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Differential D35844 Diff 119589 test/CodeGen/X86/imul.ll

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test/CodeGen/X86/imul.ll

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; X86-NEXT: shll $5, %esi ; X86-NEXT: shll $5, %esi
; X86-NEXT: subl %eax, %esi ; X86-NEXT: subl %eax, %esi
; X86-NEXT: movl $-31, %edx ; X86-NEXT: movl $-31, %edx
; X86-NEXT: movl %ecx, %eax ; X86-NEXT: movl %ecx, %eax
; X86-NEXT: mull %edx ; X86-NEXT: mull %edx
; X86-NEXT: subl %ecx, %edx ; X86-NEXT: subl %ecx, %edx
; X86-NEXT: subl %esi, %edx ; X86-NEXT: subl %esi, %edx
; X86-NEXT: popl %esi ; X86-NEXT: popl %esi
; X86-NEXT: .Lcfi2:
; X86-NEXT: .cfi_def_cfa_offset 4
; X86-NEXT: retl ; X86-NEXT: retl
entry: entry:
%tmp3 = mul i64 %a, -31 %tmp3 = mul i64 %a, -31
ret i64 %tmp3 ret i64 %tmp3
} }
define i64 @test6(i64 %a) { define i64 @test6(i64 %a) {
Show All 26 Lines
; X64-NEXT: shlq $5, %rax ; X64-NEXT: shlq $5, %rax
; X64-NEXT: leaq (%rax,%rdi), %rax ; X64-NEXT: leaq (%rax,%rdi), %rax
; X64-NEXT: negq %rax ; X64-NEXT: negq %rax
; X64-NEXT: retq ; X64-NEXT: retq
; ;
; X86-LABEL: test7: ; X86-LABEL: test7:
; X86: # BB#0: # %entry ; X86: # BB#0: # %entry
; X86-NEXT: pushl %esi ; X86-NEXT: pushl %esi
; X86-NEXT: .Lcfi2:
; X86-NEXT: .cfi_def_cfa_offset 8
; X86-NEXT: .Lcfi3: ; X86-NEXT: .Lcfi3:
; X86-NEXT: .cfi_def_cfa_offset 8
; X86-NEXT: .Lcfi4:
; X86-NEXT: .cfi_offset %esi, -8 ; X86-NEXT: .cfi_offset %esi, -8
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movl %eax, %esi ; X86-NEXT: movl %eax, %esi
; X86-NEXT: shll $5, %esi ; X86-NEXT: shll $5, %esi
; X86-NEXT: addl %eax, %esi ; X86-NEXT: addl %eax, %esi
; X86-NEXT: movl $-33, %edx ; X86-NEXT: movl $-33, %edx
; X86-NEXT: movl %ecx, %eax ; X86-NEXT: movl %ecx, %eax
; X86-NEXT: mull %edx ; X86-NEXT: mull %edx
; X86-NEXT: subl %ecx, %edx ; X86-NEXT: subl %ecx, %edx
; X86-NEXT: subl %esi, %edx ; X86-NEXT: subl %esi, %edx
; X86-NEXT: popl %esi ; X86-NEXT: popl %esi
; X86-NEXT: .Lcfi5:
; X86-NEXT: .cfi_def_cfa_offset 4
; X86-NEXT: retl ; X86-NEXT: retl
entry: entry:
%tmp3 = mul i64 %a, -33 %tmp3 = mul i64 %a, -33
ret i64 %tmp3 ret i64 %tmp3
} }
define i64 @testOverflow(i64 %a) { define i64 @testOverflow(i64 %a) {
; X64-LABEL: testOverflow: ; X64-LABEL: testOverflow:
; X64: # BB#0: # %entry ; X64: # BB#0: # %entry
; X64-NEXT: movabsq $9223372036854775807, %rax # imm = 0x7FFFFFFFFFFFFFFF ; X64-NEXT: movabsq $9223372036854775807, %rax # imm = 0x7FFFFFFFFFFFFFFF
; X64-NEXT: imulq %rdi, %rax ; X64-NEXT: imulq %rdi, %rax
; X64-NEXT: retq ; X64-NEXT: retq
; ;
; X86-LABEL: testOverflow: ; X86-LABEL: testOverflow:
; X86: # BB#0: # %entry ; X86: # BB#0: # %entry
; X86-NEXT: pushl %esi ; X86-NEXT: pushl %esi
; X86-NEXT: .Lcfi4: ; X86-NEXT: .Lcfi6:
; X86-NEXT: .cfi_def_cfa_offset 8 ; X86-NEXT: .cfi_def_cfa_offset 8
; X86-NEXT: .Lcfi5: ; X86-NEXT: .Lcfi7:
; X86-NEXT: .cfi_offset %esi, -8 ; X86-NEXT: .cfi_offset %esi, -8
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: movl $-1, %edx ; X86-NEXT: movl $-1, %edx
; X86-NEXT: movl %ecx, %eax ; X86-NEXT: movl %ecx, %eax
; X86-NEXT: mull %edx ; X86-NEXT: mull %edx
; X86-NEXT: movl %ecx, %esi ; X86-NEXT: movl %ecx, %esi
; X86-NEXT: shll $31, %esi ; X86-NEXT: shll $31, %esi
; X86-NEXT: subl %ecx, %esi ; X86-NEXT: subl %ecx, %esi
; X86-NEXT: addl %esi, %edx ; X86-NEXT: addl %esi, %edx
; X86-NEXT: subl {{[0-9]+}}(%esp), %edx ; X86-NEXT: subl {{[0-9]+}}(%esp), %edx
; X86-NEXT: popl %esi ; X86-NEXT: popl %esi
; X86-NEXT: .Lcfi8:
; X86-NEXT: .cfi_def_cfa_offset 4
; X86-NEXT: retl ; X86-NEXT: retl
entry: entry:
%tmp3 = mul i64 %a, 9223372036854775807 %tmp3 = mul i64 %a, 9223372036854775807
ret i64 %tmp3 ret i64 %tmp3
} }