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[AMD] Reland "Add gfx950 target definitions" (#5392)
This relands triton-lang/triton#5392 to enable new arch target since backend support has been added--it doesn't depend on the reverted LLVM upgrade in triton-lang/triton#5341; basic necessary enablement is already included in the current llvm version we're using.
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-1
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third_party/amd/backend/include/hsa/amd_hsa_elf.h

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@@ -136,7 +136,7 @@ enum : unsigned {
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EF_AMDGPU_MACH_AMDGCN_GFX942 = 0x04c,
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EF_AMDGPU_MACH_AMDGCN_RESERVED_0X4D = 0x04d,
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EF_AMDGPU_MACH_AMDGCN_GFX1201 = 0x04e,
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EF_AMDGPU_MACH_AMDGCN_RESERVED_0X4F = 0x04f,
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EF_AMDGPU_MACH_AMDGCN_GFX950 = 0x04f,
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EF_AMDGPU_MACH_AMDGCN_RESERVED_0X50 = 0x050,
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EF_AMDGPU_MACH_AMDGCN_GFX9_GENERIC = 0x051,
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EF_AMDGPU_MACH_AMDGCN_GFX10_1_GENERIC = 0x052,

third_party/amd/lib/TritonAMDGPUToLLVM/TargetUtils.cpp

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@@ -11,6 +11,7 @@ ISAFamily deduceISAFamily(llvm::StringRef arch) {
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// CDNA ISA cases
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switch (kind) {
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case llvm::AMDGPU::GK_GFX950:
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case llvm::AMDGPU::GK_GFX942:
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case llvm::AMDGPU::GK_GFX941:
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case llvm::AMDGPU::GK_GFX940:

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