[llvm] [AMDGPU] Avoid put implicit_def into bundle that break reg's liveness (PR #142563)

[Matt Arsenault via llvm-commits]

================
@@ -151,7 +166,7 @@ void llvm::finalizeBundle(MachineBasicBlock &MBB,
       if (!Reg)
         continue;
 
-      if (LocalDefs.contains(Reg)) {
+      if (containRegOrSubReg(LocalDefs, Reg, TRI)) {
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arsenm wrote:

What is the convention here supposed to be? Below LocalDefs inserts all subregs, but then you have to look for the subregisters at the use site? It should probably be one or the other 

https://github.com/llvm/llvm-project/pull/142563