diff options
Diffstat (limited to 'clang/lib/Frontend/CompilerInvocation.cpp')
| -rw-r--r-- | clang/lib/Frontend/CompilerInvocation.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index 7bd91d4..f1bd3cd 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -4284,11 +4284,30 @@ bool CompilerInvocation::ParseLangArgs(LangOptions &Opts, ArgList &Args, Diags.Report(diag::err_drv_hlsl_bad_shader_unsupported) << ShaderModel << T.getOSName() << T.str(); } + // Validate that if fnative-half-type is given, that + // the language standard is at least hlsl2018, and that + // the target shader model is at least 6.2. + if (Args.getLastArg(OPT_fnative_half_type)) { + const LangStandard &Std = + LangStandard::getLangStandardForKind(Opts.LangStd); + if (!(Opts.LangStd >= LangStandard::lang_hlsl2018 && + T.getOSVersion() >= VersionTuple(6, 2))) + Diags.Report(diag::err_drv_hlsl_16bit_types_unsupported) + << "-enable-16bit-types" << true << Std.getName() + << T.getOSVersion().getAsString(); + } } else if (T.isSPIRVLogical()) { if (!T.isVulkanOS() || T.getVulkanVersion() == VersionTuple(0)) { Diags.Report(diag::err_drv_hlsl_bad_shader_unsupported) << VulkanEnv << T.getOSName() << T.str(); } + if (Args.getLastArg(OPT_fnative_half_type)) { + const LangStandard &Std = + LangStandard::getLangStandardForKind(Opts.LangStd); + if (!(Opts.LangStd >= LangStandard::lang_hlsl2018)) + Diags.Report(diag::err_drv_hlsl_16bit_types_unsupported) + << "-fnative-half-type" << false << Std.getName(); + } } else { llvm_unreachable("expected DXIL or SPIR-V target"); } |