Use multiple filecheck prefixes in msan instrumentation tests.

llvm-svn: 195342

1 files changed, 28 insertions, 0 deletions

diff --git a/llvm/test/Instrumentation/MemorySanitizer/check_access_address.ll b/llvm/test/Instrumentation/MemorySanitizer/check_access_address.ll
new file mode 100644
index 00000000000..566022600ea
--- /dev/null
+++ b/llvm/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