Add assertion message

lukel97 · lukel97 · commit 6e4fd8f1bfce · 2025-03-05T18:41:59.000+08:00
diff --git a/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp b/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
@@ -744,7 +744,7 @@ InstructionCost VPInstruction::computeCost(ElementCount VF,
         Instruction::Or, cast<VectorType>(VecTy), std::nullopt, Ctx.CostKind);
   }
   case VPInstruction::FirstOrderRecurrenceSplice: {
-    assert(VF.isVector());
+    assert(VF.isVector() && "Scalar FirstOrderRecurrenceSplice?");
     SmallVector<int> Mask(VF.getKnownMinValue());
     std::iota(Mask.begin(), Mask.end(), VF.getKnownMinValue() - 1);
     Type *VectorTy =

Original file line number	Diff line number	Diff line change
`@@ -744,7 +744,7 @@ InstructionCost VPInstruction::computeCost(ElementCount VF,`
`744`	`744`	`Instruction::Or, cast<VectorType>(VecTy), std::nullopt, Ctx.CostKind);`
`745`	`745`	`}`
`746`	`746`	`case VPInstruction::FirstOrderRecurrenceSplice: {`
`747`		`- assert(VF.isVector());`
	`747`	`+ assert(VF.isVector() && "Scalar FirstOrderRecurrenceSplice?");`
`748`	`748`	`SmallVector<int> Mask(VF.getKnownMinValue());`
`749`	`749`	`std::iota(Mask.begin(), Mask.end(), VF.getKnownMinValue() - 1);`
`750`	`750`	`Type *VectorTy =`