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Move ABI handling and 64-bitness to the PowerPC target machine.

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This required changing how the computation of the ABI is handled
and how some of the checks for ABI/target are done.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229471 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2015-02-17 06:45:15 +00:00
parent cdc4c07360
commit fb031eee53
6 changed files with 46 additions and 36 deletions
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25
lib/Target/PowerPC/PPCTargetMachine.cpp
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@@ -123,6 +123,30 @@ static std::unique_ptr<TargetLoweringObjectFile> createTLOF(const Triple &TT) {
return make_unique<PPC64LinuxTargetObjectFile>();
}
static PPCTargetMachine::PPCABI computeTargetABI(const Triple &TT,
const TargetOptions &Options) {
if (Options.MCOptions.getABIName().startswith("elfv1"))
return PPCTargetMachine::PPC_ABI_ELFv1;
else if (Options.MCOptions.getABIName().startswith("elfv2"))
return PPCTargetMachine::PPC_ABI_ELFv2;
assert(Options.MCOptions.getABIName().empty() &&
"Unknown target-abi option!");
if (!TT.isMacOSX()) {
switch (TT.getArch()) {
case Triple::ppc64le:
return PPCTargetMachine::PPC_ABI_ELFv2;
case Triple::ppc64:
return PPCTargetMachine::PPC_ABI_ELFv1;
default:
// Fallthrough.
;
}
}
return PPCTargetMachine::PPC_ABI_UNKNOWN;
}
// The FeatureString here is a little subtle. We are modifying the feature string
// with what are (currently) non-function specific overrides as it goes into the
// LLVMTargetMachine constructor and then using the stored value in the
@@ -134,6 +158,7 @@ PPCTargetMachine::PPCTargetMachine(const Target &T, StringRef TT, StringRef CPU,
: LLVMTargetMachine(T, TT, CPU, computeFSAdditions(FS, OL, TT), Options, RM,
CM, OL),
TLOF(createTLOF(Triple(getTargetTriple()))),
TargetABI(computeTargetABI(Triple(TT), Options)),
DL(getDataLayoutString(Triple(TT))), Subtarget(TT, CPU, TargetFS, *this) {
initAsmInfo();
}