================
@@ -5965,6 +5967,263 @@ 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;
+}
+
+// Next two functions, cloneAssociatedStmt() &
+// replaceWithNewTraitsOrDirectCall(), are for transforming the call traits.
+// e.g.
+// #pragma omp declare variant(foo_variant_dispatch)
match(construct={dispatch})
+// #pragma omp declare variant(foo_variant_allCond) match(user={condition(1)})
+// ..
+// #pragma omp dispatch nocontext(cond_true)
+// foo(i, j);
+// is changed to:
+// if (cond_true) {
+// foo(i,j) // with traits: CodeGen call to foo_variant_allCond(i,j)
+// } else {
+// #pragma omp dispatch
+// foo(i,j) // with traits: CodeGen call to foo_variant_dispatch(i,j)
+// }
+//
+// The next 2 functions, are for:
+// if (cond_true) {
+// foo(i,j) // with traits: runtime call to foo_variant_allCond(i,j)
+// }
+//
+static Expr *replaceWithNewTraitsOrDirectCall(const ASTContext &Context, Expr
*,
+ SemaOpenMP *, bool);
+
+static StmtResult cloneAssociatedStmt(const ASTContext &Context, Stmt *StmtP,
+ SemaOpenMP *SemaPtr, bool NoContext) {
+ if (CapturedStmt *AssocStmt = dyn_cast<CapturedStmt>(StmtP)) {
+ CapturedDecl *CDecl = AssocStmt->getCapturedDecl();
+ Stmt *AssocExprStmt = AssocStmt->getCapturedStmt();
+ Expr *AssocExpr = dyn_cast<Expr>(AssocExprStmt);
+ Expr *NewCallOrPseudoObjOrBinExpr = replaceWithNewTraitsOrDirectCall(
+ Context, AssocExpr, 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 *>(NewCallOrPseudoObjOrBinExpr));
+ 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 : AssocStmt->captures())
+ Captures.push_back(capture);
+ for (auto capture_init : AssocStmt->capture_inits())
+ CaptureInits.push_back(capture_init);
+ CapturedStmt *NewStmt = CapturedStmt::Create(
+ Context, AssocStmt->getCapturedStmt(),
+ AssocStmt->getCapturedRegionKind(), Captures, CaptureInits, NewDecl,
+ const_cast<RecordDecl *>(AssocStmt->getCapturedRecordDecl()));
+
+ return NewStmt;
+ }
+ return static_cast<Stmt *>(nullptr);
+}
+
+static Expr *replaceWithNewTraitsOrDirectCall(const ASTContext &Context,
+ Expr *AssocExpr,
+ SemaOpenMP *SemaPtr,
+ bool NoContext) {
+ BinaryOperator *BinaryCopyOpr = nullptr;
+ bool IsBinaryOp = false;
+ Expr *PseudoObjExprOrCall = AssocExpr;
+ if (BinaryOperator *BinOprExpr = dyn_cast<BinaryOperator>(AssocExpr)) {
+ IsBinaryOp = true;
+ BinaryCopyOpr = BinaryOperator::Create(
+ Context, BinOprExpr->getLHS(), BinOprExpr->getRHS(),
+ BinOprExpr->getOpcode(), BinOprExpr->getType(),
+ BinOprExpr->getValueKind(), BinOprExpr->getObjectKind(),
+ BinOprExpr->getOperatorLoc(), FPOptionsOverride());
+ PseudoObjExprOrCall = BinaryCopyOpr->getRHS();
+ }
+
+ Expr *CallWithoutInvariants = PseudoObjExprOrCall;
+ // Change PseudoObjectExpr to a direct call
+ if (PseudoObjectExpr *PseudoObjExpr =
+ dyn_cast<PseudoObjectExpr>(PseudoObjExprOrCall))
+ CallWithoutInvariants = *((PseudoObjExpr->semantics_begin()) - 1);
+
+ Expr *FinalCall = CallWithoutInvariants; // For noinvariants clause
+ if (NoContext) {
+ // Convert StmtResult to a CallExpr before calling ActOnOpenMPCall()
+ CallExpr *CallExprWithinStmt = dyn_cast<CallExpr>(CallWithoutInvariants);
+ int NumArgs = CallExprWithinStmt->getNumArgs();
+ clang::Expr **Args = CallExprWithinStmt->getArgs();
+ // ActOnOpenMPCall() adds traits to a simple function call
+ // e.g. invariant function call traits to "foo(i,j)", if they are present.
+ ExprResult ER = SemaPtr->ActOnOpenMPCall(
+ CallExprWithinStmt, SemaPtr->SemaRef.getCurScope(),
+ CallExprWithinStmt->getBeginLoc(), MultiExprArg(Args, NumArgs),
+ CallExprWithinStmt->getRParenLoc(), static_cast<Expr *>(nullptr));
+ FinalCall = ER.get();
+ }
+
+ if (IsBinaryOp) {
+ BinaryCopyOpr->setRHS(FinalCall);
+ return BinaryCopyOpr;
+ }
+
+ return FinalCall;
+}
+
+static StmtResult combine2Stmts(ASTContext &Context, Stmt *FirstStmt,
+ Stmt *SecondStmt) {
+
+ llvm::SmallVector<Stmt *, 2> NewCombinedStmtVector;
+ NewCombinedStmtVector.push_back(FirstStmt);
+ NewCombinedStmtVector.push_back(SecondStmt);
+ CompoundStmt *CombinedStmt = CompoundStmt::Create(
----------------
alexey-bataev wrote:
`auto *CombinedStmt = CompoundStmt::Create(`
https://github.com/llvm/llvm-project/pull/117904
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
