forked from OSchip/llvm-project
88 lines
2.5 KiB
LLVM
88 lines
2.5 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -mattr=+sse2 -asm-instrumentation=address -asan-instrument-assembly | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; CHECK-LABEL: rep_movs_1b
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; CHECK: pushfq
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; CHECK-NEXT: testq %rcx, %rcx
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; CHECK-NEXT: je [[B:.*]]
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; CHECK: leaq -128(%rsp), %rsp
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: pushq %rdx
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; CHECK-NEXT: pushq %rbx
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; CHECK-NEXT: pushfq
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; CHECK: leaq (%rsi), %rdx
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; CHECK: movq %rdx, %rdi
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; CHECK-NEXT: callq __asan_report_load1@PLT
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; CHECK: leaq -1(%rsi,%rcx), %rdx
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; CHECK: movq %rdx, %rdi
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; CHECK-NEXT: callq __asan_report_load1@PLT
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; CHECK: leaq (%rdi), %rdx
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; CHECK: movq %rdx, %rdi
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; CHECK-NEXT: callq __asan_report_store1@PLT
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; CHECK: leaq -1(%rdi,%rcx), %rdx
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; CHECK: movq %rdx, %rdi
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; CHECK-NEXT: callq __asan_report_store1@PLT
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; CHECK: popfq
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; CHECK-NEXT: popq %rbx
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; CHECK-NEXT: popq %rdx
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: leaq 128(%rsp), %rsp
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; CHECK: [[B]]:
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; CHECK-NEXT: popfq
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; CHECK: rep
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; CHECK-NEXT: movsb (%rsi), %es:(%rdi)
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; Function Attrs: nounwind sanitize_address uwtable
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define void @rep_movs_1b(i8* %dst, i8* %src, i64 %n) #0 {
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entry:
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tail call void asm sideeffect "rep movsb \0A\09", "{si},{di},{cx},~{memory},~{dirflag},~{fpsr},~{flags}"(i8* %src, i8* %dst, i64 %n) #1
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ret void
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}
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; CHECK-LABEL: rep_movs_8b
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; CHECK: pushfq
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; CHECK-NEXT: testq %rcx, %rcx
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; CHECK-NEXT: je [[Q:.*]]
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; CHECK: leaq (%rsi), %rdx
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; CHECK: movq %rdx, %rdi
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; CHECK-NEXT: callq __asan_report_load8@PLT
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; CHECK: leaq -1(%rsi,%rcx,8), %rdx
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; CHECK: movq %rdx, %rdi
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; CHECK-NEXT: callq __asan_report_load8@PLT
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; CHECK: leaq (%rdi), %rdx
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; CHECK: movq %rdx, %rdi
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; CHECK-NEXT: callq __asan_report_store8@PLT
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; CHECK: leaq -1(%rdi,%rcx,8), %rdx
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; CHECK: movq %rdx, %rdi
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; CHECK-NEXT: callq __asan_report_store8@PLT
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; CHECK: [[Q]]:
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; CHECK-NEXT: popfq
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; CHECK: rep
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; CHECK-NEXT: movsq (%rsi), %es:(%rdi)
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; Function Attrs: nounwind sanitize_address uwtable
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define void @rep_movs_8b(i64* %dst, i64* %src, i64 %n) #0 {
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entry:
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tail call void asm sideeffect "rep movsq \0A\09", "{si},{di},{cx},~{memory},~{dirflag},~{fpsr},~{flags}"(i64* %src, i64* %dst, i64 %n) #1
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ret void
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}
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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" }
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attributes #1 = { nounwind }
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