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Fix assembling MIOpen asm kernels for gfx11/gfx12 with LLVM 23
LLVM 23 enables real-true16 on gfx11/gfx12 and rejects the fake16 syntax
(e.g. v_cvt_f16_f32 v1, s32) used by the Winograd asm kernels, which comgr
assembles at runtime.
--- a/src/comgr.cpp
+++ b/src/comgr.cpp
@@ -514,6 +514,12 @@
optAsm.emplace_back("-mno-xnack");
#endif
compiler::lc::gcnasm::RemoveOptionsUnwanted(optAsm);
+ // The asm kernels use fake16 syntax, which LLVM 23 rejects in real-true16 mode.
+ if(StartsWith(target.Name(), "gfx11") || StartsWith(target.Name(), "gfx12"))
+ {
+ for(const auto* opt : {"-Xclangas", "-target-feature", "-Xclangas", "-real-true16"})
+ optAsm.emplace_back(opt);
+ }
action.SetOptionList(optAsm);
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