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Do not filter loop if candidate branch is in loop header.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37792 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2007-06-29 01:39:53 +00:00
parent 2c02c0ff30
commit 6c631988c7
1 changed files with 0 additions and 2 deletions
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2
lib/Transforms/Scalar/LoopUnswitch.cpp
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@ -166,8 +166,6 @@ bool LoopUnswitch::runOnLoop(Loop *L, LPPassManager &LPM_Ref) {
// loop. // loop.
for (Loop::block_iterator I = L->block_begin(), E = L->block_end(); for (Loop::block_iterator I = L->block_begin(), E = L->block_end();
I != E; ++I) { I != E; ++I) {
if (*I == L->getHeader())
continue;
TerminatorInst *TI = (*I)->getTerminator(); TerminatorInst *TI = (*I)->getTerminator();
if (BranchInst *BI = dyn_cast<BranchInst>(TI)) { if (BranchInst *BI = dyn_cast<BranchInst>(TI)) {
// If this isn't branching on an invariant condition, we can't unswitch // If this isn't branching on an invariant condition, we can't unswitch