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Simplify loop that worked around bugs in old GCC/Xcode.

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GCC 4.0.1 and Xcode 2 are no longer supported for building llvm/clang.

llvm-svn: 204705
This commit is contained in:
Erik Verbruggen 2014-03-25 09:06:18 +00:00
parent 6478416f74
commit c09405ef17
1 changed files with 2 additions and 8 deletions
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10
lib/Analysis/CFG.cpp
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@ -101,15 +101,9 @@ bool llvm::isCriticalEdge(const TerminatorInst *TI, unsigned SuccNum,
// If AllowIdenticalEdges is true, then we allow this edge to be considered
// non-critical iff all preds come from TI's block.
while (I != E) {
const BasicBlock *P = *I;
if (P != FirstPred)
for (; I != E; ++I)
if (*I != FirstPred)
return true;
// Note: leave this as is until no one ever compiles with either gcc 4.0.1
// or Xcode 2. This seems to work around the pred_iterator assert in PR 2207
E = pred_end(P);
++I;
}
return false;
}