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Vectors are not supported by ConstantInt::getAllOnesValue.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32827 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey 2007-01-03 00:11:03 +00:00
parent 56581b713d
commit 52ab904ee5
1 changed files with 10 additions and 5 deletions
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15
lib/Transforms/Scalar/SCCP.cpp
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@ -88,6 +88,7 @@ public:
if (LatticeValue != constant) {
if (LatticeValue == undefined) {
LatticeValue = constant;
assert(V && "Marking constant with NULL");
ConstantVal = V;
} else {
assert(LatticeValue == forcedconstant &&
@ -699,14 +700,15 @@ void SCCPSolver::visitBinaryOperator(Instruction &I) {
// Could annihilate value.
if (I.getOpcode() == Instruction::And)
markConstant(IV, &I, Constant::getNullValue(I.getType()));
else
markConstant(IV, &I, ConstantInt::getAllOnesValue(I.getType()));
else if (Constant *Ones = ConstantInt::getAllOnesValue(I.getType())) {
markConstant(IV, &I, Ones);
}
return;
} else {
if (I.getOpcode() == Instruction::And) {
if (NonOverdefVal->getConstant()->isNullValue()) {
markConstant(IV, &I, NonOverdefVal->getConstant());
return; // X or 0 = -1
return; // X and 0 = 0
}
} else {
if (ConstantIntegral *CI =
@ -1231,8 +1233,11 @@ bool SCCPSolver::ResolvedUndefsIn(Function &F) {
case Instruction::Or:
// undef | X -> -1. X could be -1.
markForcedConstant(LV, I, ConstantInt::getAllOnesValue(ITy));
return true;
if (Constant *Ones = ConstantInt::getAllOnesValue(ITy)) {
markForcedConstant(LV, I, Ones);
return true;
}
break;
case Instruction::SDiv:
case Instruction::UDiv: