diff options
Diffstat (limited to 'lib/Transforms/Vectorize')
-rw-r--r-- | lib/Transforms/Vectorize/LoopVectorize.cpp | 5 | ||||
-rw-r--r-- | lib/Transforms/Vectorize/SLPVectorizer.cpp | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp index 1d82c7b8f5..30908c8ebf 100644 --- a/lib/Transforms/Vectorize/LoopVectorize.cpp +++ b/lib/Transforms/Vectorize/LoopVectorize.cpp @@ -909,6 +909,11 @@ struct LoopVectorize : public LoopPass { DT = &getAnalysis<DominatorTree>(); TLI = getAnalysisIfAvailable<TargetLibraryInfo>(); + // If the target claims to have no vector registers don't attempt + // vectorization. + if (!TTI->getNumberOfRegisters(true)) + return false; + if (DL == NULL) { DEBUG(dbgs() << "LV: Not vectorizing because of missing data layout"); return false; diff --git a/lib/Transforms/Vectorize/SLPVectorizer.cpp b/lib/Transforms/Vectorize/SLPVectorizer.cpp index b287ca7c8d..cd3f723cd3 100644 --- a/lib/Transforms/Vectorize/SLPVectorizer.cpp +++ b/lib/Transforms/Vectorize/SLPVectorizer.cpp @@ -1572,6 +1572,11 @@ struct SLPVectorizer : public FunctionPass { StoreRefs.clear(); bool Changed = false; + // If the target claims to have no vector registers don't attempt + // vectorization. + if (!TTI->getNumberOfRegisters(true)) + return false; + // Must have DataLayout. We can't require it because some tests run w/o // triple. if (!DL) |