[OpenCL] Rename lang mode flag for C++ mode

[Anastasia]

Summary

This suggestion was made in https://reviews.llvm.org/D64418?id=210101#inline-579453 but I am changing this standalone here.

I see two benefits for this rename:

• Aligning better with OpenCL C conversion
• Removing ambiguity with OpenCL C++

Since this is the first official release that contains C++ for OpenCL support it seems logical to change at this stage.

[kpet]

Thanks for doing this!

include/clang/Frontend/LangStandards.def

177

Shouldn't this be openclcpp?

[Anastasia]

• Fixed LANGSTANDARD_ALIAS_DEPR

[Anastasia]

include/clang/Frontend/LangStandards.def

177

Definitely! Good spot! Thanks!

[kpet]

Hmm, maybe we need to make sure that one of the tests is using a C++ feature and building with CLC++. This would have caught the mistake.

[Anastasia]

Use -cl-std=CLC++ spelling for test/CodeGenOpenCLCXX/addrspace-with-class.cl

[Anastasia]

In D65102#1597651, @kpet wrote:

Hmm, maybe we need to make sure that one of the tests is using a C++ feature and building with CLC++. This would have caught the mistake.

That's right! The only test we had wasn't using any C++ features in it. :)

[svenvh]

LGTM!

include/clang/Frontend/LangStandards.def

177

It surprised me that the capitalized aliases for the (non-C++) CL standards are considered deprecated, because the OpenCL spec only mentions the capitalized variants. The deprecation was introduced by 59456511f4 ("Improve diagnostics for bad -std= flag.", 2017-04-27). It doesn't seem to have any practical implications though.

The convention for non-OpenCL standards seems to be all lowercase though (e.g. c99, c++14, so it sounds reasonable to mark the capitalized CLC++ as deprecated.

[Anastasia]

include/clang/Frontend/LangStandards.def

177

Yeah, a misalignment indeed.

include/clang/Driver/Options.td

def cl_unsafe_math_optimizations : Flag<["-"], "cl-unsafe-math-optimizations">, Group<opencl_Group>, Flags<[CC1Option]>,
   HelpText<"OpenCL only. Allow unsafe floating-point optimizations.  Also implies -cl-no-signed-zeros and -cl-mad-enable.">;
 def cl_fast_relaxed_math : Flag<["-"], "cl-fast-relaxed-math">, Group<opencl_Group>, Flags<[CC1Option]>,
   HelpText<"OpenCL only. Sets -cl-finite-math-only and -cl-unsafe-math-optimizations, and defines __FAST_RELAXED_MATH__.">;
 def cl_mad_enable : Flag<["-"], "cl-mad-enable">, Group<opencl_Group>, Flags<[CC1Option]>,
   HelpText<"OpenCL only. Allow use of less precise MAD computations in the generated binary.">;
 def cl_no_signed_zeros : Flag<["-"], "cl-no-signed-zeros">, Group<opencl_Group>, Flags<[CC1Option]>,
   HelpText<"OpenCL only. Allow use of less precise no signed zeros computations in the generated binary.">;
 def cl_std_EQ : Joined<["-"], "cl-std=">, Group<opencl_Group>, Flags<[CC1Option]>,
-  HelpText<"OpenCL language standard to compile for.">, Values<"cl,CL,cl1.1,CL1.1,cl1.2,CL1.2,cl2.0,CL2.0,c++">;
+  HelpText<"OpenCL language standard to compile for.">, Values<"cl,CL,cl1.1,CL1.1,cl1.2,CL1.2,cl2.0,CL2.0,clc++,CLC++">;
 def cl_denorms_are_zero : Flag<["-"], "cl-denorms-are-zero">, Group<opencl_Group>, Flags<[CC1Option]>,
   HelpText<"OpenCL only. Allow denormals to be flushed to zero.">;
 def cl_fp32_correctly_rounded_divide_sqrt : Flag<["-"], "cl-fp32-correctly-rounded-divide-sqrt">, Group<opencl_Group>, Flags<[CC1Option]>,
   HelpText<"OpenCL only. Specify that single precision floating-point divide and sqrt used in the program source are correctly rounded.">;
 def cl_uniform_work_group_size : Flag<["-"], "cl-uniform-work-group-size">, Group<opencl_Group>, Flags<[CC1Option]>,
   HelpText<"OpenCL only. Defines that the global work-size be a multiple of the work-group size specified to clEnqueueNDRangeKernel">;
 def client__name : JoinedOrSeparate<["-"], "client_name">;
 def combine : Flag<["-", "--"], "combine">, Flags<[DriverOption, Unsupported]>;

include/clang/Frontend/LangStandards.def

LANGSTANDARD(openclcpp, "c++",
              OpenCL, "C++ for OpenCL",
              LineComment | CPlusPlus | CPlusPlus11 | CPlusPlus14 | CPlusPlus17 |
              Digraphs | HexFloat | OpenCL)
 
 LANGSTANDARD_ALIAS_DEPR(opencl10, "CL")
 LANGSTANDARD_ALIAS_DEPR(opencl11, "CL1.1")
 LANGSTANDARD_ALIAS_DEPR(opencl12, "CL1.2")
 LANGSTANDARD_ALIAS_DEPR(opencl20, "CL2.0")
+LANGSTANDARD_ALIAS_DEPR(openclcpp, "CLC++")
 
 // CUDA
 LANGSTANDARD(cuda, "cuda", CUDA, "NVIDIA CUDA(tm)",
              LineComment | CPlusPlus | Digraphs)
 
 // HIP
 LANGSTANDARD(hip, "hip", HIP, "HIP",
              LineComment | CPlusPlus | Digraphs)
 
 #undef LANGSTANDARD
 #undef LANGSTANDARD_ALIAS
 #undef LANGSTANDARD_ALIAS_DEPR

lib/Frontend/CompilerInvocation.cpp

#include "clang/Frontend/LangStandards.def"
   // Override the -std option in this case.
   if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) {
     LangStandard::Kind OpenCLLangStd
       = llvm::StringSwitch<LangStandard::Kind>(A->getValue())
         .Cases("cl", "CL", LangStandard::lang_opencl10)
         .Cases("cl1.1", "CL1.1", LangStandard::lang_opencl11)
         .Cases("cl1.2", "CL1.2", LangStandard::lang_opencl12)
         .Cases("cl2.0", "CL2.0", LangStandard::lang_opencl20)
-        .Case("c++", LangStandard::lang_openclcpp)
+        .Cases("clc++", "CLC++", LangStandard::lang_openclcpp)
         .Default(LangStandard::lang_unspecified);
 
     if (OpenCLLangStd == LangStandard::lang_unspecified) {
       Diags.Report(diag::err_drv_invalid_value)
         << A->getAsString(Args) << A->getValue();
     }
     else
       LangStd = OpenCLLangStd;

test/CodeGenCXX/mangle-address-space.cpp

 // RUN: %clang_cc1 -emit-llvm -triple %itanium_abi_triple -o - %s | FileCheck %s --check-prefixes=CHECK,CHECKNOOCL
 // RUN: %clang_cc1 -emit-llvm -triple x86_64-windows-msvc -o - %s | FileCheck %s --check-prefixes=WIN,WINNOOCL
-// RUN: %clang_cc1 -cl-std=c++ -emit-llvm -triple %itanium_abi_triple -o - %s | FileCheck %s --check-prefixes=CHECK,CHECKOCL
-// RUN: %clang_cc1 -cl-std=c++ -emit-llvm -triple x86_64-windows-msvc -o - %s | FileCheck %s --check-prefixes=WIN,WINOCL
+// RUN: %clang_cc1 -cl-std=clc++ -emit-llvm -triple %itanium_abi_triple -o - %s | FileCheck %s --check-prefixes=CHECK,CHECKOCL
+// RUN: %clang_cc1 -cl-std=clc++ -emit-llvm -triple x86_64-windows-msvc -o - %s | FileCheck %s --check-prefixes=WIN,WINOCL
 
 // CHECKNOOCL-LABEL: define {{.*}}void @_Z2f0Pc
 // WINNOOCL-LABEL: define {{.*}}void @"?f0@@YAXPEAD@Z"
 // CHECKOCL-LABEL: define {{.*}}void @_Z2f0PU9CLgenericc
 // WINOCL-LABEL: define {{.*}}void @"?f0@@YAXPEAU?$_ASCLgeneric@$$CAD@__clang@@@Z" 
 void f0(char *p) { }
 // CHECK-LABEL: define {{.*}}void @_Z2f0PU3AS1c
 // WIN-LABEL: define {{.*}}void @"?f0@@YAXPEAU?$_AS@$00$$CAD@__clang@@@Z"

test/CodeGenOpenCL/builtins.cl

-// RUN: %clang_cc1 %s -finclude-default-header -cl-std=c++ -fblocks -O0 -emit-llvm -o - -triple "spir-unknown-unknown" | FileCheck %s
+// RUN: %clang_cc1 %s -finclude-default-header -cl-std=clc++ -fblocks -O0 -emit-llvm -o - -triple "spir-unknown-unknown" | FileCheck %s
 
 void testBranchingOnEnqueueKernel(queue_t default_queue, unsigned flags, ndrange_t ndrange) {
     // Ensure `enqueue_kernel` can be branched upon.
 
     if (enqueue_kernel(default_queue, flags, ndrange, ^(void) {}))
         (void)0;
     // CHECK: [[P:%[0-9]+]] = call i32 @__enqueue_kernel
     // CHECK-NEXT: [[Q:%[a-z0-9]+]] = icmp ne i32 [[P]], 0

test/CodeGenOpenCL/images.cl

 // RUN: %clang_cc1 %s -triple x86_64-unknown-linux-gnu -O0 -emit-llvm -o - | FileCheck %s
-// RUN: %clang_cc1 %s -triple x86_64-unknown-linux-gnu -O0 -emit-llvm -o - -cl-std=c++ | FileCheck %s
+// RUN: %clang_cc1 %s -triple x86_64-unknown-linux-gnu -O0 -emit-llvm -o - -cl-std=clc++ | FileCheck %s
 
 __attribute__((overloadable)) void read_image(read_only image1d_t img_ro);
 __attribute__((overloadable)) void read_image(write_only image1d_t img_wo);
 
 kernel void test_read_image(read_only image1d_t img_ro, write_only image1d_t img_wo) {
   // CHECK: call void @_Z10read_image14ocl_image1d_ro(%opencl.image1d_ro_t* %{{[0-9]+}})
   read_image(img_ro);
   // CHECK: call void @_Z10read_image14ocl_image1d_wo(%opencl.image1d_wo_t* %{{[0-9]+}})
   read_image(img_wo);
 }

test/CodeGenOpenCL/logical-ops.cl

 // RUN: %clang_cc1 %s -emit-llvm -o - -cl-std=CL1.2 -O1 -triple x86_64-unknown-linux-gnu | FileCheck %s
-// RUN: %clang_cc1 %s -emit-llvm -o - -cl-std=c++ -O1 -triple x86_64-unknown-linux-gnu | FileCheck %s
+// RUN: %clang_cc1 %s -emit-llvm -o - -cl-std=clc++ -O1 -triple x86_64-unknown-linux-gnu | FileCheck %s
 
 #pragma OPENCL EXTENSION cl_khr_fp64 : enable
 
 typedef int int4 __attribute((ext_vector_type(4)));
 typedef long long4 __attribute((ext_vector_type(4)));
 typedef float float4 __attribute((ext_vector_type(4)));
 typedef double double4 __attribute((ext_vector_type(4)));
 

test/CodeGenOpenCL/pipe_builtin.cl

-// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -cl-ext=+cl_khr_subgroups -O0 -cl-std=c++ -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -cl-ext=+cl_khr_subgroups -O0 -cl-std=clc++ -o - %s | FileCheck %s
 // FIXME: Add MS ABI manglings of OpenCL things and remove %itanium_abi_triple
 // above to support OpenCL in the MS C++ ABI.
 
 // CHECK-DAG: %opencl.pipe_ro_t = type opaque
 // CHECK-DAG: %opencl.pipe_wo_t = type opaque
 // CHECK-DAG: %opencl.reserve_id_t = type opaque
 
 #pragma OPENCL EXTENSION cl_khr_subgroups : enable

test/CodeGenOpenCL/sampler.cl

 // RUN: %clang_cc1 %s -emit-llvm -triple spir-unknown-unknown -o - -O0 | FileCheck %s
 // RUN: %clang_cc1 %s -cl-std=CL2.0 -emit-llvm -triple spir-unknown-unknown -o - -O0 | FileCheck %s
-// RUN: %clang_cc1 %s -cl-std=c++ -emit-llvm -triple spir-unknown-unknown -o - -O0 | FileCheck %s
+// RUN: %clang_cc1 %s -cl-std=clc++ -emit-llvm -triple spir-unknown-unknown -o - -O0 | FileCheck %s
 //
 // This test covers 5 cases of sampler initialzation:
 //   1. function argument passing
 //      1a. argument is a file-scope variable
 //      1b. argument is a function-scope variable
 //      1c. argument is one of caller function's parameters
 //   2. variable initialization
 //      2a. initializing a file-scope variable with constant addr space qualifier

test/CodeGenOpenCL/spir_version.cl

 // RUN: %clang_cc1 %s -triple "spir-unknown-unknown" -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-SPIR-CL10
 // RUN: %clang_cc1 %s -triple "spir-unknown-unknown" -emit-llvm -o - -cl-std=CL1.2 | FileCheck %s --check-prefix=CHECK-SPIR-CL12
 // RUN: %clang_cc1 %s -triple "spir-unknown-unknown" -emit-llvm -o - -cl-std=CL2.0 | FileCheck %s --check-prefix=CHECK-SPIR-CL20
 // RUN: %clang_cc1 %s -triple "spir64-unknown-unknown" -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-SPIR-CL10
 // RUN: %clang_cc1 %s -triple "spir64-unknown-unknown" -emit-llvm -o - -cl-std=CL1.2 | FileCheck %s --check-prefix=CHECK-SPIR-CL12
 // RUN: %clang_cc1 %s -triple "spir64-unknown-unknown" -emit-llvm -o - -cl-std=CL2.0 | FileCheck %s --check-prefix=CHECK-SPIR-CL20
 
 
-// RUN: %clang_cc1 %s -triple "spir64-unknown-unknown" -emit-llvm -o - -cl-std=c++ | FileCheck %s --check-prefix=CHECK-SPIR-CL20
+// RUN: %clang_cc1 %s -triple "spir64-unknown-unknown" -emit-llvm -o - -cl-std=clc++ | FileCheck %s --check-prefix=CHECK-SPIR-CL20
 
 // RUN: %clang_cc1 %s -triple "amdgcn--amdhsa" -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-AMDGCN-CL10
 // RUN: %clang_cc1 %s -triple "amdgcn--amdhsa" -emit-llvm -o - -cl-std=CL1.2 | FileCheck %s --check-prefix=CHECK-AMDGCN-CL12
 // RUN: %clang_cc1 %s -triple "amdgcn--amdhsa" -emit-llvm -o - -cl-std=CL2.0 | FileCheck %s --check-prefix=CHECK-AMDGCN-CL20
 
 kernel void foo() {}
 kernel void bar() {}
 

test/CodeGenOpenCL/to_addr_builtin.cl

-// RUN: %clang_cc1 -triple spir-unknown-unknown -emit-llvm -O0 -cl-std=c++ -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple spir-unknown-unknown -emit-llvm -O0 -cl-std=clc++ -o - %s | FileCheck %s
 
 // CHECK: %[[A:.*]] = type { float, float, float }
 typedef struct {
   float x,y,z;
 } A;
 typedef private A *PA;
 typedef global A *GA;
 

test/CodeGenOpenCLCXX/address-space-castoperators.cpp

-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -emit-llvm -O0 -o - | FileCheck %s
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -emit-llvm -O0 -o - | FileCheck %s
 
 void test_reinterpret_cast(){
 __private float x;
 __private float& y = x; 
 // We don't need bitcast to cast pointer type and
 // address space at the same time.
 //CHECK: addrspacecast float* %x to i32 addrspace(4)*
 //CHECK: [[REG:%[0-9]+]] = load float*, float** %y
 //CHECK: addrspacecast float* [[REG]] to i32 addrspace(4)*
 //CHECK-NOT: bitcast 
 __generic int& rc1 = reinterpret_cast<__generic int&>(x);
 __generic int& rc2 = reinterpret_cast<__generic int&>(y);
 }

test/CodeGenOpenCLCXX/address-space-deduction.cl

-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -O0 -emit-llvm -o - | FileCheck %s -check-prefixes=COMMON,PTR
-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -O0 -emit-llvm -o - -DREF | FileCheck %s -check-prefixes=COMMON,REF
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -O0 -emit-llvm -o - | FileCheck %s -check-prefixes=COMMON,PTR
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -O0 -emit-llvm -o - -DREF | FileCheck %s -check-prefixes=COMMON,REF
 
 #ifdef REF
 #define PTR &
 #define ADR(x) x
 #else
 #define PTR *
 #define ADR(x) &x
 #endif

test/CodeGenOpenCLCXX/address-space-deduction2.cl

-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -O0 -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -O0 -emit-llvm -o - | FileCheck %s
 
 class P {
 public:
   P(const P &Rhs) = default;
 
   long A;
   long B;
 };

test/CodeGenOpenCLCXX/addrspace-conversion.cl

-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -emit-llvm -O0 -o - | FileCheck %s
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -emit-llvm -O0 -o - | FileCheck %s
 
 void bar(__generic volatile unsigned int* ptr)
 {
   //CHECK: addrspacecast i32 addrspace(4)* %{{.+}} to i32 addrspace(1)*
   auto gptr = (__global volatile unsigned int*)ptr;
 }

test/CodeGenOpenCLCXX/addrspace-derived-base.cl

-// RUN: %clang_cc1 %s -triple spir -cl-std=c++ -emit-llvm -O0 -o - | FileCheck %s
+// RUN: %clang_cc1 %s -triple spir -cl-std=clc++ -emit-llvm -O0 -o - | FileCheck %s
 
 struct B {
   int mb;
 };
 
 class D : public B {
 public:
   int getmb() { return mb; }

test/CodeGenOpenCLCXX/addrspace-of-this.cl

-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -emit-llvm -pedantic -verify -O0 -o - -DDECL | FileCheck %s --check-prefixes="COMMON,EXPL"
-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -emit-llvm -pedantic -verify -O0 -o - -DDECL -DUSE_DEFLT | FileCheck %s --check-prefixes="COMMON,IMPL"
-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -emit-llvm -pedantic -verify -O0 -o - | FileCheck %s --check-prefixes="COMMON,IMPL"
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -emit-llvm -pedantic -verify -O0 -o - -DDECL | FileCheck %s --check-prefixes="COMMON,EXPL"
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -emit-llvm -pedantic -verify -O0 -o - -DDECL -DUSE_DEFLT | FileCheck %s --check-prefixes="COMMON,IMPL"
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -emit-llvm -pedantic -verify -O0 -o - | FileCheck %s --check-prefixes="COMMON,IMPL"
 // expected-no-diagnostics
 
 // Test that the 'this' pointer is in the __generic address space.
 
 #ifdef USE_DEFLT
 #define DEFAULT =default
 #else
 #define DEFAULT

test/CodeGenOpenCLCXX/addrspace-operators.cl

-//RUN: %clang_cc1 %s -triple spir -cl-std=c++ -emit-llvm -O0 -o - | FileCheck %s
+//RUN: %clang_cc1 %s -triple spir -cl-std=clc++ -emit-llvm -O0 -o - | FileCheck %s
 
 enum E {
   a,
   b,
 };
 
 class C {
 public:

test/CodeGenOpenCLCXX/addrspace-references.cl

-//RUN: %clang_cc1 %s -cl-std=c++ -triple spir -emit-llvm -o - | FileCheck %s
+//RUN: %clang_cc1 %s -cl-std=clc++ -triple spir -emit-llvm -o - | FileCheck %s
 
 int bar(const unsigned int &i);
 // CHECK-LABEL: define spir_func void @_Z3foov() 
 void foo() {
   // The generic addr space reference parameter object will be bound
   // to a temporary value allocated in private addr space. We need an
   // addrspacecast before passing the value to the function.
   // CHECK: [[REF:%.*]] = alloca i32
   // CHECK: store i32 1, i32* [[REF]]
   // CHECK: [[REG:%[.a-z0-9]+]] = addrspacecast i32* [[REF]] to i32 addrspace(4)*
   // CHECK: call spir_func i32 @_Z3barRU3AS4Kj(i32 addrspace(4)* dereferenceable(4) [[REG]])
   bar(1);
 }

test/CodeGenOpenCLCXX/addrspace-with-class.cl

-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -emit-llvm -O0 -o - | FileCheck %s
-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -emit-llvm -O0 -o - | FileCheck %s --check-prefix=CHECK-DEFINITIONS
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -emit-llvm -O0 -o - | FileCheck %s
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -emit-llvm -O0 -o - | FileCheck %s --check-prefix=CHECK-DEFINITIONS
 
 // This test ensures the proper address spaces and address space cast are used
 // for constructors, member functions and destructors.
 // See also atexit.cl and global_init.cl for other specific tests.
 
 // CHECK: %struct.MyType = type { i32 }
 struct MyType {
   MyType(int i) : i(i) {}

test/CodeGenOpenCLCXX/atexit.cl

-//RUN: %clang_cc1 %s -triple spir -cl-std=c++ -emit-llvm -O0 -o - | FileCheck %s
+//RUN: %clang_cc1 %s -triple spir -cl-std=clc++ -emit-llvm -O0 -o - | FileCheck %s
 
 struct S {
   ~S(){};
 };
 S s;
 
 //CHECK-LABEL: define internal void @__cxx_global_var_init()
 //CHECK: call i32 @__cxa_atexit(void (i8*)* bitcast (void (%struct.S addrspace(4)*)* @_ZNU3AS41SD1Ev to void (i8*)*), i8* null, i8 addrspace(1)* @__dso_handle)
 
 //CHECK: declare i32 @__cxa_atexit(void (i8*)*, i8*, i8 addrspace(1)*)

test/CodeGenOpenCLCXX/global_init.cl

-// RUN: %clang_cc1 %s -triple spir -cl-std=c++ -emit-llvm -O0 -o - | FileCheck %s
+// RUN: %clang_cc1 %s -triple spir -cl-std=clc++ -emit-llvm -O0 -o - | FileCheck %s
 
 struct S {
   S() {}
 };
 
 S s;
 
 //CHECK: define internal spir_kernel void @_GLOBAL__sub_I_{{.*}}!kernel_arg_addr_space [[ARGMD:![0-9]+]] !kernel_arg_access_qual [[ARGMD]] !kernel_arg_type [[ARGMD]] !kernel_arg_base_type [[ARGMD]] !kernel_arg_type_qual [[ARGMD]]
 // Check that parameters are empty.
 //CHECK: [[ARGMD]] = !{}

test/CodeGenOpenCLCXX/local_addrspace_init.cl

-// RUN: %clang_cc1 %s -triple spir -cl-std=c++ -emit-llvm -O0 -o - | FileCheck %s
+// RUN: %clang_cc1 %s -triple spir -cl-std=clc++ -emit-llvm -O0 -o - | FileCheck %s
 
 // Test that we don't initialize local address space objects.
 //CHECK: @_ZZ4testE1i = internal addrspace(3) global i32 undef
 //CHECK: @_ZZ4testE2ii = internal addrspace(3) global %class.C undef
 class C {
   int i;
 };
 

test/CodeGenOpenCLCXX/method-overload-address-space.cl

-//RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -emit-llvm -O0 -o - | FileCheck %s
+//RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -emit-llvm -O0 -o - | FileCheck %s
 
 struct C {
   void foo() __local;
   void foo() __global;
   void foo();
   void bar();
 };
 

test/CodeGenOpenCLCXX/template-address-spaces.cl

-// RUN: %clang_cc1 -cl-std=c++ %s -emit-llvm -o - -O0 -triple spir-unknown-unknown | FileCheck %s
+// RUN: %clang_cc1 -cl-std=clc++ %s -emit-llvm -o - -O0 -triple spir-unknown-unknown | FileCheck %s
 
 template <typename T>
 struct S{
   T a;
   T foo();
 };
 
 template<typename T>

test/Driver/autocomplete.c

 // RUN: %clang --autocomplete=-meabi | FileCheck %s -check-prefix=MEABIALL
 // MEABIALL: 4
 // MEABIALL-NEXT: 5
 // MEABIALL-NEXT: default
 // MEABIALL-NEXT: gnu
 // RUN: %clang --autocomplete=-cl-std=,CL2 | FileCheck %s -check-prefix=CLSTD
 // CLSTD: CL2.0
 // RUN: %clang --autocomplete=-cl-std= | FileCheck %s -check-prefix=CLSTDALL
-// CLSTDALL: c++
-// CLSTDALL-NEXT: cl
+
+// CLSTDALL: cl
 // CLSTDALL-NEXT: CL
 // CLSTDALL-NEXT: cl1.1
 // CLSTDALL-NEXT: CL1.1
 // CLSTDALL-NEXT: cl1.2
 // CLSTDALL-NEXT: CL1.2
 // CLSTDALL-NEXT: cl2.0
 // CLSTDALL-NEXT: CL2.0
+// CLSTDALL-NEXT: clc++
+// CLSTDALL-NEXT: CLC++
 // RUN: %clang --autocomplete=-fno-sanitize-coverage=,f | FileCheck %s -check-prefix=FNOSANICOVER
 // FNOSANICOVER: func
 // RUN: %clang --autocomplete=-fno-sanitize-coverage= | FileCheck %s -check-prefix=FNOSANICOVERALL
 // FNOSANICOVERALL: 8bit-counters
 // FNOSANICOVERALL-NEXT: bb
 // FNOSANICOVERALL-NEXT: edge
 // FNOSANICOVERALL-NEXT: func
 // FNOSANICOVERALL-NEXT: indirect-calls

test/Driver/opencl.cl

 // RUN: %clang -S -### -cl-std=CL %s 2>&1 | FileCheck --check-prefix=CHECK-CL %s
 // RUN: %clang -S -### -cl-std=CL1.1 %s 2>&1 | FileCheck --check-prefix=CHECK-CL11 %s
 // RUN: %clang -S -### -cl-std=CL1.2 %s 2>&1 | FileCheck --check-prefix=CHECK-CL12 %s
 // RUN: %clang -S -### -cl-std=CL2.0 %s 2>&1 | FileCheck --check-prefix=CHECK-CL20 %s
-// RUN: %clang -S -### -cl-std=c++ %s 2>&1 | FileCheck --check-prefix=CHECK-CLCPP %s
+// RUN: %clang -S -### -cl-std=clc++ %s 2>&1 | FileCheck --check-prefix=CHECK-CLCPP %s
 // RUN: %clang -S -### -cl-opt-disable %s 2>&1 | FileCheck --check-prefix=CHECK-OPT-DISABLE %s
 // RUN: %clang -S -### -cl-strict-aliasing %s 2>&1 | FileCheck --check-prefix=CHECK-STRICT-ALIASING %s
 // RUN: %clang -S -### -cl-single-precision-constant %s 2>&1 | FileCheck --check-prefix=CHECK-SINGLE-PRECISION-CONST %s
 // RUN: %clang -S -### -cl-finite-math-only %s 2>&1 | FileCheck --check-prefix=CHECK-FINITE-MATH-ONLY %s
 // RUN: %clang -S -### -cl-kernel-arg-info %s 2>&1 | FileCheck --check-prefix=CHECK-KERNEL-ARG-INFO %s
 // RUN: %clang -S -### -cl-unsafe-math-optimizations %s 2>&1 | FileCheck --check-prefix=CHECK-UNSAFE-MATH-OPT %s
 // RUN: %clang -S -### -cl-fast-relaxed-math %s 2>&1 | FileCheck --check-prefix=CHECK-FAST-RELAXED-MATH %s
 // RUN: %clang -S -### -cl-mad-enable %s 2>&1 | FileCheck --check-prefix=CHECK-MAD-ENABLE %s
 // RUN: %clang -S -### -cl-no-signed-zeros %s 2>&1 | FileCheck --check-prefix=CHECK-NO-SIGNED-ZEROS %s
 // RUN: %clang -S -### -cl-denorms-are-zero %s 2>&1 | FileCheck --check-prefix=CHECK-DENORMS-ARE-ZERO %s
 // RUN: %clang -S -### -cl-fp32-correctly-rounded-divide-sqrt %s 2>&1 | FileCheck --check-prefix=CHECK-ROUND-DIV %s
 // RUN: %clang -S -### -cl-uniform-work-group-size %s 2>&1 | FileCheck --check-prefix=CHECK-UNIFORM-WG %s
 // RUN: not %clang -cl-std=c99 -DOPENCL %s 2>&1 | FileCheck --check-prefix=CHECK-C99 %s
 // RUN: not %clang -cl-std=invalid -DOPENCL %s 2>&1 | FileCheck --check-prefix=CHECK-INVALID %s
 
 // CHECK-CL: "-cc1" {{.*}} "-cl-std=CL"
 // CHECK-CL11: "-cc1" {{.*}} "-cl-std=CL1.1"
 // CHECK-CL12: "-cc1" {{.*}} "-cl-std=CL1.2"
 // CHECK-CL20: "-cc1" {{.*}} "-cl-std=CL2.0"
-// CHECK-CLCPP: "-cc1" {{.*}} "-cl-std=c++"
+// CHECK-CLCPP: "-cc1" {{.*}} "-cl-std=clc++"
 // CHECK-OPT-DISABLE: "-cc1" {{.*}} "-cl-opt-disable"
 // CHECK-STRICT-ALIASING: "-cc1" {{.*}} "-cl-strict-aliasing"
 // CHECK-SINGLE-PRECISION-CONST: "-cc1" {{.*}} "-cl-single-precision-constant"
 // CHECK-FINITE-MATH-ONLY: "-cc1" {{.*}} "-cl-finite-math-only"
 // CHECK-KERNEL-ARG-INFO: "-cc1" {{.*}} "-cl-kernel-arg-info"
 // CHECK-UNSAFE-MATH-OPT: "-cc1" {{.*}} "-cl-unsafe-math-optimizations"
 // CHECK-FAST-RELAXED-MATH: "-cc1" {{.*}} "-cl-fast-relaxed-math"
 // CHECK-MAD-ENABLE: "-cc1" {{.*}} "-cl-mad-enable"
 // CHECK-NO-SIGNED-ZEROS: "-cc1" {{.*}} "-cl-no-signed-zeros"
 // CHECK-DENORMS-ARE-ZERO: "-cc1" {{.*}} "-cl-denorms-are-zero"
 // CHECK-ROUND-DIV: "-cc1" {{.*}} "-cl-fp32-correctly-rounded-divide-sqrt"
 // CHECK-UNIFORM-WG: "-cc1" {{.*}} "-cl-uniform-work-group-size"
 // CHECK-C99: error: invalid value 'c99' in '-cl-std=c99'
 // CHECK-INVALID: error: invalid value 'invalid' in '-cl-std=invalid'
 
 kernel void func(void);

test/Frontend/opencl.cl

 // RUN: %clang_cc1 %s -verify -fsyntax-only -DSYNTAX
 // RUN: %clang_cc1 %s -verify -fsyntax-only -cl-std=CL1.1 -DSYNTAX
 // RUN: %clang_cc1 %s -verify -fsyntax-only -cl-std=CL1.2 -DSYNTAX
 // RUN: %clang_cc1 %s -verify -fsyntax-only -cl-std=CL2.0 -DSYNTAX
-// RUN: %clang_cc1 %s -verify -fsyntax-only -cl-std=c++ -DSYNTAX
+// RUN: %clang_cc1 %s -verify -fsyntax-only -cl-std=clc++ -DSYNTAX
 // RUN: %clang_cc1 %s -verify -fsyntax-only -fblocks -DBLOCKS -DSYNTAX
 // RUN: %clang_cc1 %s -verify -fsyntax-only -cl-std=CL1.1 -fblocks -DBLOCKS -DSYNTAX
 // RUN: %clang_cc1 %s -verify -fsyntax-only -cl-std=CL1.2 -fblocks -DBLOCKS -DSYNTAX
 // RUN: %clang_cc1 %s -triple amdgcn--amdhsa -x c -std=c99 -verify -fsyntax-only -DSYNTAX
 // RUN: %clang_cc1 -cl-std=CL1.1 -cl-strict-aliasing -fblocks %s 2>&1 | FileCheck --check-prefix=CHECK-INVALID-OPENCL-VERSION11 %s
 // RUN: %clang_cc1 -cl-std=CL1.2 -cl-strict-aliasing -fblocks %s 2>&1 | FileCheck --check-prefix=CHECK-INVALID-OPENCL-VERSION12 %s
 // RUN: %clang_cc1 -cl-std=CL2.0 -cl-strict-aliasing %s 2>&1 | FileCheck --check-prefix=CHECK-INVALID-OPENCL-VERSION20 %s
 

test/Frontend/stdlang.c

 // RUN: %clang_cc1 -x cuda -std=c++11 -DCUDA %s
 // RUN: %clang_cc1 -x cl -DOPENCL %s
 // RUN: %clang_cc1 -x cl -cl-std=cl -DOPENCL %s
 // RUN: %clang_cc1 -x cl -cl-std=cl1.1 -DOPENCL %s
 // RUN: %clang_cc1 -x cl -cl-std=cl1.2 -DOPENCL %s
 // RUN: %clang_cc1 -x cl -cl-std=cl2.0 -DOPENCL %s
-// RUN: %clang_cc1 -x cl -cl-std=c++ -DOPENCL %s
+// RUN: %clang_cc1 -x cl -cl-std=clc++ -DOPENCL %s
 // RUN: %clang_cc1 -x cl -cl-std=CL -DOPENCL %s
 // RUN: %clang_cc1 -x cl -cl-std=CL1.1 -DOPENCL %s
 // RUN: %clang_cc1 -x cl -cl-std=CL1.2 -DOPENCL %s
 // RUN: %clang_cc1 -x cl -cl-std=CL2.0 -DOPENCL %s
+// RUN: %clang_cc1 -x cl -cl-std=CLC++ -DOPENCL %s
 // RUN: not %clang_cc1 -x cl -std=c99 -DOPENCL %s 2>&1 | FileCheck --check-prefix=CHECK-C99 %s
 // RUN: not %clang_cc1 -x cl -cl-std=invalid -DOPENCL %s 2>&1 | FileCheck --check-prefix=CHECK-INVALID %s
 // CHECK-C99: error: invalid argument '-std=c99' not allowed with 'OpenCL'
 // CHECK-INVALID: error: invalid value 'invalid' in '-cl-std=invalid'
 
 #if defined(CUDA)
   __attribute__((device)) void f_device();
 #elif defined(OPENCL)
   kernel void func(void);
 #endif

test/Headers/opencl-c-header.cl

 // RUN: %clang_cc1 -O0 -triple spir-unknown-unknown -internal-isystem ../../lib/Headers -include opencl-c.h -emit-llvm -o - %s -verify | FileCheck %s
 // RUN: %clang_cc1 -O0 -triple spir-unknown-unknown -internal-isystem ../../lib/Headers -include opencl-c.h -emit-llvm -o - %s -verify -cl-std=CL1.1 | FileCheck %s
 // RUN: %clang_cc1 -O0 -triple spir-unknown-unknown -internal-isystem ../../lib/Headers -include opencl-c.h -emit-llvm -o - %s -verify -cl-std=CL1.2 | FileCheck %s
-// RUN: %clang_cc1 -O0 -triple spir-unknown-unknown -internal-isystem ../../lib/Headers -include opencl-c.h -emit-llvm -o - %s -verify -cl-std=c++ | FileCheck %s --check-prefix=CHECK20
+// RUN: %clang_cc1 -O0 -triple spir-unknown-unknown -internal-isystem ../../lib/Headers -include opencl-c.h -emit-llvm -o - %s -verify -cl-std=clc++ | FileCheck %s --check-prefix=CHECK20
 
 // Test including the default header as a module.
 // The module should be compiled only once and loaded from cache afterwards.
 // Change the directory mode to read only to make sure no new modules are created.
 // Check time report to make sure module is used.
 // Check that some builtins occur in the generated IR when called.
 
 // ===

test/Parser/opencl-cxx-keywords.cl

-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -verify -fsyntax-only
-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -verify -fsyntax-only -fexceptions -fcxx-exceptions
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -verify -fsyntax-only
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -verify -fsyntax-only -fexceptions -fcxx-exceptions
 
 // This test checks that various C++ and OpenCL C keywords are not available
 // in OpenCL.
 
 // Test that exceptions are disabled despite passing -fcxx-exceptions.
 kernel void test_exceptions() {
   int x;
   try {

test/Parser/opencl-cxx-virtual.cl

-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -fsyntax-only -verify
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -fsyntax-only -verify
 
 // Test that virtual functions and abstract classes are rejected.
 class virtual_functions {
   virtual void bad1() {}
   //expected-error@-1 {{virtual functions are not supported in C++ for OpenCL}}
 
   virtual void bad2() = 0;
   //expected-error@-1 {{virtual functions are not supported in C++ for OpenCL}}

test/Preprocessor/predefined-macros.c

 // RUN: %clang_cc1 %s -E -dM -o - -x cl -cl-std=CL1.1 \
 // RUN:   | FileCheck -match-full-lines %s --check-prefix=CHECK-CL11
 // RUN: %clang_cc1 %s -E -dM -o - -x cl -cl-std=CL1.2 \
 // RUN:   | FileCheck -match-full-lines %s --check-prefix=CHECK-CL12
 // RUN: %clang_cc1 %s -E -dM -o - -x cl -cl-std=CL2.0 \
 // RUN:   | FileCheck -match-full-lines %s --check-prefix=CHECK-CL20
 // RUN: %clang_cc1 %s -E -dM -o - -x cl -cl-fast-relaxed-math \
 // RUN:   | FileCheck -match-full-lines %s --check-prefix=CHECK-FRM
-// RUN: %clang_cc1 %s -E -dM -o - -x cl -cl-std=c++ \
+// RUN: %clang_cc1 %s -E -dM -o - -x cl -cl-std=clc++ \
 // RUN:   | FileCheck -match-full-lines %s --check-prefix=CHECK-CLCPP10
 // CHECK-CL10: #define CL_VERSION_1_0 100
 // CHECK-CL10: #define CL_VERSION_1_1 110
 // CHECK-CL10: #define CL_VERSION_1_2 120
 // CHECK-CL10: #define CL_VERSION_2_0 200
 // CHECK-CL10: #define __OPENCL_C_VERSION__ 100
 // CHECK-CL10-NOT: #define __FAST_RELAXED_MATH__ 1
 // CHECK-CL11: #define CL_VERSION_1_0 100

test/SemaOpenCL/address-spaces-conversions-cl2.0.cl

 // RUN: %clang_cc1 %s -ffake-address-space-map -verify -pedantic -fsyntax-only -DCONSTANT -cl-std=CL2.0
 // RUN: %clang_cc1 %s -ffake-address-space-map -verify -pedantic -fsyntax-only -DGLOBAL -cl-std=CL2.0
 // RUN: %clang_cc1 %s -ffake-address-space-map -verify -pedantic -fsyntax-only -DGENERIC -cl-std=CL2.0
-// RUN: %clang_cc1 %s -ffake-address-space-map -verify -pedantic -fsyntax-only -DCONSTANT -cl-std=c++
-// RUN: %clang_cc1 %s -ffake-address-space-map -verify -pedantic -fsyntax-only -DGLOBAL -cl-std=c++
-// RUN: %clang_cc1 %s -ffake-address-space-map -verify -pedantic -fsyntax-only -DGENERIC -cl-std=c++
+// RUN: %clang_cc1 %s -ffake-address-space-map -verify -pedantic -fsyntax-only -DCONSTANT -cl-std=clc++
+// RUN: %clang_cc1 %s -ffake-address-space-map -verify -pedantic -fsyntax-only -DGLOBAL -cl-std=clc++
+// RUN: %clang_cc1 %s -ffake-address-space-map -verify -pedantic -fsyntax-only -DGENERIC -cl-std=clc++
 
 /* OpenCLC v2.0 adds a set of restrictions for conversions between pointers to
 *  different address spaces, mainly described in Sections 6.5.5 and 6.5.6.
 *
 *  It adds notion of overlapping address spaces. The main differention is that
 *  an unnamed address space is added, called '__generic'. Pointers to the
 *  generic address space can be interchangabley used with pointers to any
 *  other address space except for __constant address space (Section 6.5.5).

test/SemaOpenCL/address-spaces.cl

 // RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only
 // RUN: %clang_cc1 %s -cl-std=CL2.0 -verify -pedantic -fsyntax-only
-// RUN: %clang_cc1 %s -cl-std=c++ -verify -pedantic -fsyntax-only
+// RUN: %clang_cc1 %s -cl-std=clc++ -verify -pedantic -fsyntax-only
 
 __constant int ci = 1;
 
 __kernel void foo(__global int *gip) {
   __local int li;
   __local int lj = 2; // expected-error {{'__local' variable cannot have an initializer}}
 
   int *ip;

test/SemaOpenCL/builtin.cl

 // RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=CL1.2
-// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=c++
+// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=clc++
 
 // expected-no-diagnostics
 
 float __attribute__((overloadable)) acos(float);
 
 typedef float float4 __attribute__((ext_vector_type(4)));
 int printf(__constant const char* st, ...);
 
 void test(void)
 {
   float4 a;
   printf("%8.4v4hlf\n", a);
 }

test/SemaOpenCL/clk_event_t.cl

 // RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=CL2.0
-// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=c++
+// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=clc++
 
 // Taken from opencl-c.h
 #define CLK_NULL_EVENT (__builtin_astype(((__SIZE_MAX__)), clk_event_t))
 
 global clk_event_t ce; // expected-error {{the '__global clk_event_t' type cannot be used to declare a program scope variable}}
 
 int clk_event_tests() {
   event_t e;

test/SemaOpenCL/extension-version.cl

 // RUN: %clang_cc1 -x cl -cl-std=CL %s -verify -triple spir-unknown-unknown
 // RUN: %clang_cc1 -x cl -cl-std=CL1.1 %s -verify -triple spir-unknown-unknown
 // RUN: %clang_cc1 -x cl -cl-std=CL1.2 %s -verify -triple spir-unknown-unknown
 // RUN: %clang_cc1 -x cl -cl-std=CL2.0 %s -verify -triple spir-unknown-unknown
-// RUN: %clang_cc1 -x cl -cl-std=c++ %s -verify -triple spir-unknown-unknown
+// RUN: %clang_cc1 -x cl -cl-std=clc++ %s -verify -triple spir-unknown-unknown
 // RUN: %clang_cc1 -x cl -cl-std=CL %s -verify -triple spir-unknown-unknown -Wpedantic-core-features -DTEST_CORE_FEATURES
 // RUN: %clang_cc1 -x cl -cl-std=CL1.1 %s -verify -triple spir-unknown-unknown -Wpedantic-core-features -DTEST_CORE_FEATURES
 // RUN: %clang_cc1 -x cl -cl-std=CL1.2 %s -verify -triple spir-unknown-unknown -Wpedantic-core-features -DTEST_CORE_FEATURES
 // RUN: %clang_cc1 -x cl -cl-std=CL2.0 %s -verify -triple spir-unknown-unknown -Wpedantic-core-features -DTEST_CORE_FEATURES
-// RUN: %clang_cc1 -x cl -cl-std=c++ %s -verify -triple spir-unknown-unknown -Wpedantic-core-features -DTEST_CORE_FEATURES
+// RUN: %clang_cc1 -x cl -cl-std=clc++ %s -verify -triple spir-unknown-unknown -Wpedantic-core-features -DTEST_CORE_FEATURES
 
 #if (defined(__OPENCL_CPP_VERSION__) || __OPENCL_C_VERSION__ >= 200) && !defined(TEST_CORE_FEATURES)
 // expected-no-diagnostics
 #endif
 
 // Extensions in all versions
 #ifndef cl_clang_storage_class_specifiers
 #error "Missing cl_clang_storage_class_specifiers define"

test/SemaOpenCL/extensions.cl

 // RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-ext=-all -cl-ext=+cl_khr_fp64,-cl_khr_fp64,+cl_khr_fp16 -DNOFP64
 
 // Test with -finclude-default-header, which includes opencl-c.h. opencl-c.h
 // disables all extensions by default, but supported core extensions for a
 // particular OpenCL version must be re-enabled (for example, cl_khr_fp64 is
 // enabled by default with -cl-std=CL2.0).
 //
 // RUN: %clang_cc1 %s -triple amdgcn-unknown-unknown -verify -pedantic -fsyntax-only -cl-std=CL2.0 -finclude-default-header
-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-std=c++
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-std=clc++
 
 #ifdef _OPENCL_H_
 // expected-no-diagnostics
 #endif
 
 #ifdef FP64
 // expected-no-diagnostics
 #endif

test/SemaOpenCL/invalid-image.cl

-// RUN: %clang_cc1 -verify -cl-std=c++ %s
+// RUN: %clang_cc1 -verify -cl-std=clc++ %s
 // RUN: %clang_cc1 -verify %s
 // RUN: %clang_cc1 -verify -D=ATTR_TEST -fms-compatibility %s
 
 void test1(image1d_t *i) {} // expected-error-re{{pointer to type '{{__generic __read_only|__read_only}} image1d_t' is invalid in OpenCL}}
 
 void test2(image1d_t i) {
   image1d_t ti;            // expected-error{{type '__read_only image1d_t' can only be used as a function parameter}}
   image1d_t ai[] = {i, i}; // expected-error{{array of '__read_only image1d_t' type is invalid in OpenCL}}

test/SemaOpenCL/invalid-pipes-cl2.0.cl

 // RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=CL2.0
-// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=c++
+// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=clc++
 
 global pipe int gp;            // expected-error {{type '__global read_only pipe int' can only be used as a function parameter in OpenCL}}
 global reserve_id_t rid;          // expected-error {{the '__global reserve_id_t' type cannot be used to declare a program scope variable}}
 
 extern pipe write_only int get_pipe(); // expected-error-re{{type '__global write_only pipe int ({{(void)?}})' can only be used as a function parameter in OpenCL}}
 
 kernel void test_invalid_reserved_id(reserve_id_t ID) { // expected-error {{'reserve_id_t' cannot be used as the type of a kernel parameter}}
 }

test/SemaOpenCLCXX/address-space-deduction.cl

-//RUN: %clang_cc1 %s -cl-std=c++ -pedantic -ast-dump -verify | FileCheck %s
+//RUN: %clang_cc1 %s -cl-std=clc++ -pedantic -ast-dump -verify | FileCheck %s
 
 //expected-no-diagnostics
 
 //CHECK: |-VarDecl {{.*}} foo 'const __global int'
 constexpr int foo = 0;
 
 class c {
 public:

test/SemaOpenCLCXX/address-space-of-this-class-scope.cl

-//RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -pedantic -verify
+//RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -pedantic -verify
 
 struct C {
   auto fGlob() __global -> decltype(this);
   auto fGen() -> decltype(this);
   auto fErr() __global __local -> decltype(this); //expected-error{{multiple address spaces specified for type}}
 };
 
 void bar(__local C*);

test/SemaOpenCLCXX/address-space-of-this.cl

-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -pedantic -verify -fsyntax-only
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -pedantic -verify -fsyntax-only
 // expected-no-diagnostics
 
 // Extract from PR38614
 struct C {};
 
 C f1() {
  return C{};
 }
 
 C f2(){
     C c;
     return c;
 }

test/SemaOpenCLCXX/address-space-references.cl

-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -pedantic -verify -fsyntax-only
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -pedantic -verify -fsyntax-only
 
 __global const int& f(__global float &ref) {
   return ref; // expected-error{{reference of type 'const __global int &' cannot bind to a temporary object because of address space mismatch}}
 }
 
 int bar(const __global unsigned int &i); // expected-note{{passing argument to parameter 'i' here}}
 //FIXME: With the overload below the call should be resolved
 // successfully. However, current overload resolution logic
 // can't detect this case and therefore fails.
 int bar(const unsigned int &i);
 
 void foo() {
   bar(1) // expected-error{{binding reference of type 'const __global unsigned int' to value of type 'int' changes address space}}
 }

test/SemaOpenCLCXX/address-space-templates.cl

-//RUN: %clang_cc1 %s -cl-std=c++ -pedantic -verify -fsyntax-only
+//RUN: %clang_cc1 %s -cl-std=clc++ -pedantic -verify -fsyntax-only
 
 template <typename T>
 struct S {
   T a;        // expected-error{{field may not be qualified with an address space}}
   T f1();     // we ignore address space on a return types.
   void f2(T); // expected-error{{parameter may not be qualified with an address space}}
 };
 

test/SemaOpenCLCXX/address_space_overloading.cl

-// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=c++
+// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=clc++
 // expected-no-diagnostics
 
 struct RetGlob {
   int dummy;
 };
 
 struct RetGen {
   char dummy;

test/SemaOpenCLCXX/kernel_invalid.cl

-// RUN: %clang_cc1 %s -cl-std=c++ -pedantic -verify -fsyntax-only
+// RUN: %clang_cc1 %s -cl-std=clc++ -pedantic -verify -fsyntax-only
 
 struct C {
   kernel void m(); //expected-error{{kernel functions cannot be class members}}
 };
 
 template <typename T>
 kernel void templ(T par) { //expected-error{{kernel functions cannot be used in a template declaration, instantiation or specialization}}
 }
 
 template <int>
 kernel void bar(int par) { //expected-error{{kernel functions cannot be used in a template declaration, instantiation or specialization}}
 }
 
 kernel void foo(int); //expected-note{{previous declaration is here}}
 
 kernel void foo(float); //expected-error{{conflicting types for 'foo'}}

test/SemaOpenCLCXX/method-overload-address-space.cl

-//RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -pedantic -verify
+//RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -pedantic -verify
 
 struct C {
   void m1() __local __local; //expected-warning{{multiple identical address spaces specified for type}}
   //expected-note@-1{{candidate function}}
   void m1() __global;
   //expected-note@-1{{candidate function}}
   void m2() __global __local; //expected-error{{multiple address spaces specified for type}}
 };

test/SemaOpenCLCXX/newdelete.cl

-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -pedantic -verify -fsyntax-only
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -pedantic -verify -fsyntax-only
 
 class A {
   public:
   A() : x(21) {}
   int x;
 };
 
 typedef __SIZE_TYPE__ size_t;

test/SemaOpenCLCXX/restricted.cl

-// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=c++ -pedantic -verify -fsyntax-only
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -cl-std=clc++ -pedantic -verify -fsyntax-only
 
 // This test checks that various C/C++/OpenCL C constructs are not available in
 // C++ for OpenCL.
 
 // Test that typeid is not available.
 namespace std {
   // Provide a dummy std::type_info so that we can use typeid.
   class type_info {