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-rw-r--r--test/CodeGen/ppc64-varargs-struct.c30
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]+}}
+}
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