1; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -mattr=+sse2 -asm-instrumentation=address -asan-instrument-assembly | FileCheck %s 2 3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 4target triple = "x86_64-unknown-linux-gnu" 5 6; CHECK-LABEL: rep_movs_1b 7; CHECK: pushfq 8; CHECK-NEXT: testq %rcx, %rcx 9; CHECK-NEXT: je [[B:.*]] 10 11; CHECK: leaq -128(%rsp), %rsp 12; CHECK-NEXT: pushq %rax 13; CHECK-NEXT: pushq %rdx 14; CHECK-NEXT: pushq %rbx 15; CHECK-NEXT: pushfq 16 17; CHECK: leaq (%rsi), %rdx 18; CHECK: movq %rdx, %rdi 19; CHECK-NEXT: callq __asan_report_load1@PLT 20 21; CHECK: leaq -1(%rsi,%rcx), %rdx 22; CHECK: movq %rdx, %rdi 23; CHECK-NEXT: callq __asan_report_load1@PLT 24 25; CHECK: leaq (%rdi), %rdx 26; CHECK: movq %rdx, %rdi 27; CHECK-NEXT: callq __asan_report_store1@PLT 28 29; CHECK: leaq -1(%rdi,%rcx), %rdx 30; CHECK: movq %rdx, %rdi 31; CHECK-NEXT: callq __asan_report_store1@PLT 32 33; CHECK: popfq 34; CHECK-NEXT: popq %rbx 35; CHECK-NEXT: popq %rdx 36; CHECK-NEXT: popq %rax 37; CHECK-NEXT: leaq 128(%rsp), %rsp 38 39; CHECK: [[B]]: 40; CHECK-NEXT: popfq 41 42; CHECK: rep 43; CHECK-NEXT: movsb (%rsi), %es:(%rdi) 44 45; Function Attrs: nounwind sanitize_address uwtable 46define void @rep_movs_1b(i8* %dst, i8* %src, i64 %n) #0 { 47entry: 48 tail call void asm sideeffect "rep movsb \0A\09", "{si},{di},{cx},~{memory},~{dirflag},~{fpsr},~{flags}"(i8* %src, i8* %dst, i64 %n) #1 49 ret void 50} 51 52; CHECK-LABEL: rep_movs_8b 53; CHECK: pushfq 54; CHECK-NEXT: testq %rcx, %rcx 55; CHECK-NEXT: je [[Q:.*]] 56 57; CHECK: leaq (%rsi), %rdx 58; CHECK: movq %rdx, %rdi 59; CHECK-NEXT: callq __asan_report_load8@PLT 60 61; CHECK: leaq -1(%rsi,%rcx,8), %rdx 62; CHECK: movq %rdx, %rdi 63; CHECK-NEXT: callq __asan_report_load8@PLT 64 65; CHECK: leaq (%rdi), %rdx 66; CHECK: movq %rdx, %rdi 67; CHECK-NEXT: callq __asan_report_store8@PLT 68 69; CHECK: leaq -1(%rdi,%rcx,8), %rdx 70; CHECK: movq %rdx, %rdi 71; CHECK-NEXT: callq __asan_report_store8@PLT 72 73; CHECK: [[Q]]: 74; CHECK-NEXT: popfq 75 76; CHECK: rep 77; CHECK-NEXT: movsq (%rsi), %es:(%rdi) 78 79; Function Attrs: nounwind sanitize_address uwtable 80define void @rep_movs_8b(i64* %dst, i64* %src, i64 %n) #0 { 81entry: 82 tail call void asm sideeffect "rep movsq \0A\09", "{si},{di},{cx},~{memory},~{dirflag},~{fpsr},~{flags}"(i64* %src, i64* %dst, i64 %n) #1 83 ret void 84} 85 86attributes #0 = { nounwind sanitize_address uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 87attributes #1 = { nounwind } 88