|  | // CodeGen/RuntimeLibcallSignatures.cpp - R.T. Lib. Call Signatures -*- C++ -*-- | 
|  | // | 
|  | //                     The LLVM Compiler Infrastructure | 
|  | // | 
|  | // This file is distributed under the University of Illinois Open Source | 
|  | // License. See LICENSE.TXT for details. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  | /// | 
|  | /// \file | 
|  | /// This file contains signature information for runtime libcalls. | 
|  | /// | 
|  | /// CodeGen uses external symbols, which it refers to by name. The WebAssembly | 
|  | /// target needs type information for all functions. This file contains a big | 
|  | /// table providing type signatures for all runtime library functions that LLVM | 
|  | /// uses. | 
|  | /// | 
|  | /// This is currently a fairly heavy-handed solution. | 
|  | /// | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #include "WebAssemblyRuntimeLibcallSignatures.h" | 
|  | #include "WebAssemblySubtarget.h" | 
|  | #include "llvm/CodeGen/RuntimeLibcalls.h" | 
|  | #include "llvm/Support/ManagedStatic.h" | 
|  |  | 
|  | using namespace llvm; | 
|  |  | 
|  | namespace { | 
|  |  | 
|  | enum RuntimeLibcallSignature { | 
|  | func, | 
|  | f32_func_f32, | 
|  | f32_func_f64, | 
|  | f32_func_i32, | 
|  | f32_func_i64, | 
|  | f32_func_i16, | 
|  | f64_func_f32, | 
|  | f64_func_f64, | 
|  | f64_func_i32, | 
|  | f64_func_i64, | 
|  | i32_func_f32, | 
|  | i32_func_f64, | 
|  | i32_func_i32, | 
|  | i64_func_f32, | 
|  | i64_func_f64, | 
|  | i64_func_i64, | 
|  | f32_func_f32_f32, | 
|  | f32_func_f32_i32, | 
|  | f32_func_i64_i64, | 
|  | f64_func_f64_f64, | 
|  | f64_func_f64_i32, | 
|  | f64_func_i64_i64, | 
|  | i16_func_f32, | 
|  | i8_func_i8_i8, | 
|  | func_f32_iPTR_iPTR, | 
|  | func_f64_iPTR_iPTR, | 
|  | i16_func_i16_i16, | 
|  | i32_func_f32_f32, | 
|  | i32_func_f64_f64, | 
|  | i32_func_i32_i32, | 
|  | i32_func_i32_i32_iPTR, | 
|  | i64_func_i64_i64, | 
|  | i64_func_i64_i64_iPTR, | 
|  | i64_i64_func_f32, | 
|  | i64_i64_func_f64, | 
|  | i16_i16_func_i16_i16, | 
|  | i32_i32_func_i32_i32, | 
|  | i64_i64_func_i64_i64, | 
|  | i64_i64_func_i64_i64_i64_i64, | 
|  | i64_i64_func_i64_i64_i64_i64_iPTR, | 
|  | i64_i64_i64_i64_func_i64_i64_i64_i64, | 
|  | i64_i64_func_i64_i64_i32, | 
|  | iPTR_func_iPTR_i32_iPTR, | 
|  | iPTR_func_iPTR_iPTR_iPTR, | 
|  | f32_func_f32_f32_f32, | 
|  | f64_func_f64_f64_f64, | 
|  | func_i64_i64_iPTR_iPTR, | 
|  | func_iPTR_f32, | 
|  | func_iPTR_f64, | 
|  | func_iPTR_i32, | 
|  | func_iPTR_i64, | 
|  | func_iPTR_i64_i64, | 
|  | func_iPTR_i64_i64_i64_i64, | 
|  | func_iPTR_i64_i64_i64_i64_i64_i64, | 
|  | i32_func_i64_i64, | 
|  | i32_func_i64_i64_i64_i64, | 
|  | unsupported | 
|  | }; | 
|  |  | 
|  | struct RuntimeLibcallSignatureTable { | 
|  | std::vector<RuntimeLibcallSignature> Table; | 
|  |  | 
|  | // Any newly-added libcalls will be unsupported by default. | 
|  | RuntimeLibcallSignatureTable() : Table(RTLIB::UNKNOWN_LIBCALL, unsupported) { | 
|  | // Integer | 
|  | Table[RTLIB::SHL_I16] = i16_func_i16_i16; | 
|  | Table[RTLIB::SHL_I32] = i32_func_i32_i32; | 
|  | Table[RTLIB::SHL_I64] = i64_func_i64_i64; | 
|  | Table[RTLIB::SHL_I128] = i64_i64_func_i64_i64_i32; | 
|  | Table[RTLIB::SRL_I16] = i16_func_i16_i16; | 
|  | Table[RTLIB::SRL_I32] = i32_func_i32_i32; | 
|  | Table[RTLIB::SRL_I64] = i64_func_i64_i64; | 
|  | Table[RTLIB::SRL_I128] = i64_i64_func_i64_i64_i32; | 
|  | Table[RTLIB::SRA_I16] = i16_func_i16_i16; | 
|  | Table[RTLIB::SRA_I32] = i32_func_i32_i32; | 
|  | Table[RTLIB::SRA_I64] = i64_func_i64_i64; | 
|  | Table[RTLIB::SRA_I128] = i64_i64_func_i64_i64_i32; | 
|  | Table[RTLIB::MUL_I8] = i8_func_i8_i8; | 
|  | Table[RTLIB::MUL_I16] = i16_func_i16_i16; | 
|  | Table[RTLIB::MUL_I32] = i32_func_i32_i32; | 
|  | Table[RTLIB::MUL_I64] = i64_func_i64_i64; | 
|  | Table[RTLIB::MUL_I128] = i64_i64_func_i64_i64_i64_i64; | 
|  | Table[RTLIB::MULO_I32] = i32_func_i32_i32_iPTR; | 
|  | Table[RTLIB::MULO_I64] = i64_func_i64_i64_iPTR; | 
|  | Table[RTLIB::MULO_I128] = i64_i64_func_i64_i64_i64_i64_iPTR; | 
|  | Table[RTLIB::SDIV_I8] = i8_func_i8_i8; | 
|  | Table[RTLIB::SDIV_I16] = i16_func_i16_i16; | 
|  | Table[RTLIB::SDIV_I32] = i32_func_i32_i32; | 
|  | Table[RTLIB::SDIV_I64] = i64_func_i64_i64; | 
|  | Table[RTLIB::SDIV_I128] = i64_i64_func_i64_i64_i64_i64; | 
|  | Table[RTLIB::UDIV_I8] = i8_func_i8_i8; | 
|  | Table[RTLIB::UDIV_I16] = i16_func_i16_i16; | 
|  | Table[RTLIB::UDIV_I32] = i32_func_i32_i32; | 
|  | Table[RTLIB::UDIV_I64] = i64_func_i64_i64; | 
|  | Table[RTLIB::UDIV_I128] = i64_i64_func_i64_i64_i64_i64; | 
|  | Table[RTLIB::SREM_I8] = i8_func_i8_i8; | 
|  | Table[RTLIB::SREM_I16] = i16_func_i16_i16; | 
|  | Table[RTLIB::SREM_I32] = i32_func_i32_i32; | 
|  | Table[RTLIB::SREM_I64] = i64_func_i64_i64; | 
|  | Table[RTLIB::SREM_I128] = i64_i64_func_i64_i64_i64_i64; | 
|  | Table[RTLIB::UREM_I8] = i8_func_i8_i8; | 
|  | Table[RTLIB::UREM_I16] = i16_func_i16_i16; | 
|  | Table[RTLIB::UREM_I32] = i32_func_i32_i32; | 
|  | Table[RTLIB::UREM_I64] = i64_func_i64_i64; | 
|  | Table[RTLIB::UREM_I128] = i64_i64_func_i64_i64_i64_i64; | 
|  | Table[RTLIB::SDIVREM_I8] = i8_func_i8_i8; | 
|  | Table[RTLIB::SDIVREM_I16] = i16_i16_func_i16_i16; | 
|  | Table[RTLIB::SDIVREM_I32] = i32_i32_func_i32_i32; | 
|  | Table[RTLIB::SDIVREM_I64] = i64_func_i64_i64; | 
|  | Table[RTLIB::SDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64; | 
|  | Table[RTLIB::UDIVREM_I8] = i8_func_i8_i8; | 
|  | Table[RTLIB::UDIVREM_I16] = i16_i16_func_i16_i16; | 
|  | Table[RTLIB::UDIVREM_I32] = i32_i32_func_i32_i32; | 
|  | Table[RTLIB::UDIVREM_I64] = i64_i64_func_i64_i64; | 
|  | Table[RTLIB::UDIVREM_I128] = i64_i64_i64_i64_func_i64_i64_i64_i64; | 
|  | Table[RTLIB::NEG_I32] = i32_func_i32; | 
|  | Table[RTLIB::NEG_I64] = i64_func_i64; | 
|  |  | 
|  | // Floating-point. | 
|  | // All F80 and PPCF128 routines are unsupported. | 
|  | Table[RTLIB::ADD_F32] = f32_func_f32_f32; | 
|  | Table[RTLIB::ADD_F64] = f64_func_f64_f64; | 
|  | Table[RTLIB::ADD_F128] = func_iPTR_i64_i64_i64_i64; | 
|  | Table[RTLIB::SUB_F32] = f32_func_f32_f32; | 
|  | Table[RTLIB::SUB_F64] = f64_func_f64_f64; | 
|  | Table[RTLIB::SUB_F128] = func_iPTR_i64_i64_i64_i64; | 
|  | Table[RTLIB::MUL_F32] = f32_func_f32_f32; | 
|  | Table[RTLIB::MUL_F64] = f64_func_f64_f64; | 
|  | Table[RTLIB::MUL_F128] = func_iPTR_i64_i64_i64_i64; | 
|  | Table[RTLIB::DIV_F32] = f32_func_f32_f32; | 
|  | Table[RTLIB::DIV_F64] = f64_func_f64_f64; | 
|  | Table[RTLIB::DIV_F128] = func_iPTR_i64_i64_i64_i64; | 
|  | Table[RTLIB::REM_F32] = f32_func_f32_f32; | 
|  | Table[RTLIB::REM_F64] = f64_func_f64_f64; | 
|  | Table[RTLIB::REM_F128] = func_iPTR_i64_i64_i64_i64; | 
|  | Table[RTLIB::FMA_F32] = f32_func_f32_f32_f32; | 
|  | Table[RTLIB::FMA_F64] = f64_func_f64_f64_f64; | 
|  | Table[RTLIB::FMA_F128] = func_iPTR_i64_i64_i64_i64_i64_i64; | 
|  | Table[RTLIB::POWI_F32] = f32_func_f32_i32; | 
|  | Table[RTLIB::POWI_F64] = f64_func_f64_i32; | 
|  | Table[RTLIB::POWI_F128] = func_iPTR_i64_i64_i64_i64; | 
|  | Table[RTLIB::SQRT_F32] = f32_func_f32; | 
|  | Table[RTLIB::SQRT_F64] = f64_func_f64; | 
|  | Table[RTLIB::SQRT_F128] = func_iPTR_i64_i64; | 
|  | Table[RTLIB::LOG_F32] = f32_func_f32; | 
|  | Table[RTLIB::LOG_F64] = f64_func_f64; | 
|  | Table[RTLIB::LOG_F128] = func_iPTR_i64_i64; | 
|  | Table[RTLIB::LOG2_F32] = f32_func_f32; | 
|  | Table[RTLIB::LOG2_F64] = f64_func_f64; | 
|  | Table[RTLIB::LOG2_F128] = func_iPTR_i64_i64; | 
|  | Table[RTLIB::LOG10_F32] = f32_func_f32; | 
|  | Table[RTLIB::LOG10_F64] = f64_func_f64; | 
|  | Table[RTLIB::LOG10_F128] = func_iPTR_i64_i64; | 
|  | Table[RTLIB::EXP_F32] = f32_func_f32; | 
|  | Table[RTLIB::EXP_F64] = f64_func_f64; | 
|  | Table[RTLIB::EXP_F128] = func_iPTR_i64_i64; | 
|  | Table[RTLIB::EXP2_F32] = f32_func_f32; | 
|  | Table[RTLIB::EXP2_F64] = f64_func_f64; | 
|  | Table[RTLIB::EXP2_F128] = func_iPTR_i64_i64; | 
|  | Table[RTLIB::SIN_F32] = f32_func_f32; | 
|  | Table[RTLIB::SIN_F64] = f64_func_f64; | 
|  | Table[RTLIB::SIN_F128] = func_iPTR_i64_i64; | 
|  | Table[RTLIB::COS_F32] = f32_func_f32; | 
|  | Table[RTLIB::COS_F64] = f64_func_f64; | 
|  | Table[RTLIB::COS_F128] = func_iPTR_i64_i64; | 
|  | Table[RTLIB::SINCOS_F32] = func_f32_iPTR_iPTR; | 
|  | Table[RTLIB::SINCOS_F64] = func_f64_iPTR_iPTR; | 
|  | Table[RTLIB::SINCOS_F128] = func_i64_i64_iPTR_iPTR; | 
|  | Table[RTLIB::POW_F32] = f32_func_f32_f32; | 
|  | Table[RTLIB::POW_F64] = f64_func_f64_f64; | 
|  | Table[RTLIB::POW_F128] = func_iPTR_i64_i64_i64_i64; | 
|  | Table[RTLIB::CEIL_F32] = f32_func_f32; | 
|  | Table[RTLIB::CEIL_F64] = f64_func_f64; | 
|  | Table[RTLIB::CEIL_F128] = func_iPTR_i64_i64; | 
|  | Table[RTLIB::TRUNC_F32] = f32_func_f32; | 
|  | Table[RTLIB::TRUNC_F64] = f64_func_f64; | 
|  | Table[RTLIB::TRUNC_F128] = func_iPTR_i64_i64; | 
|  | Table[RTLIB::RINT_F32] = f32_func_f32; | 
|  | Table[RTLIB::RINT_F64] = f64_func_f64; | 
|  | Table[RTLIB::RINT_F128] = func_iPTR_i64_i64; | 
|  | Table[RTLIB::NEARBYINT_F32] = f32_func_f32; | 
|  | Table[RTLIB::NEARBYINT_F64] = f64_func_f64; | 
|  | Table[RTLIB::NEARBYINT_F128] = func_iPTR_i64_i64; | 
|  | Table[RTLIB::ROUND_F32] = f32_func_f32; | 
|  | Table[RTLIB::ROUND_F64] = f64_func_f64; | 
|  | Table[RTLIB::ROUND_F128] = func_iPTR_i64_i64; | 
|  | Table[RTLIB::FLOOR_F32] = f32_func_f32; | 
|  | Table[RTLIB::FLOOR_F64] = f64_func_f64; | 
|  | Table[RTLIB::FLOOR_F128] = func_iPTR_i64_i64; | 
|  | Table[RTLIB::COPYSIGN_F32] = f32_func_f32_f32; | 
|  | Table[RTLIB::COPYSIGN_F64] = f64_func_f64_f64; | 
|  | Table[RTLIB::COPYSIGN_F128] = func_iPTR_i64_i64_i64_i64; | 
|  | Table[RTLIB::FMIN_F32] = f32_func_f32_f32; | 
|  | Table[RTLIB::FMIN_F64] = f64_func_f64_f64; | 
|  | Table[RTLIB::FMIN_F128] = func_iPTR_i64_i64_i64_i64; | 
|  | Table[RTLIB::FMAX_F32] = f32_func_f32_f32; | 
|  | Table[RTLIB::FMAX_F64] = f64_func_f64_f64; | 
|  | Table[RTLIB::FMAX_F128] = func_iPTR_i64_i64_i64_i64; | 
|  |  | 
|  | // Conversion | 
|  | // All F80 and PPCF128 routines are unspported. | 
|  | Table[RTLIB::FPEXT_F64_F128] = func_iPTR_f64; | 
|  | Table[RTLIB::FPEXT_F32_F128] = func_iPTR_f32; | 
|  | Table[RTLIB::FPEXT_F32_F64] = f64_func_f32; | 
|  | Table[RTLIB::FPEXT_F16_F32] = f32_func_i16; | 
|  | Table[RTLIB::FPROUND_F32_F16] = i16_func_f32; | 
|  | Table[RTLIB::FPROUND_F64_F32] = f32_func_f64; | 
|  | Table[RTLIB::FPROUND_F128_F32] = f32_func_i64_i64; | 
|  | Table[RTLIB::FPROUND_F128_F64] = f64_func_i64_i64; | 
|  | Table[RTLIB::FPTOSINT_F32_I32] = i32_func_f32; | 
|  | Table[RTLIB::FPTOSINT_F32_I64] = i64_func_f32; | 
|  | Table[RTLIB::FPTOSINT_F32_I128] = i64_i64_func_f32; | 
|  | Table[RTLIB::FPTOSINT_F64_I32] = i32_func_f64; | 
|  | Table[RTLIB::FPTOSINT_F64_I64] = i64_func_f64; | 
|  | Table[RTLIB::FPTOSINT_F64_I128] = i64_i64_func_f64; | 
|  | Table[RTLIB::FPTOSINT_F128_I32] = i32_func_i64_i64; | 
|  | Table[RTLIB::FPTOSINT_F128_I64] = i64_func_i64_i64; | 
|  | Table[RTLIB::FPTOSINT_F128_I128] = i64_i64_func_i64_i64; | 
|  | Table[RTLIB::FPTOUINT_F32_I32] = i32_func_f32; | 
|  | Table[RTLIB::FPTOUINT_F32_I64] = i64_func_f32; | 
|  | Table[RTLIB::FPTOUINT_F32_I128] = i64_i64_func_f32; | 
|  | Table[RTLIB::FPTOUINT_F64_I32] = i32_func_f64; | 
|  | Table[RTLIB::FPTOUINT_F64_I64] = i64_func_f64; | 
|  | Table[RTLIB::FPTOUINT_F64_I128] = i64_i64_func_f64; | 
|  | Table[RTLIB::FPTOUINT_F128_I32] = i32_func_i64_i64; | 
|  | Table[RTLIB::FPTOUINT_F128_I64] = i64_func_i64_i64; | 
|  | Table[RTLIB::FPTOUINT_F128_I128] = i64_i64_func_i64_i64; | 
|  | Table[RTLIB::SINTTOFP_I32_F32] = f32_func_i32; | 
|  | Table[RTLIB::SINTTOFP_I32_F64] = f64_func_i32; | 
|  | Table[RTLIB::SINTTOFP_I32_F128] = func_iPTR_i32; | 
|  | Table[RTLIB::SINTTOFP_I64_F32] = f32_func_i64; | 
|  | Table[RTLIB::SINTTOFP_I64_F64] = f64_func_i64; | 
|  | Table[RTLIB::SINTTOFP_I64_F128] = func_iPTR_i64; | 
|  | Table[RTLIB::SINTTOFP_I128_F32] = f32_func_i64_i64; | 
|  | Table[RTLIB::SINTTOFP_I128_F64] = f64_func_i64_i64; | 
|  | Table[RTLIB::SINTTOFP_I128_F128] = func_iPTR_i64_i64; | 
|  | Table[RTLIB::UINTTOFP_I32_F32] = f32_func_i32; | 
|  | Table[RTLIB::UINTTOFP_I32_F64] = f64_func_i64; | 
|  | Table[RTLIB::UINTTOFP_I32_F128] = func_iPTR_i32; | 
|  | Table[RTLIB::UINTTOFP_I64_F32] = f32_func_i64; | 
|  | Table[RTLIB::UINTTOFP_I64_F64] = f64_func_i64; | 
|  | Table[RTLIB::UINTTOFP_I64_F128] = func_iPTR_i64; | 
|  | Table[RTLIB::UINTTOFP_I128_F32] = f32_func_i64_i64; | 
|  | Table[RTLIB::UINTTOFP_I128_F64] = f64_func_i64_i64; | 
|  | Table[RTLIB::UINTTOFP_I128_F128] = func_iPTR_i64_i64; | 
|  |  | 
|  | // Comparison | 
|  | // ALl F80 and PPCF128 routines are unsupported. | 
|  | Table[RTLIB::OEQ_F32] = i32_func_f32_f32; | 
|  | Table[RTLIB::OEQ_F64] = i32_func_f64_f64; | 
|  | Table[RTLIB::OEQ_F128] = i32_func_i64_i64_i64_i64; | 
|  | Table[RTLIB::UNE_F32] = i32_func_f32_f32; | 
|  | Table[RTLIB::UNE_F64] = i32_func_f64_f64; | 
|  | Table[RTLIB::UNE_F128] = i32_func_i64_i64_i64_i64; | 
|  | Table[RTLIB::OGE_F32] = i32_func_f32_f32; | 
|  | Table[RTLIB::OGE_F64] = i32_func_f64_f64; | 
|  | Table[RTLIB::OGE_F128] = i32_func_i64_i64_i64_i64; | 
|  | Table[RTLIB::OLT_F32] = i32_func_f32_f32; | 
|  | Table[RTLIB::OLT_F64] = i32_func_f64_f64; | 
|  | Table[RTLIB::OLT_F128] = i32_func_i64_i64_i64_i64; | 
|  | Table[RTLIB::OLE_F32] = i32_func_f32_f32; | 
|  | Table[RTLIB::OLE_F64] = i32_func_f64_f64; | 
|  | Table[RTLIB::OLE_F128] = i32_func_i64_i64_i64_i64; | 
|  | Table[RTLIB::OGT_F32] = i32_func_f32_f32; | 
|  | Table[RTLIB::OGT_F64] = i32_func_f64_f64; | 
|  | Table[RTLIB::OGT_F128] = i32_func_i64_i64_i64_i64; | 
|  | Table[RTLIB::UO_F32] = i32_func_f32_f32; | 
|  | Table[RTLIB::UO_F64] = i32_func_f64_f64; | 
|  | Table[RTLIB::UO_F128] = i32_func_i64_i64_i64_i64; | 
|  | // O_FXX has the weird property that it uses the same libcall name as UO_FXX | 
|  | // This breaks our name-based lookup. Fortunately only the UO family of | 
|  | // libcalls appears to be actually used. | 
|  | Table[RTLIB::O_F32] = unsupported; | 
|  | Table[RTLIB::O_F64] = unsupported; | 
|  | Table[RTLIB::O_F128] = unsupported; | 
|  |  | 
|  | // Memory | 
|  | Table[RTLIB::MEMCPY] = iPTR_func_iPTR_iPTR_iPTR; | 
|  | Table[RTLIB::MEMSET] = iPTR_func_iPTR_i32_iPTR; | 
|  | Table[RTLIB::MEMMOVE] = iPTR_func_iPTR_iPTR_iPTR; | 
|  |  | 
|  | // Element-wise Atomic memory | 
|  | // TODO: Fix these when we implement atomic support | 
|  | Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; | 
|  | Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; | 
|  | Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; | 
|  | Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; | 
|  | Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; | 
|  | Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; | 
|  | Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; | 
|  | Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; | 
|  | Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; | 
|  | Table[RTLIB::MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; | 
|  |  | 
|  | Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_1] = unsupported; | 
|  | Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_2] = unsupported; | 
|  | Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_4] = unsupported; | 
|  | Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_8] = unsupported; | 
|  | Table[RTLIB::MEMSET_ELEMENT_UNORDERED_ATOMIC_16] = unsupported; | 
|  |  | 
|  | // Atomic '__sync_*' libcalls. | 
|  | // TODO: Fix these when we implement atomic support | 
|  | Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_1] = unsupported; | 
|  | Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_2] = unsupported; | 
|  | Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_4] = unsupported; | 
|  | Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_8] = unsupported; | 
|  | Table[RTLIB::SYNC_VAL_COMPARE_AND_SWAP_16] = unsupported; | 
|  | Table[RTLIB::SYNC_LOCK_TEST_AND_SET_1] = unsupported; | 
|  | Table[RTLIB::SYNC_LOCK_TEST_AND_SET_2] = unsupported; | 
|  | Table[RTLIB::SYNC_LOCK_TEST_AND_SET_4] = unsupported; | 
|  | Table[RTLIB::SYNC_LOCK_TEST_AND_SET_8] = unsupported; | 
|  | Table[RTLIB::SYNC_LOCK_TEST_AND_SET_16] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_ADD_1] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_ADD_2] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_ADD_4] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_ADD_8] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_ADD_16] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_SUB_1] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_SUB_2] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_SUB_4] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_SUB_8] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_SUB_16] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_AND_1] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_AND_2] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_AND_4] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_AND_8] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_AND_16] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_OR_1] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_OR_2] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_OR_4] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_OR_8] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_OR_16] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_XOR_1] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_XOR_2] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_XOR_4] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_XOR_8] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_XOR_16] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_NAND_1] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_NAND_2] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_NAND_4] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_NAND_8] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_NAND_16] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_MAX_1] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_MAX_2] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_MAX_4] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_MAX_8] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_MAX_16] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_UMAX_1] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_UMAX_2] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_UMAX_4] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_UMAX_8] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_UMAX_16] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_MIN_1] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_MIN_2] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_MIN_4] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_MIN_8] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_MIN_16] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_UMIN_1] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_UMIN_2] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_UMIN_4] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_UMIN_8] = unsupported; | 
|  | Table[RTLIB::SYNC_FETCH_AND_UMIN_16] = unsupported; | 
|  |  | 
|  | // Atomic '__atomic_*' libcalls. | 
|  | // TODO: Fix these when we implement atomic support | 
|  | Table[RTLIB::ATOMIC_LOAD] = unsupported; | 
|  | Table[RTLIB::ATOMIC_LOAD_1] = unsupported; | 
|  | Table[RTLIB::ATOMIC_LOAD_2] = unsupported; | 
|  | Table[RTLIB::ATOMIC_LOAD_4] = unsupported; | 
|  | Table[RTLIB::ATOMIC_LOAD_8] = unsupported; | 
|  | Table[RTLIB::ATOMIC_LOAD_16] = unsupported; | 
|  |  | 
|  | Table[RTLIB::ATOMIC_STORE] = unsupported; | 
|  | Table[RTLIB::ATOMIC_STORE_1] = unsupported; | 
|  | Table[RTLIB::ATOMIC_STORE_2] = unsupported; | 
|  | Table[RTLIB::ATOMIC_STORE_4] = unsupported; | 
|  | Table[RTLIB::ATOMIC_STORE_8] = unsupported; | 
|  | Table[RTLIB::ATOMIC_STORE_16] = unsupported; | 
|  |  | 
|  | Table[RTLIB::ATOMIC_EXCHANGE] = unsupported; | 
|  | Table[RTLIB::ATOMIC_EXCHANGE_1] = unsupported; | 
|  | Table[RTLIB::ATOMIC_EXCHANGE_2] = unsupported; | 
|  | Table[RTLIB::ATOMIC_EXCHANGE_4] = unsupported; | 
|  | Table[RTLIB::ATOMIC_EXCHANGE_8] = unsupported; | 
|  | Table[RTLIB::ATOMIC_EXCHANGE_16] = unsupported; | 
|  |  | 
|  | Table[RTLIB::ATOMIC_COMPARE_EXCHANGE] = unsupported; | 
|  | Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_1] = unsupported; | 
|  | Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_2] = unsupported; | 
|  | Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_4] = unsupported; | 
|  | Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_8] = unsupported; | 
|  | Table[RTLIB::ATOMIC_COMPARE_EXCHANGE_16] = unsupported; | 
|  |  | 
|  | Table[RTLIB::ATOMIC_FETCH_ADD_1] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_ADD_2] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_ADD_4] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_ADD_8] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_ADD_16] = unsupported; | 
|  |  | 
|  | Table[RTLIB::ATOMIC_FETCH_SUB_1] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_SUB_2] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_SUB_4] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_SUB_8] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_SUB_16] = unsupported; | 
|  |  | 
|  | Table[RTLIB::ATOMIC_FETCH_AND_1] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_AND_2] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_AND_4] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_AND_8] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_AND_16] = unsupported; | 
|  |  | 
|  | Table[RTLIB::ATOMIC_FETCH_OR_1] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_OR_2] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_OR_4] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_OR_8] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_OR_16] = unsupported; | 
|  |  | 
|  | Table[RTLIB::ATOMIC_FETCH_XOR_1] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_XOR_2] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_XOR_4] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_XOR_8] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_XOR_16] = unsupported; | 
|  |  | 
|  | Table[RTLIB::ATOMIC_FETCH_NAND_1] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_NAND_2] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_NAND_4] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_NAND_8] = unsupported; | 
|  | Table[RTLIB::ATOMIC_FETCH_NAND_16] = unsupported; | 
|  | } | 
|  | }; | 
|  |  | 
|  | ManagedStatic<RuntimeLibcallSignatureTable> RuntimeLibcallSignatures; | 
|  |  | 
|  | // Maps libcall names to their RTLIB::Libcall number. Builds the map in a | 
|  | // constructor for use with ManagedStatic | 
|  | struct StaticLibcallNameMap { | 
|  | StringMap<RTLIB::Libcall> Map; | 
|  | StaticLibcallNameMap() { | 
|  | static const std::pair<const char *, RTLIB::Libcall> NameLibcalls[] = { | 
|  | #define HANDLE_LIBCALL(code, name) {(const char *)name, RTLIB::code}, | 
|  | #include "llvm/IR/RuntimeLibcalls.def" | 
|  | #undef HANDLE_LIBCALL | 
|  | }; | 
|  | for (const auto &NameLibcall : NameLibcalls) { | 
|  | if (NameLibcall.first != nullptr && | 
|  | RuntimeLibcallSignatures->Table[NameLibcall.second] != unsupported) { | 
|  | assert(Map.find(NameLibcall.first) == Map.end() && | 
|  | "duplicate libcall names in name map"); | 
|  | Map[NameLibcall.first] = NameLibcall.second; | 
|  | } | 
|  | } | 
|  | } | 
|  | }; | 
|  |  | 
|  | } // end anonymous namespace | 
|  |  | 
|  | void llvm::GetLibcallSignature(const WebAssemblySubtarget &Subtarget, | 
|  | RTLIB::Libcall LC, | 
|  | SmallVectorImpl<wasm::ValType> &Rets, | 
|  | SmallVectorImpl<wasm::ValType> &Params) { | 
|  | assert(Rets.empty()); | 
|  | assert(Params.empty()); | 
|  |  | 
|  | wasm::ValType iPTR = | 
|  | Subtarget.hasAddr64() ? wasm::ValType::I64 : wasm::ValType::I32; | 
|  |  | 
|  | auto &Table = RuntimeLibcallSignatures->Table; | 
|  | switch (Table[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(iPTR); | 
|  | Params.push_back(iPTR); | 
|  | break; | 
|  | case func_f64_iPTR_iPTR: | 
|  | Params.push_back(wasm::ValType::F64); | 
|  | Params.push_back(iPTR); | 
|  | Params.push_back(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 i32_func_i32_i32_iPTR: | 
|  | Rets.push_back(wasm::ValType::I32); | 
|  | Params.push_back(wasm::ValType::I32); | 
|  | Params.push_back(wasm::ValType::I32); | 
|  | Params.push_back(iPTR); | 
|  | 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_func_i64_i64_iPTR: | 
|  | Rets.push_back(wasm::ValType::I64); | 
|  | Params.push_back(wasm::ValType::I64); | 
|  | Params.push_back(wasm::ValType::I64); | 
|  | Params.push_back(iPTR); | 
|  | 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(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(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(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(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(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(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_i64_i64_iPTR: | 
|  | #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(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); | 
|  | Params.push_back(iPTR); | 
|  | 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(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(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(iPTR); | 
|  | Params.push_back(iPTR); | 
|  | Params.push_back(wasm::ValType::I32); | 
|  | Params.push_back(iPTR); | 
|  | break; | 
|  | case iPTR_func_iPTR_iPTR_iPTR: | 
|  | Rets.push_back(iPTR); | 
|  | Params.push_back(iPTR); | 
|  | Params.push_back(iPTR); | 
|  | Params.push_back(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(iPTR); | 
|  | Params.push_back(iPTR); | 
|  | break; | 
|  | case func_iPTR_f32: | 
|  | Params.push_back(iPTR); | 
|  | Params.push_back(wasm::ValType::F32); | 
|  | break; | 
|  | case func_iPTR_f64: | 
|  | Params.push_back(iPTR); | 
|  | Params.push_back(wasm::ValType::F64); | 
|  | break; | 
|  | case func_iPTR_i32: | 
|  | Params.push_back(iPTR); | 
|  | Params.push_back(wasm::ValType::I32); | 
|  | break; | 
|  | case func_iPTR_i64: | 
|  | Params.push_back(iPTR); | 
|  | Params.push_back(wasm::ValType::I64); | 
|  | break; | 
|  | case func_iPTR_i64_i64: | 
|  | Params.push_back(iPTR); | 
|  | Params.push_back(wasm::ValType::I64); | 
|  | Params.push_back(wasm::ValType::I64); | 
|  | break; | 
|  | case func_iPTR_i64_i64_i64_i64: | 
|  | Params.push_back(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(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"); | 
|  | } | 
|  | } | 
|  |  | 
|  | static ManagedStatic<StaticLibcallNameMap> LibcallNameMap; | 
|  | // TODO: If the RTLIB::Libcall-taking flavor of GetSignature remains unsed | 
|  | // other than here, just roll its logic into this version. | 
|  | void llvm::GetLibcallSignature(const WebAssemblySubtarget &Subtarget, | 
|  | const char *Name, | 
|  | SmallVectorImpl<wasm::ValType> &Rets, | 
|  | SmallVectorImpl<wasm::ValType> &Params) { | 
|  | auto &Map = LibcallNameMap->Map; | 
|  | auto val = Map.find(Name); | 
|  | assert(val != Map.end() && "unexpected runtime library name"); | 
|  | return GetLibcallSignature(Subtarget, val->second, Rets, Params); | 
|  | } |