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authorSanjoy Das <sanjoy@playingwithpointers.com>2015-09-23 01:59:04 +0000
committerSanjoy Das <sanjoy@playingwithpointers.com>2015-09-23 01:59:04 +0000
commit2aacc0eccad6e0fee98ad28d9c885791926cf004 (patch)
tree22f89f23ae978ecfdb553c424287103c5f2eda18 /llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
parenta89d178a4f15b73cc17fdd84c294946f1fa81072 (diff)
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[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/Scalar/IndVarSimplify.cpp')
-rw-r--r--llvm/lib/Transforms/Scalar/IndVarSimplify.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
index 54b6694..2f295fe 100644
--- a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -1796,7 +1796,7 @@ LinearFunctionTestReplace(Loop *L,
// This addition may overflow, which is valid as long as the comparison is
// truncated to BackedgeTakenCount->getType().
IVCount = SE->getAddExpr(BackedgeTakenCount,
- SE->getConstant(BackedgeTakenCount->getType(), 1));
+ SE->getOne(BackedgeTakenCount->getType()));
// The BackedgeTaken expression contains the number of times that the
// backedge branches to the loop header. This is one less than the
// number of times the loop executes, so use the incremented indvar.