BLOCK]] +; X64: loadbb2: +; X64-NEXT: [[TMP20:%.*]] = getelementptr i8, i8* [[X]], i8 10 +; X64-NEXT: [[TMP21:%.*]] = getelementptr i8, i8* [[Y]], i8 10 +; X64-NEXT: [[TMP22:%.*]] = load i8, i8* [[TMP20]] +; X64-NEXT: [[TMP23:%.*]] = load i8, i8* [[TMP21]] +; X64-NEXT: [[TMP24:%.*]] = zext i8 [[TMP22]] to i32 +; X64-NEXT: [[TMP25:%.*]] = zext i8 [[TMP23]] to i32 +; X64-NEXT: [[TMP26:%.*]] = sub i32 [[TMP24]], [[TMP25]] +; X64-NEXT: br label [[ENDBLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP26]], [[LOADBB2]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X64-NEXT: ret i32 [[PHI_RES]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 11) ret i32 %call } define i32 @cmp12(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp12( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 12) -; ALL-NEXT: ret i32 [[CALL]] +; X32-LABEL: @cmp12( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]]) +; X32-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]]) +; X32-NEXT: [[TMP6:%.*]] = icmp eq i32 [[TMP4]], [[TMP5]] +; X32-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X32: res_block: +; X32-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP15:%.*]], [[LOADBB1]] ], [ [[TMP24:%.*]], [[LOADBB2:%.*]] ] +; X32-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP5]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1]] ], [ [[TMP25:%.*]], [[LOADBB2]] ] +; X32-NEXT: [[TMP7:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]] +; X32-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP10:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP11:%.*]] = getelementptr i32, i32* [[TMP9]], i32 1 +; X32-NEXT: [[TMP12:%.*]] = getelementptr i32, i32* [[TMP10]], i32 1 +; X32-NEXT: [[TMP13:%.*]] = load i32, i32* [[TMP11]] +; X32-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]] +; X32-NEXT: [[TMP15]] = call i32 @llvm.bswap.i32(i32 [[TMP13]]) +; X32-NEXT: [[TMP16]] = call i32 @llvm.bswap.i32(i32 [[TMP14]]) +; X32-NEXT: [[TMP17:%.*]] = icmp eq i32 [[TMP15]], [[TMP16]] +; X32-NEXT: br i1 [[TMP17]], label [[LOADBB2]], label [[RES_BLOCK]] +; X32: loadbb2: +; X32-NEXT: [[TMP18:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP19:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP20:%.*]] = getelementptr i32, i32* [[TMP18]], i32 2 +; X32-NEXT: [[TMP21:%.*]] = getelementptr i32, i32* [[TMP19]], i32 2 +; X32-NEXT: [[TMP22:%.*]] = load i32, i32* [[TMP20]] +; X32-NEXT: [[TMP23:%.*]] = load i32, i32* [[TMP21]] +; X32-NEXT: [[TMP24]] = call i32 @llvm.bswap.i32(i32 [[TMP22]]) +; X32-NEXT: [[TMP25]] = call i32 @llvm.bswap.i32(i32 [[TMP23]]) +; X32-NEXT: [[TMP26:%.*]] = icmp eq i32 [[TMP24]], [[TMP25]] +; X32-NEXT: br i1 [[TMP26]], label [[ENDBLOCK]], label [[RES_BLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB2]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X32-NEXT: ret i32 [[PHI_RES]] +; +; X64-LABEL: @cmp12( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64* +; X64-NEXT: [[TMP2:%.*]] = load i64, i64* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP2]]) +; X64-NEXT: [[TMP5:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP3]]) +; X64-NEXT: [[TMP6:%.*]] = icmp eq i64 [[TMP4]], [[TMP5]] +; X64-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X64: res_block: +; X64-NEXT: [[PHI_SRC1:%.*]] = phi i64 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP17:%.*]], [[LOADBB1]] ] +; X64-NEXT: [[PHI_SRC2:%.*]] = phi i64 [ [[TMP5]], [[LOADBB]] ], [ [[TMP18:%.*]], [[LOADBB1]] ] +; X64-NEXT: [[TMP7:%.*]] = icmp ult i64 [[PHI_SRC1]], [[PHI_SRC2]] +; X64-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP9:%.*]] = bitcast i8* [[X]] to i32* +; X64-NEXT: [[TMP10:%.*]] = bitcast i8* [[Y]] to i32* +; X64-NEXT: [[TMP11:%.*]] = getelementptr i32, i32* [[TMP9]], i32 2 +; X64-NEXT: [[TMP12:%.*]] = getelementptr i32, i32* [[TMP10]], i32 2 +; X64-NEXT: [[TMP13:%.*]] = load i32, i32* [[TMP11]] +; X64-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]] +; X64-NEXT: [[TMP15:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP13]]) +; X64-NEXT: [[TMP16:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP14]]) +; X64-NEXT: [[TMP17]] = zext i32 [[TMP15]] to i64 +; X64-NEXT: [[TMP18]] = zext i32 [[TMP16]] to i64 +; X64-NEXT: [[TMP19:%.*]] = icmp eq i64 [[TMP17]], [[TMP18]] +; X64-NEXT: br i1 [[TMP19]], label [[ENDBLOCK]], label [[RES_BLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X64-NEXT: ret i32 [[PHI_RES]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 12) ret i32 %call } define i32 @cmp13(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp13( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 13) -; ALL-NEXT: ret i32 [[CALL]] +; X32-LABEL: @cmp13( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]]) +; X32-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]]) +; X32-NEXT: [[TMP6:%.*]] = icmp eq i32 [[TMP4]], [[TMP5]] +; X32-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X32: res_block: +; X32-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP15:%.*]], [[LOADBB1]] ], [ [[TMP24:%.*]], [[LOADBB2:%.*]] ] +; X32-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP5]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1]] ], [ [[TMP25:%.*]], [[LOADBB2]] ] +; X32-NEXT: [[TMP7:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]] +; X32-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP10:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP11:%.*]] = getelementptr i32, i32* [[TMP9]], i32 1 +; X32-NEXT: [[TMP12:%.*]] = getelementptr i32, i32* [[TMP10]], i32 1 +; X32-NEXT: [[TMP13:%.*]] = load i32, i32* [[TMP11]] +; X32-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]] +; X32-NEXT: [[TMP15]] = call i32 @llvm.bswap.i32(i32 [[TMP13]]) +; X32-NEXT: [[TMP16]] = call i32 @llvm.bswap.i32(i32 [[TMP14]]) +; X32-NEXT: [[TMP17:%.*]] = icmp eq i32 [[TMP15]], [[TMP16]] +; X32-NEXT: br i1 [[TMP17]], label [[LOADBB2]], label [[RES_BLOCK]] +; X32: loadbb2: +; X32-NEXT: [[TMP18:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP19:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP20:%.*]] = getelementptr i32, i32* [[TMP18]], i32 2 +; X32-NEXT: [[TMP21:%.*]] = getelementptr i32, i32* [[TMP19]], i32 2 +; X32-NEXT: [[TMP22:%.*]] = load i32, i32* [[TMP20]] +; X32-NEXT: [[TMP23:%.*]] = load i32, i32* [[TMP21]] +; X32-NEXT: [[TMP24]] = call i32 @llvm.bswap.i32(i32 [[TMP22]]) +; X32-NEXT: [[TMP25]] = call i32 @llvm.bswap.i32(i32 [[TMP23]]) +; X32-NEXT: [[TMP26:%.*]] = icmp eq i32 [[TMP24]], [[TMP25]] +; X32-NEXT: br i1 [[TMP26]], label [[LOADBB3:%.*]], label [[RES_BLOCK]] +; X32: loadbb3: +; X32-NEXT: [[TMP27:%.*]] = getelementptr i8, i8* [[X]], i8 12 +; X32-NEXT: [[TMP28:%.*]] = getelementptr i8, i8* [[Y]], i8 12 +; X32-NEXT: [[TMP29:%.*]] = load i8, i8* [[TMP27]] +; X32-NEXT: [[TMP30:%.*]] = load i8, i8* [[TMP28]] +; X32-NEXT: [[TMP31:%.*]] = zext i8 [[TMP29]] to i32 +; X32-NEXT: [[TMP32:%.*]] = zext i8 [[TMP30]] to i32 +; X32-NEXT: [[TMP33:%.*]] = sub i32 [[TMP31]], [[TMP32]] +; X32-NEXT: br label [[ENDBLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP33]], [[LOADBB3]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X32-NEXT: ret i32 [[PHI_RES]] +; +; X64-LABEL: @cmp13( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64* +; X64-NEXT: [[TMP2:%.*]] = load i64, i64* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP2]]) +; X64-NEXT: [[TMP5:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP3]]) +; X64-NEXT: [[TMP6:%.*]] = icmp eq i64 [[TMP4]], [[TMP5]] +; X64-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X64: res_block: +; X64-NEXT: [[PHI_SRC1:%.*]] = phi i64 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP17:%.*]], [[LOADBB1]] ] +; X64-NEXT: [[PHI_SRC2:%.*]] = phi i64 [ [[TMP5]], [[LOADBB]] ], [ [[TMP18:%.*]], [[LOADBB1]] ] +; X64-NEXT: [[TMP7:%.*]] = icmp ult i64 [[PHI_SRC1]], [[PHI_SRC2]] +; X64-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP9:%.*]] = bitcast i8* [[X]] to i32* +; X64-NEXT: [[TMP10:%.*]] = bitcast i8* [[Y]] to i32* +; X64-NEXT: [[TMP11:%.*]] = getelementptr i32, i32* [[TMP9]], i32 2 +; X64-NEXT: [[TMP12:%.*]] = getelementptr i32, i32* [[TMP10]], i32 2 +; X64-NEXT: [[TMP13:%.*]] = load i32, i32* [[TMP11]] +; X64-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]] +; X64-NEXT: [[TMP15:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP13]]) +; X64-NEXT: [[TMP16:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP14]]) +; X64-NEXT: [[TMP17]] = zext i32 [[TMP15]] to i64 +; X64-NEXT: [[TMP18]] = zext i32 [[TMP16]] to i64 +; X64-NEXT: [[TMP19:%.*]] = icmp eq i64 [[TMP17]], [[TMP18]] +; X64-NEXT: br i1 [[TMP19]], label [[LOADBB2:%.*]], label [[RES_BLOCK]] +; X64: loadbb2: +; X64-NEXT: [[TMP20:%.*]] = getelementptr i8, i8* [[X]], i8 12 +; X64-NEXT: [[TMP21:%.*]] = getelementptr i8, i8* [[Y]], i8 12 +; X64-NEXT: [[TMP22:%.*]] = load i8, i8* [[TMP20]] +; X64-NEXT: [[TMP23:%.*]] = load i8, i8* [[TMP21]] +; X64-NEXT: [[TMP24:%.*]] = zext i8 [[TMP22]] to i32 +; X64-NEXT: [[TMP25:%.*]] = zext i8 [[TMP23]] to i32 +; X64-NEXT: [[TMP26:%.*]] = sub i32 [[TMP24]], [[TMP25]] +; X64-NEXT: br label [[ENDBLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP26]], [[LOADBB2]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X64-NEXT: ret i32 [[PHI_RES]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 13) ret i32 %call } define i32 @cmp14(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp14( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 14) -; ALL-NEXT: ret i32 [[CALL]] +; X32-LABEL: @cmp14( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]]) +; X32-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]]) +; X32-NEXT: [[TMP6:%.*]] = icmp eq i32 [[TMP4]], [[TMP5]] +; X32-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X32: res_block: +; X32-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP15:%.*]], [[LOADBB1]] ], [ [[TMP24:%.*]], [[LOADBB2:%.*]] ], [ [[TMP35:%.*]], [[LOADBB3:%.*]] ] +; X32-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP5]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1]] ], [ [[TMP25:%.*]], [[LOADBB2]] ], [ [[TMP36:%.*]], [[LOADBB3]] ] +; X32-NEXT: [[TMP7:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]] +; X32-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP10:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP11:%.*]] = getelementptr i32, i32* [[TMP9]], i32 1 +; X32-NEXT: [[TMP12:%.*]] = getelementptr i32, i32* [[TMP10]], i32 1 +; X32-NEXT: [[TMP13:%.*]] = load i32, i32* [[TMP11]] +; X32-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]] +; X32-NEXT: [[TMP15]] = call i32 @llvm.bswap.i32(i32 [[TMP13]]) +; X32-NEXT: [[TMP16]] = call i32 @llvm.bswap.i32(i32 [[TMP14]]) +; X32-NEXT: [[TMP17:%.*]] = icmp eq i32 [[TMP15]], [[TMP16]] +; X32-NEXT: br i1 [[TMP17]], label [[LOADBB2]], label [[RES_BLOCK]] +; X32: loadbb2: +; X32-NEXT: [[TMP18:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP19:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP20:%.*]] = getelementptr i32, i32* [[TMP18]], i32 2 +; X32-NEXT: [[TMP21:%.*]] = getelementptr i32, i32* [[TMP19]], i32 2 +; X32-NEXT: [[TMP22:%.*]] = load i32, i32* [[TMP20]] +; X32-NEXT: [[TMP23:%.*]] = load i32, i32* [[TMP21]] +; X32-NEXT: [[TMP24]] = call i32 @llvm.bswap.i32(i32 [[TMP22]]) +; X32-NEXT: [[TMP25]] = call i32 @llvm.bswap.i32(i32 [[TMP23]]) +; X32-NEXT: [[TMP26:%.*]] = icmp eq i32 [[TMP24]], [[TMP25]] +; X32-NEXT: br i1 [[TMP26]], label [[LOADBB3]], label [[RES_BLOCK]] +; X32: loadbb3: +; X32-NEXT: [[TMP27:%.*]] = bitcast i8* [[X]] to i16* +; X32-NEXT: [[TMP28:%.*]] = bitcast i8* [[Y]] to i16* +; X32-NEXT: [[TMP29:%.*]] = getelementptr i16, i16* [[TMP27]], i16 6 +; X32-NEXT: [[TMP30:%.*]] = getelementptr i16, i16* [[TMP28]], i16 6 +; X32-NEXT: [[TMP31:%.*]] = load i16, i16* [[TMP29]] +; X32-NEXT: [[TMP32:%.*]] = load i16, i16* [[TMP30]] +; X32-NEXT: [[TMP33:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP31]]) +; X32-NEXT: [[TMP34:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP32]]) +; X32-NEXT: [[TMP35]] = zext i16 [[TMP33]] to i32 +; X32-NEXT: [[TMP36]] = zext i16 [[TMP34]] to i32 +; X32-NEXT: [[TMP37:%.*]] = icmp eq i32 [[TMP35]], [[TMP36]] +; X32-NEXT: br i1 [[TMP37]], label [[ENDBLOCK]], label [[RES_BLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB3]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X32-NEXT: ret i32 [[PHI_RES]] +; +; X64-LABEL: @cmp14( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64* +; X64-NEXT: [[TMP2:%.*]] = load i64, i64* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP2]]) +; X64-NEXT: [[TMP5:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP3]]) +; X64-NEXT: [[TMP6:%.*]] = icmp eq i64 [[TMP4]], [[TMP5]] +; X64-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X64: res_block: +; X64-NEXT: [[PHI_SRC1:%.*]] = phi i64 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP17:%.*]], [[LOADBB1]] ], [ [[TMP28:%.*]], [[LOADBB2:%.*]] ] +; X64-NEXT: [[PHI_SRC2:%.*]] = phi i64 [ [[TMP5]], [[LOADBB]] ], [ [[TMP18:%.*]], [[LOADBB1]] ], [ [[TMP29:%.*]], [[LOADBB2]] ] +; X64-NEXT: [[TMP7:%.*]] = icmp ult i64 [[PHI_SRC1]], [[PHI_SRC2]] +; X64-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP9:%.*]] = bitcast i8* [[X]] to i32* +; X64-NEXT: [[TMP10:%.*]] = bitcast i8* [[Y]] to i32* +; X64-NEXT: [[TMP11:%.*]] = getelementptr i32, i32* [[TMP9]], i32 2 +; X64-NEXT: [[TMP12:%.*]] = getelementptr i32, i32* [[TMP10]], i32 2 +; X64-NEXT: [[TMP13:%.*]] = load i32, i32* [[TMP11]] +; X64-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]] +; X64-NEXT: [[TMP15:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP13]]) +; X64-NEXT: [[TMP16:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP14]]) +; X64-NEXT: [[TMP17]] = zext i32 [[TMP15]] to i64 +; X64-NEXT: [[TMP18]] = zext i32 [[TMP16]] to i64 +; X64-NEXT: [[TMP19:%.*]] = icmp eq i64 [[TMP17]], [[TMP18]] +; X64-NEXT: br i1 [[TMP19]], label [[LOADBB2]], label [[RES_BLOCK]] +; X64: loadbb2: +; X64-NEXT: [[TMP20:%.*]] = bitcast i8* [[X]] to i16* +; X64-NEXT: [[TMP21:%.*]] = bitcast i8* [[Y]] to i16* +; X64-NEXT: [[TMP22:%.*]] = getelementptr i16, i16* [[TMP20]], i16 6 +; X64-NEXT: [[TMP23:%.*]] = getelementptr i16, i16* [[TMP21]], i16 6 +; X64-NEXT: [[TMP24:%.*]] = load i16, i16* [[TMP22]] +; X64-NEXT: [[TMP25:%.*]] = load i16, i16* [[TMP23]] +; X64-NEXT: [[TMP26:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP24]]) +; X64-NEXT: [[TMP27:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP25]]) +; X64-NEXT: [[TMP28]] = zext i16 [[TMP26]] to i64 +; X64-NEXT: [[TMP29]] = zext i16 [[TMP27]] to i64 +; X64-NEXT: [[TMP30:%.*]] = icmp eq i64 [[TMP28]], [[TMP29]] +; X64-NEXT: br i1 [[TMP30]], label [[ENDBLOCK]], label [[RES_BLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB2]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X64-NEXT: ret i32 [[PHI_RES]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 14) ret i32 %call } define i32 @cmp15(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp15( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 15) -; ALL-NEXT: ret i32 [[CALL]] +; X32-LABEL: @cmp15( +; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 15) +; X32-NEXT: ret i32 [[CALL]] +; +; X64-LABEL: @cmp15( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64* +; X64-NEXT: [[TMP2:%.*]] = load i64, i64* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP2]]) +; X64-NEXT: [[TMP5:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP3]]) +; X64-NEXT: [[TMP6:%.*]] = icmp eq i64 [[TMP4]], [[TMP5]] +; X64-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X64: res_block: +; X64-NEXT: [[PHI_SRC1:%.*]] = phi i64 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP17:%.*]], [[LOADBB1]] ], [ [[TMP28:%.*]], [[LOADBB2:%.*]] ] +; X64-NEXT: [[PHI_SRC2:%.*]] = phi i64 [ [[TMP5]], [[LOADBB]] ], [ [[TMP18:%.*]], [[LOADBB1]] ], [ [[TMP29:%.*]], [[LOADBB2]] ] +; X64-NEXT: [[TMP7:%.*]] = icmp ult i64 [[PHI_SRC1]], [[PHI_SRC2]] +; X64-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP9:%.*]] = bitcast i8* [[X]] to i32* +; X64-NEXT: [[TMP10:%.*]] = bitcast i8* [[Y]] to i32* +; X64-NEXT: [[TMP11:%.*]] = getelementptr i32, i32* [[TMP9]], i32 2 +; X64-NEXT: [[TMP12:%.*]] = getelementptr i32, i32* [[TMP10]], i32 2 +; X64-NEXT: [[TMP13:%.*]] = load i32, i32* [[TMP11]] +; X64-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]] +; X64-NEXT: [[TMP15:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP13]]) +; X64-NEXT: [[TMP16:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP14]]) +; X64-NEXT: [[TMP17]] = zext i32 [[TMP15]] to i64 +; X64-NEXT: [[TMP18]] = zext i32 [[TMP16]] to i64 +; X64-NEXT: [[TMP19:%.*]] = icmp eq i64 [[TMP17]], [[TMP18]] +; X64-NEXT: br i1 [[TMP19]], label [[LOADBB2]], label [[RES_BLOCK]] +; X64: loadbb2: +; X64-NEXT: [[TMP20:%.*]] = bitcast i8* [[X]] to i16* +; X64-NEXT: [[TMP21:%.*]] = bitcast i8* [[Y]] to i16* +; X64-NEXT: [[TMP22:%.*]] = getelementptr i16, i16* [[TMP20]], i16 6 +; X64-NEXT: [[TMP23:%.*]] = getelementptr i16, i16* [[TMP21]], i16 6 +; X64-NEXT: [[TMP24:%.*]] = load i16, i16* [[TMP22]] +; X64-NEXT: [[TMP25:%.*]] = load i16, i16* [[TMP23]] +; X64-NEXT: [[TMP26:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP24]]) +; X64-NEXT: [[TMP27:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP25]]) +; X64-NEXT: [[TMP28]] = zext i16 [[TMP26]] to i64 +; X64-NEXT: [[TMP29]] = zext i16 [[TMP27]] to i64 +; X64-NEXT: [[TMP30:%.*]] = icmp eq i64 [[TMP28]], [[TMP29]] +; X64-NEXT: br i1 [[TMP30]], label [[LOADBB3:%.*]], label [[RES_BLOCK]] +; X64: loadbb3: +; X64-NEXT: [[TMP31:%.*]] = getelementptr i8, i8* [[X]], i8 14 +; X64-NEXT: [[TMP32:%.*]] = getelementptr i8, i8* [[Y]], i8 14 +; X64-NEXT: [[TMP33:%.*]] = load i8, i8* [[TMP31]] +; X64-NEXT: [[TMP34:%.*]] = load i8, i8* [[TMP32]] +; X64-NEXT: [[TMP35:%.*]] = zext i8 [[TMP33]] to i32 +; X64-NEXT: [[TMP36:%.*]] = zext i8 [[TMP34]] to i32 +; X64-NEXT: [[TMP37:%.*]] = sub i32 [[TMP35]], [[TMP36]] +; X64-NEXT: br label [[ENDBLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP37]], [[LOADBB3]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X64-NEXT: ret i32 [[PHI_RES]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 15) ret i32 %call } define i32 @cmp16(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp16( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 16) -; ALL-NEXT: ret i32 [[CALL]] +; X32-LABEL: @cmp16( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]]) +; X32-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]]) +; X32-NEXT: [[TMP6:%.*]] = icmp eq i32 [[TMP4]], [[TMP5]] +; X32-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X32: res_block: +; X32-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP15:%.*]], [[LOADBB1]] ], [ [[TMP24:%.*]], [[LOADBB2:%.*]] ], [ [[TMP33:%.*]], [[LOADBB3:%.*]] ] +; X32-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP5]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1]] ], [ [[TMP25:%.*]], [[LOADBB2]] ], [ [[TMP34:%.*]], [[LOADBB3]] ] +; X32-NEXT: [[TMP7:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]] +; X32-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP9:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP10:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP11:%.*]] = getelementptr i32, i32* [[TMP9]], i32 1 +; X32-NEXT: [[TMP12:%.*]] = getelementptr i32, i32* [[TMP10]], i32 1 +; X32-NEXT: [[TMP13:%.*]] = load i32, i32* [[TMP11]] +; X32-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]] +; X32-NEXT: [[TMP15]] = call i32 @llvm.bswap.i32(i32 [[TMP13]]) +; X32-NEXT: [[TMP16]] = call i32 @llvm.bswap.i32(i32 [[TMP14]]) +; X32-NEXT: [[TMP17:%.*]] = icmp eq i32 [[TMP15]], [[TMP16]] +; X32-NEXT: br i1 [[TMP17]], label [[LOADBB2]], label [[RES_BLOCK]] +; X32: loadbb2: +; X32-NEXT: [[TMP18:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP19:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP20:%.*]] = getelementptr i32, i32* [[TMP18]], i32 2 +; X32-NEXT: [[TMP21:%.*]] = getelementptr i32, i32* [[TMP19]], i32 2 +; X32-NEXT: [[TMP22:%.*]] = load i32, i32* [[TMP20]] +; X32-NEXT: [[TMP23:%.*]] = load i32, i32* [[TMP21]] +; X32-NEXT: [[TMP24]] = call i32 @llvm.bswap.i32(i32 [[TMP22]]) +; X32-NEXT: [[TMP25]] = call i32 @llvm.bswap.i32(i32 [[TMP23]]) +; X32-NEXT: [[TMP26:%.*]] = icmp eq i32 [[TMP24]], [[TMP25]] +; X32-NEXT: br i1 [[TMP26]], label [[LOADBB3]], label [[RES_BLOCK]] +; X32: loadbb3: +; X32-NEXT: [[TMP27:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP28:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP29:%.*]] = getelementptr i32, i32* [[TMP27]], i32 3 +; X32-NEXT: [[TMP30:%.*]] = getelementptr i32, i32* [[TMP28]], i32 3 +; X32-NEXT: [[TMP31:%.*]] = load i32, i32* [[TMP29]] +; X32-NEXT: [[TMP32:%.*]] = load i32, i32* [[TMP30]] +; X32-NEXT: [[TMP33]] = call i32 @llvm.bswap.i32(i32 [[TMP31]]) +; X32-NEXT: [[TMP34]] = call i32 @llvm.bswap.i32(i32 [[TMP32]]) +; X32-NEXT: [[TMP35:%.*]] = icmp eq i32 [[TMP33]], [[TMP34]] +; X32-NEXT: br i1 [[TMP35]], label [[ENDBLOCK]], label [[RES_BLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB3]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X32-NEXT: ret i32 [[PHI_RES]] +; +; X64-LABEL: @cmp16( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64* +; X64-NEXT: [[TMP2:%.*]] = load i64, i64* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP2]]) +; X64-NEXT: [[TMP5:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP3]]) +; X64-NEXT: [[TMP6:%.*]] = icmp eq i64 [[TMP4]], [[TMP5]] +; X64-NEXT: br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]] +; X64: res_block: +; X64-NEXT: [[PHI_SRC1:%.*]] = phi i64 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP15:%.*]], [[LOADBB1]] ] +; X64-NEXT: [[PHI_SRC2:%.*]] = phi i64 [ [[TMP5]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1]] ] +; X64-NEXT: [[TMP7:%.*]] = icmp ult i64 [[PHI_SRC1]], [[PHI_SRC2]] +; X64-NEXT: [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1 +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP9:%.*]] = bitcast i8* [[X]] to i64* +; X64-NEXT: [[TMP10:%.*]] = bitcast i8* [[Y]] to i64* +; X64-NEXT: [[TMP11:%.*]] = getelementptr i64, i64* [[TMP9]], i64 1 +; X64-NEXT: [[TMP12:%.*]] = getelementptr i64, i64* [[TMP10]], i64 1 +; X64-NEXT: [[TMP13:%.*]] = load i64, i64* [[TMP11]] +; X64-NEXT: [[TMP14:%.*]] = load i64, i64* [[TMP12]] +; X64-NEXT: [[TMP15]] = call i64 @llvm.bswap.i64(i64 [[TMP13]]) +; X64-NEXT: [[TMP16]] = call i64 @llvm.bswap.i64(i64 [[TMP14]]) +; X64-NEXT: [[TMP17:%.*]] = icmp eq i64 [[TMP15]], [[TMP16]] +; X64-NEXT: br i1 [[TMP17]], label [[ENDBLOCK]], label [[RES_BLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP8]], [[RES_BLOCK]] ] +; X64-NEXT: ret i32 [[PHI_RES]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 16) ret i32 %call @@ -190,8 +1088,25 @@ define i32 @cmp_eq3(i8* nocapture readonly %x, i8* nocapture readonly %y) { ; ALL-LABEL: @cmp_eq3( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 3) -; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0 +; ALL-NEXT: loadbb: +; ALL-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i16* +; ALL-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i16* +; ALL-NEXT: [[TMP2:%.*]] = load i16, i16* [[TMP0]] +; ALL-NEXT: [[TMP3:%.*]] = load i16, i16* [[TMP1]] +; ALL-NEXT: [[TMP4:%.*]] = icmp ne i16 [[TMP2]], [[TMP3]] +; ALL-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; ALL: res_block: +; ALL-NEXT: br label [[ENDBLOCK:%.*]] +; ALL: loadbb1: +; ALL-NEXT: [[TMP5:%.*]] = getelementptr i8, i8* [[X]], i8 2 +; ALL-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[Y]], i8 2 +; ALL-NEXT: [[TMP7:%.*]] = load i8, i8* [[TMP5]] +; ALL-NEXT: [[TMP8:%.*]] = load i8, i8* [[TMP6]] +; ALL-NEXT: [[TMP9:%.*]] = icmp ne i8 [[TMP7]], [[TMP8]] +; ALL-NEXT: br i1 [[TMP9]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; ALL: endblock: +; ALL-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ 1, [[RES_BLOCK]] ] +; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 ; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 ; ALL-NEXT: ret i32 [[CONV]] ; @@ -221,8 +1136,25 @@ define i32 @cmp_eq5(i8* nocapture readonly %x, i8* nocapture readonly %y) { ; ALL-LABEL: @cmp_eq5( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 5) -; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0 +; ALL-NEXT: loadbb: +; ALL-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; ALL-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; ALL-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; ALL-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; ALL-NEXT: [[TMP4:%.*]] = icmp ne i32 [[TMP2]], [[TMP3]] +; ALL-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; ALL: res_block: +; ALL-NEXT: br label [[ENDBLOCK:%.*]] +; ALL: loadbb1: +; ALL-NEXT: [[TMP5:%.*]] = getelementptr i8, i8* [[X]], i8 4 +; ALL-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[Y]], i8 4 +; ALL-NEXT: [[TMP7:%.*]] = load i8, i8* [[TMP5]] +; ALL-NEXT: [[TMP8:%.*]] = load i8, i8* [[TMP6]] +; ALL-NEXT: [[TMP9:%.*]] = icmp ne i8 [[TMP7]], [[TMP8]] +; ALL-NEXT: br i1 [[TMP9]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; ALL: endblock: +; ALL-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ 1, [[RES_BLOCK]] ] +; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 ; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 ; ALL-NEXT: ret i32 [[CONV]] ; @@ -234,8 +1166,27 @@ define i32 @cmp_eq6(i8* nocapture readonly %x, i8* nocapture readonly %y) { ; ALL-LABEL: @cmp_eq6( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 6) -; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0 +; ALL-NEXT: loadbb: +; ALL-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; ALL-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; ALL-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; ALL-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; ALL-NEXT: [[TMP4:%.*]] = icmp ne i32 [[TMP2]], [[TMP3]] +; ALL-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; ALL: res_block: +; ALL-NEXT: br label [[ENDBLOCK:%.*]] +; ALL: loadbb1: +; ALL-NEXT: [[TMP5:%.*]] = bitcast i8* [[X]] to i16* +; ALL-NEXT: [[TMP6:%.*]] = bitcast i8* [[Y]] to i16* +; ALL-NEXT: [[TMP7:%.*]] = getelementptr i16, i16* [[TMP5]], i16 2 +; ALL-NEXT: [[TMP8:%.*]] = getelementptr i16, i16* [[TMP6]], i16 2 +; ALL-NEXT: [[TMP9:%.*]] = load i16, i16* [[TMP7]] +; ALL-NEXT: [[TMP10:%.*]] = load i16, i16* [[TMP8]] +; ALL-NEXT: [[TMP11:%.*]] = icmp ne i16 [[TMP9]], [[TMP10]] +; ALL-NEXT: br i1 [[TMP11]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; ALL: endblock: +; ALL-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ 1, [[RES_BLOCK]] ] +; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 ; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 ; ALL-NEXT: ret i32 [[CONV]] ; @@ -247,8 +1198,34 @@ define i32 @cmp_eq7(i8* nocapture readonly %x, i8* nocapture readonly %y) { ; ALL-LABEL: @cmp_eq7( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 7) -; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0 +; ALL-NEXT: loadbb: +; ALL-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; ALL-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; ALL-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; ALL-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; ALL-NEXT: [[TMP4:%.*]] = icmp ne i32 [[TMP2]], [[TMP3]] +; ALL-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; ALL: res_block: +; ALL-NEXT: br label [[ENDBLOCK:%.*]] +; ALL: loadbb1: +; ALL-NEXT: [[TMP5:%.*]] = bitcast i8* [[X]] to i16* +; ALL-NEXT: [[TMP6:%.*]] = bitcast i8* [[Y]] to i16* +; ALL-NEXT: [[TMP7:%.*]] = getelementptr i16, i16* [[TMP5]], i16 2 +; ALL-NEXT: [[TMP8:%.*]] = getelementptr i16, i16* [[TMP6]], i16 2 +; ALL-NEXT: [[TMP9:%.*]] = load i16, i16* [[TMP7]] +; ALL-NEXT: [[TMP10:%.*]] = load i16, i16* [[TMP8]] +; ALL-NEXT: [[TMP11:%.*]] = icmp ne i16 [[TMP9]], [[TMP10]] +; ALL-NEXT: br i1 [[TMP11]], label [[RES_BLOCK]], label [[LOADBB2:%.*]] +; ALL: loadbb2: +; ALL-NEXT: [[TMP12:%.*]] = getelementptr i8, i8* [[X]], i8 6 +; ALL-NEXT: [[TMP13:%.*]] = getelementptr i8, i8* [[Y]], i8 6 +; ALL-NEXT: [[TMP14:%.*]] = load i8, i8* [[TMP12]] +; ALL-NEXT: [[TMP15:%.*]] = load i8, i8* [[TMP13]] +; ALL-NEXT: [[TMP16:%.*]] = icmp ne i8 [[TMP14]], [[TMP15]] +; ALL-NEXT: br i1 [[TMP16]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; ALL: endblock: +; ALL-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB2]] ], [ 1, [[RES_BLOCK]] ] +; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 ; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 ; ALL-NEXT: ret i32 [[CONV]] ; @@ -260,8 +1237,27 @@ define i32 @cmp_eq8(i8* nocapture readonly %x, i8* nocapture readonly %y) { ; X32-LABEL: @cmp_eq8( -; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 8) -; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0 +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = icmp ne i32 [[TMP2]], [[TMP3]] +; X32-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; X32: res_block: +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP5:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP6:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP7:%.*]] = getelementptr i32, i32* [[TMP5]], i32 1 +; X32-NEXT: [[TMP8:%.*]] = getelementptr i32, i32* [[TMP6]], i32 1 +; X32-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP7]] +; X32-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]] +; X32-NEXT: [[TMP11:%.*]] = icmp ne i32 [[TMP9]], [[TMP10]] +; X32-NEXT: br i1 [[TMP11]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ 1, [[RES_BLOCK]] ] +; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 ; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 ; X32-NEXT: ret i32 [[CONV]] ; @@ -283,11 +1279,60 @@ } define i32 @cmp_eq9(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp_eq9( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 9) -; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0 -; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 -; ALL-NEXT: ret i32 [[CONV]] +; X32-LABEL: @cmp_eq9( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = icmp ne i32 [[TMP2]], [[TMP3]] +; X32-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; X32: res_block: +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP5:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP6:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP7:%.*]] = getelementptr i32, i32* [[TMP5]], i32 1 +; X32-NEXT: [[TMP8:%.*]] = getelementptr i32, i32* [[TMP6]], i32 1 +; X32-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP7]] +; X32-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]] +; X32-NEXT: [[TMP11:%.*]] = icmp ne i32 [[TMP9]], [[TMP10]] +; X32-NEXT: br i1 [[TMP11]], label [[RES_BLOCK]], label [[LOADBB2:%.*]] +; X32: loadbb2: +; X32-NEXT: [[TMP12:%.*]] = getelementptr i8, i8* [[X]], i8 8 +; X32-NEXT: [[TMP13:%.*]] = getelementptr i8, i8* [[Y]], i8 8 +; X32-NEXT: [[TMP14:%.*]] = load i8, i8* [[TMP12]] +; X32-NEXT: [[TMP15:%.*]] = load i8, i8* [[TMP13]] +; X32-NEXT: [[TMP16:%.*]] = icmp ne i8 [[TMP14]], [[TMP15]] +; X32-NEXT: br i1 [[TMP16]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB2]] ], [ 1, [[RES_BLOCK]] ] +; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 +; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 +; X32-NEXT: ret i32 [[CONV]] +; +; X64-LABEL: @cmp_eq9( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64* +; X64-NEXT: [[TMP2:%.*]] = load i64, i64* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = icmp ne i64 [[TMP2]], [[TMP3]] +; X64-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; X64: res_block: +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP5:%.*]] = getelementptr i8, i8* [[X]], i8 8 +; X64-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[Y]], i8 8 +; X64-NEXT: [[TMP7:%.*]] = load i8, i8* [[TMP5]] +; X64-NEXT: [[TMP8:%.*]] = load i8, i8* [[TMP6]] +; X64-NEXT: [[TMP9:%.*]] = icmp ne i8 [[TMP7]], [[TMP8]] +; X64-NEXT: br i1 [[TMP9]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ 1, [[RES_BLOCK]] ] +; X64-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 +; X64-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 +; X64-NEXT: ret i32 [[CONV]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 9) %cmp = icmp eq i32 %call, 0 @@ -296,11 +1341,64 @@ } define i32 @cmp_eq10(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp_eq10( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 10) -; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0 -; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 -; ALL-NEXT: ret i32 [[CONV]] +; X32-LABEL: @cmp_eq10( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = icmp ne i32 [[TMP2]], [[TMP3]] +; X32-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; X32: res_block: +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP5:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP6:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP7:%.*]] = getelementptr i32, i32* [[TMP5]], i32 1 +; X32-NEXT: [[TMP8:%.*]] = getelementptr i32, i32* [[TMP6]], i32 1 +; X32-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP7]] +; X32-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]] +; X32-NEXT: [[TMP11:%.*]] = icmp ne i32 [[TMP9]], [[TMP10]] +; X32-NEXT: br i1 [[TMP11]], label [[RES_BLOCK]], label [[LOADBB2:%.*]] +; X32: loadbb2: +; X32-NEXT: [[TMP12:%.*]] = bitcast i8* [[X]] to i16* +; X32-NEXT: [[TMP13:%.*]] = bitcast i8* [[Y]] to i16* +; X32-NEXT: [[TMP14:%.*]] = getelementptr i16, i16* [[TMP12]], i16 4 +; X32-NEXT: [[TMP15:%.*]] = getelementptr i16, i16* [[TMP13]], i16 4 +; X32-NEXT: [[TMP16:%.*]] = load i16, i16* [[TMP14]] +; X32-NEXT: [[TMP17:%.*]] = load i16, i16* [[TMP15]] +; X32-NEXT: [[TMP18:%.*]] = icmp ne i16 [[TMP16]], [[TMP17]] +; X32-NEXT: br i1 [[TMP18]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB2]] ], [ 1, [[RES_BLOCK]] ] +; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 +; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 +; X32-NEXT: ret i32 [[CONV]] +; +; X64-LABEL: @cmp_eq10( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64* +; X64-NEXT: [[TMP2:%.*]] = load i64, i64* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = icmp ne i64 [[TMP2]], [[TMP3]] +; X64-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; X64: res_block: +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP5:%.*]] = bitcast i8* [[X]] to i16* +; X64-NEXT: [[TMP6:%.*]] = bitcast i8* [[Y]] to i16* +; X64-NEXT: [[TMP7:%.*]] = getelementptr i16, i16* [[TMP5]], i16 4 +; X64-NEXT: [[TMP8:%.*]] = getelementptr i16, i16* [[TMP6]], i16 4 +; X64-NEXT: [[TMP9:%.*]] = load i16, i16* [[TMP7]] +; X64-NEXT: [[TMP10:%.*]] = load i16, i16* [[TMP8]] +; X64-NEXT: [[TMP11:%.*]] = icmp ne i16 [[TMP9]], [[TMP10]] +; X64-NEXT: br i1 [[TMP11]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ 1, [[RES_BLOCK]] ] +; X64-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 +; X64-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 +; X64-NEXT: ret i32 [[CONV]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 10) %cmp = icmp eq i32 %call, 0 @@ -309,11 +1407,78 @@ } define i32 @cmp_eq11(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp_eq11( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 11) -; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0 -; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 -; ALL-NEXT: ret i32 [[CONV]] +; X32-LABEL: @cmp_eq11( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = icmp ne i32 [[TMP2]], [[TMP3]] +; X32-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; X32: res_block: +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP5:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP6:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP7:%.*]] = getelementptr i32, i32* [[TMP5]], i32 1 +; X32-NEXT: [[TMP8:%.*]] = getelementptr i32, i32* [[TMP6]], i32 1 +; X32-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP7]] +; X32-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]] +; X32-NEXT: [[TMP11:%.*]] = icmp ne i32 [[TMP9]], [[TMP10]] +; X32-NEXT: br i1 [[TMP11]], label [[RES_BLOCK]], label [[LOADBB2:%.*]] +; X32: loadbb2: +; X32-NEXT: [[TMP12:%.*]] = bitcast i8* [[X]] to i16* +; X32-NEXT: [[TMP13:%.*]] = bitcast i8* [[Y]] to i16* +; X32-NEXT: [[TMP14:%.*]] = getelementptr i16, i16* [[TMP12]], i16 4 +; X32-NEXT: [[TMP15:%.*]] = getelementptr i16, i16* [[TMP13]], i16 4 +; X32-NEXT: [[TMP16:%.*]] = load i16, i16* [[TMP14]] +; X32-NEXT: [[TMP17:%.*]] = load i16, i16* [[TMP15]] +; X32-NEXT: [[TMP18:%.*]] = icmp ne i16 [[TMP16]], [[TMP17]] +; X32-NEXT: br i1 [[TMP18]], label [[RES_BLOCK]], label [[LOADBB3:%.*]] +; X32: loadbb3: +; X32-NEXT: [[TMP19:%.*]] = getelementptr i8, i8* [[X]], i8 10 +; X32-NEXT: [[TMP20:%.*]] = getelementptr i8, i8* [[Y]], i8 10 +; X32-NEXT: [[TMP21:%.*]] = load i8, i8* [[TMP19]] +; X32-NEXT: [[TMP22:%.*]] = load i8, i8* [[TMP20]] +; X32-NEXT: [[TMP23:%.*]] = icmp ne i8 [[TMP21]], [[TMP22]] +; X32-NEXT: br i1 [[TMP23]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB3]] ], [ 1, [[RES_BLOCK]] ] +; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 +; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 +; X32-NEXT: ret i32 [[CONV]] +; +; X64-LABEL: @cmp_eq11( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64* +; X64-NEXT: [[TMP2:%.*]] = load i64, i64* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = icmp ne i64 [[TMP2]], [[TMP3]] +; X64-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; X64: res_block: +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP5:%.*]] = bitcast i8* [[X]] to i16* +; X64-NEXT: [[TMP6:%.*]] = bitcast i8* [[Y]] to i16* +; X64-NEXT: [[TMP7:%.*]] = getelementptr i16, i16* [[TMP5]], i16 4 +; X64-NEXT: [[TMP8:%.*]] = getelementptr i16, i16* [[TMP6]], i16 4 +; X64-NEXT: [[TMP9:%.*]] = load i16, i16* [[TMP7]] +; X64-NEXT: [[TMP10:%.*]] = load i16, i16* [[TMP8]] +; X64-NEXT: [[TMP11:%.*]] = icmp ne i16 [[TMP9]], [[TMP10]] +; X64-NEXT: br i1 [[TMP11]], label [[RES_BLOCK]], label [[LOADBB2:%.*]] +; X64: loadbb2: +; X64-NEXT: [[TMP12:%.*]] = getelementptr i8, i8* [[X]], i8 10 +; X64-NEXT: [[TMP13:%.*]] = getelementptr i8, i8* [[Y]], i8 10 +; X64-NEXT: [[TMP14:%.*]] = load i8, i8* [[TMP12]] +; X64-NEXT: [[TMP15:%.*]] = load i8, i8* [[TMP13]] +; X64-NEXT: [[TMP16:%.*]] = icmp ne i8 [[TMP14]], [[TMP15]] +; X64-NEXT: br i1 [[TMP16]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB2]] ], [ 1, [[RES_BLOCK]] ] +; X64-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 +; X64-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 +; X64-NEXT: ret i32 [[CONV]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 11) %cmp = icmp eq i32 %call, 0 @@ -322,11 +1487,64 @@ } define i32 @cmp_eq12(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp_eq12( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 12) -; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0 -; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 -; ALL-NEXT: ret i32 [[CONV]] +; X32-LABEL: @cmp_eq12( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = icmp ne i32 [[TMP2]], [[TMP3]] +; X32-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; X32: res_block: +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP5:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP6:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP7:%.*]] = getelementptr i32, i32* [[TMP5]], i32 1 +; X32-NEXT: [[TMP8:%.*]] = getelementptr i32, i32* [[TMP6]], i32 1 +; X32-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP7]] +; X32-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]] +; X32-NEXT: [[TMP11:%.*]] = icmp ne i32 [[TMP9]], [[TMP10]] +; X32-NEXT: br i1 [[TMP11]], label [[RES_BLOCK]], label [[LOADBB2:%.*]] +; X32: loadbb2: +; X32-NEXT: [[TMP12:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP13:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP14:%.*]] = getelementptr i32, i32* [[TMP12]], i32 2 +; X32-NEXT: [[TMP15:%.*]] = getelementptr i32, i32* [[TMP13]], i32 2 +; X32-NEXT: [[TMP16:%.*]] = load i32, i32* [[TMP14]] +; X32-NEXT: [[TMP17:%.*]] = load i32, i32* [[TMP15]] +; X32-NEXT: [[TMP18:%.*]] = icmp ne i32 [[TMP16]], [[TMP17]] +; X32-NEXT: br i1 [[TMP18]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB2]] ], [ 1, [[RES_BLOCK]] ] +; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 +; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 +; X32-NEXT: ret i32 [[CONV]] +; +; X64-LABEL: @cmp_eq12( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64* +; X64-NEXT: [[TMP2:%.*]] = load i64, i64* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = icmp ne i64 [[TMP2]], [[TMP3]] +; X64-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; X64: res_block: +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP5:%.*]] = bitcast i8* [[X]] to i32* +; X64-NEXT: [[TMP6:%.*]] = bitcast i8* [[Y]] to i32* +; X64-NEXT: [[TMP7:%.*]] = getelementptr i32, i32* [[TMP5]], i32 2 +; X64-NEXT: [[TMP8:%.*]] = getelementptr i32, i32* [[TMP6]], i32 2 +; X64-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP7]] +; X64-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]] +; X64-NEXT: [[TMP11:%.*]] = icmp ne i32 [[TMP9]], [[TMP10]] +; X64-NEXT: br i1 [[TMP11]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ 1, [[RES_BLOCK]] ] +; X64-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 +; X64-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 +; X64-NEXT: ret i32 [[CONV]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 12) %cmp = icmp eq i32 %call, 0 @@ -335,11 +1553,78 @@ } define i32 @cmp_eq13(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp_eq13( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 13) -; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0 -; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 -; ALL-NEXT: ret i32 [[CONV]] +; X32-LABEL: @cmp_eq13( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = icmp ne i32 [[TMP2]], [[TMP3]] +; X32-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; X32: res_block: +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP5:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP6:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP7:%.*]] = getelementptr i32, i32* [[TMP5]], i32 1 +; X32-NEXT: [[TMP8:%.*]] = getelementptr i32, i32* [[TMP6]], i32 1 +; X32-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP7]] +; X32-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]] +; X32-NEXT: [[TMP11:%.*]] = icmp ne i32 [[TMP9]], [[TMP10]] +; X32-NEXT: br i1 [[TMP11]], label [[RES_BLOCK]], label [[LOADBB2:%.*]] +; X32: loadbb2: +; X32-NEXT: [[TMP12:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP13:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP14:%.*]] = getelementptr i32, i32* [[TMP12]], i32 2 +; X32-NEXT: [[TMP15:%.*]] = getelementptr i32, i32* [[TMP13]], i32 2 +; X32-NEXT: [[TMP16:%.*]] = load i32, i32* [[TMP14]] +; X32-NEXT: [[TMP17:%.*]] = load i32, i32* [[TMP15]] +; X32-NEXT: [[TMP18:%.*]] = icmp ne i32 [[TMP16]], [[TMP17]] +; X32-NEXT: br i1 [[TMP18]], label [[RES_BLOCK]], label [[LOADBB3:%.*]] +; X32: loadbb3: +; X32-NEXT: [[TMP19:%.*]] = getelementptr i8, i8* [[X]], i8 12 +; X32-NEXT: [[TMP20:%.*]] = getelementptr i8, i8* [[Y]], i8 12 +; X32-NEXT: [[TMP21:%.*]] = load i8, i8* [[TMP19]] +; X32-NEXT: [[TMP22:%.*]] = load i8, i8* [[TMP20]] +; X32-NEXT: [[TMP23:%.*]] = icmp ne i8 [[TMP21]], [[TMP22]] +; X32-NEXT: br i1 [[TMP23]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB3]] ], [ 1, [[RES_BLOCK]] ] +; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 +; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 +; X32-NEXT: ret i32 [[CONV]] +; +; X64-LABEL: @cmp_eq13( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64* +; X64-NEXT: [[TMP2:%.*]] = load i64, i64* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = icmp ne i64 [[TMP2]], [[TMP3]] +; X64-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; X64: res_block: +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP5:%.*]] = bitcast i8* [[X]] to i32* +; X64-NEXT: [[TMP6:%.*]] = bitcast i8* [[Y]] to i32* +; X64-NEXT: [[TMP7:%.*]] = getelementptr i32, i32* [[TMP5]], i32 2 +; X64-NEXT: [[TMP8:%.*]] = getelementptr i32, i32* [[TMP6]], i32 2 +; X64-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP7]] +; X64-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]] +; X64-NEXT: [[TMP11:%.*]] = icmp ne i32 [[TMP9]], [[TMP10]] +; X64-NEXT: br i1 [[TMP11]], label [[RES_BLOCK]], label [[LOADBB2:%.*]] +; X64: loadbb2: +; X64-NEXT: [[TMP12:%.*]] = getelementptr i8, i8* [[X]], i8 12 +; X64-NEXT: [[TMP13:%.*]] = getelementptr i8, i8* [[Y]], i8 12 +; X64-NEXT: [[TMP14:%.*]] = load i8, i8* [[TMP12]] +; X64-NEXT: [[TMP15:%.*]] = load i8, i8* [[TMP13]] +; X64-NEXT: [[TMP16:%.*]] = icmp ne i8 [[TMP14]], [[TMP15]] +; X64-NEXT: br i1 [[TMP16]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB2]] ], [ 1, [[RES_BLOCK]] ] +; X64-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 +; X64-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 +; X64-NEXT: ret i32 [[CONV]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 13) %cmp = icmp eq i32 %call, 0 @@ -348,11 +1633,82 @@ } define i32 @cmp_eq14(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp_eq14( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 14) -; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0 -; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 -; ALL-NEXT: ret i32 [[CONV]] +; X32-LABEL: @cmp_eq14( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = icmp ne i32 [[TMP2]], [[TMP3]] +; X32-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; X32: res_block: +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP5:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP6:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP7:%.*]] = getelementptr i32, i32* [[TMP5]], i32 1 +; X32-NEXT: [[TMP8:%.*]] = getelementptr i32, i32* [[TMP6]], i32 1 +; X32-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP7]] +; X32-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]] +; X32-NEXT: [[TMP11:%.*]] = icmp ne i32 [[TMP9]], [[TMP10]] +; X32-NEXT: br i1 [[TMP11]], label [[RES_BLOCK]], label [[LOADBB2:%.*]] +; X32: loadbb2: +; X32-NEXT: [[TMP12:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP13:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP14:%.*]] = getelementptr i32, i32* [[TMP12]], i32 2 +; X32-NEXT: [[TMP15:%.*]] = getelementptr i32, i32* [[TMP13]], i32 2 +; X32-NEXT: [[TMP16:%.*]] = load i32, i32* [[TMP14]] +; X32-NEXT: [[TMP17:%.*]] = load i32, i32* [[TMP15]] +; X32-NEXT: [[TMP18:%.*]] = icmp ne i32 [[TMP16]], [[TMP17]] +; X32-NEXT: br i1 [[TMP18]], label [[RES_BLOCK]], label [[LOADBB3:%.*]] +; X32: loadbb3: +; X32-NEXT: [[TMP19:%.*]] = bitcast i8* [[X]] to i16* +; X32-NEXT: [[TMP20:%.*]] = bitcast i8* [[Y]] to i16* +; X32-NEXT: [[TMP21:%.*]] = getelementptr i16, i16* [[TMP19]], i16 6 +; X32-NEXT: [[TMP22:%.*]] = getelementptr i16, i16* [[TMP20]], i16 6 +; X32-NEXT: [[TMP23:%.*]] = load i16, i16* [[TMP21]] +; X32-NEXT: [[TMP24:%.*]] = load i16, i16* [[TMP22]] +; X32-NEXT: [[TMP25:%.*]] = icmp ne i16 [[TMP23]], [[TMP24]] +; X32-NEXT: br i1 [[TMP25]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB3]] ], [ 1, [[RES_BLOCK]] ] +; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 +; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 +; X32-NEXT: ret i32 [[CONV]] +; +; X64-LABEL: @cmp_eq14( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64* +; X64-NEXT: [[TMP2:%.*]] = load i64, i64* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = icmp ne i64 [[TMP2]], [[TMP3]] +; X64-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; X64: res_block: +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP5:%.*]] = bitcast i8* [[X]] to i32* +; X64-NEXT: [[TMP6:%.*]] = bitcast i8* [[Y]] to i32* +; X64-NEXT: [[TMP7:%.*]] = getelementptr i32, i32* [[TMP5]], i32 2 +; X64-NEXT: [[TMP8:%.*]] = getelementptr i32, i32* [[TMP6]], i32 2 +; X64-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP7]] +; X64-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]] +; X64-NEXT: [[TMP11:%.*]] = icmp ne i32 [[TMP9]], [[TMP10]] +; X64-NEXT: br i1 [[TMP11]], label [[RES_BLOCK]], label [[LOADBB2:%.*]] +; X64: loadbb2: +; X64-NEXT: [[TMP12:%.*]] = bitcast i8* [[X]] to i16* +; X64-NEXT: [[TMP13:%.*]] = bitcast i8* [[Y]] to i16* +; X64-NEXT: [[TMP14:%.*]] = getelementptr i16, i16* [[TMP12]], i16 6 +; X64-NEXT: [[TMP15:%.*]] = getelementptr i16, i16* [[TMP13]], i16 6 +; X64-NEXT: [[TMP16:%.*]] = load i16, i16* [[TMP14]] +; X64-NEXT: [[TMP17:%.*]] = load i16, i16* [[TMP15]] +; X64-NEXT: [[TMP18:%.*]] = icmp ne i16 [[TMP16]], [[TMP17]] +; X64-NEXT: br i1 [[TMP18]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB2]] ], [ 1, [[RES_BLOCK]] ] +; X64-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 +; X64-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 +; X64-NEXT: ret i32 [[CONV]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 14) %cmp = icmp eq i32 %call, 0 @@ -361,11 +1717,52 @@ } define i32 @cmp_eq15(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp_eq15( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 15) -; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0 -; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 -; ALL-NEXT: ret i32 [[CONV]] +; X32-LABEL: @cmp_eq15( +; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 15) +; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0 +; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 +; X32-NEXT: ret i32 [[CONV]] +; +; X64-LABEL: @cmp_eq15( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64* +; X64-NEXT: [[TMP2:%.*]] = load i64, i64* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = icmp ne i64 [[TMP2]], [[TMP3]] +; X64-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; X64: res_block: +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP5:%.*]] = bitcast i8* [[X]] to i32* +; X64-NEXT: [[TMP6:%.*]] = bitcast i8* [[Y]] to i32* +; X64-NEXT: [[TMP7:%.*]] = getelementptr i32, i32* [[TMP5]], i32 2 +; X64-NEXT: [[TMP8:%.*]] = getelementptr i32, i32* [[TMP6]], i32 2 +; X64-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP7]] +; X64-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]] +; X64-NEXT: [[TMP11:%.*]] = icmp ne i32 [[TMP9]], [[TMP10]] +; X64-NEXT: br i1 [[TMP11]], label [[RES_BLOCK]], label [[LOADBB2:%.*]] +; X64: loadbb2: +; X64-NEXT: [[TMP12:%.*]] = bitcast i8* [[X]] to i16* +; X64-NEXT: [[TMP13:%.*]] = bitcast i8* [[Y]] to i16* +; X64-NEXT: [[TMP14:%.*]] = getelementptr i16, i16* [[TMP12]], i16 6 +; X64-NEXT: [[TMP15:%.*]] = getelementptr i16, i16* [[TMP13]], i16 6 +; X64-NEXT: [[TMP16:%.*]] = load i16, i16* [[TMP14]] +; X64-NEXT: [[TMP17:%.*]] = load i16, i16* [[TMP15]] +; X64-NEXT: [[TMP18:%.*]] = icmp ne i16 [[TMP16]], [[TMP17]] +; X64-NEXT: br i1 [[TMP18]], label [[RES_BLOCK]], label [[LOADBB3:%.*]] +; X64: loadbb3: +; X64-NEXT: [[TMP19:%.*]] = getelementptr i8, i8* [[X]], i8 14 +; X64-NEXT: [[TMP20:%.*]] = getelementptr i8, i8* [[Y]], i8 14 +; X64-NEXT: [[TMP21:%.*]] = load i8, i8* [[TMP19]] +; X64-NEXT: [[TMP22:%.*]] = load i8, i8* [[TMP20]] +; X64-NEXT: [[TMP23:%.*]] = icmp ne i8 [[TMP21]], [[TMP22]] +; X64-NEXT: br i1 [[TMP23]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB3]] ], [ 1, [[RES_BLOCK]] ] +; X64-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 +; X64-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 +; X64-NEXT: ret i32 [[CONV]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 15) %cmp = icmp eq i32 %call, 0 @@ -374,11 +1771,73 @@ } define i32 @cmp_eq16(i8* nocapture readonly %x, i8* nocapture readonly %y) { -; ALL-LABEL: @cmp_eq16( -; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 16) -; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0 -; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 -; ALL-NEXT: ret i32 [[CONV]] +; X32-LABEL: @cmp_eq16( +; X32-NEXT: loadbb: +; X32-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32* +; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32* +; X32-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]] +; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]] +; X32-NEXT: [[TMP4:%.*]] = icmp ne i32 [[TMP2]], [[TMP3]] +; X32-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; X32: res_block: +; X32-NEXT: br label [[ENDBLOCK:%.*]] +; X32: loadbb1: +; X32-NEXT: [[TMP5:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP6:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP7:%.*]] = getelementptr i32, i32* [[TMP5]], i32 1 +; X32-NEXT: [[TMP8:%.*]] = getelementptr i32, i32* [[TMP6]], i32 1 +; X32-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP7]] +; X32-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]] +; X32-NEXT: [[TMP11:%.*]] = icmp ne i32 [[TMP9]], [[TMP10]] +; X32-NEXT: br i1 [[TMP11]], label [[RES_BLOCK]], label [[LOADBB2:%.*]] +; X32: loadbb2: +; X32-NEXT: [[TMP12:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP13:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP14:%.*]] = getelementptr i32, i32* [[TMP12]], i32 2 +; X32-NEXT: [[TMP15:%.*]] = getelementptr i32, i32* [[TMP13]], i32 2 +; X32-NEXT: [[TMP16:%.*]] = load i32, i32* [[TMP14]] +; X32-NEXT: [[TMP17:%.*]] = load i32, i32* [[TMP15]] +; X32-NEXT: [[TMP18:%.*]] = icmp ne i32 [[TMP16]], [[TMP17]] +; X32-NEXT: br i1 [[TMP18]], label [[RES_BLOCK]], label [[LOADBB3:%.*]] +; X32: loadbb3: +; X32-NEXT: [[TMP19:%.*]] = bitcast i8* [[X]] to i32* +; X32-NEXT: [[TMP20:%.*]] = bitcast i8* [[Y]] to i32* +; X32-NEXT: [[TMP21:%.*]] = getelementptr i32, i32* [[TMP19]], i32 3 +; X32-NEXT: [[TMP22:%.*]] = getelementptr i32, i32* [[TMP20]], i32 3 +; X32-NEXT: [[TMP23:%.*]] = load i32, i32* [[TMP21]] +; X32-NEXT: [[TMP24:%.*]] = load i32, i32* [[TMP22]] +; X32-NEXT: [[TMP25:%.*]] = icmp ne i32 [[TMP23]], [[TMP24]] +; X32-NEXT: br i1 [[TMP25]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; X32: endblock: +; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB3]] ], [ 1, [[RES_BLOCK]] ] +; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 +; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 +; X32-NEXT: ret i32 [[CONV]] +; +; X64-LABEL: @cmp_eq16( +; X64-NEXT: loadbb: +; X64-NEXT: [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64* +; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64* +; X64-NEXT: [[TMP2:%.*]] = load i64, i64* [[TMP0]] +; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]] +; X64-NEXT: [[TMP4:%.*]] = icmp ne i64 [[TMP2]], [[TMP3]] +; X64-NEXT: br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]] +; X64: res_block: +; X64-NEXT: br label [[ENDBLOCK:%.*]] +; X64: loadbb1: +; X64-NEXT: [[TMP5:%.*]] = bitcast i8* [[X]] to i64* +; X64-NEXT: [[TMP6:%.*]] = bitcast i8* [[Y]] to i64* +; X64-NEXT: [[TMP7:%.*]] = getelementptr i64, i64* [[TMP5]], i64 1 +; X64-NEXT: [[TMP8:%.*]] = getelementptr i64, i64* [[TMP6]], i64 1 +; X64-NEXT: [[TMP9:%.*]] = load i64, i64* [[TMP7]] +; X64-NEXT: [[TMP10:%.*]] = load i64, i64* [[TMP8]] +; X64-NEXT: [[TMP11:%.*]] = icmp ne i64 [[TMP9]], [[TMP10]] +; X64-NEXT: br i1 [[TMP11]], label [[RES_BLOCK]], label [[ENDBLOCK]] +; X64: endblock: +; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ 1, [[RES_BLOCK]] ] +; X64-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0 +; X64-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32 +; X64-NEXT: ret i32 [[CONV]] ; %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 16) %cmp = icmp eq i32 %call, 0