source/compiler-core/slang-llvm-compiler.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

// slang-llvm-compiler.cpp
#include "slang-llvm-compiler.h"

#include "../core/slang-common.h"

namespace Slang
{

/* static */SlangResult LLVMDownstreamCompilerUtil::locateCompilers(const String& path, ISlangSharedLibraryLoader* loader, DownstreamCompilerSet* set)
{
    ComPtr<ISlangSharedLibrary> library;

    SLANG_RETURN_ON_FAIL(DownstreamCompilerUtil::loadSharedLibrary(path, loader, nullptr, "slang-llvm", library));

    SLANG_ASSERT(library);
    if (!library)
    {
        return SLANG_FAIL;
    }

    typedef SlangResult(*CreateDownstreamCompilerFunc)(const Guid& intf, IDownstreamCompiler** outCompiler);

    ComPtr<IDownstreamCompiler> downstreamCompiler;

    // Only accept V4, so we can update IArtifact without breaking anything
    if (auto fnV4 = (CreateDownstreamCompilerFunc)library->findFuncByName("createLLVMDownstreamCompiler_V4"))
    {
        SLANG_RETURN_ON_FAIL(fnV4(IDownstreamCompiler::getTypeGuid(), downstreamCompiler.writeRef()));
    }
    else
    {
        return SLANG_FAIL;
    }

    set->addSharedLibrary(library);
    set->addCompiler(downstreamCompiler);
    return SLANG_OK;
}

}