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| author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2013-10-14 09:52:09 +0000 |
|---|---|---|
| committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2013-10-14 09:52:09 +0000 |
| commit | a0f6d1651b08254982244e18afcdd513ca34a3ca (patch) | |
| tree | 877837e5becf44ab7cde0f06a28da23243e70875 /test/Instrumentation | |
| parent | 55240a5ddbaebc44c9acb0353c18a394b06f348f (diff) | |
| download | external_llvm-a0f6d1651b08254982244e18afcdd513ca34a3ca.zip external_llvm-a0f6d1651b08254982244e18afcdd513ca34a3ca.tar.gz external_llvm-a0f6d1651b08254982244e18afcdd513ca34a3ca.tar.bz2 | |
[msan] Fix handling of scalar select of vectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192575 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Instrumentation')
| -rw-r--r-- | test/Instrumentation/MemorySanitizer/msan_basic.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/Instrumentation/MemorySanitizer/msan_basic.ll b/test/Instrumentation/MemorySanitizer/msan_basic.ll index 02c03ef..ad9c5d7 100644 --- a/test/Instrumentation/MemorySanitizer/msan_basic.ll +++ b/test/Instrumentation/MemorySanitizer/msan_basic.ll @@ -290,6 +290,25 @@ entry: ; CHECK-ORIGINS: ret <8 x i16> +; Check that we propagate origin for "select" with scalar condition and vector +; arguments. Select condition shadow is sign-extended to the vector type and +; mixed into the result shadow. + +define <8 x i16> @SelectVector2(<8 x i16> %a, <8 x i16> %b, i1 %c) nounwind uwtable readnone sanitize_memory { +entry: + %cond = select i1 %c, <8 x i16> %a, <8 x i16> %b + ret <8 x i16> %cond +} + +; CHECK: @SelectVector2 +; CHECK: select i1 +; CHECK: sext i1 {{.*}} to i128 +; CHECK: bitcast i128 {{.*}} to <8 x i16> +; CHECK: or <8 x i16> +; CHECK: select i1 +; CHECK: ret <8 x i16> + + define { i64, i64 } @SelectStruct(i1 zeroext %x, { i64, i64 } %a, { i64, i64 } %b) readnone sanitize_memory { entry: %c = select i1 %x, { i64, i64 } %a, { i64, i64 } %b |