https://github.com/arsenm created 
https://github.com/llvm/llvm-project/pull/157409

None

>From ac19605eb9b39362c28433d1cada25f50dbe2ebb Mon Sep 17 00:00:00 2001
From: Matt Arsenault <[email protected]>
Date: Mon, 8 Sep 2025 18:41:41 +0900
Subject: [PATCH] PPC: Use StringRef for subtarget constructor arguments

---
 llvm/lib/Target/PowerPC/PPCSubtarget.cpp | 5 ++---
 llvm/lib/Target/PowerPC/PPCSubtarget.h   | 3 +--
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp 
b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
index 5f80929e86f99..736ba1edcaea6 100644
--- a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
+++ b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
@@ -52,9 +52,8 @@ PPCSubtarget 
&PPCSubtarget::initializeSubtargetDependencies(StringRef CPU,
   return *this;
 }
 
-PPCSubtarget::PPCSubtarget(const Triple &TT, const std::string &CPU,
-                           const std::string &TuneCPU, const std::string &FS,
-                           const PPCTargetMachine &TM)
+PPCSubtarget::PPCSubtarget(const Triple &TT, StringRef CPU, StringRef TuneCPU,
+                           StringRef FS, const PPCTargetMachine &TM)
     : PPCGenSubtargetInfo(TT, CPU, TuneCPU, FS),
       IsPPC64(getTargetTriple().getArch() == Triple::ppc64 ||
               getTargetTriple().getArch() == Triple::ppc64le),
diff --git a/llvm/lib/Target/PowerPC/PPCSubtarget.h 
b/llvm/lib/Target/PowerPC/PPCSubtarget.h
index 17d9d2ab402be..c17fca7f70a3c 100644
--- a/llvm/lib/Target/PowerPC/PPCSubtarget.h
+++ b/llvm/lib/Target/PowerPC/PPCSubtarget.h
@@ -116,8 +116,7 @@ class PPCSubtarget : public PPCGenSubtargetInfo {
   /// This constructor initializes the data members to match that
   /// of the specified triple.
   ///
-  PPCSubtarget(const Triple &TT, const std::string &CPU,
-               const std::string &TuneCPU, const std::string &FS,
+  PPCSubtarget(const Triple &TT, StringRef CPU, StringRef TuneCPU, StringRef 
FS,
                const PPCTargetMachine &TM);
 
   ~PPCSubtarget() override;

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