void llvm::GetSignature(const WebAssemblySubtarget &Subtarget,
RTLIB::Libcall LC, SmallVectorImpl<wasm::ValType> &Rets,
SmallVectorImpl<wasm::ValType> &Params) {
assert(Rets.empty());
assert(Params.empty());
WebAssembly::ExprType iPTR = Subtarget.hasAddr64() ?
WebAssembly::ExprType::I64 :
WebAssembly::ExprType::I32;
switch (RuntimeLibcallSignatures[LC]) {
case func:
break;
case f32_func_f32:
Rets.push_back(wasm::ValType::F32);
Params.push_back(wasm::ValType::F32);
break;
case f32_func_f64:
Rets.push_back(wasm::ValType::F32);
Params.push_back(wasm::ValType::F64);
break;
case f32_func_i32:
Rets.push_back(wasm::ValType::F32);
Params.push_back(wasm::ValType::I32);
break;
case f32_func_i64:
Rets.push_back(wasm::ValType::F32);
Params.push_back(wasm::ValType::I64);
break;
case f32_func_i16:
Rets.push_back(wasm::ValType::F32);
Params.push_back(wasm::ValType::I32);
break;
case f64_func_f32:
Rets.push_back(wasm::ValType::F64);
Params.push_back(wasm::ValType::F32);
break;
case f64_func_f64:
Rets.push_back(wasm::ValType::F64);
Params.push_back(wasm::ValType::F64);
break;
case f64_func_i32:
Rets.push_back(wasm::ValType::F64);
Params.push_back(wasm::ValType::I32);
break;
case f64_func_i64:
Rets.push_back(wasm::ValType::F64);
Params.push_back(wasm::ValType::I64);
break;
case i32_func_f32:
Rets.push_back(wasm::ValType::I32);
Params.push_back(wasm::ValType::F32);
break;
case i32_func_f64:
Rets.push_back(wasm::ValType::I32);
Params.push_back(wasm::ValType::F64);
break;
case i32_func_i32:
Rets.push_back(wasm::ValType::I32);
Params.push_back(wasm::ValType::I32);
break;
case i64_func_f32:
Rets.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::F32);
break;
case i64_func_f64:
Rets.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::F64);
break;
case i64_func_i64:
Rets.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
break;
case f32_func_f32_f32:
Rets.push_back(wasm::ValType::F32);
Params.push_back(wasm::ValType::F32);
Params.push_back(wasm::ValType::F32);
break;
case f32_func_f32_i32:
Rets.push_back(wasm::ValType::F32);
Params.push_back(wasm::ValType::F32);
Params.push_back(wasm::ValType::I32);
break;
case f32_func_i64_i64:
Rets.push_back(wasm::ValType::F32);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
break;
case f64_func_f64_f64:
Rets.push_back(wasm::ValType::F64);
Params.push_back(wasm::ValType::F64);
Params.push_back(wasm::ValType::F64);
break;
case f64_func_f64_i32:
Rets.push_back(wasm::ValType::F64);
Params.push_back(wasm::ValType::F64);
Params.push_back(wasm::ValType::I32);
break;
case f64_func_i64_i64:
Rets.push_back(wasm::ValType::F64);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
break;
case i16_func_f32:
Rets.push_back(wasm::ValType::I32);
Params.push_back(wasm::ValType::F32);
break;
case i8_func_i8_i8:
Rets.push_back(wasm::ValType::I32);
Params.push_back(wasm::ValType::I32);
Params.push_back(wasm::ValType::I32);
break;
case func_f32_iPTR_iPTR:
Params.push_back(wasm::ValType::F32);
Params.push_back(wasm::ValType(iPTR));
Params.push_back(wasm::ValType(iPTR));
break;
case func_f64_iPTR_iPTR:
Params.push_back(wasm::ValType::F64);
Params.push_back(wasm::ValType(iPTR));
Params.push_back(wasm::ValType(iPTR));
break;
case i16_func_i16_i16:
Rets.push_back(wasm::ValType::I32);
Params.push_back(wasm::ValType::I32);
Params.push_back(wasm::ValType::I32);
break;
case i32_func_f32_f32:
Rets.push_back(wasm::ValType::I32);
Params.push_back(wasm::ValType::F32);
Params.push_back(wasm::ValType::F32);
break;
case i32_func_f64_f64:
Rets.push_back(wasm::ValType::I32);
Params.push_back(wasm::ValType::F64);
Params.push_back(wasm::ValType::F64);
break;
case i32_func_i32_i32:
Rets.push_back(wasm::ValType::I32);
Params.push_back(wasm::ValType::I32);
Params.push_back(wasm::ValType::I32);
break;
case i64_func_i64_i64:
Rets.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
break;
case i64_i64_func_f32:
#if 0 // TODO: Enable this when wasm gets multiple-return-value support.
Rets.push_back(wasm::ValType::I64);
Rets.push_back(wasm::ValType::I64);
#else
Params.push_back(wasm::ValType(iPTR));
#endif
Params.push_back(wasm::ValType::F32);
break;
case i64_i64_func_f64:
#if 0 // TODO: Enable this when wasm gets multiple-return-value support.
Rets.push_back(wasm::ValType::I64);
Rets.push_back(wasm::ValType::I64);
#else
Params.push_back(wasm::ValType(iPTR));
#endif
Params.push_back(wasm::ValType::F64);
break;
case i16_i16_func_i16_i16:
#if 0 // TODO: Enable this when wasm gets multiple-return-value support.
Rets.push_back(wasm::ValType::I32);
Rets.push_back(wasm::ValType::I32);
#else
Params.push_back(wasm::ValType(iPTR));
#endif
Params.push_back(wasm::ValType::I32);
Params.push_back(wasm::ValType::I32);
break;
case i32_i32_func_i32_i32:
#if 0 // TODO: Enable this when wasm gets multiple-return-value support.
Rets.push_back(wasm::ValType::I32);
Rets.push_back(wasm::ValType::I32);
#else
Params.push_back(wasm::ValType(iPTR));
#endif
Params.push_back(wasm::ValType::I32);
Params.push_back(wasm::ValType::I32);
break;
case i64_i64_func_i64_i64:
#if 0 // TODO: Enable this when wasm gets multiple-return-value support.
Rets.push_back(wasm::ValType::I64);
Rets.push_back(wasm::ValType::I64);
#else
Params.push_back(wasm::ValType(iPTR));
#endif
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
break;
case i64_i64_func_i64_i64_i64_i64:
#if 0 // TODO: Enable this when wasm gets multiple-return-value support.
Rets.push_back(wasm::ValType::I64);
Rets.push_back(wasm::ValType::I64);
#else
Params.push_back(wasm::ValType(iPTR));
#endif
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
break;
case i64_i64_i64_i64_func_i64_i64_i64_i64:
#if 0 // TODO: Enable this when wasm gets multiple-return-value support.
Rets.push_back(wasm::ValType::I64);
Rets.push_back(wasm::ValType::I64);
Rets.push_back(wasm::ValType::I64);
Rets.push_back(wasm::ValType::I64);
#else
Params.push_back(wasm::ValType(iPTR));
#endif
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
break;
case i64_i64_func_i64_i64_i32:
#if 0 // TODO: Enable this when wasm gets multiple-return-value support.
Rets.push_back(wasm::ValType::I64);
Rets.push_back(wasm::ValType::I64);
Rets.push_back(wasm::ValType::I64);
Rets.push_back(wasm::ValType::I64);
#else
Params.push_back(wasm::ValType(iPTR));
#endif
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I32);
break;
case iPTR_func_iPTR_i32_iPTR:
Rets.push_back(wasm::ValType(iPTR));
Params.push_back(wasm::ValType(iPTR));
Params.push_back(wasm::ValType::I32);
Params.push_back(wasm::ValType(iPTR));
break;
case iPTR_func_iPTR_iPTR_iPTR:
Rets.push_back(wasm::ValType(iPTR));
Params.push_back(wasm::ValType(iPTR));
Params.push_back(wasm::ValType(iPTR));
Params.push_back(wasm::ValType(iPTR));
break;
case f32_func_f32_f32_f32:
Rets.push_back(wasm::ValType::F32);
Params.push_back(wasm::ValType::F32);
Params.push_back(wasm::ValType::F32);
Params.push_back(wasm::ValType::F32);
break;
case f64_func_f64_f64_f64:
Rets.push_back(wasm::ValType::F64);
Params.push_back(wasm::ValType::F64);
Params.push_back(wasm::ValType::F64);
Params.push_back(wasm::ValType::F64);
break;
case func_i64_i64_iPTR_iPTR:
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType(iPTR));
Params.push_back(wasm::ValType(iPTR));
break;
case func_iPTR_f32:
Params.push_back(wasm::ValType(iPTR));
Params.push_back(wasm::ValType::F32);
break;
case func_iPTR_f64:
Params.push_back(wasm::ValType(iPTR));
Params.push_back(wasm::ValType::F64);
break;
case func_iPTR_i32:
Params.push_back(wasm::ValType(iPTR));
Params.push_back(wasm::ValType::I32);
break;
case func_iPTR_i64:
Params.push_back(wasm::ValType(iPTR));
Params.push_back(wasm::ValType::I64);
break;
case func_iPTR_i64_i64:
Params.push_back(wasm::ValType(iPTR));
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
break;
case func_iPTR_i64_i64_i64_i64:
Params.push_back(wasm::ValType(iPTR));
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
break;
case func_iPTR_i64_i64_i64_i64_i64_i64:
Params.push_back(wasm::ValType(iPTR));
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
break;
case i32_func_i64_i64:
Rets.push_back(wasm::ValType::I32);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
break;
case i32_func_i64_i64_i64_i64:
Rets.push_back(wasm::ValType::I32);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
Params.push_back(wasm::ValType::I64);
break;
case unsupported:
llvm_unreachable("unsupported runtime library signature");
}
}
WebAssemblyInstrInfo::WebAssemblyInstrInfo(const WebAssemblySubtarget &STI)
: WebAssemblyGenInstrInfo(WebAssembly::ADJCALLSTACKDOWN,
WebAssembly::ADJCALLSTACKUP,
WebAssembly::CATCHRET),
RI(STI.getTargetTriple()) {}
WebAssemblyInstrInfo::WebAssemblyInstrInfo(const WebAssemblySubtarget &STI)
: RI(STI.getTargetTriple()) {}
