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llvm: Set vendor type in LLVM target triple for more OSs.

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Annoyingly, LLVM and Clang have various checks throughout that depend on these
vendor types being set.
This commit is contained in:
Alex Rønne Petersen 2024-10-30 06:11:06 +01:00
parent f89982bf53
commit 60c0f522d9
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1 changed files with 26 additions and 6 deletions
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32
src/codegen/llvm.zig
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@ -164,14 +164,34 @@ pub fn targetTriple(allocator: Allocator, target: std.Target) ![]const u8 {
};
if (llvm_sub_arch) |sub| try llvm_triple.appendSlice(sub);
try llvm_triple.append('-');
// 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-",
try llvm_triple.appendSlice(switch (target.os.tag) {
.aix,
.zos,
=> "ibm",
.bridgeos,
.driverkit,
.ios,
.macos,
.tvos,
.visionos,
.watchos,
=> "apple",
.ps4,
.ps5,
=> "scei",
.amdhsa,
.amdpal,
=> "amd",
.cuda,
.nvcl,
=> "nvidia",
.mesa3d,
=> "mesa",
else => "unknown",
});
try llvm_triple.append('-');
const llvm_os = switch (target.os.tag) {
.freestanding => "unknown",