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| author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2013-09-03 10:04:11 +0000 |
|---|---|---|
| committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2013-09-03 10:04:11 +0000 |
| commit | 6a9b29ec9b42e792732659e510a655449a41b661 (patch) | |
| tree | 60a3a3a27a3ad139999b51dce96eb521c2cd417a /test/Instrumentation | |
| parent | fdb6a38913cc54e9523b1ee1aab2cc3be27ea4f7 (diff) | |
| download | llvm-6a9b29ec9b42e792732659e510a655449a41b661.tar.gz llvm-6a9b29ec9b42e792732659e510a655449a41b661.tar.bz2 llvm-6a9b29ec9b42e792732659e510a655449a41b661.tar.xz | |
[msan] Fix select instrumentation.
Select condition shadow was being ignored resulting in false negatives.
This change OR-s sign-extended condition shadow into the result shadow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189785 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Instrumentation')
| -rw-r--r-- | test/Instrumentation/MemorySanitizer/msan_basic.ll | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/Instrumentation/MemorySanitizer/msan_basic.ll b/test/Instrumentation/MemorySanitizer/msan_basic.ll index 345b070b53..466e2528dd 100644 --- a/test/Instrumentation/MemorySanitizer/msan_basic.ll +++ b/test/Instrumentation/MemorySanitizer/msan_basic.ll @@ -260,6 +260,8 @@ entry: ; CHECK: @Select ; CHECK: select +; CHECK-NEXT: sext i1 {{.*}} to i32 +; CHECK-NEXT: or i32 ; CHECK-NEXT: select ; CHECK: ret i32 @@ -274,6 +276,13 @@ entry: ret <8 x i16> %cond } +; CHECK: @SelectVector +; CHECK: select <8 x i1> +; CHECK-NEXT: sext <8 x i1> {{.*}} to <8 x i16> +; CHECK-NEXT: or <8 x i16> +; CHECK-NEXT: select <8 x i1> +; CHECK: ret <8 x i16> + ; CHECK-ORIGINS: @SelectVector ; CHECK-ORIGINS: bitcast <8 x i1> {{.*}} to i8 ; CHECK-ORIGINS: icmp ne i8 |