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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2008-12-05 19:38:49 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2008-12-05 19:38:49 +0000 |
| commit | 2e8710c3c867be8b39429c3d17da0672e8af76e6 (patch) | |
| tree | bdb13a76fede907119a10a491d4dd62eb8673120 /lib | |
| parent | ef730a8dba7e174ed5b10be7eb5ae0044ad361f5 (diff) | |
| download | external_llvm-2e8710c3c867be8b39429c3d17da0672e8af76e6.zip external_llvm-2e8710c3c867be8b39429c3d17da0672e8af76e6.tar.gz external_llvm-2e8710c3c867be8b39429c3d17da0672e8af76e6.tar.bz2 | |
Revert invalid r60393. It causes llvm-gcc bootstrap fails in release builds.
See PR3160 for details
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60604 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Transforms/Scalar/GVN.cpp | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp index 385de02..6e0296d 100644 --- a/lib/Transforms/Scalar/GVN.cpp +++ b/lib/Transforms/Scalar/GVN.cpp @@ -1484,7 +1484,6 @@ bool GVN::performPRE(Function& F) { if (isCriticalEdge(PREPred->getTerminator(), succNum)) { toSplit.push_back(std::make_pair(PREPred->getTerminator(), succNum)); - Changed = true; continue; } @@ -1547,14 +1546,10 @@ bool GVN::performPRE(Function& F) { } for (SmallVector<std::pair<TerminatorInst*, unsigned>, 4>::iterator - I = toSplit.begin(), E = toSplit.end(); I != E; ++I) { + I = toSplit.begin(), E = toSplit.end(); I != E; ++I) SplitCriticalEdge(I->first, I->second, this); - BasicBlock* NewBlock = I->first->getSuccessor(I->second); - localAvail[NewBlock] = - new ValueNumberScope(localAvail[I->first->getParent()]); - } - return Changed; + return Changed || toSplit.size(); } // iterateOnFunction - Executes one iteration of GVN |