diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2019-12-20 19:53:05 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2019-12-20 19:53:05 +0000 |
| commit | 0b57cec536236d46e3dba9bd041533462f33dbb7 (patch) | |
| tree | 56229dbdbbf76d18580f72f789003db17246c8d9 /contrib/llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.cpp | |
| parent | 718ef55ec7785aae63f98f8ca05dc07ed399c16d (diff) | |
Notes
Diffstat (limited to 'contrib/llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.cpp')
| -rw-r--r-- | contrib/llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.cpp | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/contrib/llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.cpp b/contrib/llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.cpp deleted file mode 100644 index d31c1226bfdb..000000000000 --- a/contrib/llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.cpp +++ /dev/null @@ -1,92 +0,0 @@ -//=- WebAssemblyMachineFunctionInfo.cpp - WebAssembly Machine Function Info -=// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// -/// -/// \file -/// This file implements WebAssembly-specific per-machine-function -/// information. -/// -//===----------------------------------------------------------------------===// - -#include "WebAssemblyMachineFunctionInfo.h" -#include "WebAssemblyISelLowering.h" -#include "WebAssemblySubtarget.h" -#include "llvm/CodeGen/Analysis.h" -using namespace llvm; - -WebAssemblyFunctionInfo::~WebAssemblyFunctionInfo() = default; // anchor. - -void WebAssemblyFunctionInfo::initWARegs() { - assert(WARegs.empty()); - unsigned Reg = UnusedReg; - WARegs.resize(MF.getRegInfo().getNumVirtRegs(), Reg); -} - -void llvm::computeLegalValueVTs(const Function &F, const TargetMachine &TM, - Type *Ty, SmallVectorImpl<MVT> &ValueVTs) { - const DataLayout &DL(F.getParent()->getDataLayout()); - const WebAssemblyTargetLowering &TLI = - *TM.getSubtarget<WebAssemblySubtarget>(F).getTargetLowering(); - SmallVector<EVT, 4> VTs; - ComputeValueVTs(TLI, DL, Ty, VTs); - - for (EVT VT : VTs) { - unsigned NumRegs = TLI.getNumRegisters(F.getContext(), VT); - MVT RegisterVT = TLI.getRegisterType(F.getContext(), VT); - for (unsigned I = 0; I != NumRegs; ++I) - ValueVTs.push_back(RegisterVT); - } -} - -void llvm::computeSignatureVTs(const FunctionType *Ty, const Function &F, - const TargetMachine &TM, - SmallVectorImpl<MVT> &Params, - SmallVectorImpl<MVT> &Results) { - computeLegalValueVTs(F, TM, Ty->getReturnType(), Results); - - MVT PtrVT = MVT::getIntegerVT(TM.createDataLayout().getPointerSizeInBits()); - if (Results.size() > 1) { - // WebAssembly currently can't lower returns of multiple values without - // demoting to sret (see WebAssemblyTargetLowering::CanLowerReturn). So - // replace multiple return values with a pointer parameter. - Results.clear(); - Params.push_back(PtrVT); - } - - for (auto *Param : Ty->params()) - computeLegalValueVTs(F, TM, Param, Params); - if (Ty->isVarArg()) - Params.push_back(PtrVT); -} - -void llvm::valTypesFromMVTs(const ArrayRef<MVT> &In, - SmallVectorImpl<wasm::ValType> &Out) { - for (MVT Ty : In) - Out.push_back(WebAssembly::toValType(Ty)); -} - -std::unique_ptr<wasm::WasmSignature> -llvm::signatureFromMVTs(const SmallVectorImpl<MVT> &Results, - const SmallVectorImpl<MVT> &Params) { - auto Sig = make_unique<wasm::WasmSignature>(); - valTypesFromMVTs(Results, Sig->Returns); - valTypesFromMVTs(Params, Sig->Params); - return Sig; -} - -yaml::WebAssemblyFunctionInfo::WebAssemblyFunctionInfo( - const llvm::WebAssemblyFunctionInfo &MFI) - : CFGStackified(MFI.isCFGStackified()) {} - -void yaml::WebAssemblyFunctionInfo::mappingImpl(yaml::IO &YamlIO) { - MappingTraits<WebAssemblyFunctionInfo>::mapping(YamlIO, *this); -} - -void WebAssemblyFunctionInfo::initializeBaseYamlFields( - const yaml::WebAssemblyFunctionInfo &YamlMFI) { - CFGStackified = YamlMFI.CFGStackified; -} |
