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Fix the trunc(load) case, finally allowing crafty and povray to pass

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23718 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-10-13 22:10:05 +00:00
parent f98840531a
commit 24edbb7a6c
1 changed files with 2 additions and 1 deletions
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3
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -462,6 +462,7 @@ SDOperand DAGCombiner::visitTokenFactor(SDNode *N) {
if (N->getOperand(1).getOpcode() == ISD::EntryToken) if (N->getOperand(1).getOpcode() == ISD::EntryToken)
return N->getOperand(0); return N->getOperand(0);
} }
// fold (tokenfactor (tokenfactor)) -> tokenfactor // fold (tokenfactor (tokenfactor)) -> tokenfactor
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) { for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
SDOperand Op = N->getOperand(i); SDOperand Op = N->getOperand(i);
@ -1386,8 +1387,8 @@ SDOperand DAGCombiner::visitTRUNCATE(SDNode *N) {
DAG.getConstant(PtrOff, PtrType)); DAG.getConstant(PtrOff, PtrType));
WorkList.push_back(NewPtr.Val); WorkList.push_back(NewPtr.Val);
SDOperand Load = DAG.getLoad(VT, N0.getOperand(0), NewPtr,N0.getOperand(2)); SDOperand Load = DAG.getLoad(VT, N0.getOperand(0), NewPtr,N0.getOperand(2));
CombineTo(N0.Val, Load, Load.getOperand(0));
WorkList.push_back(N); WorkList.push_back(N);
CombineTo(N0.Val, Load, Load.getValue(1));
return SDOperand(); return SDOperand();
} }
return SDOperand(); return SDOperand();