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For PR1205:

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Adjust to changes in ConstantRange interface.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34762 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2007-02-28 22:03:51 +00:00
parent bb626a6751
commit c6aedf70b3
2 changed files with 20 additions and 13 deletions
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9
lib/Analysis/ScalarEvolution.cpp
View File

@ -124,7 +124,7 @@ ConstantRange SCEV::getValueRange() const {
const Type *Ty = getType();
assert(Ty->isInteger() && "Can't get range for a non-integer SCEV!");
// Default to a full range if no better information is available.
return ConstantRange(getType());
return ConstantRange(getBitWidth());
}
uint32_t SCEV::getBitWidth() const {
@ -211,7 +211,7 @@ SCEVTruncateExpr::~SCEVTruncateExpr() {
}
ConstantRange SCEVTruncateExpr::getValueRange() const {
return getOperand()->getValueRange().truncate(getType());
return getOperand()->getValueRange().truncate(getBitWidth());
}
void SCEVTruncateExpr::print(std::ostream &OS) const {
@ -237,7 +237,7 @@ SCEVZeroExtendExpr::~SCEVZeroExtendExpr() {
}
ConstantRange SCEVZeroExtendExpr::getValueRange() const {
return getOperand()->getValueRange().zeroExtend(getType());
return getOperand()->getValueRange().zeroExtend(getBitWidth());
}
void SCEVZeroExtendExpr::print(std::ostream &OS) const {
@ -1572,7 +1572,8 @@ SCEVHandle ScalarEvolutionsImpl::ComputeIterationCount(const Loop *L) {
ConstantExpr::getBitCast(CompVal, RealTy));
if (CompVal) {
// Form the constant range.
ConstantRange CompRange(Cond, CompVal->getValue());
ConstantRange CompRange(
ICmpInst::makeConstantRange(Cond, CompVal->getValue()));
SCEVHandle Ret = AddRec->getNumIterationsInRange(CompRange,
false /*Always treat as unsigned range*/);

24
lib/Transforms/Scalar/CorrelatedExprs.cpp
View File

@ -113,7 +113,8 @@ namespace {
Value *Replacement;
public:
ValueInfo(const Type *Ty)
: Bounds(Ty->isInteger() ? Ty : Type::Int32Ty), Replacement(0) {}
: Bounds(Ty->isInteger() ? cast<IntegerType>(Ty)->getBitWidth() : 32),
Replacement(0) {}
// getBounds() - Return the constant bounds of the value...
const ConstantRange &getBounds() const { return Bounds; }
@ -1153,9 +1154,10 @@ Relation::KnownResult CEE::getCmpResult(CmpInst *CI,
//
if (ConstantInt *C = dyn_cast<ConstantInt>(Op1)) {
// Check to see if we already know the result of this comparison...
ConstantRange R = ConstantRange(predicate, C->getValue());
ICmpInst::Predicate ipred = ICmpInst::Predicate(predicate);
ConstantRange R = ICmpInst::makeConstantRange(ipred, C->getValue());
ConstantRange Int = R.intersectWith(Op0VI->getBounds(),
ICmpInst::isSignedPredicate(ICmpInst::Predicate(predicate)));
ICmpInst::isSignedPredicate(ipred));
// If the intersection of the two ranges is empty, then the condition
// could never be true!
@ -1199,10 +1201,12 @@ bool Relation::contradicts(unsigned Op,
//
if (ConstantInt *C = dyn_cast<ConstantInt>(Val))
if (Op >= ICmpInst::FIRST_ICMP_PREDICATE &&
Op <= ICmpInst::LAST_ICMP_PREDICATE)
if (ConstantRange(Op, C->getValue()).intersectWith(VI.getBounds(),
ICmpInst::isSignedPredicate(ICmpInst::Predicate(Op))).isEmptySet())
Op <= ICmpInst::LAST_ICMP_PREDICATE) {
ICmpInst::Predicate ipred = ICmpInst::Predicate(Op);
if (ICmpInst::makeConstantRange(ipred, C->getValue()).intersectWith(
VI.getBounds(), ICmpInst::isSignedPredicate(ipred)).isEmptySet())
return true;
}
switch (Rel) {
default: assert(0 && "Unknown Relationship code!");
@ -1257,10 +1261,12 @@ bool Relation::incorporate(unsigned Op, ValueInfo &VI) {
//
if (ConstantInt *C = dyn_cast<ConstantInt>(Val))
if (Op >= ICmpInst::FIRST_ICMP_PREDICATE &&
Op <= ICmpInst::LAST_ICMP_PREDICATE)
Op <= ICmpInst::LAST_ICMP_PREDICATE) {
ICmpInst::Predicate ipred = ICmpInst::Predicate(Op);
VI.getBounds() =
ConstantRange(Op, C->getValue()).intersectWith(VI.getBounds(),
ICmpInst::isSignedPredicate(ICmpInst::Predicate(Op)));
ICmpInst::makeConstantRange(ipred, C->getValue()).intersectWith(
VI.getBounds(), ICmpInst::isSignedPredicate(ipred));
}
switch (Rel) {
default: assert(0 && "Unknown prior value!");