!fixup Use VFxStep in additional place.

fhahn · fhahn · commit d34f0bfa7cc3 · 2025-08-14T18:24:43.000+01:00
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -829,8 +829,7 @@ Value *createStepForVF(IRBuilderBase &B, Type *Ty, ElementCount VF,
   if (VF.isScalable() && isPowerOf2_64(Step)) {
     return B.CreateShl(
         B.CreateVScale(Ty),
-        ConstantInt::get(Ty, Log2_64((VF * Step).getKnownMinValue())), "",
-        true);
+        ConstantInt::get(Ty, Log2_64(VFxStep.getKnownMinValue())), "", true);
   }
   return B.CreateElementCount(Ty, VFxStep);
 }

Original file line number	Diff line number	Diff line change
`@@ -829,8 +829,7 @@ Value createStepForVF(IRBuilderBase &B, Type Ty, ElementCount VF,`
`829`	`829`	`if (VF.isScalable() && isPowerOf2_64(Step)) {`
`830`	`830`	`return B.CreateShl(`
`831`	`831`	`B.CreateVScale(Ty),`
`832`		`- ConstantInt::get(Ty, Log2_64((VF * Step).getKnownMinValue())), "",`
`833`		`- true);`
	`832`	`+ ConstantInt::get(Ty, Log2_64(VFxStep.getKnownMinValue())), "", true);`
`834`	`833`	`}`
`835`	`834`	`return B.CreateElementCount(Ty, VFxStep);`
`836`	`835`	`}`