[llvm] AMDGPU: Stop copying triple into AMDGPUSubtarget (PR #184147)

[Matt Arsenault via llvm-commits]

https://github.com/arsenm created https://github.com/llvm/llvm-project/pull/184147

Really the triple doesn't belong here at all.

>From 86a721f8577a236e809675d3b4bdb8a8022d445e Mon Sep 17 00:00:00 2001
From: Matt Arsenault <Matthew.Arsenault at amd.com>
Date: Mon, 2 Mar 2026 15:20:58 +0100
Subject: [PATCH] AMDGPU: Stop copying triple into AMDGPUSubtarget

Really the triple doesn't belong here at all.
---
 llvm/lib/Target/AMDGPU/AMDGPUSubtarget.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/Target/AMDGPU/AMDGPUSubtarget.h b/llvm/lib/Target/AMDGPU/AMDGPUSubtarget.h
index 302fe7c850b75..4e1e54da5f4a9 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUSubtarget.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPUSubtarget.h
@@ -46,7 +46,7 @@ class AMDGPUSubtarget {
   };
 
 private:
-  Triple TargetTriple;
+  const Triple &TargetTriple;
 
 protected:
   bool HasMulI24 = true;
@@ -61,7 +61,7 @@ class AMDGPUSubtarget {
   char WavefrontSizeLog2 = 0;
 
 public:
-  AMDGPUSubtarget(Triple TT) : TargetTriple(std::move(TT)) {}
+  AMDGPUSubtarget(const Triple &TT) : TargetTriple(TT) {}
 
   static const AMDGPUSubtarget &get(const MachineFunction &MF);
   static const AMDGPUSubtarget &get(const TargetMachine &TM,