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| author | Sanjoy Das <sanjoy@playingwithpointers.com> | 2015-09-23 01:59:04 +0000 |
|---|---|---|
| committer | Sanjoy Das <sanjoy@playingwithpointers.com> | 2015-09-23 01:59:04 +0000 |
| commit | 2aacc0eccad6e0fee98ad28d9c885791926cf004 (patch) | |
| tree | 22f89f23ae978ecfdb553c424287103c5f2eda18 /llvm/lib/Transforms/Utils/SimplifyIndVar.cpp | |
| parent | a89d178a4f15b73cc17fdd84c294946f1fa81072 (diff) | |
| download | llvm-2aacc0eccad6e0fee98ad28d9c885791926cf004.zip llvm-2aacc0eccad6e0fee98ad28d9c885791926cf004.tar.gz llvm-2aacc0eccad6e0fee98ad28d9c885791926cf004.tar.bz2 | |
[SCEV] Introduce ScalarEvolution::getOne and getZero.
Summary:
It is fairly common to call SE->getConstant(Ty, 0) or
SE->getConstant(Ty, 1); this change makes such uses a little bit
briefer.
I've refactored the call sites I could find easily to use getZero /
getOne.
Reviewers: hfinkel, majnemer, reames
Subscribers: sanjoy, llvm-commits
Differential Revision: http://reviews.llvm.org/D12947
llvm-svn: 248362
Diffstat (limited to 'llvm/lib/Transforms/Utils/SimplifyIndVar.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyIndVar.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp b/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp index 1055484..cb481c1 100644 --- a/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp @@ -253,8 +253,7 @@ void SimplifyIndvar::eliminateIVRemainder(BinaryOperator *Rem, Rem->replaceAllUsesWith(Rem->getOperand(0)); else { // (i+1) % n --> (i+1)==n?0:(i+1) if i is in [0,n). - const SCEV *LessOne = - SE->getMinusSCEV(S, SE->getConstant(S->getType(), 1)); + const SCEV *LessOne = SE->getMinusSCEV(S, SE->getOne(S->getType())); if (IsSigned && !SE->isKnownNonNegative(LessOne)) return; |