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Fix CodeGen/PowerPC/2006-01-20-ShiftPartsCrash.ll

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25496 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-01-21 04:27:00 +00:00
parent 60dda07913
commit 348e93c8f7
1 changed files with 15 additions and 15 deletions
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30
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -3710,9 +3710,9 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
NeedsAnotherIteration = true; NeedsAnotherIteration = true;
switch (Node->getOpcode()) { switch (Node->getOpcode()) {
case ISD::CopyFromReg: case ISD::CopyFromReg:
assert(0 && "CopyFromReg must be legal!"); assert(0 && "CopyFromReg must be legal!");
default: default:
std::cerr << "NODE: "; Node->dump(); std::cerr << "\n"; std::cerr << "NODE: "; Node->dump(); std::cerr << "\n";
assert(0 && "Do not know how to expand this operator!"); assert(0 && "Do not know how to expand this operator!");
abort(); abort();
@ -4161,9 +4161,10 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
case ISD::SHL: { case ISD::SHL: {
// If the target wants custom lowering, do so. // If the target wants custom lowering, do so.
SDOperand ShiftAmt = LegalizeOp(Node->getOperand(1));
if (TLI.getOperationAction(ISD::SHL, VT) == TargetLowering::Custom) { if (TLI.getOperationAction(ISD::SHL, VT) == TargetLowering::Custom) {
SDOperand Op = DAG.getNode(ISD::SHL, VT, Node->getOperand(0), SDOperand Op = DAG.getNode(ISD::SHL, VT, Node->getOperand(0),
LegalizeOp(Node->getOperand(1))); ShiftAmt);
Op = TLI.LowerOperation(Op, DAG); Op = TLI.LowerOperation(Op, DAG);
if (Op.Val) { if (Op.Val) {
// Now that the custom expander is done, expand the result, which is // Now that the custom expander is done, expand the result, which is
@ -4174,7 +4175,7 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
} }
// If we can emit an efficient shift operation, do so now. // If we can emit an efficient shift operation, do so now.
if (ExpandShift(ISD::SHL, Node->getOperand(0), Node->getOperand(1), Lo, Hi)) if (ExpandShift(ISD::SHL, Node->getOperand(0), ShiftAmt, Lo, Hi))
break; break;
// If this target supports SHL_PARTS, use it. // If this target supports SHL_PARTS, use it.
@ -4182,8 +4183,7 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
TLI.getOperationAction(ISD::SHL_PARTS, NVT); TLI.getOperationAction(ISD::SHL_PARTS, NVT);
if ((Action == TargetLowering::Legal && TLI.isTypeLegal(NVT)) || if ((Action == TargetLowering::Legal && TLI.isTypeLegal(NVT)) ||
Action == TargetLowering::Custom) { Action == TargetLowering::Custom) {
ExpandShiftParts(ISD::SHL_PARTS, Node->getOperand(0), Node->getOperand(1), ExpandShiftParts(ISD::SHL_PARTS, Node->getOperand(0), ShiftAmt, Lo, Hi);
Lo, Hi);
break; break;
} }
@ -4194,9 +4194,10 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
case ISD::SRA: { case ISD::SRA: {
// If the target wants custom lowering, do so. // If the target wants custom lowering, do so.
SDOperand ShiftAmt = LegalizeOp(Node->getOperand(1));
if (TLI.getOperationAction(ISD::SRA, VT) == TargetLowering::Custom) { if (TLI.getOperationAction(ISD::SRA, VT) == TargetLowering::Custom) {
SDOperand Op = DAG.getNode(ISD::SRA, VT, Node->getOperand(0), SDOperand Op = DAG.getNode(ISD::SRA, VT, Node->getOperand(0),
LegalizeOp(Node->getOperand(1))); ShiftAmt);
Op = TLI.LowerOperation(Op, DAG); Op = TLI.LowerOperation(Op, DAG);
if (Op.Val) { if (Op.Val) {
// Now that the custom expander is done, expand the result, which is // Now that the custom expander is done, expand the result, which is
@ -4207,7 +4208,7 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
} }
// If we can emit an efficient shift operation, do so now. // If we can emit an efficient shift operation, do so now.
if (ExpandShift(ISD::SRA, Node->getOperand(0), Node->getOperand(1), Lo, Hi)) if (ExpandShift(ISD::SRA, Node->getOperand(0), ShiftAmt, Lo, Hi))
break; break;
// If this target supports SRA_PARTS, use it. // If this target supports SRA_PARTS, use it.
@ -4215,8 +4216,7 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
TLI.getOperationAction(ISD::SRA_PARTS, NVT); TLI.getOperationAction(ISD::SRA_PARTS, NVT);
if ((Action == TargetLowering::Legal && TLI.isTypeLegal(NVT)) || if ((Action == TargetLowering::Legal && TLI.isTypeLegal(NVT)) ||
Action == TargetLowering::Custom) { Action == TargetLowering::Custom) {
ExpandShiftParts(ISD::SRA_PARTS, Node->getOperand(0), Node->getOperand(1), ExpandShiftParts(ISD::SRA_PARTS, Node->getOperand(0), ShiftAmt, Lo, Hi);
Lo, Hi);
break; break;
} }
@ -4227,9 +4227,10 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
case ISD::SRL: { case ISD::SRL: {
// If the target wants custom lowering, do so. // If the target wants custom lowering, do so.
SDOperand ShiftAmt = LegalizeOp(Node->getOperand(1));
if (TLI.getOperationAction(ISD::SRL, VT) == TargetLowering::Custom) { if (TLI.getOperationAction(ISD::SRL, VT) == TargetLowering::Custom) {
SDOperand Op = DAG.getNode(ISD::SRL, VT, Node->getOperand(0), SDOperand Op = DAG.getNode(ISD::SRL, VT, Node->getOperand(0),
LegalizeOp(Node->getOperand(1))); ShiftAmt);
Op = TLI.LowerOperation(Op, DAG); Op = TLI.LowerOperation(Op, DAG);
if (Op.Val) { if (Op.Val) {
// Now that the custom expander is done, expand the result, which is // Now that the custom expander is done, expand the result, which is
@ -4240,7 +4241,7 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
} }
// If we can emit an efficient shift operation, do so now. // If we can emit an efficient shift operation, do so now.
if (ExpandShift(ISD::SRL, Node->getOperand(0), Node->getOperand(1), Lo, Hi)) if (ExpandShift(ISD::SRL, Node->getOperand(0), ShiftAmt, Lo, Hi))
break; break;
// If this target supports SRL_PARTS, use it. // If this target supports SRL_PARTS, use it.
@ -4248,8 +4249,7 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
TLI.getOperationAction(ISD::SRL_PARTS, NVT); TLI.getOperationAction(ISD::SRL_PARTS, NVT);
if ((Action == TargetLowering::Legal && TLI.isTypeLegal(NVT)) || if ((Action == TargetLowering::Legal && TLI.isTypeLegal(NVT)) ||
Action == TargetLowering::Custom) { Action == TargetLowering::Custom) {
ExpandShiftParts(ISD::SRL_PARTS, Node->getOperand(0), Node->getOperand(1), ExpandShiftParts(ISD::SRL_PARTS, Node->getOperand(0), ShiftAmt, Lo, Hi);
Lo, Hi);
break; break;
} }