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| author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2012-12-05 14:39:55 +0000 |
|---|---|---|
| committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2012-12-05 14:39:55 +0000 |
| commit | 1e3b656be52e94c523d5fdb5a586a62ec59c3c51 (patch) | |
| tree | 175995872d336c2e246de066c6d10149bf2800be /test/Instrumentation/MemorySanitizer/msan_basic.ll | |
| parent | 1b3fcf94a49fbbf0b1d0fb6086c3349c2092bd75 (diff) | |
| download | external_llvm-1e3b656be52e94c523d5fdb5a586a62ec59c3c51.zip external_llvm-1e3b656be52e94c523d5fdb5a586a62ec59c3c51.tar.gz external_llvm-1e3b656be52e94c523d5fdb5a586a62ec59c3c51.tar.bz2 | |
[msan] Instrument bswap intrinsic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169383 91177308-0d34-0410-b5e6-96231b3b80d8
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 |