[llvm] [GlobalIsel] Combine zext of trunc (episode II) (PR #108305)

[Thorsten Schütt via llvm-commits]

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@@ -333,8 +333,10 @@ MachineInstrBuilder CSEMIRBuilder::buildConstant(const DstOp &Res,
 
   // For vectors, CSE the element only for now.
   LLT Ty = Res.getLLTTy(*getMRI());
-  if (Ty.isVector())
+  if (Ty.isFixedVector())
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tschuett wrote:

Crash in combine-with-flags.mir. Blame me.

https://github.com/llvm/llvm-project/pull/108305