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| author | dim <dim@FreeBSD.org> | 2012-08-15 19:34:23 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2012-08-15 19:34:23 +0000 |
| commit | 721c201bd55ffb73cb2ba8d39e0570fa38c44e15 (patch) | |
| tree | eacfc83d988e4b9d11114387ae7dc41243f2a363 /lib/Support/TargetRegistry.cpp | |
| parent | 2b2816e083a455f7a656ae88b0fd059d1688bb36 (diff) | |
| download | FreeBSD-src-721c201bd55ffb73cb2ba8d39e0570fa38c44e15.zip FreeBSD-src-721c201bd55ffb73cb2ba8d39e0570fa38c44e15.tar.gz | |
Vendor import of llvm trunk r161861:
http://llvm.org/svn/llvm-project/llvm/trunk@161861
Diffstat (limited to 'lib/Support/TargetRegistry.cpp')
| -rw-r--r-- | lib/Support/TargetRegistry.cpp | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/lib/Support/TargetRegistry.cpp b/lib/Support/TargetRegistry.cpp index 53c8d84..9c81327 100644 --- a/lib/Support/TargetRegistry.cpp +++ b/lib/Support/TargetRegistry.cpp @@ -23,6 +23,47 @@ TargetRegistry::iterator TargetRegistry::begin() { return iterator(FirstTarget); } +const Target *TargetRegistry::lookupTarget(const std::string &ArchName, + Triple &TheTriple, + std::string &Error) { + // Allocate target machine. First, check whether the user has explicitly + // specified an architecture to compile for. If so we have to look it up by + // name, because it might be a backend that has no mapping to a target triple. + const Target *TheTarget = 0; + if (!ArchName.empty()) { + for (TargetRegistry::iterator it = TargetRegistry::begin(), + ie = TargetRegistry::end(); it != ie; ++it) { + if (ArchName == it->getName()) { + TheTarget = &*it; + break; + } + } + + if (!TheTarget) { + Error = "error: invalid target '" + ArchName + "'.\n"; + return 0; + } + + // Adjust the triple to match (if known), otherwise stick with the + // given triple. + Triple::ArchType Type = Triple::getArchTypeForLLVMName(ArchName); + if (Type != Triple::UnknownArch) + TheTriple.setArch(Type); + } else { + // Get the target specific parser. + std::string TempError; + TheTarget = TargetRegistry::lookupTarget(TheTriple.getTriple(), TempError); + if (TheTarget == 0) { + Error = ": error: unable to get target for '" + + TheTriple.getTriple() + + "', see --version and --triple.\n"; + return 0; + } + } + + return TheTarget; +} + const Target *TargetRegistry::lookupTarget(const std::string &TT, std::string &Error) { // Provide special warning when no targets are initialized. |
