[clang] [llvm] Support for dispatch construct (Sema & Codegen) support. (PR #117904)
via cfe-commits
cfe-commits at lists.llvm.org
Wed Nov 27 08:38:16 PST 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-flang-openmp
Author: None (SunilKuravinakop)
<details>
<summary>Changes</summary>
Support for dispatch construct (Sema & Codegen) support. Support for clauses: depend, novariants & nocontext.
---
Patch is 30.07 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/117904.diff
12 Files Affected:
- (modified) clang/include/clang/Basic/DiagnosticSemaKinds.td (+2)
- (modified) clang/include/clang/Basic/OpenMPKinds.h (+6)
- (modified) clang/include/clang/Sema/SemaOpenMP.h (+7)
- (modified) clang/lib/Basic/OpenMPKinds.cpp (+5)
- (modified) clang/lib/CodeGen/CGStmt.cpp (+2-1)
- (modified) clang/lib/CodeGen/CGStmtOpenMP.cpp (+5)
- (modified) clang/lib/CodeGen/CodeGenFunction.h (+1)
- (modified) clang/lib/Sema/SemaOpenMP.cpp (+272-3)
- (modified) clang/test/Misc/warning-flags.c (+2-1)
- (added) clang/test/OpenMP/dispatch_codegen.cpp (+359)
- (removed) clang/test/OpenMP/dispatch_unsupported.c (-7)
- (modified) llvm/include/llvm/Frontend/OpenMP/OMPContext.h (+6)
``````````diff
diff --git a/clang/include/clang/Basic/DiagnosticSemaKinds.td b/clang/include/clang/Basic/DiagnosticSemaKinds.td
index c1cdd811db446d..61d684461d785f 100644
--- a/clang/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/clang/include/clang/Basic/DiagnosticSemaKinds.td
@@ -11769,6 +11769,8 @@ def err_omp_clause_requires_dispatch_construct : Error<
"'%0' clause requires 'dispatch' context selector">;
def err_omp_append_args_with_varargs : Error<
"'append_args' is not allowed with varargs functions">;
+def warn_omp_dispatch_clause_novariants_nocontext : Warning<
+ "only 'novariants' clause is supported when 'novariants' & 'nocontext' clauses occur on the same dispatch construct">;
def err_openmp_vla_in_task_untied : Error<
"variable length arrays are not supported in OpenMP tasking regions with 'untied' clause">;
def warn_omp_unterminated_declare_target : Warning<
diff --git a/clang/include/clang/Basic/OpenMPKinds.h b/clang/include/clang/Basic/OpenMPKinds.h
index 900ad6ca6d66f6..7579fab43dbb19 100644
--- a/clang/include/clang/Basic/OpenMPKinds.h
+++ b/clang/include/clang/Basic/OpenMPKinds.h
@@ -269,6 +269,12 @@ bool isOpenMPTaskLoopDirective(OpenMPDirectiveKind DKind);
/// parallel', otherwise - false.
bool isOpenMPParallelDirective(OpenMPDirectiveKind DKind);
+/// Checks if the specified directive is a dispatch-kind directive.
+/// \param DKind Specified directive.
+/// \return true - the directive is a dispatch-like directive like 'omp
+/// dispatch', otherwise - false.
+bool isOpenMPDispatchDirective(OpenMPDirectiveKind DKind);
+
/// Checks if the specified directive is a target code offload directive.
/// \param DKind Specified directive.
/// \return true - the directive is a target code offload directive like
diff --git a/clang/include/clang/Sema/SemaOpenMP.h b/clang/include/clang/Sema/SemaOpenMP.h
index 3d1cc4fab1c10f..80cee9e7583051 100644
--- a/clang/include/clang/Sema/SemaOpenMP.h
+++ b/clang/include/clang/Sema/SemaOpenMP.h
@@ -1462,6 +1462,13 @@ class SemaOpenMP : public SemaBase {
: OMPDeclareVariantScopes.back().TI;
}
+ StmtResult transformDispatchDirective(OpenMPDirectiveKind Kind,
+ const DeclarationNameInfo &DirName,
+ OpenMPDirectiveKind CancelRegion,
+ ArrayRef<OMPClause *> Clauses,
+ Stmt *AStmt, SourceLocation StartLoc,
+ SourceLocation EndLoc);
+
/// The current `omp begin/end declare variant` scopes.
SmallVector<OMPDeclareVariantScope, 4> OMPDeclareVariantScopes;
diff --git a/clang/lib/Basic/OpenMPKinds.cpp b/clang/lib/Basic/OpenMPKinds.cpp
index 62a13f01481b28..44ee63df46adb5 100644
--- a/clang/lib/Basic/OpenMPKinds.cpp
+++ b/clang/lib/Basic/OpenMPKinds.cpp
@@ -621,6 +621,11 @@ bool clang::isOpenMPParallelDirective(OpenMPDirectiveKind DKind) {
llvm::is_contained(getLeafConstructs(DKind), OMPD_parallel);
}
+bool clang::isOpenMPDispatchDirective(OpenMPDirectiveKind DKind) {
+ return DKind == OMPD_dispatch ||
+ llvm::is_contained(getLeafConstructs(DKind), OMPD_target);
+}
+
bool clang::isOpenMPTargetExecutionDirective(OpenMPDirectiveKind DKind) {
return DKind == OMPD_target ||
llvm::is_contained(getLeafConstructs(DKind), OMPD_target);
diff --git a/clang/lib/CodeGen/CGStmt.cpp b/clang/lib/CodeGen/CGStmt.cpp
index 698baf853507f4..2cd2a650151c87 100644
--- a/clang/lib/CodeGen/CGStmt.cpp
+++ b/clang/lib/CodeGen/CGStmt.cpp
@@ -417,7 +417,8 @@ void CodeGenFunction::EmitStmt(const Stmt *S, ArrayRef<const Attr *> Attrs) {
EmitOMPInteropDirective(cast<OMPInteropDirective>(*S));
break;
case Stmt::OMPDispatchDirectiveClass:
- CGM.ErrorUnsupported(S, "OpenMP dispatch directive");
+ // CGM.ErrorUnsupported(S, "OpenMP dispatch directive");
+ EmitOMPDispatchDirective(cast<OMPDispatchDirective>(*S));
break;
case Stmt::OMPScopeDirectiveClass:
EmitOMPScopeDirective(cast<OMPScopeDirective>(*S));
diff --git a/clang/lib/CodeGen/CGStmtOpenMP.cpp b/clang/lib/CodeGen/CGStmtOpenMP.cpp
index 390516fea38498..7d77db0ba2bb12 100644
--- a/clang/lib/CodeGen/CGStmtOpenMP.cpp
+++ b/clang/lib/CodeGen/CGStmtOpenMP.cpp
@@ -4452,6 +4452,11 @@ void CodeGenFunction::EmitOMPMasterDirective(const OMPMasterDirective &S) {
emitMaster(*this, S);
}
+void CodeGenFunction::EmitOMPDispatchDirective(const OMPDispatchDirective &S) {
+
+ EmitStmt(S.getAssociatedStmt());
+}
+
static void emitMasked(CodeGenFunction &CGF, const OMPExecutableDirective &S) {
auto &&CodeGen = [&S](CodeGenFunction &CGF, PrePostActionTy &Action) {
Action.Enter(CGF);
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index 5c4d76c2267a77..0adf51f53aceaf 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -3830,6 +3830,7 @@ class CodeGenFunction : public CodeGenTypeCache {
void EmitOMPSectionDirective(const OMPSectionDirective &S);
void EmitOMPSingleDirective(const OMPSingleDirective &S);
void EmitOMPMasterDirective(const OMPMasterDirective &S);
+ void EmitOMPDispatchDirective(const OMPDispatchDirective &S);
void EmitOMPMaskedDirective(const OMPMaskedDirective &S);
void EmitOMPCriticalDirective(const OMPCriticalDirective &S);
void EmitOMPParallelForDirective(const OMPParallelForDirective &S);
diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp
index 976d48e1249136..943e47e2d96b25 100644
--- a/clang/lib/Sema/SemaOpenMP.cpp
+++ b/clang/lib/Sema/SemaOpenMP.cpp
@@ -4205,6 +4205,8 @@ static void handleDeclareVariantConstructTrait(DSAStackTy *Stack,
SmallVector<llvm::omp::TraitProperty, 8> Traits;
if (isOpenMPTargetExecutionDirective(DKind))
Traits.emplace_back(llvm::omp::TraitProperty::construct_target_target);
+ if (isOpenMPDispatchDirective(DKind))
+ Traits.emplace_back(llvm::omp::TraitProperty::construct_dispatch_dispatch);
if (isOpenMPTeamsDirective(DKind))
Traits.emplace_back(llvm::omp::TraitProperty::construct_teams_teams);
if (isOpenMPParallelDirective(DKind))
@@ -5965,6 +5967,244 @@ static bool teamsLoopCanBeParallelFor(Stmt *AStmt, Sema &SemaRef) {
return Checker.teamsLoopCanBeParallelFor();
}
+static Expr *getInitialExprFromCapturedExpr(Expr *Cond) {
+
+ Expr *SubExpr = Cond->IgnoreParenImpCasts();
+
+ if (auto *DeclRef = dyn_cast<DeclRefExpr>(SubExpr)) {
+ if (auto *CapturedExprDecl =
+ dyn_cast<OMPCapturedExprDecl>(DeclRef->getDecl())) {
+
+ // Retrieve the initial expression from the captured expression
+ return CapturedExprDecl->getInit();
+ }
+ }
+ return nullptr;
+}
+
+static Expr *copy_removePseudoObjectExpr(const ASTContext &Context, Expr *E,
+ SemaOpenMP *SemaPtr, bool NoContext) {
+
+ BinaryOperator *BinaryCopyOpr = NULL;
+ bool BinaryOp = false;
+ if (E->getStmtClass() == Stmt::BinaryOperatorClass) {
+ BinaryOp = true;
+ BinaryOperator *E_BinOpr = static_cast<BinaryOperator *>(E);
+ BinaryCopyOpr = BinaryOperator::Create(
+ Context, E_BinOpr->getLHS(), E_BinOpr->getRHS(), E_BinOpr->getOpcode(),
+ E_BinOpr->getType(), E_BinOpr->getValueKind(),
+ E_BinOpr->getObjectKind(), E_BinOpr->getOperatorLoc(),
+ FPOptionsOverride());
+ E = BinaryCopyOpr->getRHS();
+ }
+
+ // Change PseudoObjectExpr to a direct call
+ if (PseudoObjectExpr *PO = dyn_cast<PseudoObjectExpr>(E))
+ E = *((PO->semantics_begin()) - 1);
+
+ // Add new Traits to direct call to convert it to new PseudoObjectExpr
+ // This converts Traits for the function call from under "dispatch" to traits
+ // of direct function call not under "dispatch".
+ if (NoContext) {
+ // Convert StmtResult to a CallExpr before calling ActOnOpenMPCall()
+ CallExpr *CallExprWithinStmt = dyn_cast<CallExpr>(E);
+ int NumArgs = CallExprWithinStmt->getNumArgs();
+ clang::Expr **Args = CallExprWithinStmt->getArgs();
+ ExprResult er = SemaPtr->ActOnOpenMPCall(
+ CallExprWithinStmt, SemaPtr->SemaRef.getCurScope(),
+ CallExprWithinStmt->getBeginLoc(), MultiExprArg(Args, NumArgs),
+ CallExprWithinStmt->getRParenLoc(), static_cast<Expr *>(nullptr));
+ E = er.get();
+ }
+
+ if (BinaryOp) {
+ BinaryCopyOpr->setRHS(E);
+ return BinaryCopyOpr;
+ }
+
+ return E;
+}
+
+static StmtResult combine2Stmts(ASTContext &context, Stmt *first,
+ Stmt *second) {
+
+ llvm::SmallVector<Stmt *, 2> newCombinedStmts;
+ newCombinedStmts.push_back(first);
+ newCombinedStmts.push_back(second); // Adding foo();
+ llvm::ArrayRef<Stmt *> ar(newCombinedStmts);
+ CompoundStmt *CombinedStmt = CompoundStmt::Create(
+ context, ar, FPOptionsOverride(), SourceLocation(), SourceLocation());
+ StmtResult FinalStmts(CombinedStmt);
+ return FinalStmts;
+}
+
+template <typename SpecificClause>
+static bool hasClausesOfKind(ArrayRef<OMPClause *> Clauses) {
+ auto ClausesOfKind =
+ OMPExecutableDirective::getClausesOfKind<SpecificClause>(Clauses);
+ return ClausesOfKind.begin() != ClausesOfKind.end();
+}
+
+// Get a CapturedStmt with direct call to function.
+// If there is a PseudoObjectExpr under the CapturedDecl
+// choose the first call under it for the direct call to function
+static StmtResult CloneNewCapturedStmtForDirectCall(const ASTContext &Context,
+ Stmt *StmtP,
+ SemaOpenMP *SemaPtr,
+ bool NoContext) {
+ if (StmtP->getStmtClass() == Stmt::CapturedStmtClass) {
+ CapturedStmt *AStmt = static_cast<CapturedStmt *>(StmtP);
+ CapturedDecl *CDecl = AStmt->getCapturedDecl();
+ Stmt *S = cast<CapturedStmt>(AStmt)->getCapturedStmt();
+ auto *E = dyn_cast<Expr>(S);
+ E = copy_removePseudoObjectExpr(Context, E, SemaPtr, NoContext);
+
+ // Copy Current Captured Decl to a New Captured Decl for noting the
+ // Annotation
+ CapturedDecl *NewDecl =
+ CapturedDecl::Create(const_cast<ASTContext &>(Context),
+ CDecl->getDeclContext(), CDecl->getNumParams());
+ NewDecl->setBody(static_cast<Stmt *>(E));
+ for (unsigned i = 0; i < CDecl->getNumParams(); ++i) {
+ if (i != CDecl->getContextParamPosition())
+ NewDecl->setParam(i, CDecl->getParam(i));
+ else
+ NewDecl->setContextParam(i, CDecl->getContextParam());
+ }
+
+ // Create a New Captured Stmt containing the New Captured Decl
+ SmallVector<CapturedStmt::Capture, 4> Captures;
+ SmallVector<Expr *, 4> CaptureInits;
+ for (auto capture : AStmt->captures())
+ Captures.push_back(capture);
+ for (auto capture_init : AStmt->capture_inits())
+ CaptureInits.push_back(capture_init);
+ CapturedStmt *NewStmt = CapturedStmt::Create(
+ Context, AStmt->getCapturedStmt(), AStmt->getCapturedRegionKind(),
+ Captures, CaptureInits, NewDecl,
+ const_cast<RecordDecl *>(AStmt->getCapturedRecordDecl()));
+
+ return NewStmt;
+ }
+ return static_cast<Stmt *>(NULL);
+}
+
+StmtResult SemaOpenMP::transformDispatchDirective(
+ OpenMPDirectiveKind Kind, const DeclarationNameInfo &DirName,
+ OpenMPDirectiveKind CancelRegion, ArrayRef<OMPClause *> Clauses,
+ Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) {
+
+ StmtResult RetValue;
+ std::vector<OMPClause *> DependVector;
+ for (auto C :
+ OMPExecutableDirective::getClausesOfKind<OMPDependClause>(Clauses)) {
+ auto C1 = const_cast<OMPDependClause *>(C);
+ if (OMPDependClause *DependClause = dyn_cast<OMPDependClause>(C1)) {
+ DependVector.push_back(DependClause);
+ }
+ }
+ llvm::ArrayRef<OMPClause *> DependCArray(DependVector);
+
+ // #pragma omp dispatch depend() is changed to #pragma omp taskwait depend()
+ // This is done by calling ActOnOpenMPExecutableDirective() for the
+ // new taskwait directive.
+ StmtResult DispatchDepend2taskwait =
+ ActOnOpenMPExecutableDirective(OMPD_taskwait, DirName, CancelRegion,
+ DependCArray, NULL, StartLoc, EndLoc);
+
+ if (OMPExecutableDirective::getSingleClause<OMPNovariantsClause>(Clauses)) {
+
+ if (OMPExecutableDirective::getSingleClause<OMPNocontextClause>(Clauses)) {
+ Diag(StartLoc, diag::warn_omp_dispatch_clause_novariants_nocontext);
+ }
+
+ const OMPNovariantsClause *NoVariantsC =
+ OMPExecutableDirective::getSingleClause<OMPNovariantsClause>(Clauses);
+ // #pragma omp dispatch novariants(c2) depend(out: x)
+ // foo();
+ // becomes:
+ // #pragma omp taskwait depend(out: x)
+ // if (c2) {
+ // foo();
+ // } else {
+ // #pragma omp dispatch
+ // foo(); <--- foo() is replaced with foo_variant() in CodeGen
+ // }
+ Expr *Cond = getInitialExprFromCapturedExpr(NoVariantsC->getCondition());
+ StmtResult ThenStmt =
+ CloneNewCapturedStmtForDirectCall(getASTContext(), AStmt, this, false);
+ SmallVector<OMPClause *, 5> DependClauses;
+ StmtResult ElseStmt = ActOnOpenMPExecutableDirective(
+ Kind, DirName, CancelRegion, DependClauses, AStmt, StartLoc, EndLoc);
+ IfStmt *IfElseStmt =
+ IfStmt::Create(getASTContext(), StartLoc, IfStatementKind::Ordinary,
+ nullptr, // Init
+ nullptr, // Condition Var Declaration
+ Cond,
+ StartLoc, // Source Location Left Paranthesis
+ StartLoc, // Source Location Right Paranthesis
+ ThenStmt.get(), StartLoc, ElseStmt.get());
+ if (hasClausesOfKind<OMPDependClause>(Clauses)) {
+ StmtResult FinalStmts = combine2Stmts(
+ getASTContext(), DispatchDepend2taskwait.get(), IfElseStmt);
+ RetValue = FinalStmts;
+ } else {
+ RetValue = IfElseStmt;
+ }
+ } else if (OMPExecutableDirective::getSingleClause<OMPNocontextClause>(
+ Clauses)) {
+
+ const OMPNocontextClause *NoContextC =
+ OMPExecutableDirective::getSingleClause<OMPNocontextClause>(Clauses);
+ Expr *Cond = getInitialExprFromCapturedExpr(NoContextC->getCondition());
+ // #pragma omp dispatch depend(out: x) nocontext(c2)
+ // foo();
+ // becomes:
+ // #pragma omp taskwait depend(out: x)
+ // if (c2) {
+ // foo();
+ // } else {
+ // #pragma omp dispatch
+ // foo();
+ // }
+
+ StmtResult ThenStmt =
+ CloneNewCapturedStmtForDirectCall(getASTContext(), AStmt, this, true);
+
+ SmallVector<OMPClause *, 5> DependClauses;
+ StmtResult ElseStmt = ActOnOpenMPExecutableDirective(
+ Kind, DirName, CancelRegion, DependClauses, AStmt, StartLoc, EndLoc);
+ IfStmt *IfElseStmt =
+ IfStmt::Create(getASTContext(), StartLoc, IfStatementKind::Ordinary,
+ nullptr, // Init
+ nullptr, // Condition Var Declaration
+ Cond,
+ StartLoc, // Source Location Left Paranthesis
+ StartLoc, // Source Location Right Paranthesis
+ ThenStmt.get(), StartLoc, ElseStmt.get());
+ if (hasClausesOfKind<OMPDependClause>(Clauses)) {
+ StmtResult FinalStmts = combine2Stmts(
+ getASTContext(), DispatchDepend2taskwait.get(), IfElseStmt);
+ RetValue = FinalStmts;
+ } else {
+ RetValue = IfElseStmt;
+ }
+ } else if (hasClausesOfKind<OMPDependClause>(Clauses)) {
+ // Only:
+ // #pragma omp dispatch depend(out: x)
+ // foo();
+ // to
+ // #pragma omp taskwait depend(out: x)
+ // foo();
+ // StmtResult NewAStmt =
+ // CloneNewCapturedStmtForDirectCall(getASTContext(), AStmt, false);
+ StmtResult FinalStmts =
+ combine2Stmts(getASTContext(), DispatchDepend2taskwait.get(), AStmt);
+ RetValue = FinalStmts;
+ }
+ return RetValue;
+}
+
StmtResult SemaOpenMP::ActOnOpenMPExecutableDirective(
OpenMPDirectiveKind Kind, const DeclarationNameInfo &DirName,
OpenMPDirectiveKind CancelRegion, ArrayRef<OMPClause *> Clauses,
@@ -5979,6 +6219,20 @@ StmtResult SemaOpenMP::ActOnOpenMPExecutableDirective(
OMPExecutableDirective::getSingleClause<OMPBindClause>(Clauses))
BindKind = BC->getBindKind();
+ if ((Kind == OMPD_dispatch) && (Clauses.size() > 0)) {
+
+ bool UnSupportedClause = false;
+ for (OMPClause *C : Clauses) {
+ if (!((C->getClauseKind() == OMPC_novariants) ||
+ (C->getClauseKind() == OMPC_nocontext) ||
+ (C->getClauseKind() == OMPC_depend)))
+ UnSupportedClause = true;
+ }
+ if (!UnSupportedClause)
+ return transformDispatchDirective(Kind, DirName, CancelRegion, Clauses,
+ AStmt, StartLoc, EndLoc);
+ }
+
if (Kind == OMPD_loop && BindKind == OMPC_BIND_unknown) {
const OpenMPDirectiveKind ParentDirective = DSAStack->getParentDirective();
@@ -7209,8 +7463,10 @@ ExprResult SemaOpenMP::ActOnOpenMPCall(ExprResult Call, Scope *Scope,
Exprs.erase(Exprs.begin() + BestIdx);
} while (!VMIs.empty());
- if (!NewCall.isUsable())
+ if (!NewCall.isUsable()) {
+ fprintf(stdout, "Returning Call, NewCall is not usable\n");
return Call;
+ }
return PseudoObjectExpr::Create(getASTContext(), CE, {NewCall.get()}, 0);
}
@@ -10520,8 +10776,17 @@ StmtResult SemaOpenMP::ActOnOpenMPSectionDirective(Stmt *AStmt,
DSAStack->isCancelRegion());
}
+static Expr *removePseudoObjectExpr(Expr *E) {
+ // PseudoObjectExpr is a Trait for dispatch containing the
+ // function name and its variant. Returning the function name.
+ if (auto *PO = dyn_cast<PseudoObjectExpr>(E))
+ E = *((PO->semantics_begin()) - 1);
+ return E;
+}
+
static Expr *getDirectCallExpr(Expr *E) {
E = E->IgnoreParenCasts()->IgnoreImplicit();
+ E = removePseudoObjectExpr(E);
if (auto *CE = dyn_cast<CallExpr>(E))
if (CE->getDirectCallee())
return E;
@@ -10556,15 +10821,19 @@ SemaOpenMP::ActOnOpenMPDispatchDirective(ArrayRef<OMPClause *> Clauses,
E = E->IgnoreParenCasts()->IgnoreImplicit();
if (auto *BO = dyn_cast<BinaryOperator>(E)) {
- if (BO->getOpcode() == BO_Assign)
+ if (BO->getOpcode() == BO_Assign) {
TargetCall = getDirectCallExpr(BO->getRHS());
+ }
} else {
if (auto *COCE = dyn_cast<CXXOperatorCallExpr>(E))
if (COCE->getOperator() == OO_Equal)
TargetCall = getDirectCallExpr(COCE->getArg(1));
- if (!TargetCall)
+ if (!TargetCall) {
+ E = removePseudoObjectExpr(E);
TargetCall = getDirectCallExpr(E);
+ }
}
+
if (!TargetCall) {
Diag(E->getBeginLoc(), diag::err_omp_dispatch_statement_call);
return StmtError();
diff --git a/clang/test/Misc/warning-flags.c b/clang/test/Misc/warning-flags.c
index 1fd02440833359..5f3b54d7be8e29 100644
--- a/clang/test/Misc/warning-flags.c
+++ b/clang/test/Misc/warning-flags.c
@@ -18,7 +18,7 @@ This test serves two purposes:
The list of warnings below should NEVER grow. It should gradually shrink to 0.
-CHECK: Warnings without flags (61):
+CHECK: Warnings without flags (62):
CHECK-NEXT: ext_expected_semi_decl_list
CHECK-NEXT: ext_missing_whitespace_after_macro_name
@@ -65,6 +65,7 @@ CHECK-NEXT: warn_no_constructor_for_refconst
CHECK-NEXT: warn_not_compound_assign
CHECK-NEXT: warn_objc_property_copy_missing_on_block
CHECK-NEXT: warn_objc_protocol_qualifier_missing_id
+CHECK-NEXT: warn_omp_dispatch_clause_novariants_nocontext
CHECK-NEXT: warn_on_superclass_use
CHECK-NEXT: warn_pp_convert_to_positive
CHECK-NEXT: warn_pp_expr_overflow
diff --git a/clang/test/OpenMP/dispatch_codegen.cpp b/clang/test/OpenMP/dispatch_codegen.cpp
new file mode 100644
index 00000000000000..3a50ccbb99873a
--- /dev/null
+++ b/clang/test/OpenMP/dispatch_codegen.cpp
@@ -0,0 +1,359 @@
+// expected-no-diagnostics
+// RUN: %clang_cc1 -DCK1 -verify -fopenmp -x c++ %s -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
+
+int foo_variant_dispatch(int x, int y) {
+ return x+2;
+}
+
+int foo_variant_allCond(int x, int y) {
+ return x+3;
+}
+
+#pragma omp declare variant(foo_v...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/117904
More information about the cfe-commits
mailing list