[llvm] 6ab663b - [LVI] Require UndefAllowed argument to getConstantRangeAtUse() (NFC)
Nikita Popov via llvm-commits
llvm-commits at lists.llvm.org
Tue Dec 12 03:46:30 PST 2023
Author: Nikita Popov
Date: 2023-12-12T12:45:49+01:00
New Revision: 6ab663be8da2b2f0a3a59d1ab6935100fb832049
URL: https://github.com/llvm/llvm-project/commit/6ab663be8da2b2f0a3a59d1ab6935100fb832049
DIFF: https://github.com/llvm/llvm-project/commit/6ab663be8da2b2f0a3a59d1ab6935100fb832049.diff
LOG: [LVI] Require UndefAllowed argument to getConstantRangeAtUse() (NFC)
For the remaining uses set it to true, matching the current
behavior.
Added:
Modified:
llvm/include/llvm/Analysis/LazyValueInfo.h
llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
Removed:
################################################################################
diff --git a/llvm/include/llvm/Analysis/LazyValueInfo.h b/llvm/include/llvm/Analysis/LazyValueInfo.h
index bf2fc47fa642d5..cb5fa35d299510 100644
--- a/llvm/include/llvm/Analysis/LazyValueInfo.h
+++ b/llvm/include/llvm/Analysis/LazyValueInfo.h
@@ -99,7 +99,7 @@ namespace llvm {
/// Return the ConstantRange constraint that is known to hold for the value
/// at a specific use-site.
- ConstantRange getConstantRangeAtUse(const Use &U, bool UndefAllowed = true);
+ ConstantRange getConstantRangeAtUse(const Use &U, bool UndefAllowed);
/// Determine whether the specified value is known to be a
/// constant on the specified edge. Return null if not.
diff --git a/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp b/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
index e6d8f89122ff68..d2dfc764d042bb 100644
--- a/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
+++ b/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
@@ -278,8 +278,10 @@ static bool processICmp(ICmpInst *Cmp, LazyValueInfo *LVI) {
ICmpInst::Predicate UnsignedPred =
ConstantRange::getEquivalentPredWithFlippedSignedness(
Cmp->getPredicate(),
- LVI->getConstantRangeAtUse(Cmp->getOperandUse(0)),
- LVI->getConstantRangeAtUse(Cmp->getOperandUse(1)));
+ LVI->getConstantRangeAtUse(Cmp->getOperandUse(0),
+ /*UndefAllowed*/ true),
+ LVI->getConstantRangeAtUse(Cmp->getOperandUse(1),
+ /*UndefAllowed*/ true));
if (UnsignedPred == ICmpInst::Predicate::BAD_ICMP_PREDICATE)
return false;
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