diff options
Diffstat (limited to 'test/Instrumentation/MemorySanitizer/msan_basic.ll')
| -rw-r--r-- | test/Instrumentation/MemorySanitizer/msan_basic.ll | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/test/Instrumentation/MemorySanitizer/msan_basic.ll b/test/Instrumentation/MemorySanitizer/msan_basic.ll index 2346d75f8e..8d729d6d41 100644 --- a/test/Instrumentation/MemorySanitizer/msan_basic.ll +++ b/test/Instrumentation/MemorySanitizer/msan_basic.ll @@ -235,6 +235,53 @@ entry: ; CHECK: } +; Check that we propagate shadow for x<0, x>=0, etc (i.e. sign bit tests) + +define zeroext i1 @ICmpSLT(i32 %x) nounwind uwtable readnone { + %1 = icmp slt i32 %x, 0 + ret i1 %1 +} + +; CHECK: define zeroext i1 @ICmpSLT +; CHECK: icmp slt +; CHECK: icmp slt +; CHECK-NOT: br +; CHECK: } + +define zeroext i1 @ICmpSGE(i32 %x) nounwind uwtable readnone { + %1 = icmp sge i32 %x, 0 + ret i1 %1 +} + +; CHECK: define zeroext i1 @ICmpSGE +; CHECK: icmp slt +; CHECK: icmp sge +; CHECK-NOT: br +; CHECK: } + +define zeroext i1 @ICmpSGT(i32 %x) nounwind uwtable readnone { + %1 = icmp sgt i32 0, %x + ret i1 %1 +} + +; CHECK: define zeroext i1 @ICmpSGT +; CHECK: icmp slt +; CHECK: icmp sgt +; CHECK-NOT: br +; CHECK: } + +define zeroext i1 @ICmpSLE(i32 %x) nounwind uwtable readnone { + %1 = icmp sle i32 0, %x + ret i1 %1 +} + +; CHECK: define zeroext i1 @ICmpSLE +; CHECK: icmp slt +; CHECK: icmp sle +; CHECK-NOT: br +; CHECK: } + + ; Check that loads from shadow have the same aligment as the original loads. define i32 @ShadowLoadAlignmentLarge() nounwind uwtable { |