RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2024-11-28 22:20:43 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

When users ask for -mcpu=help or -mattr=help, just output the help without

Browse Source 
requiring a module.  Original patch by Sunay Ismail, simplified by Arnaud
de Grandmaison, then complicated by me (if a triple was specified on the
command line, output help for that triple, not for the default).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159268 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands 2012-06-27 16:23:48 +00:00
parent 2d5f8ca3d1
commit f6ce8ea20c
1 changed files with 23 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
tools/llc/llc.cpp
View File

@ -365,20 +365,29 @@ int main(int argc, char **argv) {
// Load the module to be compiled...
SMDiagnostic Err;
std::auto_ptr<Module> M;
Module *mod = 0;
Triple TheTriple;
M.reset(ParseIRFile(InputFilename, Err, Context));
if (M.get() == 0) {
Err.print(argv[0], errs());
return 1;
bool SkipModule = MCPU == "help" ||
(!MAttrs.empty() && MAttrs.front() == "help");
// If user just wants to list available options, skip module loading
if (!SkipModule) {
M.reset(ParseIRFile(InputFilename, Err, Context));
mod = M.get();
if (mod == 0) {
Err.print(argv[0], errs());
return 1;
}
// If we are supposed to override the target triple, do so now.
if (!TargetTriple.empty())
mod->setTargetTriple(Triple::normalize(TargetTriple));
TheTriple = Triple(mod->getTargetTriple());
} else {
TheTriple = Triple(Triple::normalize(TargetTriple));
}
Module &mod = *M.get();
// If we are supposed to override the target triple, do so now.
if (!TargetTriple.empty())
mod.setTargetTriple(Triple::normalize(TargetTriple));
// Figure out the target triple.
Triple TheTriple(mod.getTargetTriple());
if (TheTriple.getTriple().empty())
TheTriple.setTriple(sys::getDefaultTargetTriple());
@ -441,6 +450,7 @@ int main(int argc, char **argv) {
MCPU, FeaturesStr, Options,
RelocModel, CMModel, OLvl));
assert(target.get() && "Could not allocate target machine!");
assert(mod && "Should have exited after outputting help!");
TargetMachine &Target = *target.get();
if (DisableDotLoc)
@ -472,7 +482,7 @@ int main(int argc, char **argv) {
if (const TargetData *TD = Target.getTargetData())
PM.add(new TargetData(*TD));
else
PM.add(new TargetData(&mod));
PM.add(new TargetData(mod));
// Override default to generate verbose assembly.
Target.setAsmVerbosityDefault(true);
@ -498,7 +508,7 @@ int main(int argc, char **argv) {
// Before executing passes, print the final values of the LLVM options.
cl::PrintOptionValues();
PM.run(mod);
PM.run(*mod);
}
// Declare success.