1 files changed, 87 insertions, 0 deletions
diff --git a/test/Instrumentation/AddressSanitizer/X86/asm_rep_movs.ll b/test/Instrumentation/AddressSanitizer/X86/asm_rep_movs.ll
new file mode 100644
index 0000000..c3c2435
--- /dev/null
+++ b/test/Instrumentation/AddressSanitizer/X86/asm_rep_movs.ll
@@ -0,0 +1,87 @@
+; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -mattr=+sse2 -asm-instrumentation=address -asan-instrument-assembly | FileCheck %s
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+; CHECK-LABEL: rep_movs_1b
+; CHECK: pushfq
+; CHECK-NEXT: testq %rcx, %rcx
+; CHECK-NEXT: je [[B:.*]]
+
+; CHECK: leaq -128(%rsp), %rsp
+; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: pushq %rdx
+; CHECK-NEXT: pushq %rbx
+; CHECK-NEXT: pushfq
+
+; CHECK: leaq (%rsi), %rdx
+; CHECK: movq %rdx, %rdi
+; CHECK-NEXT: callq __asan_report_load1@PLT
+
+; CHECK: leaq -1(%rsi,%rcx), %rdx
+; CHECK: movq %rdx, %rdi
+; CHECK-NEXT: callq __asan_report_load1@PLT
+
+; CHECK: leaq (%rdi), %rdx
+; CHECK: movq %rdx, %rdi
+; CHECK-NEXT: callq __asan_report_store1@PLT
+
+; CHECK: leaq -1(%rdi,%rcx), %rdx
+; CHECK: movq %rdx, %rdi
+; CHECK-NEXT: callq __asan_report_store1@PLT
+
+; CHECK: popfq
+; CHECK-NEXT: popq %rbx
+; CHECK-NEXT: popq %rdx
+; CHECK-NEXT: popq %rax
+; CHECK-NEXT: leaq 128(%rsp), %rsp
+
+; CHECK: [[B]]:
+; CHECK-NEXT: popfq
+
+; CHECK: rep
+; CHECK-NEXT: movsb (%rsi), %es:(%rdi)
+
+; Function Attrs: nounwind sanitize_address uwtable
+define void @rep_movs_1b(i8* %dst, i8* %src, i64 %n) #0 {
+entry:
+  tail call void asm sideeffect "rep movsb \0A\09", "{si},{di},{cx},~{memory},~{dirflag},~{fpsr},~{flags}"(i8* %src, i8* %dst, i64 %n) #1
+  ret void
+}
+
+; CHECK-LABEL: rep_movs_8b
+; CHECK: pushfq
+; CHECK-NEXT: testq %rcx, %rcx
+; CHECK-NEXT: je [[Q:.*]]
+
+; CHECK: leaq (%rsi), %rdx
+; CHECK: movq %rdx, %rdi
+; CHECK-NEXT: callq __asan_report_load8@PLT
+
+; CHECK: leaq -1(%rsi,%rcx,8), %rdx
+; CHECK: movq %rdx, %rdi
+; CHECK-NEXT: callq __asan_report_load8@PLT
+
+; CHECK: leaq (%rdi), %rdx
+; CHECK: movq %rdx, %rdi
+; CHECK-NEXT: callq __asan_report_store8@PLT
+
+; CHECK: leaq -1(%rdi,%rcx,8), %rdx
+; CHECK: movq %rdx, %rdi
+; CHECK-NEXT: callq __asan_report_store8@PLT
+
+; CHECK: [[Q]]:
+; CHECK-NEXT: popfq
+
+; CHECK: rep
+; CHECK-NEXT: movsq (%rsi), %es:(%rdi)
+
+; Function Attrs: nounwind sanitize_address uwtable
+define void @rep_movs_8b(i64* %dst, i64* %src, i64 %n) #0 {
+entry:
+  tail call void asm sideeffect "rep movsq \0A\09", "{si},{di},{cx},~{memory},~{dirflag},~{fpsr},~{flags}"(i64* %src, i64* %dst, i64 %n) #1
+  ret void
+}
+
+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" }
+attributes #1 = { nounwind }