[llvm] [VPlan] Use VPInstructionWithType for uniform casts. (PR #140623)

[Luke Lau via llvm-commits]

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@@ -1051,7 +1054,8 @@ class VPInstructionWithType : public VPInstruction {
   VPInstructionWithType(unsigned Opcode, ArrayRef<VPValue *> Operands,
                         Type *ResultTy, const VPIRFlags &Flags, DebugLoc DL,
                         const Twine &Name = "")
-      : VPInstruction(Opcode, Operands, Flags, DL, Name), ResultTy(ResultTy) {}
+      : VPInstruction(Opcode, Operands, Flags, DL, Name, true),
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lukel97 wrote:

Does this mean that all VPInstructionWithTypes are single scalars? Is that true for WideIVSteps/StepVector?

https://github.com/llvm/llvm-project/pull/140623