[PATCH] D34000: [LazyValueInfo] Don't run the more complex predicate handling code for EQ and NE in getPredicateResult
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Fri Jun 9 09:16:49 PDT 2017
This revision was automatically updated to reflect the committed changes.
Closed by commit rL305086: [LazyValueInfo] Don't run the more complex predicate handling code for EQ and… (authored by ctopper).
Changed prior to commit:
https://reviews.llvm.org/D34000?vs=101763&id=102042#toc
Repository:
rL LLVM
https://reviews.llvm.org/D34000
Files:
llvm/trunk/lib/Analysis/LazyValueInfo.cpp
Index: llvm/trunk/lib/Analysis/LazyValueInfo.cpp
===================================================================
--- llvm/trunk/lib/Analysis/LazyValueInfo.cpp
+++ llvm/trunk/lib/Analysis/LazyValueInfo.cpp
@@ -1692,15 +1692,15 @@
if (CR.isSingleElement())
return LazyValueInfo::False;
+ } else {
+ // Handle more complex predicates.
+ ConstantRange TrueValues = ConstantRange::makeExactICmpRegion(
+ (ICmpInst::Predicate)Pred, CI->getValue());
+ if (TrueValues.contains(CR))
+ return LazyValueInfo::True;
+ if (TrueValues.inverse().contains(CR))
+ return LazyValueInfo::False;
}
-
- // Handle more complex predicates.
- ConstantRange TrueValues = ConstantRange::makeExactICmpRegion(
- (ICmpInst::Predicate)Pred, CI->getValue());
- if (TrueValues.contains(CR))
- return LazyValueInfo::True;
- if (TrueValues.inverse().contains(CR))
- return LazyValueInfo::False;
return LazyValueInfo::Unknown;
}
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