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path: root/lib/Transforms/Scalar/CorrelatedExprs.cpp
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Diffstat (limited to 'lib/Transforms/Scalar/CorrelatedExprs.cpp')
-rw-r--r--lib/Transforms/Scalar/CorrelatedExprs.cpp24
1 files changed, 15 insertions, 9 deletions
diff --git a/lib/Transforms/Scalar/CorrelatedExprs.cpp b/lib/Transforms/Scalar/CorrelatedExprs.cpp
index 277a1284ea..d9843a52b5 100644
--- a/lib/Transforms/Scalar/CorrelatedExprs.cpp
+++ b/lib/Transforms/Scalar/CorrelatedExprs.cpp
@@ -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!");