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authordim <dim@FreeBSD.org>2012-12-02 13:20:44 +0000
committerdim <dim@FreeBSD.org>2012-12-02 13:20:44 +0000
commit056abd2059c65a3e908193aeae16fad98017437c (patch)
tree2732d02d7d51218d6eed98ac7fcfc5b8794896b5 /test/CodeGen/tbaa-struct.cpp
parentcc73504950eb7b5dff2dded9bedd67bc36d64641 (diff)
downloadFreeBSD-src-056abd2059c65a3e908193aeae16fad98017437c.zip
FreeBSD-src-056abd2059c65a3e908193aeae16fad98017437c.tar.gz
Vendor import of clang release_32 branch r168974 (effectively, 3.2 RC2):
http://llvm.org/svn/llvm-project/cfe/branches/release_32@168974
Diffstat (limited to 'test/CodeGen/tbaa-struct.cpp')
-rw-r--r--test/CodeGen/tbaa-struct.cpp17
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 !{{.*}}}
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