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[mips] Move MipsCCState to a separate file and clang-formatted it.
Summary: Depends on D6113 Reviewers: theraven, vmedic Reviewed By: vmedic Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D6114 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221525 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -24,6 +24,7 @@ add_llvm_target(MipsCodeGen
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MipsABIInfo.cpp
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MipsABIInfo.cpp
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MipsAnalyzeImmediate.cpp
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MipsAnalyzeImmediate.cpp
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MipsAsmPrinter.cpp
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MipsAsmPrinter.cpp
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MipsCCState.cpp
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MipsConstantIslandPass.cpp
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MipsConstantIslandPass.cpp
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MipsDelaySlotFiller.cpp
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MipsDelaySlotFiller.cpp
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MipsFastISel.cpp
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MipsFastISel.cpp
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133
lib/Target/Mips/MipsCCState.cpp
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133
lib/Target/Mips/MipsCCState.cpp
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@ -0,0 +1,133 @@
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//===---- MipsCCState.cpp - CCState with Mips specific extensions ---------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "MipsCCState.h"
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#include "MipsSubtarget.h"
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#include "llvm/IR/Module.h"
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using namespace llvm;
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/// This function returns true if CallSym is a long double emulation routine.
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static bool isF128SoftLibCall(const char *CallSym) {
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const char *const LibCalls[] = {
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"__addtf3", "__divtf3", "__eqtf2", "__extenddftf2",
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"__extendsftf2", "__fixtfdi", "__fixtfsi", "__fixtfti",
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"__fixunstfdi", "__fixunstfsi", "__fixunstfti", "__floatditf",
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"__floatsitf", "__floattitf", "__floatunditf", "__floatunsitf",
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"__floatuntitf", "__getf2", "__gttf2", "__letf2",
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"__lttf2", "__multf3", "__netf2", "__powitf2",
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"__subtf3", "__trunctfdf2", "__trunctfsf2", "__unordtf2",
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"ceill", "copysignl", "cosl", "exp2l",
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"expl", "floorl", "fmal", "fmodl",
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"log10l", "log2l", "logl", "nearbyintl",
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"powl", "rintl", "sinl", "sqrtl",
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"truncl"};
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const char *const *End = LibCalls + array_lengthof(LibCalls);
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// Check that LibCalls is sorted alphabetically.
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MipsTargetLowering::LTStr Comp;
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#ifndef NDEBUG
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for (const char *const *I = LibCalls; I < End - 1; ++I)
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assert(Comp(*I, *(I + 1)));
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#endif
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return std::binary_search(LibCalls, End, CallSym, Comp);
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}
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/// This function returns true if Ty is fp128, {f128} or i128 which was
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/// originally a fp128.
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static bool originalTypeIsF128(const Type *Ty, const SDNode *CallNode) {
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if (Ty->isFP128Ty())
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return true;
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if (Ty->isStructTy() && Ty->getStructNumElements() == 1 &&
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Ty->getStructElementType(0)->isFP128Ty())
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return true;
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const ExternalSymbolSDNode *ES =
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dyn_cast_or_null<const ExternalSymbolSDNode>(CallNode);
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// If the Ty is i128 and the function being called is a long double emulation
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// routine, then the original type is f128.
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return (ES && Ty->isIntegerTy(128) && isF128SoftLibCall(ES->getSymbol()));
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}
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MipsCCState::SpecialCallingConvType
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MipsCCState::getSpecialCallingConvForCallee(const SDNode *Callee,
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const MipsSubtarget &Subtarget) {
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MipsCCState::SpecialCallingConvType SpecialCallingConv = NoSpecialCallingConv;
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if (Subtarget.inMips16HardFloat()) {
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if (const GlobalAddressSDNode *G =
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dyn_cast<const GlobalAddressSDNode>(Callee)) {
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llvm::StringRef Sym = G->getGlobal()->getName();
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Function *F = G->getGlobal()->getParent()->getFunction(Sym);
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if (F && F->hasFnAttribute("__Mips16RetHelper")) {
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SpecialCallingConv = Mips16RetHelperConv;
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}
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}
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}
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return SpecialCallingConv;
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}
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void MipsCCState::PreAnalyzeCallResultForF128(
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const SmallVectorImpl<ISD::InputArg> &Ins,
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const TargetLowering::CallLoweringInfo &CLI) {
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for (unsigned i = 0; i < Ins.size(); ++i)
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OriginalArgWasF128.push_back(
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originalTypeIsF128(CLI.RetTy, CLI.Callee.getNode()));
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}
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/// Identify lowered values that originated from f128 arguments and record
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/// this for use by RetCC_MipsN.
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void MipsCCState::PreAnalyzeReturnForF128(
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const SmallVectorImpl<ISD::OutputArg> &Outs) {
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const MachineFunction &MF = getMachineFunction();
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for (unsigned i = 0; i < Outs.size(); ++i)
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OriginalArgWasF128.push_back(
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originalTypeIsF128(MF.getFunction()->getReturnType(), nullptr));
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}
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/// Identify lowered values that originated from f128 arguments and record
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/// this.
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void MipsCCState::PreAnalyzeCallOperands(
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const SmallVectorImpl<ISD::OutputArg> &Outs,
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std::vector<TargetLowering::ArgListEntry> &FuncArgs,
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const SDNode *CallNode) {
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for (unsigned i = 0; i < Outs.size(); ++i) {
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OriginalArgWasF128.push_back(
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originalTypeIsF128(FuncArgs[Outs[i].OrigArgIndex].Ty, CallNode));
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CallOperandIsFixed.push_back(Outs[i].IsFixed);
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}
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}
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/// Identify lowered values that originated from f128 arguments and record
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/// this.
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void MipsCCState::PreAnalyzeFormalArgumentsForF128(
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const SmallVectorImpl<ISD::InputArg> &Ins) {
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const MachineFunction &MF = getMachineFunction();
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for (unsigned i = 0; i < Ins.size(); ++i) {
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Function::const_arg_iterator FuncArg = MF.getFunction()->arg_begin();
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// SRet arguments cannot originate from f128 or {f128} returns so we just
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// push false. We have to handle this specially since SRet arguments
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// aren't mapped to an original argument.
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if (Ins[i].Flags.isSRet()) {
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OriginalArgWasF128.push_back(false);
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continue;
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}
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assert(Ins[i].OrigArgIndex < MF.getFunction()->arg_size());
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std::advance(FuncArg, Ins[i].OrigArgIndex);
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OriginalArgWasF128.push_back(
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originalTypeIsF128(FuncArg->getType(), nullptr));
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}
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}
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125
lib/Target/Mips/MipsCCState.h
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125
lib/Target/Mips/MipsCCState.h
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@ -0,0 +1,125 @@
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//===---- MipsCCState.h - CCState with Mips specific extensions -----------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef MIPSCCSTATE_H
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#define MIPSCCSTATE_H
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/CodeGen/CallingConvLower.h"
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#include "MipsISelLowering.h"
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namespace llvm {
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class SDNode;
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class MipsSubtarget;
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class MipsCCState : public CCState {
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public:
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enum SpecialCallingConvType { Mips16RetHelperConv, NoSpecialCallingConv };
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/// Determine the SpecialCallingConvType for the given callee
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static SpecialCallingConvType
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getSpecialCallingConvForCallee(const SDNode *Callee,
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const MipsSubtarget &Subtarget);
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private:
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/// Identify lowered values that originated from f128 arguments and record
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/// this for use by RetCC_MipsN.
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void PreAnalyzeCallResultForF128(const SmallVectorImpl<ISD::InputArg> &Ins,
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const TargetLowering::CallLoweringInfo &CLI);
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/// Identify lowered values that originated from f128 arguments and record
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/// this for use by RetCC_MipsN.
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void PreAnalyzeReturnForF128(const SmallVectorImpl<ISD::OutputArg> &Outs);
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/// Identify lowered values that originated from f128 arguments and record
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/// this.
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void
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PreAnalyzeCallOperands(const SmallVectorImpl<ISD::OutputArg> &Outs,
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std::vector<TargetLowering::ArgListEntry> &FuncArgs,
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const SDNode *CallNode);
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/// Identify lowered values that originated from f128 arguments and record
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/// this.
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void
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PreAnalyzeFormalArgumentsForF128(const SmallVectorImpl<ISD::InputArg> &Ins);
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/// Records whether the value has been lowered from an f128.
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SmallVector<bool, 4> OriginalArgWasF128;
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/// Records whether the value was a fixed argument.
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/// See ISD::OutputArg::IsFixed,
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SmallVector<bool, 4> CallOperandIsFixed;
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// Used to handle MIPS16-specific calling convention tweaks.
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// FIXME: This should probably be a fully fledged calling convention.
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SpecialCallingConvType SpecialCallingConv;
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public:
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MipsCCState(CallingConv::ID CC, bool isVarArg, MachineFunction &MF,
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SmallVectorImpl<CCValAssign> &locs, LLVMContext &C,
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SpecialCallingConvType SpecialCC = NoSpecialCallingConv)
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: CCState(CC, isVarArg, MF, locs, C), SpecialCallingConv(SpecialCC) {}
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void
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AnalyzeCallOperands(const SmallVectorImpl<ISD::OutputArg> &Outs,
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CCAssignFn Fn,
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std::vector<TargetLowering::ArgListEntry> &FuncArgs,
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const SDNode *CallNode) {
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PreAnalyzeCallOperands(Outs, FuncArgs, CallNode);
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CCState::AnalyzeCallOperands(Outs, Fn);
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OriginalArgWasF128.clear();
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CallOperandIsFixed.clear();
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}
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// The AnalyzeCallOperands in the base class is not usable since we must
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// provide a means of accessing ArgListEntry::IsFixed. Delete them from this
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// class. This doesn't stop them being used via the base class though.
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void AnalyzeCallOperands(const SmallVectorImpl<ISD::OutputArg> &Outs,
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CCAssignFn Fn) = delete;
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void AnalyzeCallOperands(const SmallVectorImpl<MVT> &Outs,
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SmallVectorImpl<ISD::ArgFlagsTy> &Flags,
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CCAssignFn Fn) = delete;
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void AnalyzeFormalArguments(const SmallVectorImpl<ISD::InputArg> &Ins,
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CCAssignFn Fn) {
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PreAnalyzeFormalArgumentsForF128(Ins);
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CCState::AnalyzeFormalArguments(Ins, Fn);
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OriginalArgWasF128.clear();
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}
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void AnalyzeCallResult(const SmallVectorImpl<ISD::InputArg> &Ins,
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CCAssignFn Fn,
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const TargetLowering::CallLoweringInfo &CLI) {
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PreAnalyzeCallResultForF128(Ins, CLI);
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CCState::AnalyzeCallResult(Ins, Fn);
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OriginalArgWasF128.clear();
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}
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void AnalyzeReturn(const SmallVectorImpl<ISD::OutputArg> &Outs,
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CCAssignFn Fn) {
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PreAnalyzeReturnForF128(Outs);
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CCState::AnalyzeReturn(Outs, Fn);
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OriginalArgWasF128.clear();
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}
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bool CheckReturn(const SmallVectorImpl<ISD::OutputArg> &ArgsFlags,
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CCAssignFn Fn) {
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PreAnalyzeReturnForF128(ArgsFlags);
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bool Return = CCState::CheckReturn(ArgsFlags, Fn);
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OriginalArgWasF128.clear();
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return Return;
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}
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bool WasOriginalArgF128(unsigned ValNo) { return OriginalArgWasF128[ValNo]; }
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bool IsCallOperandFixed(unsigned ValNo) { return CallOperandIsFixed[ValNo]; }
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SpecialCallingConvType getSpecialCallingConv() { return SpecialCallingConv; }
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};
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}
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#endif
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@ -14,6 +14,7 @@
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#include "MipsISelLowering.h"
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#include "MipsISelLowering.h"
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#include "InstPrinter/MipsInstPrinter.h"
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#include "InstPrinter/MipsInstPrinter.h"
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#include "MCTargetDesc/MipsBaseInfo.h"
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#include "MCTargetDesc/MipsBaseInfo.h"
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#include "MipsCCState.h"
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#include "MipsMachineFunction.h"
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#include "MipsMachineFunction.h"
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#include "MipsSubtarget.h"
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#include "MipsSubtarget.h"
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#include "MipsTargetMachine.h"
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#include "MipsTargetMachine.h"
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@ -62,161 +63,6 @@ static const MCPhysReg Mips64DPRegs[8] = {
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Mips::D16_64, Mips::D17_64, Mips::D18_64, Mips::D19_64
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Mips::D16_64, Mips::D17_64, Mips::D18_64, Mips::D19_64
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};
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};
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static bool originalTypeIsF128(const Type *Ty, const SDNode *CallNode);
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namespace {
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class MipsCCState : public CCState {
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public:
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enum SpecialCallingConvType { Mips16RetHelperConv, NoSpecialCallingConv };
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/// Determine the SpecialCallingConvType for the given callee
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static SpecialCallingConvType
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getSpecialCallingConvForCallee(const SDNode *Callee,
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const MipsSubtarget &Subtarget) {
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SpecialCallingConvType SpecialCallingConv = NoSpecialCallingConv;
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if (Subtarget.inMips16HardFloat()) {
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if (const GlobalAddressSDNode *G =
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dyn_cast<const GlobalAddressSDNode>(Callee)) {
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llvm::StringRef Sym = G->getGlobal()->getName();
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Function *F = G->getGlobal()->getParent()->getFunction(Sym);
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if (F && F->hasFnAttribute("__Mips16RetHelper")) {
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SpecialCallingConv = Mips16RetHelperConv;
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}
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}
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}
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return SpecialCallingConv;
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}
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private:
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/// Identify lowered values that originated from f128 arguments and record
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/// this for use by RetCC_MipsN.
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void
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PreAnalyzeCallResultForF128(const SmallVectorImpl<ISD::InputArg> &Ins,
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const TargetLowering::CallLoweringInfo &CLI) {
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for (unsigned i = 0; i < Ins.size(); ++i)
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OriginalArgWasF128.push_back(
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originalTypeIsF128(CLI.RetTy, CLI.Callee.getNode()));
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}
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/// Identify lowered values that originated from f128 arguments and record
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/// this for use by RetCC_MipsN.
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void PreAnalyzeReturnForF128(const SmallVectorImpl<ISD::OutputArg> &Outs) {
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const MachineFunction &MF = getMachineFunction();
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for (unsigned i = 0; i < Outs.size(); ++i)
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OriginalArgWasF128.push_back(
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originalTypeIsF128(MF.getFunction()->getReturnType(), nullptr));
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}
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/// Identify lowered values that originated from f128 arguments and record
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/// this.
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void PreAnalyzeCallOperands(
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const SmallVectorImpl<ISD::OutputArg> &Outs,
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std::vector<TargetLowering::ArgListEntry> &FuncArgs,
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const SDNode *CallNode) {
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for (unsigned i = 0; i < Outs.size(); ++i) {
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OriginalArgWasF128.push_back(
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originalTypeIsF128(FuncArgs[Outs[i].OrigArgIndex].Ty, CallNode));
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CallOperandIsFixed.push_back(Outs[i].IsFixed);
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}
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}
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/// Identify lowered values that originated from f128 arguments and record
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/// this.
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void
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|
||||||
PreAnalyzeFormalArgumentsForF128(const SmallVectorImpl<ISD::InputArg> &Ins) {
|
|
||||||
const MachineFunction &MF = getMachineFunction();
|
|
||||||
for (unsigned i = 0; i < Ins.size(); ++i) {
|
|
||||||
Function::const_arg_iterator FuncArg = MF.getFunction()->arg_begin();
|
|
||||||
|
|
||||||
// SRet arguments cannot originate from f128 or {f128} returns so we just
|
|
||||||
// push false. We have to handle this specially since SRet arguments
|
|
||||||
// aren't mapped to an original argument.
|
|
||||||
if (Ins[i].Flags.isSRet()) {
|
|
||||||
OriginalArgWasF128.push_back(false);
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
assert(Ins[i].OrigArgIndex < MF.getFunction()->arg_size());
|
|
||||||
std::advance(FuncArg, Ins[i].OrigArgIndex);
|
|
||||||
OriginalArgWasF128.push_back(
|
|
||||||
originalTypeIsF128(FuncArg->getType(), nullptr));
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Records whether the value has been lowered from an f128.
|
|
||||||
SmallVector<bool, 4> OriginalArgWasF128;
|
|
||||||
|
|
||||||
/// Records whether the value was a fixed argument.
|
|
||||||
/// See ISD::OutputArg::IsFixed,
|
|
||||||
SmallVector<bool, 4> CallOperandIsFixed;
|
|
||||||
|
|
||||||
// Used to handle MIPS16-specific calling convention tweaks.
|
|
||||||
// FIXME: This should probably be a fully fledged calling convention.
|
|
||||||
SpecialCallingConvType SpecialCallingConv;
|
|
||||||
|
|
||||||
public:
|
|
||||||
|
|
||||||
MipsCCState(CallingConv::ID CC, bool isVarArg, MachineFunction &MF,
|
|
||||||
SmallVectorImpl<CCValAssign> &locs, LLVMContext &C,
|
|
||||||
SpecialCallingConvType SpecialCC = NoSpecialCallingConv)
|
|
||||||
: CCState(CC, isVarArg, MF, locs, C), SpecialCallingConv(SpecialCC) {}
|
|
||||||
|
|
||||||
void
|
|
||||||
AnalyzeCallOperands(const SmallVectorImpl<ISD::OutputArg> &Outs,
|
|
||||||
CCAssignFn Fn,
|
|
||||||
std::vector<TargetLowering::ArgListEntry> &FuncArgs,
|
|
||||||
const SDNode *CallNode) {
|
|
||||||
PreAnalyzeCallOperands(Outs, FuncArgs, CallNode);
|
|
||||||
CCState::AnalyzeCallOperands(Outs, Fn);
|
|
||||||
OriginalArgWasF128.clear();
|
|
||||||
CallOperandIsFixed.clear();
|
|
||||||
}
|
|
||||||
|
|
||||||
// The AnalyzeCallOperands in the base class is not usable since we must
|
|
||||||
// provide a means of accessing ArgListEntry::IsFixed. Delete them from this
|
|
||||||
// class. This doesn't stop them being used via the base class though.
|
|
||||||
void AnalyzeCallOperands(const SmallVectorImpl<ISD::OutputArg> &Outs,
|
|
||||||
CCAssignFn Fn) = delete;
|
|
||||||
void AnalyzeCallOperands(const SmallVectorImpl<MVT> &Outs,
|
|
||||||
SmallVectorImpl<ISD::ArgFlagsTy> &Flags,
|
|
||||||
CCAssignFn Fn) = delete;
|
|
||||||
|
|
||||||
void AnalyzeFormalArguments(const SmallVectorImpl<ISD::InputArg> &Ins,
|
|
||||||
CCAssignFn Fn) {
|
|
||||||
PreAnalyzeFormalArgumentsForF128(Ins);
|
|
||||||
CCState::AnalyzeFormalArguments(Ins, Fn);
|
|
||||||
OriginalArgWasF128.clear();
|
|
||||||
}
|
|
||||||
|
|
||||||
void AnalyzeCallResult(const SmallVectorImpl<ISD::InputArg> &Ins,
|
|
||||||
CCAssignFn Fn,
|
|
||||||
const TargetLowering::CallLoweringInfo &CLI) {
|
|
||||||
PreAnalyzeCallResultForF128(Ins, CLI);
|
|
||||||
CCState::AnalyzeCallResult(Ins, Fn);
|
|
||||||
OriginalArgWasF128.clear();
|
|
||||||
}
|
|
||||||
|
|
||||||
void AnalyzeReturn(const SmallVectorImpl<ISD::OutputArg> &Outs,
|
|
||||||
CCAssignFn Fn) {
|
|
||||||
PreAnalyzeReturnForF128(Outs);
|
|
||||||
CCState::AnalyzeReturn(Outs, Fn);
|
|
||||||
OriginalArgWasF128.clear();
|
|
||||||
}
|
|
||||||
|
|
||||||
bool CheckReturn(const SmallVectorImpl<ISD::OutputArg> &ArgsFlags,
|
|
||||||
CCAssignFn Fn) {
|
|
||||||
PreAnalyzeReturnForF128(ArgsFlags);
|
|
||||||
bool Return = CCState::CheckReturn(ArgsFlags, Fn);
|
|
||||||
OriginalArgWasF128.clear();
|
|
||||||
return Return;
|
|
||||||
}
|
|
||||||
|
|
||||||
bool WasOriginalArgF128(unsigned ValNo) { return OriginalArgWasF128[ValNo]; }
|
|
||||||
bool IsCallOperandFixed(unsigned ValNo) { return CallOperandIsFixed[ValNo]; }
|
|
||||||
SpecialCallingConvType getSpecialCallingConv() { return SpecialCallingConv; }
|
|
||||||
};
|
|
||||||
}
|
|
||||||
|
|
||||||
// If I is a shifted mask, set the size (Size) and the first bit of the
|
// If I is a shifted mask, set the size (Size) and the first bit of the
|
||||||
// mask (Pos), and return true.
|
// mask (Pos), and return true.
|
||||||
// For example, if I is 0x003ff800, (Pos, Size) = (11, 11).
|
// For example, if I is 0x003ff800, (Pos, Size) = (11, 11).
|
||||||
@ -3563,50 +3409,6 @@ unsigned MipsTargetLowering::getJumpTableEncoding() const {
|
|||||||
return TargetLowering::getJumpTableEncoding();
|
return TargetLowering::getJumpTableEncoding();
|
||||||
}
|
}
|
||||||
|
|
||||||
/// This function returns true if CallSym is a long double emulation routine.
|
|
||||||
static bool isF128SoftLibCall(const char *CallSym) {
|
|
||||||
const char *const LibCalls[] =
|
|
||||||
{"__addtf3", "__divtf3", "__eqtf2", "__extenddftf2", "__extendsftf2",
|
|
||||||
"__fixtfdi", "__fixtfsi", "__fixtfti", "__fixunstfdi", "__fixunstfsi",
|
|
||||||
"__fixunstfti", "__floatditf", "__floatsitf", "__floattitf",
|
|
||||||
"__floatunditf", "__floatunsitf", "__floatuntitf", "__getf2", "__gttf2",
|
|
||||||
"__letf2", "__lttf2", "__multf3", "__netf2", "__powitf2", "__subtf3",
|
|
||||||
"__trunctfdf2", "__trunctfsf2", "__unordtf2",
|
|
||||||
"ceill", "copysignl", "cosl", "exp2l", "expl", "floorl", "fmal", "fmodl",
|
|
||||||
"log10l", "log2l", "logl", "nearbyintl", "powl", "rintl", "sinl", "sqrtl",
|
|
||||||
"truncl"};
|
|
||||||
|
|
||||||
const char *const *End = LibCalls + array_lengthof(LibCalls);
|
|
||||||
|
|
||||||
// Check that LibCalls is sorted alphabetically.
|
|
||||||
MipsTargetLowering::LTStr Comp;
|
|
||||||
|
|
||||||
#ifndef NDEBUG
|
|
||||||
for (const char *const *I = LibCalls; I < End - 1; ++I)
|
|
||||||
assert(Comp(*I, *(I + 1)));
|
|
||||||
#endif
|
|
||||||
|
|
||||||
return std::binary_search(LibCalls, End, CallSym, Comp);
|
|
||||||
}
|
|
||||||
|
|
||||||
/// This function returns true if Ty is fp128, {f128} or i128 which was
|
|
||||||
/// originally a fp128.
|
|
||||||
static bool originalTypeIsF128(const Type *Ty, const SDNode *CallNode) {
|
|
||||||
if (Ty->isFP128Ty())
|
|
||||||
return true;
|
|
||||||
|
|
||||||
if (Ty->isStructTy() && Ty->getStructNumElements() == 1 &&
|
|
||||||
Ty->getStructElementType(0)->isFP128Ty())
|
|
||||||
return true;
|
|
||||||
|
|
||||||
const ExternalSymbolSDNode *ES =
|
|
||||||
dyn_cast_or_null<const ExternalSymbolSDNode>(CallNode);
|
|
||||||
|
|
||||||
// If the Ty is i128 and the function being called is a long double emulation
|
|
||||||
// routine, then the original type is f128.
|
|
||||||
return (ES && Ty->isIntegerTy(128) && isF128SoftLibCall(ES->getSymbol()));
|
|
||||||
}
|
|
||||||
|
|
||||||
MipsTargetLowering::MipsCC::MipsCC(CallingConv::ID CC,
|
MipsTargetLowering::MipsCC::MipsCC(CallingConv::ID CC,
|
||||||
const MipsSubtarget &Subtarget_,
|
const MipsSubtarget &Subtarget_,
|
||||||
CCState &Info)
|
CCState &Info)
|
||||||
|
Loading…
Reference in New Issue
Block a user