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| author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2013-10-14 15:17:05 +0000 |
|---|---|---|
| committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2013-10-14 15:17:05 +0000 |
| commit | f1d9411c39d1efdfcbf3ea928198089e52123646 (patch) | |
| tree | 563cdbfb66216483836dd0dd23e400a93b866163 | |
| parent | c519335c2d6d32acaac32c0595f08a05081567e7 (diff) | |
| download | compiler-rt-f1d9411c39d1efdfcbf3ea928198089e52123646.tar.gz compiler-rt-f1d9411c39d1efdfcbf3ea928198089e52123646.tar.bz2 compiler-rt-f1d9411c39d1efdfcbf3ea928198089e52123646.tar.xz | |
[msan] Test for r192599.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@192600 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/msan/lit_tests/vector_cvt.cc | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/msan/lit_tests/vector_cvt.cc b/lib/msan/lit_tests/vector_cvt.cc new file mode 100644 index 00000000..c200c77d --- /dev/null +++ b/lib/msan/lit_tests/vector_cvt.cc @@ -0,0 +1,23 @@ +// RUN: %clangxx_msan -m64 -O0 %s -o %t && %t +// RUN: %clangxx_msan -DPOSITIVE -m64 -O0 %s -o %t && not %t 2>&1 | FileCheck %s + +#include <emmintrin.h> + +int to_int(double v) { + __m128d t = _mm_set_sd(v); + int x = _mm_cvtsd_si32(t); + return x; + // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value + // CHECK: #{{.*}} in to_int{{.*}}vector_cvt.cc:[[@LINE-4]] +} + +int main() { +#ifdef POSITIVE + double v; +#else + double v = 1.1; +#endif + double* volatile p = &v; + int x = to_int(*p); + return !x; +} |