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ARM: Move setting of more runtime libcalls to RuntimeLibcallInfo #143826

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Merged
merged 1 commit into from
Jun 12, 2025
Merged

ARM: Move setting of more runtime libcalls to RuntimeLibcallInfo #143826

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28 changes: 28 additions & 0 deletions llvm/lib/IR/RuntimeLibcalls.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,34 @@ static void setARMLibcallNames(RuntimeLibcallsInfo &Info, const Triple &TT) {
}
}
}

if (TT.isOSWindows()) {
static const struct {
const RTLIB::Libcall Op;
const char *const Name;
const CallingConv::ID CC;
} LibraryCalls[] = {
{RTLIB::FPTOSINT_F32_I64, "__stoi64", CallingConv::ARM_AAPCS_VFP},
{RTLIB::FPTOSINT_F64_I64, "__dtoi64", CallingConv::ARM_AAPCS_VFP},
{RTLIB::FPTOUINT_F32_I64, "__stou64", CallingConv::ARM_AAPCS_VFP},
{RTLIB::FPTOUINT_F64_I64, "__dtou64", CallingConv::ARM_AAPCS_VFP},
{RTLIB::SINTTOFP_I64_F32, "__i64tos", CallingConv::ARM_AAPCS_VFP},
{RTLIB::SINTTOFP_I64_F64, "__i64tod", CallingConv::ARM_AAPCS_VFP},
{RTLIB::UINTTOFP_I64_F32, "__u64tos", CallingConv::ARM_AAPCS_VFP},
{RTLIB::UINTTOFP_I64_F64, "__u64tod", CallingConv::ARM_AAPCS_VFP},
};

for (const auto &LC : LibraryCalls) {
Info.setLibcallName(LC.Op, LC.Name);
Info.setLibcallCallingConv(LC.Op, LC.CC);
}
}

// Use divmod compiler-rt calls for iOS 5.0 and later.
if (TT.isOSBinFormatMachO() && (!TT.isiOS() || !TT.isOSVersionLT(5, 0))) {
Info.setLibcallName(RTLIB::SDIVREM_I32, "__divmodsi4");
Info.setLibcallName(RTLIB::UDIVREM_I32, "__udivmodsi4");
}
}

static void setMSP430Libcalls(RuntimeLibcallsInfo &Info, const Triple &TT) {
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30 changes: 0 additions & 30 deletions llvm/lib/Target/ARM/ARMISelLowering.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -708,36 +708,6 @@ ARMTargetLowering::ARMTargetLowering(const TargetMachine &TM,
}
}

if (Subtarget->isTargetWindows()) {
static const struct {
const RTLIB::Libcall Op;
const char * const Name;
const CallingConv::ID CC;
} LibraryCalls[] = {
{ RTLIB::FPTOSINT_F32_I64, "__stoi64", CallingConv::ARM_AAPCS_VFP },
{ RTLIB::FPTOSINT_F64_I64, "__dtoi64", CallingConv::ARM_AAPCS_VFP },
{ RTLIB::FPTOUINT_F32_I64, "__stou64", CallingConv::ARM_AAPCS_VFP },
{ RTLIB::FPTOUINT_F64_I64, "__dtou64", CallingConv::ARM_AAPCS_VFP },
{ RTLIB::SINTTOFP_I64_F32, "__i64tos", CallingConv::ARM_AAPCS_VFP },
{ RTLIB::SINTTOFP_I64_F64, "__i64tod", CallingConv::ARM_AAPCS_VFP },
{ RTLIB::UINTTOFP_I64_F32, "__u64tos", CallingConv::ARM_AAPCS_VFP },
{ RTLIB::UINTTOFP_I64_F64, "__u64tod", CallingConv::ARM_AAPCS_VFP },
};

for (const auto &LC : LibraryCalls) {
setLibcallName(LC.Op, LC.Name);
setLibcallCallingConv(LC.Op, LC.CC);
}
}

// Use divmod compiler-rt calls for iOS 5.0 and later.
if (Subtarget->isTargetMachO() &&
!(Subtarget->isTargetIOS() &&
Subtarget->getTargetTriple().isOSVersionLT(5, 0))) {
setLibcallName(RTLIB::SDIVREM_I32, "__divmodsi4");
setLibcallName(RTLIB::UDIVREM_I32, "__udivmodsi4");
}

// The half <-> float conversion functions are always soft-float on
// non-watchos platforms, but are needed for some targets which use a
// hard-float calling convention by default.
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