diff options
Diffstat (limited to 'test/CodeGen/tbaa-struct.cpp')
| -rw-r--r-- | test/CodeGen/tbaa-struct.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/tbaa-struct.cpp b/test/CodeGen/tbaa-struct.cpp new file mode 100644 index 0000000..8b30aa0 --- /dev/null +++ b/test/CodeGen/tbaa-struct.cpp @@ -0,0 +1,17 @@ +// RUN: %clang_cc1 -emit-llvm -o - -O1 %s | FileCheck %s +// +// Check that we generate !tbaa.struct metadata for struct copies. +struct A { + short s; + int i; + char c; + int j; +}; + +void copy(struct A *a, struct A *b) { + *a = *b; +} + +// CHECK: target datalayout = "{{.*}}p:[[P:64|32]] +// CHECK: call void @llvm.memcpy.p0i8.p0i8.i[[P]](i8* %{{.*}}, i8* %{{.*}}, i[[P]] 16, i32 4, i1 false), !tbaa.struct [[TS:!.*]] +// CHECK: [[TS]] = metadata !{i64 0, i64 2, metadata !{{.*}}, i64 4, i64 4, metadata !{{.*}}, i64 8, i64 1, metadata !{{.*}}, i64 12, i64 4, metadata !{{.*}}} |
