Add more tests for OpenCL atomic builtin functions

Add tests for different address spaces and insert some blank lines to make them more readable.

Differential Revision: https://reviews.llvm.org/D37742

llvm-svn: 313172
diff --git a/clang/test/CodeGenOpenCL/atomic-ops-libcall.cl b/clang/test/CodeGenOpenCL/atomic-ops-libcall.cl
index 2281e2c..a6f7e14 100644
--- a/clang/test/CodeGenOpenCL/atomic-ops-libcall.cl
+++ b/clang/test/CodeGenOpenCL/atomic-ops-libcall.cl
@@ -18,39 +18,64 @@
 #endif
 } memory_scope;
 
-void f(atomic_int *i, atomic_uint *ui, int cmp, int order, int scope) {
+void f(atomic_int *i, global atomic_int *gi, local atomic_int *li, private atomic_int *pi, atomic_uint *ui, int cmp, int order, int scope) {
   int x;
   // SPIR: {{%[^ ]*}} = call i32 @__opencl_atomic_load_4(i8 addrspace(4)* {{%[0-9]+}}, i32 5, i32 1)
   // ARM: {{%[^ ]*}} = call i32 @__opencl_atomic_load_4(i8* {{%[0-9]+}}, i32 5, i32 1)
   x = __opencl_atomic_load(i, memory_order_seq_cst, memory_scope_work_group);
+
   // SPIR: call void @__opencl_atomic_store_4(i8 addrspace(4)* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 1)
   // ARM: call void @__opencl_atomic_store_4(i8* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 1)
   __opencl_atomic_store(i, 1, memory_order_seq_cst, memory_scope_work_group);
+
+  // SPIR: %[[GP:[0-9]+]] = addrspacecast i8 addrspace(1)* {{%[0-9]+}} to i8 addrspace(4)*
+  // SPIR: call void @__opencl_atomic_store_4(i8 addrspace(4)* %[[GP]], i32 {{%[0-9]+}}, i32 5, i32 1)
+  // ARM: call void @__opencl_atomic_store_4(i8* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 1)
+  __opencl_atomic_store(gi, 1, memory_order_seq_cst, memory_scope_work_group);
+
+  // SPIR: %[[GP:[0-9]+]] = addrspacecast i8 addrspace(3)* {{%[0-9]+}} to i8 addrspace(4)*
+  // SPIR: call void @__opencl_atomic_store_4(i8 addrspace(4)* %[[GP]], i32 {{%[0-9]+}}, i32 5, i32 1)
+  // ARM: call void @__opencl_atomic_store_4(i8* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 1)
+  __opencl_atomic_store(li, 1, memory_order_seq_cst, memory_scope_work_group);
+
+  // SPIR: %[[GP:[0-9]+]] = addrspacecast i8* {{%[0-9]+}} to i8 addrspace(4)*
+  // SPIR: call void @__opencl_atomic_store_4(i8 addrspace(4)* %[[GP]], i32 {{%[0-9]+}}, i32 5, i32 1)
+  // ARM: call void @__opencl_atomic_store_4(i8* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 1)
+  __opencl_atomic_store(pi, 1, memory_order_seq_cst, memory_scope_work_group);
+
   // SPIR: {{%[^ ]*}} = call i32 @__opencl_atomic_fetch_add_4(i8 addrspace(4)* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 1)
   // ARM: {{%[^ ]*}} = call i32 @__opencl_atomic_fetch_add_4(i8* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 1)
   x = __opencl_atomic_fetch_add(i, 3, memory_order_seq_cst, memory_scope_work_group);
+
   // SPIR: {{%[^ ]*}} = call i32 @__opencl_atomic_fetch_min_4(i8 addrspace(4)* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 1)
   // ARM: {{%[^ ]*}} = call i32 @__opencl_atomic_fetch_min_4(i8* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 1)
   x = __opencl_atomic_fetch_min(i, 3, memory_order_seq_cst, memory_scope_work_group);
+
   // SPIR: {{%[^ ]*}} = call i32 @__opencl_atomic_fetch_umin_4(i8 addrspace(4)* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 1)
   // ARM: {{%[^ ]*}} = call i32 @__opencl_atomic_fetch_umin_4(i8* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 1)
   x = __opencl_atomic_fetch_min(ui, 3, memory_order_seq_cst, memory_scope_work_group);
+
   // SPIR: {{%[^ ]*}} = call zeroext i1 @__opencl_atomic_compare_exchange_4(i8 addrspace(4)* {{%[0-9]+}}, i8 addrspace(4)* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 5, i32 1)
   // ARM: {{%[^ ]*}} = call zeroext i1 @__opencl_atomic_compare_exchange_4(i8* {{%[0-9]+}}, i8* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 5, i32 1)
   x = __opencl_atomic_compare_exchange_strong(i, &cmp, 1, memory_order_seq_cst, memory_order_seq_cst, memory_scope_work_group);
+
   // SPIR: {{%[^ ]*}} = call zeroext i1 @__opencl_atomic_compare_exchange_4(i8 addrspace(4)* {{%[0-9]+}}, i8 addrspace(4)* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 5, i32 1)
   // ARM: {{%[^ ]*}} = call zeroext i1 @__opencl_atomic_compare_exchange_4(i8* {{%[0-9]+}}, i8* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 5, i32 1)
   x = __opencl_atomic_compare_exchange_weak(i, &cmp, 1, memory_order_seq_cst, memory_order_seq_cst, memory_scope_work_group);
+
   // SPIR: {{%[^ ]*}} = call zeroext i1 @__opencl_atomic_compare_exchange_4(i8 addrspace(4)* {{%[0-9]+}}, i8 addrspace(4)* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 5, i32 2)
   // ARM: {{%[^ ]*}} = call zeroext i1 @__opencl_atomic_compare_exchange_4(i8* {{%[0-9]+}}, i8* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 5, i32 2)
   x = __opencl_atomic_compare_exchange_weak(i, &cmp, 1, memory_order_seq_cst, memory_order_seq_cst, memory_scope_device);
+
   // SPIR: {{%[^ ]*}} = call zeroext i1 @__opencl_atomic_compare_exchange_4(i8 addrspace(4)* {{%[0-9]+}}, i8 addrspace(4)* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 5, i32 3)
   // ARM: {{%[^ ]*}} = call zeroext i1 @__opencl_atomic_compare_exchange_4(i8* {{%[0-9]+}}, i8* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 5, i32 3)
   x = __opencl_atomic_compare_exchange_weak(i, &cmp, 1, memory_order_seq_cst, memory_order_seq_cst, memory_scope_all_svm_devices);
+
 #ifdef cl_khr_subgroups
   // SPIR: {{%[^ ]*}} = call zeroext i1 @__opencl_atomic_compare_exchange_4(i8 addrspace(4)* {{%[0-9]+}}, i8 addrspace(4)* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 5, i32 5, i32 4)
   x = __opencl_atomic_compare_exchange_weak(i, &cmp, 1, memory_order_seq_cst, memory_order_seq_cst, memory_scope_sub_group);
 #endif
+
   // SPIR: {{%[^ ]*}} = call zeroext i1 @__opencl_atomic_compare_exchange_4(i8 addrspace(4)* {{%[0-9]+}}, i8 addrspace(4)* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
   // ARM: {{%[^ ]*}} = call zeroext i1 @__opencl_atomic_compare_exchange_4(i8* {{%[0-9]+}}, i8* {{%[0-9]+}}, i32 {{%[0-9]+}}, i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
   x = __opencl_atomic_compare_exchange_weak(i, &cmp, 1, order, order, scope);