[PATCH] D101952: [OpenMP] Fix non-determinism in clang copyin codegen
Giorgis Georgakoudis via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Wed May 5 15:48:11 PDT 2021
ggeorgakoudis created this revision.
Herald added subscribers: mgrang, guansong, yaxunl.
ggeorgakoudis requested review of this revision.
Herald added a reviewer: jdoerfert.
Herald added subscribers: cfe-commits, sstefan1.
Herald added a project: clang.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D101952
Files:
clang/lib/CodeGen/CGStmtOpenMP.cpp
Index: clang/lib/CodeGen/CGStmtOpenMP.cpp
===================================================================
--- clang/lib/CodeGen/CGStmtOpenMP.cpp
+++ clang/lib/CodeGen/CGStmtOpenMP.cpp
@@ -971,7 +971,7 @@
// operator=(threadprivate_var2, master_threadprivate_var2);
// ...
// __kmpc_barrier(&loc, global_tid);
- llvm::DenseSet<const VarDecl *> CopiedVars;
+ llvm::SetVector<const VarDecl *> CopiedVars;
llvm::BasicBlock *CopyBegin = nullptr, *CopyEnd = nullptr;
for (const auto *C : D.getClausesOfKind<OMPCopyinClause>()) {
auto IRef = C->varlist_begin();
@@ -980,7 +980,7 @@
for (const Expr *AssignOp : C->assignment_ops()) {
const auto *VD = cast<VarDecl>(cast<DeclRefExpr>(*IRef)->getDecl());
QualType Type = VD->getType();
- if (CopiedVars.insert(VD->getCanonicalDecl()).second) {
+ if (CopiedVars.insert(VD->getCanonicalDecl())) {
// Get the address of the master variable. If we are emitting code with
// TLS support, the address is passed from the master as field in the
// captured declaration.
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