[llvm] [LV][EVL] Support icmp/fcmp instruction with EVL-vectorization (PR #108533)

[Florian Hahn via llvm-commits]

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@@ -1456,38 +1456,60 @@ InstructionCost VPWidenRecipe::computeCost(ElementCount VF,
 
 void VPWidenEVLRecipe::execute(VPTransformState &State) {
   unsigned Opcode = getOpcode();
-  // TODO: Support other opcodes
-  if (!Instruction::isBinaryOp(Opcode) && !Instruction::isUnaryOp(Opcode))
-    llvm_unreachable("Unsupported opcode in VPWidenEVLRecipe::execute");
+  if (Opcode == Instruction::ICmp || Opcode == Instruction::FCmp) {
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fhahn wrote:

If possible that would be great, given that there are quite a few changes to the existing code here

https://github.com/llvm/llvm-project/pull/108533