Use CreateStep

lukel97 · lukel97 · commit 4fed4aaf51d9 · 2024-11-14T15:44:15.000+09:00
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -2490,9 +2490,8 @@ void InnerLoopVectorizer::emitIterationCountCheck(BasicBlock *Bypass) {
         ConstantInt::get(CountTy, cast<IntegerType>(CountTy)->getMask());
     Value *LHS = Builder.CreateSub(MaxUIntTripCount, Count);
 
-    Value *Step = CreateStep();
     // Don't execute the vector loop if (UMax - n) < (VF * UF).
-    CheckMinIters = Builder.CreateICmp(ICmpInst::ICMP_ULT, LHS, Step);
+    CheckMinIters = Builder.CreateICmp(ICmpInst::ICMP_ULT, LHS, CreateStep());
   }
 
   // Create new preheader for vector loop.

Original file line number	Diff line number	Diff line change
`@@ -2490,9 +2490,8 @@ void InnerLoopVectorizer::emitIterationCountCheck(BasicBlock *Bypass) {`
`2490`	`2490`	`ConstantInt::get(CountTy, cast<IntegerType>(CountTy)->getMask());`
`2491`	`2491`	`Value *LHS = Builder.CreateSub(MaxUIntTripCount, Count);`
`2492`	`2492`
`2493`		`- Value *Step = CreateStep();`
`2494`	`2493`	`// Don't execute the vector loop if (UMax - n) < (VF * UF).`
`2495`		`- CheckMinIters = Builder.CreateICmp(ICmpInst::ICMP_ULT, LHS, Step);`
	`2494`	`+ CheckMinIters = Builder.CreateICmp(ICmpInst::ICMP_ULT, LHS, CreateStep());`
`2496`	`2495`	`}`
`2497`	`2496`
`2498`	`2497`	`// Create new preheader for vector loop.`