diff options
Diffstat (limited to 'test/Instrumentation/MemorySanitizer/missing_origin.ll')
| -rw-r--r-- | test/Instrumentation/MemorySanitizer/missing_origin.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/Instrumentation/MemorySanitizer/missing_origin.ll b/test/Instrumentation/MemorySanitizer/missing_origin.ll index 673e853..f7385b9 100644 --- a/test/Instrumentation/MemorySanitizer/missing_origin.ll +++ b/test/Instrumentation/MemorySanitizer/missing_origin.ll @@ -17,3 +17,17 @@ entry: ; CHECK: [[A:%.*]] = load i32* {{.*}}@__msan_param_origin_tls, ; CHECK: store i32 [[A]], i32* @__msan_retval_origin_tls ; CHECK: ret <4 x i32> + + +; Regression test for origin propagation in "select i1, float, float". +; https://code.google.com/p/memory-sanitizer/issues/detail?id=78 + +define float @SelectFloat(i1 %b, float %x, float %y) nounwind uwtable sanitize_memory { +entry: + %z = select i1 %b, float %x, float %y + ret float %z +} + +; CHECK-LABEL: @SelectFloat( +; CHECK-NOT: select {{.*}} i32 0, i32 0 +; CHECK: ret float |