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Introduce APInt::isSignBitSet/isSignBitClear. Use in place isSignBitSet in place...
authorCraig Topper <craig.topper@gmail.com>
Mon, 17 Apr 2017 16:38:20 +0000 (16:38 +0000)
committerCraig Topper <craig.topper@gmail.com>
Mon, 17 Apr 2017 16:38:20 +0000 (16:38 +0000)
commitf1a890db2851f786e1cc918ce8a8d1bb6e70d88c
tree3a68c9d6454eff12aed0ce701826b3f6d303499a
parent6d01b814853715258e14b6f5553145356eea01d9
Introduce APInt::isSignBitSet/isSignBitClear. Use in place isSignBitSet in place of isNegative in known bits tracking.

This makes statements like KnownZero.isNegative() (which means the value we're tracking is positive) less confusing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@300457 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/ADT/APInt.h
lib/Analysis/ValueTracking.cpp
lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp