[llvm] [MCA] Parameterize variant scheduling classes by explicit variable (PR #92849)

[Michael Maitland via llvm-commits]

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@@ -72,8 +72,7 @@ class InstrBuilder {
       Descriptors;
 
   // Key is the MCIInst and SchedClassID the describe the value InstrDesc
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michaelmaitland wrote:

Key is no longer the `MCInst`

https://github.com/llvm/llvm-project/pull/92849