diff options
Diffstat (limited to 'llvm/lib/Transforms/Vectorize')
| -rw-r--r-- | llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp index 6f5d2a6e00f..b494526369d 100644 --- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp +++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp @@ -173,6 +173,11 @@ static unsigned getAltOpcode(unsigned Op) { } } +/// true if the \p Value is odd, false otherwise. +static bool isOdd(unsigned Value) { + return Value & 1; +} + ///\returns bool representing if Opcode \p Op can be part /// of an alternate sequence which can later be merged as /// a ShuffleVector instruction. @@ -190,7 +195,7 @@ static unsigned isAltInst(ArrayRef<Value *> VL) { unsigned AltOpcode = getAltOpcode(Opcode); for (int i = 1, e = VL.size(); i < e; i++) { Instruction *I = dyn_cast<Instruction>(VL[i]); - if (!I || I->getOpcode() != ((i & 1) ? AltOpcode : Opcode)) + if (!I || I->getOpcode() != (isOdd(i) ? AltOpcode : Opcode)) return 0; } return Instruction::ShuffleVector; @@ -2820,7 +2825,7 @@ Value *BoUpSLP::vectorizeTree(TreeEntry *E) { unsigned e = E->Scalars.size(); SmallVector<Constant *, 8> Mask(e); for (unsigned i = 0; i < e; ++i) { - if (i & 1) { + if (isOdd(i)) { Mask[i] = Builder.getInt32(e + i); OddScalars.push_back(E->Scalars[i]); } else { |
