1 ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -mattr=+sse2 -asm-instrumentation=address -asan-instrument-assembly | FileCheck %s 2 3 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 4 target 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 46 define void @rep_movs_1b(i8* %dst, i8* %src, i64 %n) #0 { 47 entry: 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 80 define void @rep_movs_8b(i64* %dst, i64* %src, i64 %n) #0 { 81 entry: 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 86 attributes #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" } 87 attributes #1 = { nounwind } 88
