[llvm] [CodeGen][NVPTX][WebAssembly] Add copyReg interface to TargetInstrInfo that takes Register instead of MCRegister. (PR #128456)

[Matt Arsenault via llvm-commits]

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@@ -1040,6 +1040,16 @@ class TargetInstrInfo : public MCInstrInfo {
                            bool RenamableSrc = false) const {
     llvm_unreachable("Target didn't implement TargetInstrInfo::copyPhysReg!");
   }
+  // Similar to copycopyPhysReg, but for targets that don't do register
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arsenm wrote:

copycopy

https://github.com/llvm/llvm-project/pull/128456