diff options
Diffstat (limited to 'test/Instrumentation/MemorySanitizer/msan_basic.ll')
| -rw-r--r-- | test/Instrumentation/MemorySanitizer/msan_basic.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Instrumentation/MemorySanitizer/msan_basic.ll b/test/Instrumentation/MemorySanitizer/msan_basic.ll index 05cdaa7..a62b600 100644 --- a/test/Instrumentation/MemorySanitizer/msan_basic.ll +++ b/test/Instrumentation/MemorySanitizer/msan_basic.ll @@ -351,3 +351,19 @@ define <4 x i32> @ShuffleVector(<4 x i32> %vec, <4 x i32> %vec1) { ; CHECK-NOT: call void @__msan_warning ; CHECK: shufflevector ; CHECK: ret <4 x i32> + +; Test bswap intrinsic instrumentation +define i32 @BSwap(i32 %x) nounwind uwtable readnone { + %y = tail call i32 @llvm.bswap.i32(i32 %x) + ret i32 %y +} + +declare i32 @llvm.bswap.i32(i32) nounwind readnone + +; CHECK: @BSwap +; CHECK-NOT: call void @__msan_warning +; CHECK: @llvm.bswap.i32 +; CHECK-NOT: call void @__msan_warning +; CHECK: @llvm.bswap.i32 +; CHECK-NOT: call void @__msan_warning +; CHECK: ret i32 |