[llvm-branch-commits] [llvm] [AMDGPU][MC] Replace shifted registers in CFI instructions (PR #164726)

[Matt Arsenault via llvm-branch-commits]

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@@ -1234,6 +1234,10 @@ class LLVM_ABI MachineFunction {
 
   [[nodiscard]] unsigned addFrameInst(const MCCFIInstruction &Inst);
 
+  /// Replace all references to register \param From with register \param To in
+  /// frame instructions. Note that .cfi_escape instructions will be left as-is.
+  void replaceFrameInstRegister(Register From, Register To);
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arsenm wrote:

Assuming these are physical registers, should use MCRegister 

https://github.com/llvm/llvm-project/pull/164726