1 files changed, 38 insertions, 0 deletions
diff --git a/clang/test/CodeGen/address-space-field1.c b/clang/test/CodeGen/address-space-field1.c
new file mode 100644
index 0000000..e9c1871
--- /dev/null
+++ b/clang/test/CodeGen/address-space-field1.c
@@ -0,0 +1,38 @@
+// RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin10 < %s -o - | FileCheck %s
+// CHECK:%struct.S = type { i32, i32 }
+// CHECK:define void @test_addrspace(%struct.S addrspace(1)* %p1, %struct.S addrspace(2)* %p2) nounwind
+// CHECK:  [[p1addr:%.*]] = alloca %struct.S addrspace(1)*
+// CHECK:  [[p2addr:%.*]] = alloca %struct.S addrspace(2)*
+// CHECK:  store %struct.S addrspace(1)* %p1, %struct.S addrspace(1)** [[p1addr]]
+// CHECK:  store %struct.S addrspace(2)* %p2, %struct.S addrspace(2)** [[p2addr]]
+// CHECK:  [[t0:%.*]] = load %struct.S addrspace(2)** [[p2addr]], align 8 
+// CHECK:  [[t1:%.*]] = getelementptr inbounds %struct.S addrspace(2)* [[t0]], i32 0, i32 1
+// CHECK:  [[t2:%.*]] = load i32 addrspace(2)* [[t1]], align 4
+// CHECK:  [[t3:%.*]] = load %struct.S addrspace(1)** [[p1addr]], align 8  
+// CHECK:  [[t4:%.*]] = getelementptr inbounds %struct.S addrspace(1)* [[t3]], i32 0, i32 0 
+// CHECK:  store i32 [[t2]], i32 addrspace(1)* [[t4]], align 4
+// CHECK:  [[t5:%.*]] = load %struct.S addrspace(2)** [[p2addr]], align 8  
+// CHECK:  [[t6:%.*]] = getelementptr inbounds %struct.S addrspace(2)* [[t5]], i32 0, i32 0 
+// CHECK:  [[t7:%.*]] = load i32 addrspace(2)* [[t6]], align 4            
+// CHECK:  [[t8:%.*]] = load %struct.S addrspace(1)** [[p1addr]], align 8  
+// CHECK:  [[t9:%.*]] = getelementptr inbounds %struct.S addrspace(1)* [[t8]], i32 0, i32 1 
+// CHECK:  store i32 [[t7]], i32 addrspace(1)* [[t9]], align 4
+// CHECK:  ret void
+// CHECK:}
+
+// Check that we don't lose the address space when accessing a member
+// of a structure.
+
+#define __addr1    __attribute__((address_space(1)))
+#define __addr2    __attribute__((address_space(2)))
+
+typedef struct S {
+  int a;
+  int b;
+} S;
+
+void test_addrspace(__addr1 S* p1, __addr2 S*p2) {
+  // swap
+  p1->a = p2->b;
+  p1->b = p2->a;
+}