AltiVec-style vector initializer syntax, vec4 a = (vec4)(a, b, c, d);

In addition to being defined by the AltiVec PIM, this is also the vector
initializer syntax used by OpenCL, so that vector literals are compatible
with macro arguments.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78535 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 15 insertions, 1 deletions

diff --git a/lib/Sema/SemaTemplateInstantiateExpr.cpp b/lib/Sema/SemaTemplateInstantiateExpr.cpp
index 186c98cf53..7a09210fe0 100644
--- a/lib/Sema/SemaTemplateInstantiateExpr.cpp
+++ b/lib/Sema/SemaTemplateInstantiateExpr.cpp
@@ -639,6 +639,20 @@ TemplateExprInstantiator::VisitInitListExpr(InitListExpr *E) {
 }
 
 Sema::OwningExprResult 
+TemplateExprInstantiator::VisitParenListExpr(ParenListExpr *E) {
+  ASTOwningVector<&ActionBase::DeleteExpr, 4> Inits(SemaRef);
+  for (unsigned I = 0, N = E->getNumExprs(); I != N; ++I) {
+    OwningExprResult Init = Visit(E->getExpr(I));
+    if (Init.isInvalid())
+      return SemaRef.ExprError();
+    Inits.push_back(Init.takeAs<Expr>());
+  }
+
+  return SemaRef.ActOnParenListExpr(E->getLParenLoc(), E->getRParenLoc(),
+                                    move_arg(Inits));
+}
+
+Sema::OwningExprResult 
 TemplateExprInstantiator::VisitDesignatedInitExpr(DesignatedInitExpr *E) {
   Designation Desig;
 
@@ -886,7 +900,7 @@ TemplateExprInstantiator::VisitCStyleCastExpr(CStyleCastExpr *E) {
   if (SubExpr.isInvalid())
     return SemaRef.ExprError();
   
-  return SemaRef.ActOnCastExpr(E->getLParenLoc(), 
+  return SemaRef.ActOnCastExpr(/*Scope=*/0, E->getLParenLoc(), 
                                ExplicitTy.getAsOpaquePtr(),
                                E->getRParenLoc(),
                                move(SubExpr));