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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 | 48b4b852b4bb4f91a159ce146522adfe20456a3c (patch) | |
| tree | 82cecbf9f0b06c915a85174cc26e0ff3db82feac | |
| parent | edda1af35a9c33da7713009bf024fda84d9e849e (diff) | |
| download | bcm5719-llvm-48b4b852b4bb4f91a159ce146522adfe20456a3c.tar.gz bcm5719-llvm-48b4b852b4bb4f91a159ce146522adfe20456a3c.zip | |
Avoid performing two identical lookups when one will suffice
llvm-svn: 10370
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LICM.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Scalar/LICM.cpp b/llvm/lib/Transforms/Scalar/LICM.cpp index 2293c17c001..cab43bd9fe1 100644 --- a/llvm/lib/Transforms/Scalar/LICM.cpp +++ b/llvm/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)) |
