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| author | Chris Lattner <sabre@nondot.org> | 2006-08-02 00:16:47 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-08-02 00:16:47 +0000 |
| commit | f9ba401bf5eddc5ca6282766682116e922f092d7 (patch) | |
| tree | be258711a0cc784007055e8a71029519c1cf8908 /lib/Transforms/Utils/LCSSA.cpp | |
| parent | 880ddb018a4bdcff00d35f28988d9eddb557b8e6 (diff) | |
| download | external_llvm-f9ba401bf5eddc5ca6282766682116e922f092d7.zip external_llvm-f9ba401bf5eddc5ca6282766682116e922f092d7.tar.gz external_llvm-f9ba401bf5eddc5ca6282766682116e922f092d7.tar.bz2 | |
Add special check to avoid isLoop call. Simple, but doesn't seem to speed
up lcssa much in practice.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29465 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/LCSSA.cpp')
| -rw-r--r-- | lib/Transforms/Utils/LCSSA.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Transforms/Utils/LCSSA.cpp b/lib/Transforms/Utils/LCSSA.cpp index 43c9678..21f9352 100644 --- a/lib/Transforms/Utils/LCSSA.cpp +++ b/lib/Transforms/Utils/LCSSA.cpp @@ -177,7 +177,7 @@ void LCSSA::ProcessInstruction(Instruction *Instr, } // If the user is in the loop, don't rewrite it! - if (inLoop(UserBB)) { + if (UserBB == Instr->getParent() || inLoop(UserBB)) { ++UI; continue; } @@ -215,7 +215,7 @@ SetVector<Instruction*> LCSSA::getLoopValuesUsedOutsideLoop(Loop *L) { UserBB = p->getIncomingBlock(OperandNo/2); } - if (!inLoop(UserBB)) { + if (*BB != UserBB && !inLoop(UserBB)) { AffectedValues.insert(I); break; } |