// scalars.
if (ISD::isNON_EXTLoad(N0.getNode()) && !VT.isVector() &&
ISD::isUNINDEXEDLoad(N0.getNode()) &&
- ((!LegalOperations && !cast<LoadSDNode>(N0)->isVolatile()) ||
- TLI.isLoadExtLegal(ISD::EXTLOAD, N0.getValueType()))) {
+ TLI.isLoadExtLegal(ISD::EXTLOAD, N0.getValueType())) {
bool DoXform = true;
SmallVector<SDNode*, 4> SetCCs;
if (!N0.hasOneUse())
// fold (fpext (load x)) -> (fpext (fptrunc (extload x)))
if (ISD::isNormalLoad(N0.getNode()) && N0.hasOneUse() &&
- ((!LegalOperations && !cast<LoadSDNode>(N0)->isVolatile()) ||
- TLI.isLoadExtLegal(ISD::EXTLOAD, N0.getValueType()))) {
+ TLI.isLoadExtLegal(ISD::EXTLOAD, N0.getValueType())) {
LoadSDNode *LN0 = cast<LoadSDNode>(N0);
SDValue ExtLoad = DAG.getExtLoad(ISD::EXTLOAD, SDLoc(N), VT,
LN0->getChain(),
(MVT::SimpleValueType)InnerVT, Expand);
setLoadExtAction(ISD::SEXTLOAD, VT, Expand);
setLoadExtAction(ISD::ZEXTLOAD, VT, Expand);
- setLoadExtAction(ISD::EXTLOAD, VT, Expand);
+
+ // N.b. ISD::EXTLOAD legality is basically ignored except for i1-like types,
+ // we have to deal with them whether we ask for Expansion or not. Setting
+ // Expand causes its own optimisation problems though, so leave them legal.
+ if (VT.getVectorElementType() == MVT::i1)
+ setLoadExtAction(ISD::EXTLOAD, VT, Expand);
}
// FIXME: In order to prevent SSE instructions being expanded to MMX ones