Index: llvm/trunk/test/CodeGen/X86/lea-opt-cse4.ll =================================================================== --- llvm/trunk/test/CodeGen/X86/lea-opt-cse4.ll +++ llvm/trunk/test/CodeGen/X86/lea-opt-cse4.ll @@ -0,0 +1,148 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s -check-prefix=X64 +; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s -check-prefix=X86 + +%struct.SA = type { i32 , i32 , i32 , i32 , i32}; + +define void @foo(%struct.SA* nocapture %ctx, i32 %n) local_unnamed_addr #0 { +; X64-LABEL: foo: +; X64: # BB#0: # %entry +; X64-NEXT: movl 16(%rdi), %eax +; X64-NEXT: movl (%rdi), %ecx +; X64-NEXT: addl %eax, %ecx +; X64-NEXT: addl %eax, %ecx +; X64-NEXT: addl %eax, %ecx +; X64-NEXT: leal (%rcx,%rax), %edx +; X64-NEXT: leal 1(%rax,%rcx), %ecx +; X64-NEXT: movl %ecx, 12(%rdi) +; X64-NEXT: leal 1(%rax,%rdx), %eax +; X64-NEXT: movl %eax, 16(%rdi) +; X64-NEXT: retq +; +; X86-LABEL: foo: +; X86: # BB#0: # %entry +; X86-NEXT: pushl %esi +; X86-NEXT: .Lcfi0: +; X86-NEXT: .cfi_def_cfa_offset 8 +; X86-NEXT: .Lcfi1: +; X86-NEXT: .cfi_offset %esi, -8 +; X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-NEXT: movl 16(%eax), %ecx +; X86-NEXT: movl (%eax), %edx +; X86-NEXT: addl %ecx, %edx +; X86-NEXT: addl %ecx, %edx +; X86-NEXT: addl %ecx, %edx +; X86-NEXT: leal 1(%ecx,%edx), %esi +; X86-NEXT: addl %ecx, %edx +; X86-NEXT: movl %esi, 12(%eax) +; X86-NEXT: leal 1(%ecx,%edx), %ecx +; X86-NEXT: movl %ecx, 16(%eax) +; X86-NEXT: popl %esi +; X86-NEXT: retl + entry: + %h0 = getelementptr inbounds %struct.SA, %struct.SA* %ctx, i64 0, i32 0 + %0 = load i32, i32* %h0, align 8 + %h3 = getelementptr inbounds %struct.SA, %struct.SA* %ctx, i64 0, i32 3 + %h4 = getelementptr inbounds %struct.SA, %struct.SA* %ctx, i64 0, i32 4 + %1 = load i32, i32* %h4, align 8 + %add = add i32 %0 , 1 + %add1 = add i32 %add, %1 + %add2 = add i32 %add1, %1 + %add3 = add i32 %add2, %1 + %add4 = add i32 %add3, %1 + store i32 %add4, i32* %h3, align 4 + %add29 = add i32 %add4, %1 + store i32 %add29, i32* %h4, align 8 + ret void +} + + + +define void @foo_loop(%struct.SA* nocapture %ctx, i32 %n) local_unnamed_addr #0 { +; X64-LABEL: foo_loop: +; X64: # BB#0: # %entry +; X64-NEXT: .p2align 4, 0x90 +; X64-NEXT: .LBB1_1: # %loop +; X64-NEXT: # =>This Inner Loop Header: Depth=1 +; X64-NEXT: movl (%rdi), %ecx +; X64-NEXT: movl 16(%rdi), %eax +; X64-NEXT: leal 1(%rcx,%rax), %edx +; X64-NEXT: movl %edx, 12(%rdi) +; X64-NEXT: decl %esi +; X64-NEXT: jne .LBB1_1 +; X64-NEXT: # BB#2: # %exit +; X64-NEXT: addl %eax, %ecx +; X64-NEXT: leal 1(%rax,%rcx), %ecx +; X64-NEXT: addl %eax, %ecx +; X64-NEXT: addl %eax, %ecx +; X64-NEXT: addl %eax, %ecx +; X64-NEXT: addl %eax, %ecx +; X64-NEXT: addl %eax, %ecx +; X64-NEXT: addl %eax, %ecx +; X64-NEXT: movl %ecx, 16(%rdi) +; X64-NEXT: retq +; +; X86-LABEL: foo_loop: +; X86: # BB#0: # %entry +; X86-NEXT: pushl %edi +; X86-NEXT: .Lcfi2: +; X86-NEXT: .cfi_def_cfa_offset 8 +; X86-NEXT: pushl %esi +; X86-NEXT: .Lcfi3: +; X86-NEXT: .cfi_def_cfa_offset 12 +; X86-NEXT: .Lcfi4: +; X86-NEXT: .cfi_offset %esi, -12 +; X86-NEXT: .Lcfi5: +; X86-NEXT: .cfi_offset %edi, -8 +; X86-NEXT: movl {{[0-9]+}}(%esp), %edx +; X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-NEXT: .p2align 4, 0x90 +; X86-NEXT: .LBB1_1: # %loop +; X86-NEXT: # =>This Inner Loop Header: Depth=1 +; X86-NEXT: movl (%eax), %esi +; X86-NEXT: movl 16(%eax), %ecx +; X86-NEXT: leal 1(%esi,%ecx), %edi +; X86-NEXT: movl %edi, 12(%eax) +; X86-NEXT: decl %edx +; X86-NEXT: jne .LBB1_1 +; X86-NEXT: # BB#2: # %exit +; X86-NEXT: addl %ecx, %esi +; X86-NEXT: leal 1(%ecx,%esi), %edx +; X86-NEXT: addl %ecx, %edx +; X86-NEXT: addl %ecx, %edx +; X86-NEXT: addl %ecx, %edx +; X86-NEXT: addl %ecx, %edx +; X86-NEXT: addl %ecx, %edx +; X86-NEXT: addl %ecx, %edx +; X86-NEXT: movl %edx, 16(%eax) +; X86-NEXT: popl %esi +; X86-NEXT: popl %edi +; X86-NEXT: retl + entry: + br label %loop + + loop: + %iter = phi i32 [%n ,%entry ] ,[ %iter.ctr ,%loop] + %h0 = getelementptr inbounds %struct.SA, %struct.SA* %ctx, i64 0, i32 0 + %0 = load i32, i32* %h0, align 8 + %h3 = getelementptr inbounds %struct.SA, %struct.SA* %ctx, i64 0, i32 3 + %h4 = getelementptr inbounds %struct.SA, %struct.SA* %ctx, i64 0, i32 4 + %1 = load i32, i32* %h4, align 8 + %add = add i32 %0, 1 + %add4 = add i32 %add, %1 + store i32 %add4, i32* %h3, align 4 + %add291 = add i32 %add4, %1 + %add292 = add i32 %add291, %1 + %add293 = add i32 %add292, %1 + %add294 = add i32 %add293, %1 + %add295 = add i32 %add294, %1 + %add296 = add i32 %add295, %1 + %add29 = add i32 %add296, %1 + %iter.ctr = sub i32 %iter , 1 + %res = icmp ne i32 %iter.ctr , 0 + br i1 %res , label %loop , label %exit + + exit: + store i32 %add29, i32* %h4, align 8 + ret void +}