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Calculate GetBestDestForJumpOnUndef correctly.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133946 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakub Staszak
2011-06-27 21:51:12 +00:00
parent df8fe9901d
commit f227b50a8e
1 changed files with 3 additions and 1 deletions
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4
lib/Transforms/Scalar/JumpThreading.cpp
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@@ -600,8 +600,10 @@ static unsigned GetBestDestForJumpOnUndef(BasicBlock *BB) {
for (unsigned i = 1, e = BBTerm->getNumSuccessors(); i != e; ++i) { for (unsigned i = 1, e = BBTerm->getNumSuccessors(); i != e; ++i) {
TestBB = BBTerm->getSuccessor(i); TestBB = BBTerm->getSuccessor(i);
unsigned NumPreds = std::distance(pred_begin(TestBB), pred_end(TestBB)); unsigned NumPreds = std::distance(pred_begin(TestBB), pred_end(TestBB));
if (NumPreds < MinNumPreds) if (NumPreds < MinNumPreds) {
MinSucc = i; MinSucc = i;
MinNumPreds = NumPreds;
}
} }
return MinSucc; return MinSucc;