1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s -check-prefix=X64 3 ; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s -check-prefix=X86 4 5 %struct.SA = type { i32 , i32 , i32 , i32 , i32}; 6 7 define void @foo(%struct.SA* nocapture %ctx, i32 %n) local_unnamed_addr #0 { 8 ; X64-LABEL: foo: 9 ; X64: # %bb.0: # %entry 10 ; X64-NEXT: .p2align 4, 0x90 11 ; X64-NEXT: .LBB0_1: # %loop 12 ; X64-NEXT: # =>This Inner Loop Header: Depth=1 13 ; X64-NEXT: movl (%rdi), %eax 14 ; X64-NEXT: movl 16(%rdi), %ecx 15 ; X64-NEXT: leal 1(%rax,%rcx), %edx 16 ; X64-NEXT: movl %edx, 12(%rdi) 17 ; X64-NEXT: decl %esi 18 ; X64-NEXT: jne .LBB0_1 19 ; X64-NEXT: # %bb.2: # %exit 20 ; X64-NEXT: addl %ecx, %eax 21 ; X64-NEXT: leal 1(%rcx,%rax), %eax 22 ; X64-NEXT: movl %eax, 16(%rdi) 23 ; X64-NEXT: retq 24 ; 25 ; X86-LABEL: foo: 26 ; X86: # %bb.0: # %entry 27 ; X86-NEXT: pushl %edi 28 ; X86-NEXT: .cfi_def_cfa_offset 8 29 ; X86-NEXT: pushl %esi 30 ; X86-NEXT: .cfi_def_cfa_offset 12 31 ; X86-NEXT: .cfi_offset %esi, -12 32 ; X86-NEXT: .cfi_offset %edi, -8 33 ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx 34 ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax 35 ; X86-NEXT: .p2align 4, 0x90 36 ; X86-NEXT: .LBB0_1: # %loop 37 ; X86-NEXT: # =>This Inner Loop Header: Depth=1 38 ; X86-NEXT: movl (%eax), %edx 39 ; X86-NEXT: movl 16(%eax), %esi 40 ; X86-NEXT: leal 1(%edx,%esi), %edi 41 ; X86-NEXT: movl %edi, 12(%eax) 42 ; X86-NEXT: decl %ecx 43 ; X86-NEXT: jne .LBB0_1 44 ; X86-NEXT: # %bb.2: # %exit 45 ; X86-NEXT: addl %esi, %edx 46 ; X86-NEXT: leal 1(%esi,%edx), %ecx 47 ; X86-NEXT: movl %ecx, 16(%eax) 48 ; X86-NEXT: popl %esi 49 ; X86-NEXT: .cfi_def_cfa_offset 8 50 ; X86-NEXT: popl %edi 51 ; X86-NEXT: .cfi_def_cfa_offset 4 52 ; X86-NEXT: retl 53 entry: 54 br label %loop 55 56 loop: 57 %iter = phi i32 [%n ,%entry ] ,[ %iter.ctr ,%loop] 58 %h0 = getelementptr inbounds %struct.SA, %struct.SA* %ctx, i64 0, i32 0 59 %0 = load i32, i32* %h0, align 8 60 %h3 = getelementptr inbounds %struct.SA, %struct.SA* %ctx, i64 0, i32 3 61 %h4 = getelementptr inbounds %struct.SA, %struct.SA* %ctx, i64 0, i32 4 62 %1 = load i32, i32* %h4, align 8 63 %add = add i32 %0, 1 64 %add4 = add i32 %add, %1 65 store i32 %add4, i32* %h3, align 4 66 %add29 = add i32 %add4, %1 67 %iter.ctr = sub i32 %iter , 1 68 %res = icmp ne i32 %iter.ctr , 0 69 br i1 %res , label %loop , label %exit 70 71 exit: 72 store i32 %add29, i32* %h4, align 8 73 ret void 74 } 75