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Propagate debug loc info for ANY_EXTEND.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63436 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -3288,7 +3288,7 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
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if (N0.getOpcode() == ISD::ANY_EXTEND ||
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if (N0.getOpcode() == ISD::ANY_EXTEND ||
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N0.getOpcode() == ISD::ZERO_EXTEND ||
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N0.getOpcode() == ISD::ZERO_EXTEND ||
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N0.getOpcode() == ISD::SIGN_EXTEND)
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N0.getOpcode() == ISD::SIGN_EXTEND)
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return DAG.getNode(N0.getOpcode(), VT, N0.getOperand(0));
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return DAG.getNode(N0.getOpcode(), N->getDebugLoc(), VT, N0.getOperand(0));
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// fold (aext (truncate (load x))) -> (aext (smaller load x))
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// fold (aext (truncate (load x))) -> (aext (smaller load x))
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// fold (aext (truncate (srl (load x), c))) -> (aext (small load (x+c/n)))
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// fold (aext (truncate (srl (load x), c))) -> (aext (small load (x+c/n)))
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@ -3297,7 +3297,7 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
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if (NarrowLoad.getNode()) {
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if (NarrowLoad.getNode()) {
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if (NarrowLoad.getNode() != N0.getNode())
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if (NarrowLoad.getNode() != N0.getNode())
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CombineTo(N0.getNode(), NarrowLoad);
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CombineTo(N0.getNode(), NarrowLoad);
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return DAG.getNode(ISD::ANY_EXTEND, VT, NarrowLoad);
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return DAG.getNode(ISD::ANY_EXTEND, N->getDebugLoc(), VT, NarrowLoad);
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}
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}
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}
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}
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@ -3307,8 +3307,8 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
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if (TruncOp.getValueType() == VT)
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if (TruncOp.getValueType() == VT)
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return TruncOp; // x iff x size == zext size.
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return TruncOp; // x iff x size == zext size.
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if (TruncOp.getValueType().bitsGT(VT))
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if (TruncOp.getValueType().bitsGT(VT))
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return DAG.getNode(ISD::TRUNCATE, VT, TruncOp);
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return DAG.getNode(ISD::TRUNCATE, N->getDebugLoc(), VT, TruncOp);
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return DAG.getNode(ISD::ANY_EXTEND, VT, TruncOp);
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return DAG.getNode(ISD::ANY_EXTEND, N->getDebugLoc(), VT, TruncOp);
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}
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}
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// fold (aext (and (trunc x), cst)) -> (and x, cst).
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// fold (aext (and (trunc x), cst)) -> (and x, cst).
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@ -3317,13 +3317,14 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
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N0.getOperand(1).getOpcode() == ISD::Constant) {
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N0.getOperand(1).getOpcode() == ISD::Constant) {
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SDValue X = N0.getOperand(0).getOperand(0);
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SDValue X = N0.getOperand(0).getOperand(0);
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if (X.getValueType().bitsLT(VT)) {
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if (X.getValueType().bitsLT(VT)) {
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X = DAG.getNode(ISD::ANY_EXTEND, VT, X);
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X = DAG.getNode(ISD::ANY_EXTEND, DebugLoc::getUnknownLoc(), VT, X);
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} else if (X.getValueType().bitsGT(VT)) {
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} else if (X.getValueType().bitsGT(VT)) {
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X = DAG.getNode(ISD::TRUNCATE, VT, X);
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X = DAG.getNode(ISD::TRUNCATE, DebugLoc::getUnknownLoc(), VT, X);
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}
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}
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APInt Mask = cast<ConstantSDNode>(N0.getOperand(1))->getAPIntValue();
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APInt Mask = cast<ConstantSDNode>(N0.getOperand(1))->getAPIntValue();
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Mask.zext(VT.getSizeInBits());
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Mask.zext(VT.getSizeInBits());
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return DAG.getNode(ISD::AND, VT, X, DAG.getConstant(Mask, VT));
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return DAG.getNode(ISD::AND, N->getDebugLoc(), VT,
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X, DAG.getConstant(Mask, VT));
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}
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}
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// fold (aext (load x)) -> (aext (truncate (extload x)))
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// fold (aext (load x)) -> (aext (truncate (extload x)))
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@ -3331,7 +3332,8 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
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((!LegalOperations && !cast<LoadSDNode>(N0)->isVolatile()) ||
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((!LegalOperations && !cast<LoadSDNode>(N0)->isVolatile()) ||
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TLI.isLoadExtLegal(ISD::EXTLOAD, N0.getValueType()))) {
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TLI.isLoadExtLegal(ISD::EXTLOAD, N0.getValueType()))) {
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LoadSDNode *LN0 = cast<LoadSDNode>(N0);
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LoadSDNode *LN0 = cast<LoadSDNode>(N0);
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SDValue ExtLoad = DAG.getExtLoad(ISD::EXTLOAD, VT, LN0->getChain(),
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SDValue ExtLoad = DAG.getExtLoad(ISD::EXTLOAD, N->getDebugLoc(), VT,
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LN0->getChain(),
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LN0->getBasePtr(), LN0->getSrcValue(),
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LN0->getBasePtr(), LN0->getSrcValue(),
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LN0->getSrcValueOffset(),
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LN0->getSrcValueOffset(),
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N0.getValueType(),
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N0.getValueType(),
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@ -3342,7 +3344,8 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
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SDValue(ExtLoad.getNode(), 1));
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SDValue(ExtLoad.getNode(), 1));
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// If any node needs the original loaded value, recompute it.
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// If any node needs the original loaded value, recompute it.
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if (!LN0->use_empty())
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if (!LN0->use_empty())
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CombineTo(LN0, DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad),
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CombineTo(LN0, DAG.getNode(ISD::TRUNCATE, N0.getDebugLoc(),
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N0.getValueType(), ExtLoad),
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ExtLoad.getValue(1));
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ExtLoad.getValue(1));
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return SDValue(N, 0); // Return N so it doesn't get rechecked!
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return SDValue(N, 0); // Return N so it doesn't get rechecked!
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}
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}
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@ -3355,14 +3358,15 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
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N0.hasOneUse()) {
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N0.hasOneUse()) {
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LoadSDNode *LN0 = cast<LoadSDNode>(N0);
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LoadSDNode *LN0 = cast<LoadSDNode>(N0);
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MVT EVT = LN0->getMemoryVT();
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MVT EVT = LN0->getMemoryVT();
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SDValue ExtLoad = DAG.getExtLoad(LN0->getExtensionType(), VT,
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SDValue ExtLoad = DAG.getExtLoad(LN0->getExtensionType(), N->getDebugLoc(),
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LN0->getChain(), LN0->getBasePtr(),
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VT, LN0->getChain(), LN0->getBasePtr(),
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LN0->getSrcValue(),
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LN0->getSrcValue(),
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LN0->getSrcValueOffset(), EVT,
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LN0->getSrcValueOffset(), EVT,
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LN0->isVolatile(), LN0->getAlignment());
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LN0->isVolatile(), LN0->getAlignment());
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CombineTo(N, ExtLoad);
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CombineTo(N, ExtLoad);
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CombineTo(N0.getNode(),
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CombineTo(N0.getNode(),
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DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad),
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DAG.getNode(ISD::TRUNCATE, N0.getDebugLoc(),
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N0.getValueType(), ExtLoad),
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ExtLoad.getValue(1));
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ExtLoad.getValue(1));
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return SDValue(N, 0); // Return N so it doesn't get rechecked!
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return SDValue(N, 0); // Return N so it doesn't get rechecked!
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}
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}
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