From 45c969defa9047df7b98fb5f972a0c9081d5d877 Mon Sep 17 00:00:00 2001
From: Florian Hahn <flo@fhahn.com>
Date: Tue, 1 Mar 2022 12:44:03 +0000
Subject: [PATCH] [AArch64] Remove unused argument from
 tryToFindRegisterToRename (NFC).

The MI argument is not used by the function. Remove it.
---
 llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp b/llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
index 201783d..7bcc114 100644
--- a/llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
+++ b/llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
@@ -1474,7 +1474,7 @@ canRenameUpToDef(MachineInstr &FirstMI, LiveRegUnits &UsedInBetween,
 //   rename (checked using UsedInBetween).
 // * is available in all used register classes (checked using RequiredClasses).
 static Optional<MCPhysReg> tryToFindRegisterToRename(
-    MachineInstr &FirstMI, MachineInstr &MI, LiveRegUnits &DefinedInBB,
+    MachineInstr &FirstMI, LiveRegUnits &DefinedInBB,
     LiveRegUnits &UsedInBetween,
     SmallPtrSetImpl<const TargetRegisterClass *> &RequiredClasses,
     const TargetRegisterInfo *TRI) {
@@ -1723,8 +1723,7 @@ AArch64LoadStoreOpt::findMatchingInsn(MachineBasicBlock::iterator I,
 
             if (*MaybeCanRename) {
               Optional<MCPhysReg> MaybeRenameReg = tryToFindRegisterToRename(
-                  FirstMI, MI, DefinedInBB, UsedInBetween, RequiredClasses,
-                  TRI);
+                  FirstMI, DefinedInBB, UsedInBetween, RequiredClasses, TRI);
               if (MaybeRenameReg) {
                 Flags.setRenameReg(*MaybeRenameReg);
                 Flags.setMergeForward(true);
-- 
2.7.4