enhance ExtVectorElementExpr to allow V->xxyy to work like (*V).xxyy
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64667 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index 3e44c00..03efbc9 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -257,13 +257,8 @@
if (LV.isPropertyRef())
return EmitLoadOfPropertyRefLValue(LV, ExprType);
- if (LV.isKVCRef())
- return EmitLoadOfKVCRefLValue(LV, ExprType);
-
- assert(0 && "Unknown LValue type!");
- //an invalid RValue, but the assert will
- //ensure that this point is never reached
- return RValue();
+ assert(LV.isKVCRef() && "Unknown LValue type!");
+ return EmitLoadOfKVCRefLValue(LV, ExprType);
}
RValue CodeGenFunction::EmitLoadOfBitfieldLValue(LValue LV,
@@ -799,7 +794,16 @@
LValue CodeGenFunction::
EmitExtVectorElementExpr(const ExtVectorElementExpr *E) {
// Emit the base vector as an l-value.
- LValue Base = EmitLValue(E->getBase());
+ LValue Base;
+
+ // ExtVectorElementExpr's base can either be a vector or pointer to vector.
+ if (const PointerType *PT = E->getBase()->getType()->getAsPointerType()) {
+ llvm::Value *Ptr = EmitScalarExpr(E->getBase());
+ Base = LValue::MakeAddr(Ptr, PT->getPointeeType().getCVRQualifiers());
+ } else {
+ assert(E->getBase()->getType()->isVectorType());
+ Base = EmitLValue(E->getBase());
+ }
// Encode the element access list into a vector of unsigned indices.
llvm::SmallVector<unsigned, 4> Indices;