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Only remove the edge from entry to false if false block is merged.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37503 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2007-06-07 22:31:28 +00:00
parent 468502e41a
commit 27af5c414b
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/IfConversion.cpp
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@ -647,8 +647,8 @@ bool IfConverter::IfConvertTriangle(BBInfo &BBI) {
// Now merge the entry of the triangle with the true block.
BBI.NonPredSize -= TII->RemoveBranch(*BBI.BB);
MergeBlocks(BBI, TrueBBI);
// Remove entry to false edge.
if (BBI.BB->isSuccessor(FalseBBI.BB))
// Remove entry to false edge if false block is merged in as well.
if (FalseBBDead && BBI.BB->isSuccessor(FalseBBI.BB))
BBI.BB->removeSuccessor(FalseBBI.BB);
std::copy(BBI.BrCond.begin(), BBI.BrCond.end(),
std::back_inserter(BBI.Predicate));