[llvm] [NFC][AMDGPU] Replace direct arch comparison with `isAMDGCN()` (PR #131357)

[via llvm-commits]

github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
</summary>

``````````bash
git-clang-format --diff cbbcc3d13b7747be4587e36ddc0699587ff31904 fa677266d8dfb2c5a5583e484ef7d6f69fe64a69 --extensions cpp,h -- llvm/lib/Target/AMDGPU/AMDGPUAlwaysInlinePass.cpp llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp llvm/lib/Target/AMDGPU/AMDGPUPromoteAlloca.cpp llvm/lib/Target/AMDGPU/AMDGPUSubtarget.cpp llvm/lib/Target/AMDGPU/AMDGPUSubtarget.h llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp llvm/lib/Target/AMDGPU/GCNSubtarget.cpp llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUAsmBackend.cpp llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUMCAsmInfo.cpp llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.cpp llvm/tools/llvm-objdump/llvm-objdump.cpp
``````````

</details>

<details>
<summary>
View the diff from clang-format here.
</summary>

``````````diff
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUSubtarget.h b/llvm/lib/Target/AMDGPU/AMDGPUSubtarget.h
index eadd57750b..a71731ecf8 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUSubtarget.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPUSubtarget.h
@@ -161,9 +161,7 @@ public:
     return isAmdHsaOS() || isMesaKernel(F);
   }
 
-  bool isGCN() const {
-    return TargetTriple.isAMDGCN();
-  }
+  bool isGCN() const { return TargetTriple.isAMDGCN(); }
 
   bool isGCN3Encoding() const {
     return GCN3Encoding;

``````````

</details>


https://github.com/llvm/llvm-project/pull/131357