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Add code to mangle the triple for LLVM on ARM. 

- I think we should get rid of this distinction though, but I need to discuss with the interested parties.

llvm-svn: 81435
This commit is contained in:
Daniel Dunbar 2009-09-10 06:49:20 +00:00
parent 9e5c2065c5
commit fb58b0aaa9
1 changed files with 58 additions and 4 deletions
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62
clang/lib/Driver/Tools.cpp
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@ -200,9 +200,11 @@ void Clang::AddPreprocessingOptions(const Driver &D,
options::OPT_Xpreprocessor);
}
/// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targetting.
//
// FIXME: tblgen this.
static llvm::StringRef getARMTargetCPU(const ArgList &Args) {
// FIXME: Check the relative priority of these options against gcc. Also, what
// happens if the -mcpu and -march mismatch?
// FIXME: Warn on inconsistent use of -mcpu and -march.
// If we have -mcpu=, use that.
if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
@ -252,6 +254,57 @@ static llvm::StringRef getARMTargetCPU(const ArgList &Args) {
return "arm7tdmi";
}
/// getLLVMArchNameForARM - Get the LLVM arch name to use for a particular
/// CPU.
//
// FIXME: This is redundant with -mcpu, why does LLVM use this.
// FIXME: tblgen this, or kill it!
static const char *getLLVMArchNameForARM(llvm::StringRef CPU, bool Thumb) {
if (CPU == "arm7tdmi" || CPU == "arm7tdmi-s" || CPU == "arm710t" ||
CPU == "arm720t" || CPU == "arm9" || CPU == "arm9tdmi" ||
CPU == "arm920" || CPU == "arm920t" || CPU == "arm922t" ||
CPU == "arm940t" || CPU == "ep9312")
return Thumb ? "thumbv4t" : "armv4t";
if (CPU == "arm10tdmi" || CPU == "arm1020t")
return Thumb ? "thumb5" : "armv5";
if (CPU == "arm9e" || CPU == "arm926ej-s" || CPU == "arm946e-s" ||
CPU == "arm966e-s" || CPU == "arm968e-s" || CPU == "arm10e" ||
CPU == "arm1020e" || CPU == "arm1022e" || CPU == "xscale" ||
CPU == "iwmmxt")
return Thumb ? "thumbv5e" : "armv5e";
if (CPU == "arm1136j-s" || CPU == "arm1136jf-s" || CPU == "arm1176jz-s" ||
CPU == "arm1176jzf-s" || CPU == "mpcorenovfp" || CPU == "mpcore")
return Thumb ? "thumbv6" : "armv6";
if (CPU == "arm1156t2-s" || CPU == "arm1156t2f-s")
return Thumb ? "thumbv6t2" : "armv6t2";
if (CPU == "cortex-a8" || CPU == "cortex-a9")
return Thumb ? "thumbv7" : "armv7";
return Thumb ? "thumb" : "arm";
}
/// getLLVMTriple - Get the LLVM triple to use for a particular toolchain, which
/// may depend on command line arguments.
static std::string getLLVMTriple(const ToolChain &TC, const ArgList &Args) {
switch (TC.getTriple().getArch()) {
default:
return TC.getTripleString();
case llvm::Triple::arm:
case llvm::Triple::thumb: {
llvm::Triple Triple = TC.getTriple();
Triple.setArchName(getLLVMArchNameForARM(getARMTargetCPU(Args),
/*FIXME:Thumb=*/false));
return Triple.getTriple();
}
}
}
void Clang::AddARMTargetArgs(const ArgList &Args,
ArgStringList &CmdArgs) const {
// Set the CPU based on -march= and -mcpu=.
@ -320,8 +373,9 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
assert(Inputs.size() == 1 && "Unable to handle multiple inputs.");
CmdArgs.push_back("-triple");
const char *TripleStr =
Args.MakeArgString(getToolChain().getTripleString());
Args.MakeArgString(getLLVMTriple(getToolChain(), Args));
CmdArgs.push_back(TripleStr);
if (isa<AnalyzeJobAction>(JA)) {
@ -1091,7 +1145,7 @@ void darwin::CC1::AddCC1OptionsArgs(const ArgList &Args, ArgStringList &CmdArgs,
for (ArgList::const_iterator it = Args.begin(),
ie = Args.end(); it != ie; ++it) {
const Arg *A = *it;
if (A->getOption().matches(options::OPT_f_Group) ||
if (A->getOption().matches(options::OPT_f_Group) ||
A->getOption().matches(options::OPT_fsyntax_only)) {
if (!A->getOption().matches(options::OPT_fbuiltin_strcat) &&
!A->getOption().matches(options::OPT_fbuiltin_strcpy)) {