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SCCP does not handle Packed Type properly. Disable Packed Type handling

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for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32208 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2006-12-04 23:54:59 +00:00
parent 887ee06f94
commit 67a821d9a3
2 changed files with 166 additions and 1 deletions
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18
lib/Transforms/Scalar/SCCP.cpp
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@ -749,6 +749,11 @@ void SCCPSolver::visitBinaryOperator(Instruction &I) {
}
void SCCPSolver::visitExtractElementInst(ExtractElementInst &I) {
// FIXME : SCCP does not handle vectors properly.
markOverdefined(&I);
return;
#if 0
LatticeVal &ValState = getValueState(I.getOperand(0));
LatticeVal &IdxState = getValueState(I.getOperand(1));
@ -757,9 +762,14 @@ void SCCPSolver::visitExtractElementInst(ExtractElementInst &I) {
else if(ValState.isConstant() && IdxState.isConstant())
markConstant(&I, ConstantExpr::getExtractElement(ValState.getConstant(),
IdxState.getConstant()));
#endif
}
void SCCPSolver::visitInsertElementInst(InsertElementInst &I) {
// FIXME : SCCP does not handle vectors properly.
markOverdefined(&I);
return;
#if 0
LatticeVal &ValState = getValueState(I.getOperand(0));
LatticeVal &EltState = getValueState(I.getOperand(1));
LatticeVal &IdxState = getValueState(I.getOperand(2));
@ -773,13 +783,18 @@ void SCCPSolver::visitInsertElementInst(InsertElementInst &I) {
EltState.getConstant(),
IdxState.getConstant()));
else if (ValState.isUndefined() && EltState.isConstant() &&
IdxState.isConstant())
IdxState.isConstant())
markConstant(&I, ConstantExpr::getInsertElement(UndefValue::get(I.getType()),
EltState.getConstant(),
IdxState.getConstant()));
#endif
}
void SCCPSolver::visitShuffleVectorInst(ShuffleVectorInst &I) {
// FIXME : SCCP does not handle vectors properly.
markOverdefined(&I);
return;
#if 0
LatticeVal &V1State = getValueState(I.getOperand(0));
LatticeVal &V2State = getValueState(I.getOperand(1));
LatticeVal &MaskState = getValueState(I.getOperand(2));
@ -801,6 +816,7 @@ void SCCPSolver::visitShuffleVectorInst(ShuffleVectorInst &I) {
MaskState.getConstant() : UndefValue::get(I.getOperand(2)->getType());
markConstant(&I, ConstantExpr::getShuffleVector(V1, V2, Mask));
}
#endif
}
// Handle getelementptr instructions... if all operands are constants then we