[OPENMP50]Codegen for nontemporal clause.
Summary:
Basic codegen for the declarations marked as nontemporal. Also, if the
base declaration in the member expression is marked as nontemporal,
lvalue for member decl access inherits nonteporal flag from the base
lvalue.
Reviewers: rjmccall, hfinkel, jdoerfert
Subscribers: guansong, arphaman, caomhin, kkwli0, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D71708
diff --git a/clang/lib/AST/OpenMPClause.cpp b/clang/lib/AST/OpenMPClause.cpp
index f062c3e..790b440 100644
--- a/clang/lib/AST/OpenMPClause.cpp
+++ b/clang/lib/AST/OpenMPClause.cpp
@@ -1162,8 +1162,8 @@
SourceLocation LParenLoc,
SourceLocation EndLoc,
ArrayRef<Expr *> VL) {
- // Allocate space for nontemporal variables.
- void *Mem = C.Allocate(totalSizeToAlloc<Expr *>(VL.size()));
+ // Allocate space for nontemporal variables + private references.
+ void *Mem = C.Allocate(totalSizeToAlloc<Expr *>(2 * VL.size()));
auto *Clause =
new (Mem) OMPNontemporalClause(StartLoc, LParenLoc, EndLoc, VL.size());
Clause->setVarRefs(VL);
@@ -1172,10 +1172,16 @@
OMPNontemporalClause *OMPNontemporalClause::CreateEmpty(const ASTContext &C,
unsigned N) {
- void *Mem = C.Allocate(totalSizeToAlloc<Expr *>(N));
+ void *Mem = C.Allocate(totalSizeToAlloc<Expr *>(2 * N));
return new (Mem) OMPNontemporalClause(N);
}
+void OMPNontemporalClause::setPrivateRefs(ArrayRef<Expr *> VL) {
+ assert(VL.size() == varlist_size() && "Number of private references is not "
+ "the same as the preallocated buffer");
+ std::copy(VL.begin(), VL.end(), varlist_end());
+}
+
//===----------------------------------------------------------------------===//
// OpenMP clauses printing methods
//===----------------------------------------------------------------------===//