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llvm: Set vendor tag in target triple for GPU backends.

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Alex Rønne Petersen 2024-08-07 21:26:59 +02:00
parent f9f8942008
commit c11b997662
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1 changed files with 8 additions and 1 deletions
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9
src/codegen/llvm.zig
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@ -89,7 +89,14 @@ pub fn targetTriple(allocator: Allocator, target: std.Target) ![]const u8 {
.spu_2 => return error.@"LLVM backend does not support SPU Mark II",
};
try llvm_triple.appendSlice(llvm_arch);
try llvm_triple.appendSlice("-unknown-");
// Unlike CPU backends, GPU backends actually care about the vendor tag.
try llvm_triple.appendSlice(switch (target.cpu.arch) {
.amdgcn => if (target.os.tag == .mesa3d) "-mesa-" else "-amd-",
.nvptx, .nvptx64 => "-nvidia-",
.spirv64 => if (target.os.tag == .amdhsa) "-amd-" else "-unknown-",
else => "-unknown-",
});
const llvm_os = switch (target.os.tag) {
.freestanding => "unknown",