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author | Alexey Samsonov <samsonov@google.com> | 2014-02-14 13:02:58 +0000 |
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committer | Alexey Samsonov <samsonov@google.com> | 2014-02-14 13:02:58 +0000 |
commit | 5811f0e1e955866b76b0d9ebeccd2e4755c1dac8 (patch) | |
tree | 399a8d23e1b6d907d939583bf1fa2bd6fa1c5b79 /test/msan/insertvalue_origin.cc | |
parent | 3693bfe278d42da3891257b86c541e85fa9dec73 (diff) |
Move MSan lit-tests under test/msan
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@201412 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/msan/insertvalue_origin.cc')
-rw-r--r-- | test/msan/insertvalue_origin.cc | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/msan/insertvalue_origin.cc b/test/msan/insertvalue_origin.cc new file mode 100644 index 000000000..769ea45f8 --- /dev/null +++ b/test/msan/insertvalue_origin.cc @@ -0,0 +1,35 @@ +// RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O0 %s -o %t && not %t >%t.out 2>&1 +// RUN: FileCheck %s < %t.out && FileCheck %s < %t.out +// RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O3 %s -o %t && not %t >%t.out 2>&1 +// RUN: FileCheck %s < %t.out && FileCheck %s < %t.out + +// Test origin propagation through insertvalue IR instruction. + +#include <stdio.h> +#include <stdint.h> + +struct mypair { + int64_t x; + int y; +}; + +mypair my_make_pair(int64_t x, int y) { + mypair p; + p.x = x; + p.y = y; + return p; +} + +int main() { + int64_t * volatile p = new int64_t; + mypair z = my_make_pair(*p, 0); + if (z.x) + printf("zzz\n"); + // CHECK: MemorySanitizer: use-of-uninitialized-value + // CHECK: {{in main .*insertvalue_origin.cc:}}[[@LINE-3]] + + // CHECK: Uninitialized value was created by a heap allocation + // CHECK: {{in main .*insertvalue_origin.cc:}}[[@LINE-8]] + delete p; + return 0; +} |