[llvm] [SystemZ] Implement basic `isCopyInstrImpl` (PR #132903)

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git-clang-format --diff 64779455b8f4875c7de690dd4c3e324dbbcb3029 b993e8928cd07c22b90d24dc071d00e47690fe40 --extensions h,cpp -- llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp llvm/lib/Target/SystemZ/SystemZInstrInfo.h
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View the diff from clang-format here.
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diff --git a/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp b/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp
index ae9bd4b79b..1485233d80 100644
--- a/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp
@@ -2317,7 +2317,8 @@ bool SystemZInstrInfo::getConstValDefinedInReg(const MachineInstr &MI,
   return false;
 }
 
-std::optional<DestSourcePair> SystemZInstrInfo::isCopyInstrImpl(const MachineInstr &MI) const {
+std::optional<DestSourcePair>
+SystemZInstrInfo::isCopyInstrImpl(const MachineInstr &MI) const {
   // if MI is a simple single-register copy operation, return operand pair
   if (MI.isMoveReg())
     return DestSourcePair(MI.getOperand(0), MI.getOperand(1));
diff --git a/llvm/lib/Target/SystemZ/SystemZInstrInfo.h b/llvm/lib/Target/SystemZ/SystemZInstrInfo.h
index bfbfcc24d9..de607743b3 100644
--- a/llvm/lib/Target/SystemZ/SystemZInstrInfo.h
+++ b/llvm/lib/Target/SystemZ/SystemZInstrInfo.h
@@ -387,7 +387,8 @@ public:
   bool getConstValDefinedInReg(const MachineInstr &MI, const Register Reg,
                                int64_t &ImmVal) const override;
 
-  std::optional<DestSourcePair> isCopyInstrImpl(const MachineInstr &MI) const override;
+  std::optional<DestSourcePair>
+  isCopyInstrImpl(const MachineInstr &MI) const override;
 };
 
 } // end namespace llvm

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https://github.com/llvm/llvm-project/pull/132903