; 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: .cfi_def_cfa_offset 8 ; 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: .cfi_def_cfa_offset 8 ; X86-NEXT: pushl %esi ; X86-NEXT: .cfi_def_cfa_offset 12 ; X86-NEXT: .cfi_offset %esi, -12 ; 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 }