Vendor import of clang release_32 branch r168974 (effectively, 3.2 RC2):

http://llvm.org/svn/llvm-project/cfe/branches/release_32@168974

1 files changed, 30 insertions, 0 deletions

diff --git a/test/CodeGen/ppc64-varargs-struct.c b/test/CodeGen/ppc64-varargs-struct.c
new file mode 100644
index 0000000..61c33b0
--- /dev/null
+++ b/test/CodeGen/ppc64-varargs-struct.c
@@ -0,0 +1,30 @@
+// REQUIRES: ppc64-registered-target
+// RUN: %clang_cc1 -triple powerpc64-unknown-linux-gnu -emit-llvm -o - %s | FileCheck %s
+
+#include <stdarg.h>
+
+struct x {
+  long a;
+  double b;
+};
+
+void testva (int n, ...)
+{
+  va_list ap;
+
+  struct x t = va_arg (ap, struct x);
+// CHECK: bitcast i8* %{{[a-z.0-9]*}} to %struct.x*
+// CHECK: bitcast %struct.x* %t to i8*
+// CHECK: bitcast %struct.x* %{{[0-9]+}} to i8*
+// CHECK: call void @llvm.memcpy
+
+  int v = va_arg (ap, int);
+// CHECK: ptrtoint i8* %{{[a-z.0-9]*}} to i64
+// CHECK: add i64 %{{[0-9]+}}, 4
+// CHECK: inttoptr i64 %{{[0-9]+}} to i8*
+// CHECK: bitcast i8* %{{[0-9]+}} to i32*
+
+  __int128_t u = va_arg (ap, __int128_t);
+// CHECK: bitcast i8* %{{[a-z.0-9]+}} to i128*
+// CHECK-NEXT: load i128* %{{[0-9]+}}
+}