[llvm] [MCP] Use MCRegUnit as the key type of CopyTracker::Copies map. NFC. (PR #98277)

[Kai Luo via llvm-commits]

https://github.com/bzEq updated https://github.com/llvm/llvm-project/pull/98277

>From 3b607c0fb584b5bfd53c3b2822157b7521b30d80 Mon Sep 17 00:00:00 2001
From: Kai Luo <lkail at cn.ibm.com>
Date: Wed, 10 Jul 2024 14:52:18 +0800
Subject: [PATCH 1/2] [MCP] Use MCRegUnit as the key type of
 CopyTracker::Copies map. NFC.

---
 llvm/lib/CodeGen/MachineCopyPropagation.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/CodeGen/MachineCopyPropagation.cpp b/llvm/lib/CodeGen/MachineCopyPropagation.cpp
index bdc17e99d1fb0..6adec4adf6c2d 100644
--- a/llvm/lib/CodeGen/MachineCopyPropagation.cpp
+++ b/llvm/lib/CodeGen/MachineCopyPropagation.cpp
@@ -112,7 +112,7 @@ class CopyTracker {
     bool Avail;
   };
 
-  DenseMap<MCRegister, CopyInfo> Copies;
+  DenseMap<MCRegUnit, CopyInfo> Copies;
 
 public:
   /// Mark all of the given registers and their subregisters as unavailable for

>From a875171ece1af119d9f84f8b0c476c12b1eeee32 Mon Sep 17 00:00:00 2001
From: Kai Luo <lkail at cn.ibm.com>
Date: Wed, 10 Jul 2024 15:03:52 +0800
Subject: [PATCH 2/2] More

---
 llvm/lib/CodeGen/MachineCopyPropagation.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/CodeGen/MachineCopyPropagation.cpp b/llvm/lib/CodeGen/MachineCopyPropagation.cpp
index 6adec4adf6c2d..b34e0939d1c7c 100644
--- a/llvm/lib/CodeGen/MachineCopyPropagation.cpp
+++ b/llvm/lib/CodeGen/MachineCopyPropagation.cpp
@@ -65,6 +65,7 @@
 #include "llvm/CodeGen/TargetRegisterInfo.h"
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
 #include "llvm/InitializePasses.h"
+#include "llvm/MC/MCRegister.h"
 #include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/Debug.h"
@@ -251,7 +252,7 @@ class CopyTracker {
     return !Copies.empty();
   }
 
-  MachineInstr *findCopyForUnit(MCRegister RegUnit,
+  MachineInstr *findCopyForUnit(MCRegUnit RegUnit,
                                 const TargetRegisterInfo &TRI,
                                 bool MustBeAvailable = false) {
     auto CI = Copies.find(RegUnit);
@@ -262,7 +263,7 @@ class CopyTracker {
     return CI->second.MI;
   }
 
-  MachineInstr *findCopyDefViaUnit(MCRegister RegUnit,
+  MachineInstr *findCopyDefViaUnit(MCRegUnit RegUnit,
                                    const TargetRegisterInfo &TRI) {
     auto CI = Copies.find(RegUnit);
     if (CI == Copies.end())