[llvm] AMDGPU: Remove triple field from subtarget (PR #164208)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: Matt Arsenault (arsenm)

<details>
<summary>Changes</summary>

This is redundant and already exists in the base class, and
is also unused.

---
Full diff: https://github.com/llvm/llvm-project/pull/164208.diff


2 Files Affected:

- (modified) llvm/lib/Target/AMDGPU/GCNSubtarget.cpp (-1) 
- (modified) llvm/lib/Target/AMDGPU/GCNSubtarget.h (-1) 


``````````diff
diff --git a/llvm/lib/Target/AMDGPU/GCNSubtarget.cpp b/llvm/lib/Target/AMDGPU/GCNSubtarget.cpp
index f291e373a470d..c8bbcbbd76928 100644
--- a/llvm/lib/Target/AMDGPU/GCNSubtarget.cpp
+++ b/llvm/lib/Target/AMDGPU/GCNSubtarget.cpp
@@ -169,7 +169,6 @@ GCNSubtarget::GCNSubtarget(const Triple &TT, StringRef GPU, StringRef FS,
     : // clang-format off
     AMDGPUGenSubtargetInfo(TT, GPU, /*TuneCPU*/ GPU, FS),
     AMDGPUSubtarget(TT),
-    TargetTriple(TT),
     TargetID(*this),
     InstrItins(getInstrItineraryForCPU(GPU)),
     InstrInfo(initializeSubtargetDependencies(TT, GPU, FS)),
diff --git a/llvm/lib/Target/AMDGPU/GCNSubtarget.h b/llvm/lib/Target/AMDGPU/GCNSubtarget.h
index c2e6078bcc61a..a46678081b51c 100644
--- a/llvm/lib/Target/AMDGPU/GCNSubtarget.h
+++ b/llvm/lib/Target/AMDGPU/GCNSubtarget.h
@@ -60,7 +60,6 @@ class GCNSubtarget final : public AMDGPUGenSubtargetInfo,
 
 protected:
   // Basic subtarget description.
-  Triple TargetTriple;
   AMDGPU::IsaInfo::AMDGPUTargetID TargetID;
   unsigned Gen = INVALID;
   InstrItineraryData InstrItins;

``````````

</details>


https://github.com/llvm/llvm-project/pull/164208