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authorGabor Greif <ggreif@gmail.com>2010-07-09 14:48:08 +0000
committerGabor Greif <ggreif@gmail.com>2010-07-09 14:48:08 +0000
commit42a16633e6d4dd0b0bb5da4aafcad429de2466c6 (patch)
treeb5c6bee6589636ff4072535a254de1c15331d04e /lib/Transforms
parent5dc4d4ead57a86fd220c552d84b7b6d72f375a9d (diff)
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cache result of operator* (found by inspection)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107971 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms')
-rw-r--r--lib/Transforms/Scalar/GVN.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp
index 8b656dc..88b6776 100644
--- a/lib/Transforms/Scalar/GVN.cpp
+++ b/lib/Transforms/Scalar/GVN.cpp
@@ -2214,8 +2214,10 @@ bool GVN::performPRE(Function &F) {
CurInst->getName() + ".pre-phi",
CurrentBlock->begin());
for (pred_iterator PI = pred_begin(CurrentBlock),
- PE = pred_end(CurrentBlock); PI != PE; ++PI)
- Phi->addIncoming(predMap[*PI], *PI);
+ PE = pred_end(CurrentBlock); PI != PE; ++PI) {
+ BasicBlock *P = *PI;
+ Phi->addIncoming(predMap[P], P);
+ }
VN.add(Phi, ValNo);
localAvail[CurrentBlock]->table[ValNo] = Phi;