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Added VarArgs

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This commit is contained in:
Brian Fiete 2021-01-22 04:58:08 -08:00
parent fd1d9644f7
commit 9ccdf7282e
8 changed files with 228 additions and 26 deletions
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16
IDEHelper/Compiler/BfIRCodeGen.cpp
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@ -189,6 +189,9 @@ static const BuiltinEntry gIntrinEntries[] =
{"sin"},
{"sqrt"},
{"sub"},
{"va_arg"},
{"va_end"},
{"va_start"},
{"xor"},
};
@ -2631,6 +2634,9 @@ void BfIRCodeGen::HandleNextCmd()
{ llvm::Intrinsic::sin, 0, -1},
{ llvm::Intrinsic::sqrt, 0, -1},
{ (llvm::Intrinsic::ID)-2, -1}, // sub,
{ (llvm::Intrinsic::ID)-2, -1}, // va_arg,
{ llvm::Intrinsic::vaend, -1}, // va_end,
{ llvm::Intrinsic::vastart, -1}, // va_start,
{ (llvm::Intrinsic::ID)-2, -1}, // xor
};
BF_STATIC_ASSERT(BF_ARRAY_COUNT(intrinsics) == BfIRIntrinsic_COUNT);
@ -3451,6 +3457,16 @@ void BfIRCodeGen::HandleNextCmd()
}
}
break;
case BfIRIntrinsic_VAArg:
{
auto constInt = llvm::dyn_cast<llvm::ConstantInt>(args[2]);
auto argType = GetLLVMTypeById((int)constInt->getSExtValue());
auto vaArgVal = mIRBuilder->CreateVAArg(args[0], argType);
auto resultPtr = mIRBuilder->CreateBitCast(args[1], argType->getPointerTo());
mIRBuilder->CreateStore(vaArgVal, resultPtr);
}
break;
default:
FatalError("Unhandled intrinsic");
}