[llvm] [VPlan] Remove ResumePhi opcode, use regular PHI instead (NFC). (PR #140405)

[Florian Hahn via llvm-commits]

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@@ -1095,11 +1079,19 @@ void VPInstructionWithType::print(raw_ostream &O, const Twine &Indent,
 
 void VPPhi::execute(VPTransformState &State) {
   State.setDebugLocFrom(getDebugLoc());
-  BasicBlock *VectorPH = State.CFG.VPBB2IRBB.at(getIncomingBlock(0));
-  Value *Start = State.get(getIncomingValue(0), VPLane(0));
-  PHINode *Phi = State.Builder.CreatePHI(Start->getType(), 2, getName());
-  Phi->addIncoming(Start, VectorPH);
-  State.set(this, Phi, VPLane(0));
+  PHINode *NewPhi = State.Builder.CreatePHI(
+      State.TypeAnalysis.inferScalarType(this), 2, getName());
+  // TODO: Fixup incoming values once other recipes are enabled.
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fhahn wrote:

Update, although the case which needs fixing up later are the phis in the header blocks, for which the latch value has not yet been generated; the phis in the scalar preheader will only execute once all incoming values have been generated.

https://github.com/llvm/llvm-project/pull/140405