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| author | Torok Edwin <edwintorok@gmail.com> | 2009-06-17 18:48:18 +0000 |
|---|---|---|
| committer | Torok Edwin <edwintorok@gmail.com> | 2009-06-17 18:48:18 +0000 |
| commit | ba93ea76326a11a1400fa335d2810e19e859f3a5 (patch) | |
| tree | 731feaf7ea01fed1a63eb972867031a4c487aa7e /llvm/lib/Transforms/Scalar/GVN.cpp | |
| parent | 2d7231d4c33d6ffe5718ebd6b56aa90210b0357c (diff) | |
| download | bcm5719-llvm-ba93ea76326a11a1400fa335d2810e19e859f3a5.tar.gz bcm5719-llvm-ba93ea76326a11a1400fa335d2810e19e859f3a5.zip | |
Add debug message about non-local loads being clobbered.
llvm-svn: 73625
Diffstat (limited to 'llvm/lib/Transforms/Scalar/GVN.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/GVN.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp index 95137793f20..1e89ef7b22d 100644 --- a/llvm/lib/Transforms/Scalar/GVN.cpp +++ b/llvm/lib/Transforms/Scalar/GVN.cpp @@ -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 |
