r269670 - [OpenCL] Add supported OpenCL extensions to target info.
Liu, Yaxun (Sam) via cfe-commits
cfe-commits at lists.llvm.org
Fri May 20 12:51:59 PDT 2016
I think this feature can be implemented by keeping a record of enabled OpenCL extensions by user's program.
For optional core feature cl_khr_fp64, we just need to detect if double type is used by user's program.
Sam
-----Original Message-----
From: Liu, Yaxun (Sam)
Sent: Friday, May 20, 2016 3:45 PM
To: 'Anastasia Stulova' <Anastasia.Stulova at arm.com>; Jeroen Ketema <j.ketema at imperial.ac.uk>
Cc: Clang Commits <cfe-commits at lists.llvm.org>; nd <nd at arm.com>
Subject: RE: r269670 - [OpenCL] Add supported OpenCL extensions to target info.
Currently Clang does not emit opencl.used.extensions metadata, so the issue mentioned does not exist.
Also extensions supported by a target and extensions used by an OpenCL program is different concept.
I'd say Clang currently miss a feature to detect used extensions and emit the metadata.
Sam
-----Original Message-----
From: Anastasia Stulova [mailto:Anastasia.Stulova at arm.com]
Sent: Friday, May 20, 2016 3:23 PM
To: Liu, Yaxun (Sam) <Yaxun.Liu at amd.com>; Jeroen Ketema <j.ketema at imperial.ac.uk>
Cc: Clang Commits <cfe-commits at lists.llvm.org>; nd <nd at arm.com>
Subject: Re: r269670 - [OpenCL] Add supported OpenCL extensions to target info.
Hi Sam,
Has this been addressed?
@Jeroen, as far as I am aware adding supported extensions is completely new to Clang and shouldn't be braking any existing functionality that are related to that. Could you elaborate on the problem. Would creating new Clang target help? Otherwise, do you have any other proposal for the solution?
Thanks,
Anastasia
________________________________________
From: cfe-commits <cfe-commits-bounces at lists.llvm.org> on behalf of Jeroen Ketema via cfe-commits <cfe-commits at lists.llvm.org>
Sent: 17 May 2016 12:49
To: Yaxun Liu via cfe-commits
Subject: Re: r269670 - [OpenCL] Add supported OpenCL extensions to target info.
Hi,
The below commit enables all OpenCL extensions for the SPIR target by default. This incorrect, as SPIR allows you to specify which extensions are enabled/disabled its metadata. This means that any SPIR generated by Clang may now be rejected by specific OpenCL platforms, because they might not support all extensions.
If possible I would like to see this commit reverted until that problem has been addressed.
Regards,
Jeroen
> On 16 May 2016, at 18:06, Yaxun Liu via cfe-commits <cfe-commits at lists.llvm.org> wrote:
>
> Author: yaxunl
> Date: Mon May 16 12:06:34 2016
> New Revision: 269670
>
> URL: http://llvm.org/viewvc/llvm-project?rev=269670&view=rev
> Log:
> [OpenCL] Add supported OpenCL extensions to target info.
>
> Add supported OpenCL extensions to target info. It serves as default values to save the users of the burden setting each supported extensions and optional core features in command line.
>
> Re-commit after fixing build error due to missing override attribute.
>
> Differential Revision: http://reviews.llvm.org/D19484
>
> Added:
> cfe/trunk/include/clang/Basic/OpenCLOptions.h
> cfe/trunk/test/SemaOpenCL/extensions.cl
> Removed:
> cfe/trunk/test/SemaOpenCL/extension-fp64-cl1.1.cl
> cfe/trunk/test/SemaOpenCL/extension-fp64.cl
> cfe/trunk/test/SemaOpenCL/optional-core-fp64-cl1.2.cl
> cfe/trunk/test/SemaOpenCL/optional-core-fp64-cl2.0.cl
> Modified:
> cfe/trunk/include/clang/Basic/DiagnosticParseKinds.td
> cfe/trunk/include/clang/Basic/LangOptions.h
> cfe/trunk/include/clang/Basic/OpenCLExtensions.def
> cfe/trunk/include/clang/Basic/TargetInfo.h
> cfe/trunk/include/clang/Basic/TargetOptions.h
> cfe/trunk/lib/Basic/Targets.cpp
> cfe/trunk/lib/Frontend/InitPreprocessor.cpp
> cfe/trunk/lib/Parse/ParsePragma.cpp
> cfe/trunk/lib/Sema/Sema.cpp
> cfe/trunk/test/CodeGenOpenCL/builtins-r600.cl
> cfe/trunk/test/CodeGenOpenCL/fpmath.cl
> cfe/trunk/test/CodeGenOpenCL/half.cl
> cfe/trunk/test/Lexer/opencl-half-literal.cl
> cfe/trunk/test/Misc/languageOptsOpenCL.cl
> cfe/trunk/test/PCH/opencl-extensions.cl
> cfe/trunk/test/Parser/opencl-astype.cl
> cfe/trunk/test/Parser/opencl-atomics-cl20.cl
> cfe/trunk/test/Parser/opencl-pragma.cl
> cfe/trunk/test/Parser/opencl-storage-class.cl
> cfe/trunk/test/SemaOpenCL/half.cl
> cfe/trunk/test/SemaOpenCL/invalid-kernel-parameters.cl
> cfe/trunk/test/SemaOpenCL/invalid-logical-ops-1.2.cl
>
> Modified: cfe/trunk/include/clang/Basic/DiagnosticParseKinds.td
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Diag
> nosticParseKinds.td?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/include/clang/Basic/DiagnosticParseKinds.td (original)
> +++ cfe/trunk/include/clang/Basic/DiagnosticParseKinds.td Mon May 16
> +++ 12:06:34 2016
> @@ -926,6 +926,10 @@ def warn_pragma_expected_enable_disable
> "expected 'enable' or 'disable' - ignoring">,
> InGroup<IgnoredPragmas>; def warn_pragma_unknown_extension : Warning<
> "unknown OpenCL extension %0 - ignoring">, InGroup<IgnoredPragmas>;
> +def warn_pragma_unsupported_extension : Warning<
> + "unsupported OpenCL extension %0 - ignoring">,
> +InGroup<IgnoredPragmas>; def warn_pragma_extension_is_core : Warning<
> + "OpenCL extension %0 is core feature or supported optional core
> +feature - ignoring">, InGroup<IgnoredPragmas>;
>
> // OpenCL errors.
> def err_opencl_taking_function_address_parser : Error<
>
> Modified: cfe/trunk/include/clang/Basic/LangOptions.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Lang
> Options.h?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/include/clang/Basic/LangOptions.h (original)
> +++ cfe/trunk/include/clang/Basic/LangOptions.h Mon May 16 12:06:34
> +++ 2016
> @@ -160,18 +160,6 @@ public:
> fp_contract(LangOpts.DefaultFPContract) {} };
>
> -/// \brief OpenCL volatile options
> -class OpenCLOptions {
> -public:
> -#define OPENCLEXT(nm) unsigned nm : 1; -#include
> "clang/Basic/OpenCLExtensions.def"
> -
> - OpenCLOptions() {
> -#define OPENCLEXT(nm) nm = 0;
> -#include "clang/Basic/OpenCLExtensions.def"
> - }
> -};
> -
> /// \brief Describes the kind of translation unit being processed.
> enum TranslationUnitKind {
> /// \brief The translation unit is a complete translation unit.
>
> Modified: cfe/trunk/include/clang/Basic/OpenCLExtensions.def
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Open
> CLExtensions.def?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/include/clang/Basic/OpenCLExtensions.def (original)
> +++ cfe/trunk/include/clang/Basic/OpenCLExtensions.def Mon May 16
> +++ 12:06:34 2016
> @@ -11,25 +11,67 @@
> //
> //===-----------------------------------------------------------------
> -----===//
>
> +// Macro OPENCLEXT or OPENCLEXT_INTERNAL can be defined to enumerate
> +the // OpenCL extensions listed in this file.
> +//
> +// If the extensions are to be enumerated without the supported
> +OpenCL version, // define OPENCLEXT(ext) where ext is the name of the extension.
> +//
> +// If the extensions are to be enumerated with supported OpenCL
> +version, // define OPENCLEXT_INTERNAL(ext, avail, core) where
> +// ext - name of the extension or optional core feature.
> +// avail - minimum OpenCL version supporting it.
> +// core - minimum OpenCL version when the extension becomes optional core
> +// feature or core feature. ~0U indicates not a core feature or an
> +// optional core feature.
> +
> +#ifndef OPENCLEXT_INTERNAL
> +#ifndef OPENCLEXT
> +#pragma error "macro OPENCLEXT or OPENCLEXT_INTERNAL is required"
> +#else
> +#define OPENCLEXT_INTERNAL(ext, ...) OPENCLEXT(ext) #endif //
> +OPENCLEXT #endif // OPENCLEXT_INTERNAL
> +
> +// OpenCL 1.0.
> +OPENCLEXT_INTERNAL(cl_khr_3d_image_writes, 100, 120)
> +OPENCLEXT_INTERNAL(cl_khr_byte_addressable_store, 100, 110)
> +OPENCLEXT_INTERNAL(cl_khr_fp16, 100, ~0U)
> +OPENCLEXT_INTERNAL(cl_khr_fp64, 100, 120)
> +OPENCLEXT_INTERNAL(cl_khr_global_int32_base_atomics, 100, 110)
> +OPENCLEXT_INTERNAL(cl_khr_global_int32_extended_atomics, 100, 110)
> +OPENCLEXT_INTERNAL(cl_khr_gl_sharing, 100, ~0U)
> +OPENCLEXT_INTERNAL(cl_khr_icd, 100, ~0U)
> +OPENCLEXT_INTERNAL(cl_khr_local_int32_base_atomics, 100, 110)
> +OPENCLEXT_INTERNAL(cl_khr_local_int32_extended_atomics, 100, 110)
> +
> // OpenCL 1.1.
> -OPENCLEXT(cl_khr_fp64)
> -OPENCLEXT(cl_khr_int64_base_atomics)
> -OPENCLEXT(cl_khr_int64_extended_atomics)
> -OPENCLEXT(cl_khr_fp16)
> -OPENCLEXT(cl_khr_gl_sharing)
> -OPENCLEXT(cl_khr_gl_event)
> -OPENCLEXT(cl_khr_d3d10_sharing)
> -OPENCLEXT(cl_khr_global_int32_base_atomics)
> -OPENCLEXT(cl_khr_global_int32_extended_atomics)
> -OPENCLEXT(cl_khr_local_int32_base_atomics)
> -OPENCLEXT(cl_khr_local_int32_extended_atomics)
> -OPENCLEXT(cl_khr_byte_addressable_store)
> -OPENCLEXT(cl_khr_3d_image_writes)
> +OPENCLEXT_INTERNAL(cl_khr_d3d10_sharing, 110, ~0U)
> +OPENCLEXT_INTERNAL(cl_khr_gl_event, 110, ~0U)
> +OPENCLEXT_INTERNAL(cl_khr_int64_base_atomics, 110, ~0U)
> +OPENCLEXT_INTERNAL(cl_khr_int64_extended_atomics, 110, ~0U)
> +
> +// OpenCL 1.2.
> +OPENCLEXT_INTERNAL(cl_khr_d3d11_sharing, 120, ~0U)
> +OPENCLEXT_INTERNAL(cl_khr_depth_images, 120, ~0U)
> +OPENCLEXT_INTERNAL(cl_khr_dx9_media_sharing, 120, ~0U)
> +OPENCLEXT_INTERNAL(cl_khr_gl_depth_images, 120, ~0U)
> +OPENCLEXT_INTERNAL(cl_khr_spir, 120, ~0U)
>
> -// OpenCL 2.0
> -OPENCLEXT(cl_khr_gl_msaa_sharing)
> +// OpenCL 2.0.
> +OPENCLEXT_INTERNAL(cl_khr_egl_event, 200, ~0U)
> +OPENCLEXT_INTERNAL(cl_khr_egl_image, 200, ~0U)
> +OPENCLEXT_INTERNAL(cl_khr_gl_msaa_sharing, 200, ~0U)
> +OPENCLEXT_INTERNAL(cl_khr_initialize_memory, 200, ~0U)
> +OPENCLEXT_INTERNAL(cl_khr_srgb_image_writes, 200, ~0U)
> +OPENCLEXT_INTERNAL(cl_khr_subgroups, 200, ~0U)
> +OPENCLEXT_INTERNAL(cl_khr_terminate_context, 200, ~0U)
>
> // Clang Extensions.
> -OPENCLEXT(cl_clang_storage_class_specifiers)
> +OPENCLEXT_INTERNAL(cl_clang_storage_class_specifiers, 100, ~0U)
> +
> +#undef OPENCLEXT_INTERNAL
>
> +#ifdef OPENCLEXT
> #undef OPENCLEXT
> +#endif
>
> Added: cfe/trunk/include/clang/Basic/OpenCLOptions.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Open
> CLOptions.h?rev=269670&view=auto
> ======================================================================
> ========
> --- cfe/trunk/include/clang/Basic/OpenCLOptions.h (added)
> +++ cfe/trunk/include/clang/Basic/OpenCLOptions.h Mon May 16 12:06:34
> +++ 2016
> @@ -0,0 +1,68 @@
> +//===--- OpenCLOptions.h ----------------------------------------*-
> +C++ -*-===// //
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is distributed under the University of Illinois Open
> +Source // License. See LICENSE.TXT for details.
> +//
> +//===----------------------------------------------------------------
> +------===//
> +///
> +/// \file
> +/// \brief Defines the clang::OpenCLOptions class.
> +///
> +//===----------------------------------------------------------------
> +------===//
> +
> +#ifndef LLVM_CLANG_BASIC_OPENCLOPTIONS_H #define
> +LLVM_CLANG_BASIC_OPENCLOPTIONS_H
> +
> +#include <string>
> +#include <vector>
> +
> +namespace clang {
> +
> +/// \brief OpenCL supported extensions and optional core features
> +class OpenCLOptions {
> +public:
> +#define OPENCLEXT(nm) unsigned nm : 1; #include
> +"clang/Basic/OpenCLExtensions.def"
> +
> + OpenCLOptions() {
> +#define OPENCLEXT(nm) nm = 0;
> +#include "clang/Basic/OpenCLExtensions.def"
> + }
> +
> + // Enable all options.
> + void setAll() {
> +#define OPENCLEXT(nm) nm = 1;
> +#include "clang/Basic/OpenCLExtensions.def"
> + }
> +
> + // Is supported with OpenCL version \p OCLVer.
> +#define OPENCLEXT_INTERNAL(Ext, Avail, ...) \
> + bool is_##Ext##_supported(unsigned OCLVer) const { \
> + return Ext && OCLVer >= Avail; \
> + }
> +#include "clang/Basic/OpenCLExtensions.def"
> +
> +
> + // Is supported OpenCL extension with OpenCL version \p OCLVer.
> + // For supported optional core feature, return false.
> +#define OPENCLEXT_INTERNAL(Ext, Avail, Core) \
> + bool is_##Ext##_supported_extension(unsigned CLVer) const { \
> + return is_##Ext##_supported(CLVer) && (Core == ~0U || CLVer <
> +Core); \
> + }
> +#include "clang/Basic/OpenCLExtensions.def"
> +
> + // Is supported OpenCL core features with OpenCL version \p OCLVer.
> + // For supported extension, return false.
> +#define OPENCLEXT_INTERNAL(Ext, Avail, Core) \
> + bool is_##Ext##_supported_core(unsigned CLVer) const { \
> + return is_##Ext##_supported(CLVer) && Core != ~0U && CLVer >=
> +Core; \
> + }
> +#include "clang/Basic/OpenCLExtensions.def"
> +
> +};
> +
> +} // end namespace clang
> +
> +#endif
>
> Modified: cfe/trunk/include/clang/Basic/TargetInfo.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Targ
> etInfo.h?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/include/clang/Basic/TargetInfo.h (original)
> +++ cfe/trunk/include/clang/Basic/TargetInfo.h Mon May 16 12:06:34
> +++ 2016
> @@ -969,6 +969,19 @@ public:
> /// \brief Whether target allows to overalign ABI-specified prefered
> alignment virtual bool allowsLargerPreferedTypeAlignment() const {
> return true; }
>
> + /// \brief Set supported OpenCL extensions and optional core features.
> + virtual void setSupportedOpenCLOpts() {}
> +
> + /// \brief Get supported OpenCL extensions and optional core features.
> + OpenCLOptions &getSupportedOpenCLOpts() {
> + return getTargetOpts().SupportedOpenCLOptions;
> + }
> +
> + /// \brief Get const supported OpenCL extensions and optional core features.
> + const OpenCLOptions &getSupportedOpenCLOpts() const {
> + return getTargetOpts().SupportedOpenCLOptions;
> + }
> +
> protected:
> virtual uint64_t getPointerWidthV(unsigned AddrSpace) const {
> return PointerWidth;
>
> Modified: cfe/trunk/include/clang/Basic/TargetOptions.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Targ
> etOptions.h?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/include/clang/Basic/TargetOptions.h (original)
> +++ cfe/trunk/include/clang/Basic/TargetOptions.h Mon May 16 12:06:34
> +++ 2016
> @@ -17,6 +17,7 @@
>
> #include <string>
> #include <vector>
> +#include "clang/Basic/OpenCLOptions.h"
>
> namespace clang {
>
> @@ -54,6 +55,9 @@ public:
> std::vector<std::string> Features;
>
> std::vector<std::string> Reciprocals;
> +
> + /// Supported OpenCL extensions and optional core features.
> + OpenCLOptions SupportedOpenCLOptions;
> };
>
> } // end namespace clang
>
> Modified: cfe/trunk/lib/Basic/Targets.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?re
> v=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/lib/Basic/Targets.cpp (original)
> +++ cfe/trunk/lib/Basic/Targets.cpp Mon May 16 12:06:34 2016
> @@ -1999,17 +1999,6 @@ public:
> Builder.defineMacro("__HAS_FMAF__");
> if (hasLDEXPF)
> Builder.defineMacro("__HAS_LDEXPF__");
> - if (hasFP64 && Opts.OpenCL)
> - Builder.defineMacro("cl_khr_fp64");
> - if (Opts.OpenCL) {
> - if (GPU >= GK_NORTHERN_ISLANDS) {
> - Builder.defineMacro("cl_khr_byte_addressable_store");
> - Builder.defineMacro("cl_khr_global_int32_base_atomics");
> - Builder.defineMacro("cl_khr_global_int32_extended_atomics");
> - Builder.defineMacro("cl_khr_local_int32_base_atomics");
> - Builder.defineMacro("cl_khr_local_int32_extended_atomics");
> - }
> - }
> }
>
> BuiltinVaListKind getBuiltinVaListKind() const override { @@ -2097,6
> +2086,31 @@ public:
>
> return true;
> }
> +
> + void setSupportedOpenCLOpts() override {
> + auto &Opts = getSupportedOpenCLOpts();
> + Opts.cl_clang_storage_class_specifiers = 1;
> + Opts.cl_khr_gl_sharing = 1;
> + Opts.cl_khr_gl_event = 1;
> + Opts.cl_khr_d3d10_sharing = 1;
> + Opts.cl_khr_subgroups = 1;
> +
> + if (hasFP64)
> + Opts.cl_khr_fp64 = 1;
> + if (GPU >= GK_NORTHERN_ISLANDS) {
> + Opts.cl_khr_byte_addressable_store = 1;
> + Opts.cl_khr_global_int32_base_atomics = 1;
> + Opts.cl_khr_global_int32_extended_atomics = 1;
> + Opts.cl_khr_local_int32_base_atomics = 1;
> + Opts.cl_khr_local_int32_extended_atomics = 1;
> + }
> + if (GPU >= GK_SOUTHERN_ISLANDS)
> + Opts.cl_khr_fp16 = 1;
> + Opts.cl_khr_int64_base_atomics = 1;
> + Opts.cl_khr_int64_extended_atomics = 1;
> + Opts.cl_khr_3d_image_writes = 1;
> + Opts.cl_khr_gl_msaa_sharing = 1; }
> };
>
> const Builtin::Info AMDGPUTargetInfo::BuiltinInfo[] = { @@ -2716,6
> +2730,10 @@ public:
> bool hasSjLjLowering() const override {
> return true;
> }
> +
> + void setSupportedOpenCLOpts() override {
> + getSupportedOpenCLOpts().setAll();
> + }
> };
>
> bool X86TargetInfo::setFPMath(StringRef Name) { @@ -7858,6 +7876,12 @@
> public:
> CallingConv getDefaultCallingConv(CallingConvMethodType MT) const override {
> return CC_SpirFunction;
> }
> +
> + void setSupportedOpenCLOpts() override {
> + // Assume all OpenCL extensions and optional core features are supported
> + // for SPIR since it is a generic target.
> + getSupportedOpenCLOpts().setAll();
> + }
> };
>
> class SPIR32TargetInfo : public SPIRTargetInfo { @@ -8458,5 +8482,7 @@
> TargetInfo::CreateTargetInfo(Diagnostics
> if (!Target->handleTargetFeatures(Opts->Features, Diags))
> return nullptr;
>
> + Target->setSupportedOpenCLOpts();
> +
> return Target.release();
> }
>
> Modified: cfe/trunk/lib/Frontend/InitPreprocessor.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/InitPreproc
> essor.cpp?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/lib/Frontend/InitPreprocessor.cpp (original)
> +++ cfe/trunk/lib/Frontend/InitPreprocessor.cpp Mon May 16 12:06:34
> +++ 2016
> @@ -938,6 +938,15 @@ static void InitializePredefinedMacros(c
> Builder.defineMacro("__CUDA_ARCH__");
> }
>
> + // OpenCL definitions.
> + if (LangOpts.OpenCL) {
> +#define OPENCLEXT(Ext) \
> + if (TI.getSupportedOpenCLOpts().is_##Ext##_supported( \
> + LangOpts.OpenCLVersion)) \
> + Builder.defineMacro(#Ext);
> +#include "clang/Basic/OpenCLExtensions.def"
> + }
> +
> // Get other target #defines.
> TI.getTargetDefines(LangOpts, Builder); }
>
> Modified: cfe/trunk/lib/Parse/ParsePragma.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Parse/ParsePragma.cp
> p?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/lib/Parse/ParsePragma.cpp (original)
> +++ cfe/trunk/lib/Parse/ParsePragma.cpp Mon May 16 12:06:34 2016
> @@ -468,14 +468,24 @@ void Parser::HandlePragmaOpenCLExtension
> ConsumeToken(); // The annotation token.
>
> OpenCLOptions &f = Actions.getOpenCLOptions();
> + auto CLVer = getLangOpts().OpenCLVersion; auto &Supp =
> + getTargetInfo().getSupportedOpenCLOpts();
> // OpenCL 1.1 9.1: "The all variant sets the behavior for all
> extensions, // overriding all previously issued extension directives,
> but only if the // behavior is set to disable."
> if (state == 0 && ename->isStr("all")) {
> -#define OPENCLEXT(nm) f.nm = 0;
> +#define OPENCLEXT(nm) \
> + if (Supp.is_##nm##_supported_extension(CLVer)) \
> + f.nm = 0;
> #include "clang/Basic/OpenCLExtensions.def"
> }
> -#define OPENCLEXT(nm) else if (ename->isStr(#nm)) { f.nm = state; }
> +#define OPENCLEXT(nm) else if (ename->isStr(#nm)) \
> + if (Supp.is_##nm##_supported_extension(CLVer)) \
> + f.nm = state; \
> + else if (Supp.is_##nm##_supported_core(CLVer)) \
> + PP.Diag(NameLoc, diag::warn_pragma_extension_is_core) << ename; \
> + else \
> + PP.Diag(NameLoc, diag::warn_pragma_unsupported_extension) <<
> +ename;
> #include "clang/Basic/OpenCLExtensions.def"
> else {
> PP.Diag(NameLoc, diag::warn_pragma_unknown_extension) << ename;
>
> Modified: cfe/trunk/lib/Sema/Sema.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/Sema.cpp?rev=26
> 9670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/lib/Sema/Sema.cpp (original)
> +++ cfe/trunk/lib/Sema/Sema.cpp Mon May 16 12:06:34 2016
> @@ -207,8 +207,14 @@ void Sema::Initialize() {
> addImplicitTypedef("size_t", Context.getSizeType()); }
>
> - // Initialize predefined OpenCL types.
> + // Initialize predefined OpenCL types and supported optional core features.
> if (getLangOpts().OpenCL) {
> +#define OPENCLEXT(Ext) \
> + if (Context.getTargetInfo().getSupportedOpenCLOpts().is_##Ext##_supported_core( \
> + getLangOpts().OpenCLVersion)) \
> + getOpenCLOptions().Ext = 1;
> +#include "clang/Basic/OpenCLExtensions.def"
> +
> addImplicitTypedef("sampler_t", Context.OCLSamplerTy);
> addImplicitTypedef("event_t", Context.OCLEventTy);
> if (getLangOpts().OpenCLVersion >= 200) {
>
> Modified: cfe/trunk/test/CodeGenOpenCL/builtins-r600.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenOpenCL/built
> ins-r600.cl?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/test/CodeGenOpenCL/builtins-r600.cl (original)
> +++ cfe/trunk/test/CodeGenOpenCL/builtins-r600.cl Mon May 16 12:06:34
> +++ 2016
> @@ -1,5 +1,5 @@
> // REQUIRES: amdgpu-registered-target
> -// RUN: %clang_cc1 -triple r600-unknown-unknown -S -emit-llvm -o - %s
> | FileCheck %s
> +// RUN: %clang_cc1 -triple r600-unknown-unknown -target-cpu rv670 -S
> +-emit-llvm -o - %s | FileCheck %s
>
> #pragma OPENCL EXTENSION cl_khr_fp64 : enable
>
>
> Modified: cfe/trunk/test/CodeGenOpenCL/fpmath.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenOpenCL/fpmat
> h.cl?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/test/CodeGenOpenCL/fpmath.cl (original)
> +++ cfe/trunk/test/CodeGenOpenCL/fpmath.cl Mon May 16 12:06:34 2016
> @@ -1,4 +1,4 @@
> -// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
> +// RUN: %clang_cc1 %s -emit-llvm -o - -triple spir-unknown-unknown |
> +FileCheck %s
>
> typedef __attribute__(( ext_vector_type(4) )) float float4;
>
>
> Modified: cfe/trunk/test/CodeGenOpenCL/half.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenOpenCL/half.
> cl?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/test/CodeGenOpenCL/half.cl (original)
> +++ cfe/trunk/test/CodeGenOpenCL/half.cl Mon May 16 12:06:34 2016
> @@ -1,4 +1,4 @@
> -// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
> +// RUN: %clang_cc1 %s -emit-llvm -o - -triple spir-unknown-unknown |
> +FileCheck %s
>
> #pragma OPENCL EXTENSION cl_khr_fp16 : enable
>
>
> Modified: cfe/trunk/test/Lexer/opencl-half-literal.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Lexer/opencl-half-l
> iteral.cl?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/test/Lexer/opencl-half-literal.cl (original)
> +++ cfe/trunk/test/Lexer/opencl-half-literal.cl Mon May 16 12:06:34
> +++ 2016
> @@ -1,4 +1,4 @@
> -// RUN: %clang_cc1 %s -fsyntax-only -verify
> +// RUN: %clang_cc1 %s -fsyntax-only -verify -triple
> +spir-unknown-unknown
>
> #pragma OPENCL EXTENSION cl_khr_fp16 : enable
>
>
> Modified: cfe/trunk/test/Misc/languageOptsOpenCL.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Misc/languageOptsOp
> enCL.cl?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/test/Misc/languageOptsOpenCL.cl (original)
> +++ cfe/trunk/test/Misc/languageOptsOpenCL.cl Mon May 16 12:06:34 2016
> @@ -1,4 +1,4 @@
> -// RUN: %clang_cc1 -x cl %s -verify
> +// RUN: %clang_cc1 -x cl %s -verify -triple spir-unknown-unknown
> // expected-no-diagnostics
>
> // Test the forced language options for OpenCL are set correctly.
>
> Modified: cfe/trunk/test/PCH/opencl-extensions.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/PCH/opencl-extensio
> ns.cl?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/test/PCH/opencl-extensions.cl (original)
> +++ cfe/trunk/test/PCH/opencl-extensions.cl Mon May 16 12:06:34 2016
> @@ -1,5 +1,5 @@
> -// RUN: %clang_cc1 -emit-pch -o %t %s -// RUN: %clang_cc1
> -include-pch %t -fsyntax-only %s
> +// RUN: %clang_cc1 -emit-pch -o %t %s -triple spir-unknown-unknown //
> +RUN: %clang_cc1 -include-pch %t -fsyntax-only %s -triple
> +spir-unknown-unknown
>
> #ifndef HEADER
> #define HEADER
>
> Modified: cfe/trunk/test/Parser/opencl-astype.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Parser/opencl-astyp
> e.cl?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/test/Parser/opencl-astype.cl (original)
> +++ cfe/trunk/test/Parser/opencl-astype.cl Mon May 16 12:06:34 2016
> @@ -1,4 +1,4 @@
> -// RUN: %clang_cc1 -fsyntax-only -verify %s
> +// RUN: %clang_cc1 -fsyntax-only -verify %s -triple
> +spir-unknown-unknown
> #pragma OPENCL EXTENSION cl_khr_fp64 : enable
>
> void test_astype() {
>
> Modified: cfe/trunk/test/Parser/opencl-atomics-cl20.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Parser/opencl-atomi
> cs-cl20.cl?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/test/Parser/opencl-atomics-cl20.cl (original)
> +++ cfe/trunk/test/Parser/opencl-atomics-cl20.cl Mon May 16 12:06:34
> +++ 2016
> @@ -1,11 +1,14 @@
> -// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -// RUN:
> %clang_cc1 %s -verify -fsyntax-only -cl-std=CL2.0 -DCL20 -// RUN:
> %clang_cc1 %s -verify -fsyntax-only -cl-std=CL2.0 -DCL20 -DEXT
> +// RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -pedantic
> +-fsyntax-only // RUN: %clang_cc1 %s -triple spir-unknown-unknown
> +-verify -fsyntax-only -cl-std=CL2.0 -DCL20 // RUN: %clang_cc1 %s
> +-triple spir-unknown-unknown -verify -fsyntax-only -cl-std=CL2.0
> +-DCL20 -DEXT
>
> #ifdef EXT
> #pragma OPENCL EXTENSION cl_khr_int64_base_atomics:enable #pragma
> OPENCL EXTENSION cl_khr_int64_extended_atomics:enable
> #pragma OPENCL EXTENSION cl_khr_fp64:enable
> +#if __OPENCL_C_VERSION__ >= CL_VERSION_1_2 // expected-warning at
> +-2{{OpenCL extension 'cl_khr_fp64' is core feature or supported
> +optional core feature - ignoring}} #endif
> #endif
>
> void atomic_types_test() {
> @@ -44,15 +47,14 @@ void atomic_types_test() { // expected-error at
> -28 {{use of type 'atomic_ulong' (aka '_Atomic(unsigned long)')
> requires cl_khr_int64_extended_atomics extension to be enabled}} //
> expected-error at -27 {{use of type 'atomic_double' (aka
> '_Atomic(double)') requires cl_khr_int64_base_atomics extension to be
> enabled}} // expected-error at -28 {{use of type 'atomic_double' (aka
> '_Atomic(double)') requires cl_khr_int64_extended_atomics extension to
> be enabled}} -// expected-error at -29 {{use of type 'atomic_double'
> (aka '_Atomic(double)') requires cl_khr_fp64 extension to be enabled}}
> -// expected-error-re at -28 {{use of type 'atomic_intptr_t' (aka
> '_Atomic({{.+}})') requires cl_khr_int64_base_atomics extension to be
> enabled}} -// expected-error-re at -29 {{use of type 'atomic_intptr_t'
> (aka '_Atomic({{.+}})') requires cl_khr_int64_extended_atomics
> extension to be enabled}} -// expected-error-re at -29 {{use of type
> 'atomic_uintptr_t' (aka '_Atomic({{.+}})') requires
> cl_khr_int64_base_atomics extension to be enabled}} -//
> expected-error-re at -30 {{use of type 'atomic_uintptr_t' (aka
> '_Atomic({{.+}})') requires cl_khr_int64_extended_atomics extension to
> be enabled}} -// expected-error-re at -30 {{use of type
> 'atomic_size_t' (aka '_Atomic({{.+}})') requires
> cl_khr_int64_base_atomics extension to be enabled}} -//
> expected-error-re at -31 {{use of type 'atomic_size_t' (aka
> '_Atomic({{.+}})') requires cl_khr_int64_extended_atomics extension to
> be enabled}} -// expected-error-re at -31 {{use of type
> 'atomic_ptrdiff_t' (aka '_Atomic({{.+}})') requires
> cl_khr_int64_base_atomics extension to be enabled}} -//
> expected-error-re at -32 {{use of type 'atomic_ptrdiff_t' (aka
> '_Atomic({{.+}})') requires cl_khr_int64_extended_atomics extension to
> be enabled}}
> +// expected-error-re at -27 {{use of type 'atomic_intptr_t' (aka
> +'_Atomic({{.+}})') requires cl_khr_int64_base_atomics extension to be
> +enabled}} // expected-error-re at -28 {{use of type 'atomic_intptr_t'
> +(aka '_Atomic({{.+}})') requires cl_khr_int64_extended_atomics
> +extension to be enabled}} // expected-error-re at -28 {{use of type
> +'atomic_uintptr_t' (aka '_Atomic({{.+}})') requires
> +cl_khr_int64_base_atomics extension to be enabled}} //
> +expected-error-re at -29 {{use of type 'atomic_uintptr_t' (aka
> +'_Atomic({{.+}})') requires cl_khr_int64_extended_atomics extension
> +to be enabled}} // expected-error-re at -29 {{use of type
> +'atomic_size_t' (aka '_Atomic({{.+}})') requires
> +cl_khr_int64_base_atomics extension to be enabled}} //
> +expected-error-re at -30 {{use of type 'atomic_size_t' (aka
> +'_Atomic({{.+}})') requires cl_khr_int64_extended_atomics extension
> +to be enabled}} // expected-error-re at -30 {{use of type
> +'atomic_ptrdiff_t' (aka '_Atomic({{.+}})') requires
> +cl_khr_int64_base_atomics extension to be enabled}} //
> +expected-error-re at -31 {{use of type 'atomic_ptrdiff_t' (aka
> +'_Atomic({{.+}})') requires cl_khr_int64_extended_atomics extension
> +to be enabled}}
> #endif
>
> #ifdef CL20
>
> Modified: cfe/trunk/test/Parser/opencl-pragma.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Parser/opencl-pragm
> a.cl?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/test/Parser/opencl-pragma.cl (original)
> +++ cfe/trunk/test/Parser/opencl-pragma.cl Mon May 16 12:06:34 2016
> @@ -1,4 +1,4 @@
> -// RUN: %clang_cc1 %s -verify -pedantic -Wno-empty-translation-unit
> -fsyntax-only
> +// RUN: %clang_cc1 %s -verify -pedantic -Wno-empty-translation-unit
> +-fsyntax-only -triple spir-unknown-unknown
>
> #pragma OPENCL EXTENSION cl_khr_fp16 : enable
>
>
> Modified: cfe/trunk/test/Parser/opencl-storage-class.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Parser/opencl-stora
> ge-class.cl?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/test/Parser/opencl-storage-class.cl (original)
> +++ cfe/trunk/test/Parser/opencl-storage-class.cl Mon May 16 12:06:34
> +++ 2016
> @@ -1,4 +1,4 @@
> -// RUN: %clang_cc1 %s -verify -fsyntax-only
> +// RUN: %clang_cc1 %s -verify -fsyntax-only -triple
> +spir-unknown-unknown
>
> void test_storage_class_specs()
> {
>
> Removed: cfe/trunk/test/SemaOpenCL/extension-fp64-cl1.1.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaOpenCL/extensio
> n-fp64-cl1.1.cl?rev=269669&view=auto
> ======================================================================
> ========
> --- cfe/trunk/test/SemaOpenCL/extension-fp64-cl1.1.cl (original)
> +++ cfe/trunk/test/SemaOpenCL/extension-fp64-cl1.1.cl (removed)
> @@ -1,19 +0,0 @@
> -// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=CL1.1
> -
> -void f1(double da) { // expected-error {{type 'double' requires
> cl_khr_fp64 extension}}
> - double d; // expected-error {{type 'double' requires cl_khr_fp64
> extension}}
> - (void) 1.0; // expected-warning {{double precision constant
> requires cl_khr_fp64}} -}
> -
> -#pragma OPENCL EXTENSION cl_khr_fp64 : enable
> -
> -void f2(void) {
> - double d;
> - (void) 1.0;
> -}
> -
> -#pragma OPENCL EXTENSION cl_khr_fp64 : disable
> -
> -void f3(void) {
> - double d; // expected-error {{type 'double' requires cl_khr_fp64
> extension}} -}
>
> Removed: cfe/trunk/test/SemaOpenCL/extension-fp64.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaOpenCL/extensio
> n-fp64.cl?rev=269669&view=auto
> ======================================================================
> ========
> --- cfe/trunk/test/SemaOpenCL/extension-fp64.cl (original)
> +++ cfe/trunk/test/SemaOpenCL/extension-fp64.cl (removed)
> @@ -1,19 +0,0 @@
> -// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only
> -
> -void f1(double da) { // expected-error {{type 'double' requires
> cl_khr_fp64 extension}}
> - double d; // expected-error {{type 'double' requires cl_khr_fp64
> extension}}
> - (void) 1.0; // expected-warning {{double precision constant
> requires cl_khr_fp64}} -}
> -
> -#pragma OPENCL EXTENSION cl_khr_fp64 : enable
> -
> -void f2(void) {
> - double d;
> - (void) 1.0;
> -}
> -
> -#pragma OPENCL EXTENSION cl_khr_fp64 : disable
> -
> -void f3(void) {
> - double d; // expected-error {{type 'double' requires cl_khr_fp64
> extension}} -}
>
> Added: cfe/trunk/test/SemaOpenCL/extensions.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaOpenCL/extensio
> ns.cl?rev=269670&view=auto
> ======================================================================
> ========
> --- cfe/trunk/test/SemaOpenCL/extensions.cl (added)
> +++ cfe/trunk/test/SemaOpenCL/extensions.cl Mon May 16 12:06:34 2016
> @@ -0,0 +1,36 @@
> +// RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -pedantic
> +-fsyntax-only // RUN: %clang_cc1 %s -triple spir-unknown-unknown
> +-verify -pedantic -fsyntax-only -cl-std=CL1.1
> +
> +// Test with a target not supporting fp64.
> +// RUN: %clang_cc1 %s -triple r600-unknown-unknown -target-cpu r600
> +-verify -pedantic -fsyntax-only -DNOFP64
> +
> +void f1(double da) { // expected-error {{type 'double' requires
> +cl_khr_fp64 extension}}
> + double d; // expected-error {{type 'double' requires cl_khr_fp64
> +extension}}
> + (void) 1.0; // expected-warning {{double precision constant
> +requires cl_khr_fp64}} }
> +
> +#pragma OPENCL EXTENSION cl_khr_fp64 : enable #ifdef NOFP64 //
> +expected-warning at -2{{unsupported OpenCL extension 'cl_khr_fp64' -
> +ignoring}} #endif
> +
> +void f2(void) {
> + double d;
> +#ifdef NOFP64
> +// expected-error at -2{{use of type 'double' requires cl_khr_fp64
> +extension to be enabled}} #endif
> +
> + (void) 1.0;
> +#ifdef NOFP64
> +// expected-warning at -2{{double precision constant requires
> +cl_khr_fp64, casting to single precision}} #endif }
> +
> +#pragma OPENCL EXTENSION cl_khr_fp64 : disable #ifdef NOFP64 //
> +expected-warning at -2{{unsupported OpenCL extension 'cl_khr_fp64' -
> +ignoring}} #endif
> +
> +void f3(void) {
> + double d; // expected-error {{type 'double' requires cl_khr_fp64
> +extension}} }
>
> Modified: cfe/trunk/test/SemaOpenCL/half.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaOpenCL/half.cl?
> rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/test/SemaOpenCL/half.cl (original)
> +++ cfe/trunk/test/SemaOpenCL/half.cl Mon May 16 12:06:34 2016
> @@ -1,4 +1,4 @@
> -// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only
> -Wno-unused-value
> +// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only
> +-Wno-unused-value -triple spir-unknown-unknown
>
> #pragma OPENCL EXTENSION cl_khr_fp16 : disable constant float f =
> 1.0h; // expected-error{{half precision constant requires
> cl_khr_fp16}}
>
> Modified: cfe/trunk/test/SemaOpenCL/invalid-kernel-parameters.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaOpenCL/invalid-
> kernel-parameters.cl?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/test/SemaOpenCL/invalid-kernel-parameters.cl (original)
> +++ cfe/trunk/test/SemaOpenCL/invalid-kernel-parameters.cl Mon May 16
> +++ 12:06:34 2016
> @@ -1,4 +1,4 @@
> -// RUN: %clang_cc1 -fsyntax-only -verify %s
> +// RUN: %clang_cc1 -fsyntax-only -verify %s -triple
> +spir-unknown-unknown
>
> #pragma OPENCL EXTENSION cl_khr_fp16 : enable
>
>
> Modified: cfe/trunk/test/SemaOpenCL/invalid-logical-ops-1.2.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaOpenCL/invalid-
> logical-ops-1.2.cl?rev=269670&r1=269669&r2=269670&view=diff
> ======================================================================
> ========
> --- cfe/trunk/test/SemaOpenCL/invalid-logical-ops-1.2.cl (original)
> +++ cfe/trunk/test/SemaOpenCL/invalid-logical-ops-1.2.cl Mon May 16
> +++ 12:06:34 2016
> @@ -1,6 +1,7 @@
> // RUN: %clang_cc1 %s -verify -cl-std=CL1.2 -triple
> x86_64-unknown-linux-gnu
>
> -#pragma OPENCL EXTENSION cl_khr_fp64 : enable
> +#pragma OPENCL EXTENSION cl_khr_fp64 : enable //
> +expected-warning{{OpenCL extension 'cl_khr_fp64' is core feature or
> +supported optional core feature - ignoring}}
> +
> typedef __attribute__((ext_vector_type(4))) float float4; typedef
> __attribute__((ext_vector_type(4))) double double4; typedef
> __attribute__((ext_vector_type(4))) int int4;
>
> Removed: cfe/trunk/test/SemaOpenCL/optional-core-fp64-cl1.2.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaOpenCL/optional
> -core-fp64-cl1.2.cl?rev=269669&view=auto
> ======================================================================
> ========
> --- cfe/trunk/test/SemaOpenCL/optional-core-fp64-cl1.2.cl (original)
> +++ cfe/trunk/test/SemaOpenCL/optional-core-fp64-cl1.2.cl (removed)
> @@ -1,20 +0,0 @@
> -// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=CL1.2
> -// expected-no-diagnostics
> -
> -void f1(double da) {
> - double d;
> - (void) 1.0;
> -}
> -
> -#pragma OPENCL EXTENSION cl_khr_fp64 : enable
> -
> -void f2(void) {
> - double d;
> - (void) 1.0;
> -}
> -
> -#pragma OPENCL EXTENSION cl_khr_fp64 : disable
> -
> -void f3(void) {
> - double d;
> -}
>
> Removed: cfe/trunk/test/SemaOpenCL/optional-core-fp64-cl2.0.cl
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaOpenCL/optional
> -core-fp64-cl2.0.cl?rev=269669&view=auto
> ======================================================================
> ========
> --- cfe/trunk/test/SemaOpenCL/optional-core-fp64-cl2.0.cl (original)
> +++ cfe/trunk/test/SemaOpenCL/optional-core-fp64-cl2.0.cl (removed)
> @@ -1,20 +0,0 @@
> -// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=CL2.0
> -// expected-no-diagnostics
> -
> -void f1(double da) {
> - double d;
> - (void) 1.0;
> -}
> -
> -#pragma OPENCL EXTENSION cl_khr_fp64 : enable
> -
> -void f2(void) {
> - double d;
> - (void) 1.0;
> -}
> -
> -#pragma OPENCL EXTENSION cl_khr_fp64 : disable
> -
> -void f3(void) {
> - double d;
> -}
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