1 //===--- ToolChains.cpp - ToolChain Implementations -----------------------===//
8 //===----------------------------------------------------------------------===//
19 #include "llvm/Config/llvm-config.h"
72   // Emit unwind tables by default on Win64. All non-x86_32 Windows platforms  in IsUnwindTablesDefault()
127 /// This also supports a means to look for high-versioned keys by use
146   // If we have a $VERSION placeholder, do the highest-version search.  in getSystemRegistryString()
148     const char *keyEnd = placeHolder - 1;  in getSystemRegistryString()
152       keyEnd--;  in getSystemRegistryString()
156     size_t partialKeyLength = keyEnd - keyPath;  in getSystemRegistryString()
159       partialKeyLength = sizeof(partialKey) - 1;  in getSystemRegistryString()
168       DWORD index, size = sizeof(keyName) - 1;  in getSystemRegistryString()
181         strncpy(numBuf, sp, sizeof(numBuf) - 1);  in getSystemRegistryString()
182         numBuf[sizeof(numBuf) - 1] = '\0';  in getSystemRegistryString()
203         size = sizeof(keyName) - 1;  in getSystemRegistryString()
215         phValue->clear();  in getSystemRegistryString()
251     if (!llvm::sys::fs::is_directory(DirIt->path()))  in getWindows10SDKVersion()
253     StringRef CandidateName = llvm::sys::path::filename(DirIt->path());  in getWindows10SDKVersion()
503   const unsigned Major = (FileInfo->dwFileVersionMS >> 16) & 0xFFFF;  in getMSVCVersionFromExe()
504   const unsigned Minor = (FileInfo->dwFileVersionMS      ) & 0xFFFF;  in getMSVCVersionFromExe()
505   const unsigned Micro = (FileInfo->dwFileVersionLS >> 16) & 0xFFFF;  in getMSVCVersionFromExe()
587   // Add %INCLUDE%-like directories from the -imsvc flag.  in AddClangSystemIncludeArgs()
596     SmallVector<StringRef, 8> Dirs;  in AddClangSystemIncludeArgs()  local
598         .split(Dirs, ";", /*MaxSplit=*/-1, /*KeepEmpty=*/false);  in AddClangSystemIncludeArgs()
599     for (StringRef Dir : Dirs)  in AddClangSystemIncludeArgs()
601     if (!Dirs.empty())  in AddClangSystemIncludeArgs()
682     StringRef ObjFmt = Triple.getEnvironmentName().split('-').second;  in ComputeEffectiveClangTriple()
687           (Twine("msvc") + MSVT.getAsString() + Twine('-') + ObjFmt).str());  in ComputeEffectiveClangTriple()
701   assert(A->getOption().matches(options::OPT__SLASH_O));  in TranslateOptArg()
703   StringRef OptStr = A->getValue();  in TranslateOptArg()
752       if (I + 1 != E && OptStr[I + 1] == '-') {  in TranslateOptArg()
767       if (I + 1 != E && OptStr[I + 1] == '-') {  in TranslateOptArg()
779         // Don't warn about /Oy- in 64-bit builds (where  in TranslateOptArg()
781         // there is a compiler-internal optimization, and people shouldn't have  in TranslateOptArg()
782         // to special-case their build files for 64-bit clang-cl.  in TranslateOptArg()
783         A->claim();  in TranslateOptArg()
793   assert(A->getOption().matches(options::OPT_D));  in TranslateDArg()
795   StringRef Val = A->getValue();  in TranslateDArg()
813   // /Oy and /Oy- only has an effect under X86-32.  in TranslateArgs()
816   // The -O[12xd] flag actually expands to several flags.  We must desugar the  in TranslateArgs()
817   // flags so that options embedded can be negated.  For example, the '-O2' flag  in TranslateArgs()
818   // enables '-Oy'.  Expanding '-O2' into its constituent flags allows us to  in TranslateArgs()
819   // correctly handle '-O2 -Oy-' where the trailing '-Oy-' disables a single  in TranslateArgs()
820   // aspect of '-O2'.  in TranslateArgs()
827     if (!A->getOption().matches(options::OPT__SLASH_O))  in TranslateArgs()
829     StringRef OptStr = A->getValue();  in TranslateArgs()
832       char PrevChar = I > 0 ? OptStr[I - 1] : '0';  in TranslateArgs()
843     if (A->getOption().matches(options::OPT__SLASH_O)) {  in TranslateArgs()
844       // The -O flag actually takes an amalgam of other options.  For example,  in TranslateArgs()
847     } else if (A->getOption().matches(options::OPT_D)) {  in TranslateArgs()
848       // Translate -Dfoo#bar into -Dfoo=bar.  in TranslateArgs()
851       DAL->append(A);  in TranslateArgs()