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| author | Chris Lattner <sabre@nondot.org> | 2003-12-10 16:57:24 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2003-12-10 16:57:24 +0000 |
| commit | f594a03197ddd6437ca5eb3c2c61d339528e0da4 (patch) | |
| tree | dd340dea6ea140af895b87b0fbf54a7247c38d20 | |
| parent | 0ed2da9ac733c51ba004c067d3b552c1fa54613d (diff) | |
Avoid performing two identical lookups when one will suffice
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10370 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Transforms/Scalar/LICM.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/Transforms/Scalar/LICM.cpp b/lib/Transforms/Scalar/LICM.cpp index 2293c17c00..cab43bd9fe 100644 --- a/lib/Transforms/Scalar/LICM.cpp +++ b/lib/Transforms/Scalar/LICM.cpp @@ -603,9 +603,7 @@ void LICM::PromoteValuesInLoop() { const std::vector<BasicBlock*> &ExitBlocks = CurLoop->getExitBlocks(); for (unsigned i = 0, e = ExitBlocks.size(); i != e; ++i) - if (!ProcessedBlocks.count(ExitBlocks[i])) { - ProcessedBlocks.insert(ExitBlocks[i]); - + if (ProcessedBlocks.insert(ExitBlocks[i]).second) { // Copy all of the allocas into their memory locations... BasicBlock::iterator BI = ExitBlocks[i]->begin(); while (isa<PHINode>(*BI)) |