[llvm] [VPlan] Preserve WideIVStep wrap-flags (PR #191284)

[Florian Hahn via llvm-commits]

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@@ -180,22 +180,17 @@ void UnrollState::unrollWidenInductionByUF(
       IV->getParent()->getEnclosingLoopRegion()->getSinglePredecessor());
   Type *IVTy = TypeInfo.inferScalarType(IV);
   auto &ID = IV->getInductionDescriptor();
-  FastMathFlags FMF;
-  VPIRFlags::WrapFlagsTy WrapFlags(false, false);
-  if (auto *IntOrFPInd = dyn_cast<VPWidenIntOrFpInductionRecipe>(IV)) {
-    if (IntOrFPInd->hasFastMathFlags())
-      FMF = IntOrFPInd->getFastMathFlags();
-    if (IntOrFPInd->hasNoWrapFlags())
-      WrapFlags = IntOrFPInd->getNoWrapFlags();
-  }
+  VPIRFlags Flags;
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fhahn wrote:

```suggestion
  VPIRFlags IVFlags;
```

and can remove `AddFlags` variable below?

https://github.com/llvm/llvm-project/pull/191284