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authorJay Foad <jay.foad@gmail.com>2011-03-30 11:19:20 +0000
committerJay Foad <jay.foad@gmail.com>2011-03-30 11:19:20 +0000
commitd8b4fb4aab4d6fedb2b14bed1b846451b17bde7c (patch)
treefb1299f91120b2d0bf513abc2ac6f42393fc627d /lib/Transforms/Scalar/LoopStrengthReduce.cpp
parent8be7d8b43cef4fda9dec3ce05449e3d74c25fb04 (diff)
(Almost) always call reserveOperandSpace() on newly created PHINodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128535 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/LoopStrengthReduce.cpp')
-rw-r--r--lib/Transforms/Scalar/LoopStrengthReduce.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index 1bc6f5259d..b816dd55bb 100644
--- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -1492,6 +1492,7 @@ void LSRInstance::OptimizeShadowIV() {
/* Add new PHINode. */
PHINode *NewPH = PHINode::Create(DestTy, "IV.S.", PH);
+ NewPH->reserveOperandSpace(2);
/* create new increment. '++d' in above example. */
Constant *CFP = ConstantFP::get(DestTy, C->getZExtValue());