diff options
Diffstat (limited to 'llvm/lib/Transforms/Vectorize/LoopVectorize.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Vectorize/LoopVectorize.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp index 5267a2a3f19..487a7fb72f0 100644 --- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp +++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp @@ -4526,10 +4526,10 @@ void InnerLoopVectorizer::widenPHIInstruction(Instruction *PN, unsigned UF, for (unsigned Part = 0; Part < UF; ++Part) { Value *In0 = getOrCreateVectorValue(P->getIncomingValue(In), Part); - // We might have single edge PHIs (blocks) - use an identity - // 'select' for the first PHI operand. + assert((Cond[Part] || NumIncoming == 1) && + "Multiple predecessors with one predecessor having a full mask"); if (In == 0) - Entry[Part] = Builder.CreateSelect(Cond[Part], In0, In0); + Entry[Part] = In0; // Initialize with the first incoming value. else // Select between the current value and the previous incoming edge // based on the incoming mask. |
