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[OpenCL] Enable -fblocks by default for OpenCL 2.0 and above. 

Reviewed as part of http://reviews.llvm.org/D20444

llvm-svn: 272720
This commit is contained in:
Yaxun Liu 2016-06-14 21:43:01 +00:00
parent 07543a8c2d
commit 18e3fd3ad6
5 changed files with 25 additions and 4 deletions
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2
clang/include/clang/Basic/DiagnosticSemaKinds.td
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@ -7349,7 +7349,7 @@ def err_generic_sel_multi_match : Error<
// Blocks // Blocks
def err_blocks_disable : Error<"blocks support disabled - compile with -fblocks" def err_blocks_disable : Error<"blocks support disabled - compile with -fblocks"
" or pick a deployment target that supports them">; " or %select{pick a deployment target that supports them|for OpenCL 2.0 or above}0">;
def err_block_returning_array_function : Error< def err_block_returning_array_function : Error<
"block cannot return %select{array|function}0 type %1">; "block cannot return %select{array|function}0 type %1">;

3
clang/lib/Frontend/CompilerInvocation.cpp
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@ -1827,7 +1827,8 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
Opts.RTTI = Opts.CPlusPlus && !Args.hasArg(OPT_fno_rtti); Opts.RTTI = Opts.CPlusPlus && !Args.hasArg(OPT_fno_rtti);
Opts.RTTIData = Opts.RTTI && !Args.hasArg(OPT_fno_rtti_data); Opts.RTTIData = Opts.RTTI && !Args.hasArg(OPT_fno_rtti_data);
Opts.Blocks = Args.hasArg(OPT_fblocks); Opts.Blocks = Args.hasArg(OPT_fblocks) || (Opts.OpenCL
&& Opts.OpenCLVersion >= 200);
Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional);
Opts.Coroutines = Args.hasArg(OPT_fcoroutines); Opts.Coroutines = Args.hasArg(OPT_fcoroutines);
Opts.Modules = Args.hasArg(OPT_fmodules); Opts.Modules = Args.hasArg(OPT_fmodules);

2
clang/lib/Sema/SemaExpr.cpp
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@ -12066,7 +12066,7 @@ ExprResult Sema::ActOnBlockStmtExpr(SourceLocation CaretLoc,
Stmt *Body, Scope *CurScope) { Stmt *Body, Scope *CurScope) {
// If blocks are disabled, emit an error. // If blocks are disabled, emit an error.
if (!LangOpts.Blocks) if (!LangOpts.Blocks)
Diag(CaretLoc, diag::err_blocks_disable); Diag(CaretLoc, diag::err_blocks_disable) << LangOpts.OpenCL;
// Leave the expression-evaluation context. // Leave the expression-evaluation context.
if (hasAnyUnrecoverableErrorsInThisFunction()) if (hasAnyUnrecoverableErrorsInThisFunction())

2
clang/lib/Sema/SemaType.cpp
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@ -3811,7 +3811,7 @@ static TypeSourceInfo *GetFullTypeForDeclarator(TypeProcessingState &state,
case DeclaratorChunk::BlockPointer: case DeclaratorChunk::BlockPointer:
// If blocks are disabled, emit an error. // If blocks are disabled, emit an error.
if (!LangOpts.Blocks) if (!LangOpts.Blocks)
S.Diag(DeclType.Loc, diag::err_blocks_disable); S.Diag(DeclType.Loc, diag::err_blocks_disable) << LangOpts.OpenCL;
// Handle pointer nullability. // Handle pointer nullability.
inferPointerNullability(SimplePointerKind::BlockPointer, inferPointerNullability(SimplePointerKind::BlockPointer,

20
clang/test/Frontend/opencl-blocks.cl Normal file
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@ -0,0 +1,20 @@
// RUN: %clang_cc1 %s -verify -fsyntax-only
// RUN: %clang_cc1 %s -verify -fsyntax-only -cl-std=CL1.1
// RUN: %clang_cc1 %s -verify -fsyntax-only -cl-std=CL1.2
// RUN: %clang_cc1 %s -verify -fsyntax-only -cl-std=CL2.0
// RUN: %clang_cc1 %s -verify -fsyntax-only -fblocks -DBLOCKS
// RUN: %clang_cc1 %s -verify -fsyntax-only -cl-std=CL1.1 -fblocks -DBLOCKS
// RUN: %clang_cc1 %s -verify -fsyntax-only -cl-std=CL1.2 -fblocks -DBLOCKS
// RUN: %clang_cc1 %s -triple amdgcn--amdhsa -x c -std=c99 -verify -fsyntax-only
void f(void (^g)(void)) {
#ifdef __OPENCL_C_VERSION__
#if __OPENCL_C_VERSION__ < CL_VERSION_2_0 && !defined(BLOCKS)
// expected-error@-3{{blocks support disabled - compile with -fblocks or for OpenCL 2.0 or above}}
#else
// expected-no-diagnostics
#endif
#else
// expected-error@-8{{blocks support disabled - compile with -fblocks or pick a deployment target that supports them}}
#endif
}