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llvm-mc: Support -arch as a simplified form of -triple.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98417 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2010-03-13 02:20:38 +00:00
parent 0af20d847a
commit 181ab6a854
1 changed files with 15 additions and 2 deletions
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17
tools/llvm-mc/llvm-mc.cpp
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@ -26,6 +26,7 @@
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/System/Host.h"
#include "llvm/System/Signals.h"
#include "llvm/Target/TargetAsmBackend.h"
#include "llvm/Target/TargetAsmParser.h"
@ -75,10 +76,13 @@ static cl::list<std::string>
IncludeDirs("I", cl::desc("Directory of include files"),
cl::value_desc("directory"), cl::Prefix);
static cl::opt<std::string>
ArchName("arch", cl::desc("Target arch to assemble for, "
"see -version for available targets"));
static cl::opt<std::string>
TripleName("triple", cl::desc("Target triple to assemble for, "
"see -version for available targets"),
cl::init(LLVM_HOSTTRIPLE));
"see -version for available targets"));
enum ActionType {
AC_AsLex,
@ -98,6 +102,15 @@ Action(cl::desc("Action to perform:"),
clEnumValEnd));
static const Target *GetTarget(const char *ProgName) {
// Figure out the target triple.
if (TripleName.empty())
TripleName = sys::getHostTriple();
if (!ArchName.empty()) {
llvm::Triple TT(TripleName);
TT.setArchName(ArchName);
TripleName = TT.str();
}
// Get the target specific parser.
std::string Error;
const Target *TheTarget = TargetRegistry::lookupTarget(TripleName, Error);