From 34ebf4d1767e6748a1a59a5d1935c495cd8877e8 Mon Sep 17 00:00:00 2001 From: Eli Friedman Date: Wed, 3 Jun 2009 20:45:06 +0000 Subject: PR4316: Fix IRGen for cast-to-union extension. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72803 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/CGExprAgg.cpp | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'lib/CodeGen/CGExprAgg.cpp') diff --git a/lib/CodeGen/CGExprAgg.cpp b/lib/CodeGen/CGExprAgg.cpp index 469c8306b9..8d903d9198 100644 --- a/lib/CodeGen/CGExprAgg.cpp +++ b/lib/CodeGen/CGExprAgg.cpp @@ -166,12 +166,12 @@ void AggExprEmitter::EmitFinalDestCopy(const Expr *E, LValue Src, bool Ignore) { void AggExprEmitter::VisitCStyleCastExpr(CStyleCastExpr *E) { // GCC union extension - if (E->getType()->isUnionType()) { - RecordDecl *SD = E->getType()->getAsRecordType()->getDecl(); - LValue FieldLoc = CGF.EmitLValueForField(DestPtr, - *SD->field_begin(CGF.getContext()), - true, 0); - EmitInitializationToLValue(E->getSubExpr(), FieldLoc); + if (E->getSubExpr()->getType()->isScalarType()) { + QualType PtrTy = + CGF.getContext().getPointerType(E->getSubExpr()->getType()); + llvm::Value *CastPtr = Builder.CreateBitCast(DestPtr, + CGF.ConvertType(PtrTy)); + EmitInitializationToLValue(E->getSubExpr(), LValue::MakeAddr(CastPtr, 0)); return; } -- cgit v1.2.3-70-g09d2