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Implement review feedback for the ConstantBool->ConstantInt merge. Chris

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recommended that getBoolValue be replaced with getZExtValue and that
get(bool) be replaced by get(const Type*, uint64_t). This implements
those changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33110 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2007-01-12 04:24:46 +00:00
parent 53bfebc967
commit 579dca12c2
27 changed files with 175 additions and 159 deletions
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lib/Analysis/ScalarEvolution.cpp
+4 -4
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@@ -1722,7 +1722,7 @@ ComputeLoadConstantCompareIterationCount(LoadInst *LI, Constant *RHS,
// Evaluate the condition for this iteration.
Result = ConstantExpr::getICmp(predicate, Result, RHS);
if (!isa<ConstantInt>(Result)) break; // Couldn't decide for sure
if (cast<ConstantInt>(Result)->getBoolValue() == false) {
if (cast<ConstantInt>(Result)->getZExtValue() == false) {
#if 0
cerr << "\n***\n*** Computed loop count " << *ItCst
<< "\n*** From global " << *GV << "*** BB: " << *L->getHeader()
@@ -1932,7 +1932,7 @@ ComputeIterationCountExhaustively(const Loop *L, Value *Cond, bool ExitWhen) {
// Couldn't symbolically evaluate.
if (!CondVal || CondVal->getType() != Type::Int1Ty) return UnknownValue;
if (CondVal->getBoolValue() == ExitWhen) {
if (CondVal->getZExtValue() == ExitWhen) {
ConstantEvolutionLoopExitValue[PN] = PHIVal;
++NumBruteForceTripCountsComputed;
return SCEVConstant::get(ConstantInt::get(Type::Int32Ty, IterationNum));
@@ -2204,7 +2204,7 @@ SCEVHandle ScalarEvolutionsImpl::HowFarToZero(SCEV *V, const Loop *L) {
if (ConstantInt *CB =
dyn_cast<ConstantInt>(ConstantExpr::getICmp(ICmpInst::ICMP_ULT,
R1->getValue(), R2->getValue()))) {
if (CB->getBoolValue() == false)
if (CB->getZExtValue() == false)
std::swap(R1, R2); // R1 is the minimum root now.
// We can only use this value if the chrec ends up with an exact zero
@@ -2429,7 +2429,7 @@ SCEVHandle SCEVAddRecExpr::getNumIterationsInRange(ConstantRange Range,
if (ConstantInt *CB =
dyn_cast<ConstantInt>(ConstantExpr::getICmp(ICmpInst::ICMP_ULT,
R1->getValue(), R2->getValue()))) {
if (CB->getBoolValue() == false)
if (CB->getZExtValue() == false)
std::swap(R1, R2); // R1 is the minimum root now.
// Make sure the root is not off by one. The returned iteration should