diff options
Diffstat (limited to 'lib/Transforms/Utils/SimplifyCFG.cpp')
| -rw-r--r-- | lib/Transforms/Utils/SimplifyCFG.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp index 637fab0bf0..b8bac6da2f 100644 --- a/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/lib/Transforms/Utils/SimplifyCFG.cpp @@ -1122,14 +1122,13 @@ static bool BlockIsSimpleEnoughToThreadThrough(BasicBlock *BB) { BranchInst *BI = cast<BranchInst>(BB->getTerminator()); unsigned Size = 0; - // If this basic block contains anything other than a PHI (which controls the - // branch) and branch itself, bail out. FIXME: improve this in the future. for (BasicBlock::iterator BBI = BB->begin(); &*BBI != BI; ++BBI) { + if (isa<DbgInfoIntrinsic>(BBI)) + continue; if (Size > 10) return false; // Don't clone large BB's. - if (!isa<DbgInfoIntrinsic>(BBI)) - ++Size; + ++Size; - // We can only support instructions that are do not define values that are + // We can only support instructions that do not define values that are // live outside of the current basic block. for (Value::use_iterator UI = BBI->use_begin(), E = BBI->use_end(); UI != E; ++UI) { |