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More ordering plumbing. This time for GEP. I need to remember to assign

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orderings to values returned by getValue().

llvm-svn: 91850
This commit is contained in:
Bill Wendling 2009-12-21 23:10:19 +00:00
parent 41cad2092d
commit 576a9ae88d
1 changed files with 32 additions and 4 deletions
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36
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@ -2383,6 +2383,11 @@ void SelectionDAGBuilder::visitShuffleVector(User &I) {
SDValue Src1 = getValue(I.getOperand(0));
SDValue Src2 = getValue(I.getOperand(1));
if (DisableScheduling) {
DAG.AssignOrdering(Src1.getNode(), SDNodeOrder);
DAG.AssignOrdering(Src2.getNode(), SDNodeOrder);
}
// Convert the ConstantVector mask operand into an array of ints, with -1
// representing undef values.
SmallVector<Constant*, 8> MaskElts;
@ -2460,8 +2465,11 @@ void SelectionDAGBuilder::visitShuffleVector(User &I) {
&MappedOps[0]);
setValue(&I, Res);
if (DisableScheduling)
if (DisableScheduling) {
DAG.AssignOrdering(Src1.getNode(), SDNodeOrder);
DAG.AssignOrdering(Src2.getNode(), SDNodeOrder);
DAG.AssignOrdering(Res.getNode(), SDNodeOrder);
}
return;
}
@ -2671,11 +2679,13 @@ void SelectionDAGBuilder::visitExtractValue(ExtractValueInst &I) {
DAG.AssignOrdering(Res.getNode(), SDNodeOrder);
}
void SelectionDAGBuilder::visitGetElementPtr(User &I) {
SDValue N = getValue(I.getOperand(0));
const Type *Ty = I.getOperand(0)->getType();
if (DisableScheduling)
DAG.AssignOrdering(N.getNode(), SDNodeOrder);
for (GetElementPtrInst::op_iterator OI = I.op_begin()+1, E = I.op_end();
OI != E; ++OI) {
Value *Idx = *OI;
@ -2686,7 +2696,11 @@ void SelectionDAGBuilder::visitGetElementPtr(User &I) {
uint64_t Offset = TD->getStructLayout(StTy)->getElementOffset(Field);
N = DAG.getNode(ISD::ADD, getCurDebugLoc(), N.getValueType(), N,
DAG.getIntPtrConstant(Offset));
if (DisableScheduling)
DAG.AssignOrdering(N.getNode(), SDNodeOrder);
}
Ty = StTy->getElementType(Field);
} else {
Ty = cast<SequentialType>(Ty)->getElementType();
@ -2699,14 +2713,21 @@ void SelectionDAGBuilder::visitGetElementPtr(User &I) {
SDValue OffsVal;
EVT PTy = TLI.getPointerTy();
unsigned PtrBits = PTy.getSizeInBits();
if (PtrBits < 64) {
if (PtrBits < 64)
OffsVal = DAG.getNode(ISD::TRUNCATE, getCurDebugLoc(),
TLI.getPointerTy(),
DAG.getConstant(Offs, MVT::i64));
} else
else
OffsVal = DAG.getIntPtrConstant(Offs);
N = DAG.getNode(ISD::ADD, getCurDebugLoc(), N.getValueType(), N,
OffsVal);
if (DisableScheduling) {
DAG.AssignOrdering(OffsVal.getNode(), SDNodeOrder);
DAG.AssignOrdering(N.getNode(), SDNodeOrder);
}
continue;
}
@ -2732,12 +2753,19 @@ void SelectionDAGBuilder::visitGetElementPtr(User &I) {
IdxN = DAG.getNode(ISD::MUL, getCurDebugLoc(),
N.getValueType(), IdxN, Scale);
}
if (DisableScheduling)
DAG.AssignOrdering(IdxN.getNode(), SDNodeOrder);
}
N = DAG.getNode(ISD::ADD, getCurDebugLoc(),
N.getValueType(), N, IdxN);
if (DisableScheduling)
DAG.AssignOrdering(N.getNode(), SDNodeOrder);
}
}
setValue(&I, N);
}