[llvm] [AArch64][NFC] Remove unused TRI member from class (PR #184363)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-aarch64

Author: None (SiliconA-Z)

<details>
<summary>Changes</summary>

I’ve removed the TRI member and its initialization, leaving only MRI and TII as the stored pointers.

---
Full diff: https://github.com/llvm/llvm-project/pull/184363.diff


1 Files Affected:

- (modified) llvm/lib/Target/AArch64/AArch64DeadRegisterDefinitionsPass.cpp (-2) 


``````````diff
diff --git a/llvm/lib/Target/AArch64/AArch64DeadRegisterDefinitionsPass.cpp b/llvm/lib/Target/AArch64/AArch64DeadRegisterDefinitionsPass.cpp
index 4ff49a627c794..be4e72818364c 100644
--- a/llvm/lib/Target/AArch64/AArch64DeadRegisterDefinitionsPass.cpp
+++ b/llvm/lib/Target/AArch64/AArch64DeadRegisterDefinitionsPass.cpp
@@ -33,7 +33,6 @@ STATISTIC(NumDeadDefsReplaced, "Number of dead definitions replaced");
 namespace {
 class AArch64DeadRegisterDefinitions : public MachineFunctionPass {
 private:
-  const TargetRegisterInfo *TRI;
   const MachineRegisterInfo *MRI;
   const TargetInstrInfo *TII;
   bool Changed;
@@ -187,7 +186,6 @@ bool AArch64DeadRegisterDefinitions::runOnMachineFunction(MachineFunction &MF) {
   if (skipFunction(MF.getFunction()))
     return false;
 
-  TRI = MF.getSubtarget().getRegisterInfo();
   TII = MF.getSubtarget().getInstrInfo();
   MRI = &MF.getRegInfo();
   LLVM_DEBUG(dbgs() << "***** AArch64DeadRegisterDefinitions *****\n");

``````````

</details>


https://github.com/llvm/llvm-project/pull/184363