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Construct ConstantInt with simpler constructor.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34795 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2007-03-01 19:32:33 +00:00
parent af1aacd91a
commit c7cd7a0bb1
1 changed files with 4 additions and 4 deletions
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8
lib/Analysis/ScalarEvolution.cpp
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@ -500,7 +500,7 @@ static SCEVHandle PartialFact(SCEVHandle V, unsigned NumSteps) {
APInt Result(Val.getBitWidth(), 1); APInt Result(Val.getBitWidth(), 1);
for (; NumSteps; --NumSteps) for (; NumSteps; --NumSteps)
Result *= Val-(NumSteps-1); Result *= Val-(NumSteps-1);
return SCEVUnknown::get(ConstantInt::get(V->getType(), Result)); return SCEVUnknown::get(ConstantInt::get(Result));
} }
const Type *Ty = V->getType(); const Type *Ty = V->getType();
@ -2364,7 +2364,7 @@ SCEVHandle SCEVAddRecExpr::getNumIterationsInRange(ConstantRange Range,
APInt ExitVal(Upper); APInt ExitVal(Upper);
if (A != One) if (A != One)
ExitVal = (Upper + A - One).sdiv(A); ExitVal = (Upper + A - One).sdiv(A);
ConstantInt *ExitValue = ConstantInt::get(getType(), ExitVal); ConstantInt *ExitValue = ConstantInt::get(ExitVal);
// Evaluate at the exit value. If we really did fall out of the valid // Evaluate at the exit value. If we really did fall out of the valid
// range, then we computed our trip count, otherwise wrap around or other // range, then we computed our trip count, otherwise wrap around or other
@ -2376,7 +2376,7 @@ SCEVHandle SCEVAddRecExpr::getNumIterationsInRange(ConstantRange Range,
// Ensure that the previous value is in the range. This is a sanity check. // Ensure that the previous value is in the range. This is a sanity check.
assert(Range.contains( assert(Range.contains(
EvaluateConstantChrecAtConstant(this, EvaluateConstantChrecAtConstant(this,
ConstantInt::get(getType(), ExitVal - One))->getValue()) && ConstantInt::get(ExitVal - One))->getValue()) &&
"Linear scev computation is off in a bad way!"); "Linear scev computation is off in a bad way!");
return SCEVConstant::get(cast<ConstantInt>(ExitValue)); return SCEVConstant::get(cast<ConstantInt>(ExitValue));
} else if (isQuadratic()) { } else if (isQuadratic()) {
@ -2386,7 +2386,7 @@ SCEVHandle SCEVAddRecExpr::getNumIterationsInRange(ConstantRange Range,
// Range.getUpper() is crossed. // Range.getUpper() is crossed.
std::vector<SCEVHandle> NewOps(op_begin(), op_end()); std::vector<SCEVHandle> NewOps(op_begin(), op_end());
NewOps[0] = SCEV::getNegativeSCEV(SCEVUnknown::get( NewOps[0] = SCEV::getNegativeSCEV(SCEVUnknown::get(
ConstantInt::get(getType(), Range.getUpper()))); ConstantInt::get(Range.getUpper())));
SCEVHandle NewAddRec = SCEVAddRecExpr::get(NewOps, getLoop()); SCEVHandle NewAddRec = SCEVAddRecExpr::get(NewOps, getLoop());
// Next, solve the constructed addrec // Next, solve the constructed addrec