[OpenCL] Replace test for pipe struct to test it with fixed triple

[Anastasia]

LGTM!

[azabaznov]

Restore original test name which was changed in D106748, use check-prefixes

clang/test/CodeGenOpenCL/pipe_builtin.cl

 }
 
 void test8(write_only pipe int p, global int *ptr) {
   // CHECK: call i32 @__get_pipe_num_packets_wo(%opencl.pipe_wo_t* %{{.*}}, i32 4, i32 4)
   *ptr = get_pipe_num_packets(p);
   // CHECK: call i32 @__get_pipe_max_packets_wo(%opencl.pipe_wo_t* %{{.*}}, i32 4, i32 4)
   *ptr = get_pipe_max_packets(p);
 }
-
-struct Person {
-  const char *Name;
-  bool isFemale;
-  int ID;
-};
-
-void test9(global struct Person *SDst, read_only pipe struct Person SPipe) {
-  // CHECK: call i32 @__read_pipe_2(%opencl.pipe_ro_t* %{{.*}}, i8* %{{.*}}, i32 16, i32 8)
-  read_pipe (SPipe, SDst);
-  // CHECK: call i32 @__read_pipe_2(%opencl.pipe_ro_t* %{{.*}}, i8* %{{.*}}, i32 16, i32 8)
-  read_pipe (SPipe, SDst);
-}

clang/test/CodeGenOpenCL/pipe_types.cl

-// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -O0 -cl-std=CL2.0 -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -O0 -cl-std=CL2.0 -DTEST_STRUCT -o - %s | FileCheck %s
 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -O0 -cl-std=CL3.0 -cl-ext=+__opencl_c_pipes,+__opencl_c_generic_address_space,+__opencl_c_program_scope_global_variables -o - %s | FileCheck %s
 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -O0 -cl-std=CL3.0 -cl-ext=+__opencl_c_pipes,+__opencl_c_generic_address_space,-__opencl_c_program_scope_global_variables -o - %s | FileCheck %s
 
 // CHECK: %opencl.pipe_ro_t = type opaque
 // CHECK: %opencl.pipe_wo_t = type opaque
 typedef unsigned char __attribute__((ext_vector_type(3))) uchar3;
 typedef int __attribute__((ext_vector_type(4))) int4;
 

 void test5(read_only pipe int4 p) {
 // CHECK: define{{.*}} void @test5(%opencl.pipe_ro_t* %p)
 }
 
 typedef read_only pipe int MyPipe;
 kernel void test6(MyPipe p) {
 // CHECK: define{{.*}} spir_kernel void @test6(%opencl.pipe_ro_t* %p)
 }
+
+#ifdef TEST_STRUCT
+// FIXME: not supported for OpenCL C 3.0 as language built-ins not supported yet
+struct Person {
+  const char *Name;
+  bool isFemale;
+  int ID;
+};
+
+void test9(global struct Person *SDst, read_only pipe struct Person SPipe) {
+  // CHECK: call i32 @__read_pipe_2(%opencl.pipe_ro_t* %{{.*}}, i8* %{{.*}}, i32 16, i32 8)
+  read_pipe (SPipe, SDst);
+  // CHECK: call i32 @__read_pipe_2(%opencl.pipe_ro_t* %{{.*}}, i8* %{{.*}}, i32 16, i32 8)
+  read_pipe (SPipe, SDst);
+}
+#endif // TEST_STRUCT