diff options
Diffstat (limited to 'test/Instrumentation/MemorySanitizer/check_access_address.ll')
| -rw-r--r-- | test/Instrumentation/MemorySanitizer/check_access_address.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/Instrumentation/MemorySanitizer/check_access_address.ll b/test/Instrumentation/MemorySanitizer/check_access_address.ll new file mode 100644 index 0000000000..566022600e --- /dev/null +++ b/test/Instrumentation/MemorySanitizer/check_access_address.ll @@ -0,0 +1,28 @@ +; RUN: opt < %s -msan -msan-check-access-address=1 -S | FileCheck %s + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + + +; Test byval argument shadow alignment + +define <2 x i64> @ByValArgumentShadowLargeAlignment(<2 x i64>* byval %p) sanitize_memory { +entry: + %x = load <2 x i64>* %p + ret <2 x i64> %x +} + +; CHECK: @ByValArgumentShadowLargeAlignment +; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}}, i8* {{.*}}, i64 16, i32 8, i1 false) +; CHECK: ret <2 x i64> + + +define i16 @ByValArgumentShadowSmallAlignment(i16* byval %p) sanitize_memory { +entry: + %x = load i16* %p + ret i16 %x +} + +; CHECK: @ByValArgumentShadowSmallAlignment +; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}}, i8* {{.*}}, i64 2, i32 2, i1 false) +; CHECK: ret i16 |