From 3832bfd5575371c09c438a8fb7e7fb054686e705 Mon Sep 17 00:00:00 2001
From: Guy Benyei <guy.benyei@intel.com>
Date: Sun, 10 Mar 2013 12:59:00 +0000
Subject: Fix indirect byval passing of records in address spaced memory.
 Allocate memory on stack, and memcpy the actual value before the call.

llvm-svn: 176786
---
 clang/test/CodeGenOpenCL/addr-space-struct-arg.cl | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 clang/test/CodeGenOpenCL/addr-space-struct-arg.cl

(limited to 'clang/test/CodeGenOpenCL/addr-space-struct-arg.cl')

diff --git a/clang/test/CodeGenOpenCL/addr-space-struct-arg.cl b/clang/test/CodeGenOpenCL/addr-space-struct-arg.cl
new file mode 100644
index 00000000000..f04923d39c5
--- /dev/null
+++ b/clang/test/CodeGenOpenCL/addr-space-struct-arg.cl
@@ -0,0 +1,23 @@
+// RUN: %clang_cc1 %s -emit-llvm -o - -O0 -ffake-address-space-map -triple i686-pc-darwin | FileCheck %s
+
+typedef struct {
+  int cells[9];
+} Mat3X3;
+
+typedef struct {
+  int cells[16];
+} Mat4X4;
+
+Mat4X4 __attribute__((noinline)) foo(Mat3X3 in) {
+  Mat4X4 out;
+  return out;
+}
+
+kernel void ker(global Mat3X3 *in, global Mat4X4 *out) {
+  out[0] = foo(in[1]);
+}
+
+// Expect two mem copies: one for the argument "in", and one for
+// the return value.
+// CHECK: call void @llvm.memcpy.p0i8.p1i8.i32(i8*
+// CHECK: call void @llvm.memcpy.p1i8.p0i8.i32(i8 addrspace(1)*
-- 
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