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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 | 38b6e8382a44d300b76cfd859e220ca63f5a1fff (patch) | |
| tree | 55666d41a7ef1dfd8f2ddc35303f72860d907869 /llvm/lib/Transforms/Utils/LCSSA.cpp | |
| parent | 4d074f795a0a52e379b2dfaa89a08f720b7ac727 (diff) | |
| download | bcm5719-llvm-38b6e8382a44d300b76cfd859e220ca63f5a1fff.tar.gz bcm5719-llvm-38b6e8382a44d300b76cfd859e220ca63f5a1fff.zip | |
Add special check to avoid isLoop call. Simple, but doesn't seem to speed
up lcssa much in practice.
llvm-svn: 29465
Diffstat (limited to 'llvm/lib/Transforms/Utils/LCSSA.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LCSSA.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Utils/LCSSA.cpp b/llvm/lib/Transforms/Utils/LCSSA.cpp index 43c9678cd0b..21f93526373 100644 --- a/llvm/lib/Transforms/Utils/LCSSA.cpp +++ b/llvm/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; } |
