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Add debug message about non-local loads being clobbered.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73625 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Torok Edwin 2009-06-17 18:48:18 +00:00
parent 3e456abde2
commit 4306b1a329
1 changed files with 7 additions and 1 deletions
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8
lib/Transforms/Scalar/GVN.cpp
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@ -952,8 +952,14 @@ bool GVN::processNonLocalLoad(LoadInst *LI,
// If we had a phi translation failure, we'll have a single entry which is a
// clobber in the current block. Reject this early.
if (Deps.size() == 1 && Deps[0].second.isClobber())
if (Deps.size() == 1 && Deps[0].second.isClobber()) {
DEBUG(
DOUT << "GVN: non-local load ";
WriteAsOperand(*DOUT.stream(), LI);
DOUT << " is clobbered by " << *Deps[0].second.getInst();
);
return false;
}
// Filter out useless results (non-locals, etc). Keep track of the blocks
// where we have a value available in repl, also keep track of whether we see