[llvm-commits] [llvm] r136115 - /llvm/trunk/tools/llvm-mc/llvm-mc.cpp
Evan Cheng
evan.cheng at apple.com
Tue Jul 26 12:02:16 PDT 2011
Author: evancheng
Date: Tue Jul 26 14:02:16 2011
New Revision: 136115
URL: http://llvm.org/viewvc/llvm-project?rev=136115&view=rev
Log:
Fix llvm-mc target detection code to match llc.
Modified:
llvm/trunk/tools/llvm-mc/llvm-mc.cpp
Modified: llvm/trunk/tools/llvm-mc/llvm-mc.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-mc/llvm-mc.cpp?rev=136115&r1=136114&r2=136115&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-mc/llvm-mc.cpp (original)
+++ llvm/trunk/tools/llvm-mc/llvm-mc.cpp Tue Jul 26 14:02:16 2011
@@ -170,21 +170,42 @@
// Figure out the target triple.
if (TripleName.empty())
TripleName = sys::getHostTriple();
+ Triple TheTriple(Triple::normalize(TripleName));
+
+ const Target *TheTarget = 0;
if (!ArchName.empty()) {
- llvm::Triple TT(TripleName);
- TT.setArchName(ArchName);
- TripleName = TT.str();
- }
+ for (TargetRegistry::iterator it = TargetRegistry::begin(),
+ ie = TargetRegistry::end(); it != ie; ++it) {
+ if (ArchName == it->getName()) {
+ TheTarget = &*it;
+ break;
+ }
+ }
- // Get the target specific parser.
- std::string Error;
- const Target *TheTarget = TargetRegistry::lookupTarget(TripleName, Error);
- if (TheTarget)
- return TheTarget;
+ if (!TheTarget) {
+ errs() << ProgName << ": error: invalid target '" << ArchName << "'.\n";
+ return 0;
+ }
- errs() << ProgName << ": error: unable to get target for '" << TripleName
- << "', see --version and --triple.\n";
- return 0;
+ // Adjust the triple to match (if known), otherwise stick with the
+ // module/host triple.
+ Triple::ArchType Type = Triple::getArchTypeForLLVMName(ArchName);
+ if (Type != Triple::UnknownArch)
+ TheTriple.setArch(Type);
+ } else {
+ // Get the target specific parser.
+ std::string Error;
+ TheTarget = TargetRegistry::lookupTarget(TheTriple.getTriple(), Error);
+ if (TheTarget == 0) {
+ errs() << ProgName << ": error: unable to get target for '"
+ << TheTriple.getTriple()
+ << "', see --version and --triple.\n";
+ return 0;
+ }
+ }
+
+ TripleName = TheTriple.getTriple();
+ return TheTarget;
}
static tool_output_file *GetOutputStream() {
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