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Switch llc and createJIT to use simpler command line parsing for -march.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75890 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar
2009-07-16 02:23:53 +00:00
parent 603bea3274
commit 1d92921691
3 changed files with 42 additions and 17 deletions
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lib/ExecutionEngine/JIT/TargetSelect.cpp
+22 -9
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@@ -7,8 +7,9 @@
//
//===----------------------------------------------------------------------===//
//
// This just asks the TargetMachineRegistry for the appropriate JIT to use, and
// allows the user to specify a specific one on the commandline with -march=x.
// This just asks the TargetRegistry for the appropriate JIT to use, and allows
// the user to specify a specific one on the commandline with -march=x. Clients
// should initialize targets prior to calling createJIT.
//
//===----------------------------------------------------------------------===//
@@ -19,12 +20,11 @@
#include "llvm/Support/Streams.h"
#include "llvm/Target/SubtargetFeature.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetMachineRegistry.h"
#include "llvm/Target/TargetRegistry.h"
using namespace llvm;
static cl::opt<const TargetMachineRegistry::entry*, false,
RegistryParser<TargetMachine> >
MArch("march", cl::desc("Architecture to generate assembly for:"));
static cl::opt<std::string>
MArch("march", cl::desc("Architecture to generate assembly for (see --version)"));
static cl::opt<std::string>
MCPU("mcpu",
@@ -45,8 +45,8 @@ ExecutionEngine *JIT::createJIT(ModuleProvider *MP, std::string *ErrorStr,
JITMemoryManager *JMM,
CodeGenOpt::Level OptLevel,
bool AllocateGVsWithCode) {
const Target *TheTarget;
if (MArch == 0) {
const Target *TheTarget = 0;
if (MArch.empty()) {
std::string Error;
TheTarget = TargetRegistry::getClosestTargetForJIT(Error);
if (TheTarget == 0) {
@@ -55,7 +55,20 @@ ExecutionEngine *JIT::createJIT(ModuleProvider *MP, std::string *ErrorStr,
return 0;
}
} else {
TheTarget = &MArch->TheTarget;
for (TargetRegistry::iterator it = TargetRegistry::begin(),
ie = TargetRegistry::end(); it != ie; ++it) {
if (MArch == it->getName()) {
TheTarget = &*it;
break;
}
}
if (TheTarget == 0) {
if (ErrorStr)
*ErrorStr = std::string("invalid target '" + MArch + "'.\n");
return 0;
}
if (TheTarget->getJITMatchQuality() == 0) {
cerr << "WARNING: This target JIT is not designed for the host you are"
<< " running. If bad things happen, please choose a different "