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| author | Artur Pilipenko <apilipenko@azulsystems.com> | 2017-05-22 12:06:57 +0000 |
|---|---|---|
| committer | Artur Pilipenko <apilipenko@azulsystems.com> | 2017-05-22 12:06:57 +0000 |
| commit | edee25152b9722441a1cc9f65014a97be5e1ee94 (patch) | |
| tree | 16741bb9bc2de9e6204d7e83b561b705edfb1168 /llvm/lib/Transforms/Scalar/LoopPredication.cpp | |
| parent | c488dfabac2702a45bac689318fa40d7426c73b0 (diff) | |
| download | bcm5719-llvm-edee25152b9722441a1cc9f65014a97be5e1ee94.tar.gz bcm5719-llvm-edee25152b9722441a1cc9f65014a97be5e1ee94.zip | |
[LoopPredication] NFC. Add extra debug output in case we fail to parse the range check
llvm-svn: 303544
Diffstat (limited to 'llvm/lib/Transforms/Scalar/LoopPredication.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopPredication.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopPredication.cpp b/llvm/lib/Transforms/Scalar/LoopPredication.cpp index e538b7070b8..32fd3da465f 100644 --- a/llvm/lib/Transforms/Scalar/LoopPredication.cpp +++ b/llvm/lib/Transforms/Scalar/LoopPredication.cpp @@ -182,8 +182,10 @@ Optional<Value *> LoopPredication::widenICmpRangeCheck(ICmpInst *ICI, DEBUG(ICI->dump()); auto RangeCheck = parseLoopICmp(ICI); - if (!RangeCheck) + if (!RangeCheck) { + DEBUG(dbgs() << "Failed to parse the loop latch condition!\n"); return None; + } ICmpInst::Predicate Pred = RangeCheck->Pred; const SCEVAddRecExpr *IndexAR = RangeCheck->IV; |
