[Mips] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC).
llvm-svn: 293565
This commit is contained in:
Eugene Zelenko
parent
365c9bd941
commit
dde94e4c4f
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@ -7,47 +7,67 @@
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//
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//===----------------------------------------------------------------------===//
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#include "MCTargetDesc/MipsABIFlagsSection.h"
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#include "MCTargetDesc/MipsABIInfo.h"
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#include "MCTargetDesc/MipsMCExpr.h"
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#include "MCTargetDesc/MipsMCTargetDesc.h"
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#include "MipsRegisterInfo.h"
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#include "MipsTargetObjectFile.h"
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#include "MipsTargetStreamer.h"
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#include "MCTargetDesc/MipsBaseInfo.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/ADT/Twine.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/MC/MCExpr.h"
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#include "llvm/MC/MCInst.h"
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#include "llvm/MC/MCInstBuilder.h"
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#include "llvm/MC/MCInstrDesc.h"
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#include "llvm/MC/MCObjectFileInfo.h"
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#include "llvm/MC/MCParser/MCAsmLexer.h"
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#include "llvm/MC/MCParser/MCAsmParser.h"
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#include "llvm/MC/MCParser/MCAsmParserExtension.h"
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#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
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#include "llvm/MC/MCParser/MCTargetAsmParser.h"
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#include "llvm/MC/MCSectionELF.h"
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#include "llvm/MC/MCStreamer.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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#include "llvm/MC/MCSymbol.h"
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#include "llvm/MC/MCSymbolELF.h"
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#include "llvm/MC/MCValue.h"
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#include "llvm/MC/SubtargetFeature.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/ELF.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/MathExtras.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/Support/SMLoc.h"
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#include "llvm/Support/SourceMgr.h"
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#include "llvm/Support/TargetRegistry.h"
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#include "llvm/Support/raw_ostream.h"
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#include <algorithm>
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#include <cassert>
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#include <cstdint>
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#include <memory>
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#include <string>
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#include <utility>
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using namespace llvm;
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#define DEBUG_TYPE "mips-asm-parser"
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namespace llvm {
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class MCInstrInfo;
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}
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} // end namespace llvm
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namespace {
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class MipsAssemblerOptions {
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public:
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MipsAssemblerOptions(const FeatureBitset &Features_) :
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ATReg(1), Reorder(true), Macro(true), Features(Features_) {}
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MipsAssemblerOptions(const FeatureBitset &Features_) : Features(Features_) {}
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MipsAssemblerOptions(const MipsAssemblerOptions *Opts) {
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ATReg = Opts->getATRegIndex();
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@ -84,12 +104,13 @@ public:
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static const FeatureBitset AllArchRelatedMask;
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private:
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unsigned ATReg;
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bool Reorder;
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bool Macro;
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unsigned ATReg = 1;
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bool Reorder = true;
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bool Macro = true;
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FeatureBitset Features;
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};
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}
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} // end anonymous namespace
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const FeatureBitset MipsAssemblerOptions::AllArchRelatedMask = {
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Mips::FeatureMips1, Mips::FeatureMips2, Mips::FeatureMips3,
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@ -103,6 +124,7 @@ const FeatureBitset MipsAssemblerOptions::AllArchRelatedMask = {
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};
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namespace {
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class MipsAsmParser : public MCTargetAsmParser {
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MipsTargetStreamer &getTargetStreamer() {
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MCTargetStreamer &TS = *getParser().getStreamer().getTargetStreamer();
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@ -466,9 +488,11 @@ public:
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bool isGP64bit() const {
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return getSTI().getFeatureBits()[Mips::FeatureGP64Bit];
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}
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bool isFP64bit() const {
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return getSTI().getFeatureBits()[Mips::FeatureFP64Bit];
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}
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const MipsABIInfo &getABI() const { return ABI; }
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bool isABI_N32() const { return ABI.IsN32(); }
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bool isABI_N64() const { return ABI.IsN64(); }
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@ -484,48 +508,63 @@ public:
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bool inMicroMipsMode() const {
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return getSTI().getFeatureBits()[Mips::FeatureMicroMips];
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}
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bool hasMips1() const {
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return getSTI().getFeatureBits()[Mips::FeatureMips1];
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}
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bool hasMips2() const {
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return getSTI().getFeatureBits()[Mips::FeatureMips2];
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}
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bool hasMips3() const {
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return getSTI().getFeatureBits()[Mips::FeatureMips3];
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}
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bool hasMips4() const {
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return getSTI().getFeatureBits()[Mips::FeatureMips4];
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}
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bool hasMips5() const {
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return getSTI().getFeatureBits()[Mips::FeatureMips5];
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}
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bool hasMips32() const {
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return getSTI().getFeatureBits()[Mips::FeatureMips32];
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}
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bool hasMips64() const {
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return getSTI().getFeatureBits()[Mips::FeatureMips64];
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}
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bool hasMips32r2() const {
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return getSTI().getFeatureBits()[Mips::FeatureMips32r2];
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}
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bool hasMips64r2() const {
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return getSTI().getFeatureBits()[Mips::FeatureMips64r2];
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}
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bool hasMips32r3() const {
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return (getSTI().getFeatureBits()[Mips::FeatureMips32r3]);
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}
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bool hasMips64r3() const {
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return (getSTI().getFeatureBits()[Mips::FeatureMips64r3]);
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}
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bool hasMips32r5() const {
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return (getSTI().getFeatureBits()[Mips::FeatureMips32r5]);
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}
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bool hasMips64r5() const {
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return (getSTI().getFeatureBits()[Mips::FeatureMips64r5]);
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}
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bool hasMips32r6() const {
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return getSTI().getFeatureBits()[Mips::FeatureMips32r6];
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}
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bool hasMips64r6() const {
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return getSTI().getFeatureBits()[Mips::FeatureMips64r6];
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}
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@ -533,15 +572,19 @@ public:
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bool hasDSP() const {
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return getSTI().getFeatureBits()[Mips::FeatureDSP];
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}
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bool hasDSPR2() const {
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return getSTI().getFeatureBits()[Mips::FeatureDSPR2];
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}
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bool hasDSPR3() const {
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return getSTI().getFeatureBits()[Mips::FeatureDSPR3];
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}
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bool hasMSA() const {
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return getSTI().getFeatureBits()[Mips::FeatureMSA];
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}
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bool hasCnMips() const {
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return (getSTI().getFeatureBits()[Mips::FeatureCnMips]);
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}
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@ -627,9 +670,6 @@ public:
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}
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}
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};
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}
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namespace {
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/// MipsOperand - Instances of this class represent a parsed Mips machine
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/// instruction.
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@ -671,6 +711,22 @@ public:
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MipsOperand(KindTy K, MipsAsmParser &Parser)
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: MCParsedAsmOperand(), Kind(K), AsmParser(Parser) {}
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~MipsOperand() override {
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switch (Kind) {
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case k_Immediate:
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break;
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case k_Memory:
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delete Mem.Base;
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break;
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case k_RegList:
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delete RegList.List;
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case k_RegisterIndex:
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case k_Token:
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case k_RegPair:
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break;
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}
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}
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private:
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/// For diagnostics, and checking the assembler temporary
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MipsAsmParser &AsmParser;
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@ -716,7 +772,7 @@ private:
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const MCRegisterInfo *RegInfo,
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SMLoc S, SMLoc E,
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MipsAsmParser &Parser) {
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auto Op = make_unique<MipsOperand>(k_RegisterIndex, Parser);
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auto Op = llvm::make_unique<MipsOperand>(k_RegisterIndex, Parser);
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Op->RegIdx.Index = Index;
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Op->RegIdx.RegInfo = RegInfo;
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Op->RegIdx.Kind = RegKind;
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@ -1104,45 +1160,58 @@ public:
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// $0/$zero here so that MCK_ZERO works correctly.
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return isGPRAsmReg() && RegIdx.Index == 0;
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}
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bool isRegIdx() const { return Kind == k_RegisterIndex; }
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bool isImm() const override { return Kind == k_Immediate; }
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bool isConstantImm() const {
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int64_t Res;
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return isImm() && getImm()->evaluateAsAbsolute(Res);
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}
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bool isConstantImmz() const {
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return isConstantImm() && getConstantImm() == 0;
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}
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template <unsigned Bits, int Offset = 0> bool isConstantUImm() const {
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return isConstantImm() && isUInt<Bits>(getConstantImm() - Offset);
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}
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template <unsigned Bits> bool isSImm() const {
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return isConstantImm() ? isInt<Bits>(getConstantImm()) : isImm();
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}
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template <unsigned Bits> bool isUImm() const {
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return isConstantImm() ? isUInt<Bits>(getConstantImm()) : isImm();
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}
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template <unsigned Bits> bool isAnyImm() const {
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return isConstantImm() ? (isInt<Bits>(getConstantImm()) ||
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isUInt<Bits>(getConstantImm()))
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: isImm();
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}
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template <unsigned Bits, int Offset = 0> bool isConstantSImm() const {
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return isConstantImm() && isInt<Bits>(getConstantImm() - Offset);
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}
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template <unsigned Bottom, unsigned Top> bool isConstantUImmRange() const {
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return isConstantImm() && getConstantImm() >= Bottom &&
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getConstantImm() <= Top;
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}
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bool isToken() const override {
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// Note: It's not possible to pretend that other operand kinds are tokens.
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// The matcher emitter checks tokens first.
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return Kind == k_Token;
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}
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bool isMem() const override { return Kind == k_Memory; }
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bool isConstantMemOff() const {
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return isMem() && isa<MCConstantExpr>(getMemOff());
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}
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// Allow relocation operators.
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// FIXME: This predicate and others need to look through binary expressions
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// and determine whether a Value is a constant or not.
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@ -1160,28 +1229,34 @@ public:
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bool IsReloc = getMemOff()->evaluateAsRelocatable(Res, nullptr, nullptr);
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return IsReloc && isShiftedInt<Bits, ShiftAmount>(Res.getConstant());
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}
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bool isMemWithGRPMM16Base() const {
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return isMem() && getMemBase()->isMM16AsmReg();
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}
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template <unsigned Bits> bool isMemWithUimmOffsetSP() const {
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return isMem() && isConstantMemOff() && isUInt<Bits>(getConstantMemOff())
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&& getMemBase()->isRegIdx() && (getMemBase()->getGPR32Reg() == Mips::SP);
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}
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template <unsigned Bits> bool isMemWithUimmWordAlignedOffsetSP() const {
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return isMem() && isConstantMemOff() && isUInt<Bits>(getConstantMemOff())
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&& (getConstantMemOff() % 4 == 0) && getMemBase()->isRegIdx()
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&& (getMemBase()->getGPR32Reg() == Mips::SP);
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}
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template <unsigned Bits> bool isMemWithSimmWordAlignedOffsetGP() const {
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return isMem() && isConstantMemOff() && isInt<Bits>(getConstantMemOff())
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&& (getConstantMemOff() % 4 == 0) && getMemBase()->isRegIdx()
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&& (getMemBase()->getGPR32Reg() == Mips::GP);
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}
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template <unsigned Bits, unsigned ShiftLeftAmount>
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bool isScaledUImm() const {
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return isConstantImm() &&
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isShiftedUInt<Bits, ShiftLeftAmount>(getConstantImm());
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}
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template <unsigned Bits, unsigned ShiftLeftAmount>
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bool isScaledSImm() const {
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if (isConstantImm() && isShiftedInt<Bits, ShiftLeftAmount>(getConstantImm()))
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@ -1193,6 +1268,7 @@ public:
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bool Success = getImm()->evaluateAsRelocatable(Res, nullptr, nullptr);
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return Success && isShiftedInt<Bits, ShiftLeftAmount>(Res.getConstant());
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}
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bool isRegList16() const {
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if (!isRegList())
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return false;
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@ -1217,14 +1293,18 @@ public:
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return true;
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}
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bool isInvNum() const { return Kind == k_Immediate; }
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bool isLSAImm() const {
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if (!isConstantImm())
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return false;
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int64_t Val = getConstantImm();
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return 1 <= Val && Val <= 4;
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}
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bool isRegList() const { return Kind == k_RegList; }
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bool isMovePRegPair() const {
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if (Kind != k_RegList || RegList.List->size() != 2)
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return false;
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@ -1257,6 +1337,7 @@ public:
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assert(Kind == k_Token && "Invalid access!");
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return StringRef(Tok.Data, Tok.Length);
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}
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bool isRegPair() const {
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return Kind == k_RegPair && RegIdx.Index <= 30;
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}
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@ -1310,7 +1391,7 @@ public:
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static std::unique_ptr<MipsOperand> CreateToken(StringRef Str, SMLoc S,
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MipsAsmParser &Parser) {
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auto Op = make_unique<MipsOperand>(k_Token, Parser);
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auto Op = llvm::make_unique<MipsOperand>(k_Token, Parser);
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Op->Tok.Data = Str.data();
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Op->Tok.Length = Str.size();
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Op->StartLoc = S;
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@ -1385,7 +1466,7 @@ public:
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static std::unique_ptr<MipsOperand>
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CreateImm(const MCExpr *Val, SMLoc S, SMLoc E, MipsAsmParser &Parser) {
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auto Op = make_unique<MipsOperand>(k_Immediate, Parser);
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auto Op = llvm::make_unique<MipsOperand>(k_Immediate, Parser);
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Op->Imm.Val = Val;
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Op->StartLoc = S;
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Op->EndLoc = E;
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@ -1395,7 +1476,7 @@ public:
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static std::unique_ptr<MipsOperand>
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CreateMem(std::unique_ptr<MipsOperand> Base, const MCExpr *Off, SMLoc S,
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SMLoc E, MipsAsmParser &Parser) {
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auto Op = make_unique<MipsOperand>(k_Memory, Parser);
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auto Op = llvm::make_unique<MipsOperand>(k_Memory, Parser);
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Op->Mem.Base = Base.release();
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Op->Mem.Off = Off;
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Op->StartLoc = S;
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@ -1408,7 +1489,7 @@ public:
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MipsAsmParser &Parser) {
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assert(Regs.size() > 0 && "Empty list not allowed");
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auto Op = make_unique<MipsOperand>(k_RegList, Parser);
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auto Op = llvm::make_unique<MipsOperand>(k_RegList, Parser);
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Op->RegList.List = new SmallVector<unsigned, 10>(Regs.begin(), Regs.end());
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Op->StartLoc = StartLoc;
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Op->EndLoc = EndLoc;
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@ -1418,7 +1499,7 @@ public:
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static std::unique_ptr<MipsOperand> CreateRegPair(const MipsOperand &MOP,
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SMLoc S, SMLoc E,
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MipsAsmParser &Parser) {
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auto Op = make_unique<MipsOperand>(k_RegPair, Parser);
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auto Op = llvm::make_unique<MipsOperand>(k_RegPair, Parser);
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Op->RegIdx.Index = MOP.RegIdx.Index;
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Op->RegIdx.RegInfo = MOP.RegIdx.RegInfo;
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Op->RegIdx.Kind = MOP.RegIdx.Kind;
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@ -1430,11 +1511,13 @@ public:
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bool isGPRAsmReg() const {
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return isRegIdx() && RegIdx.Kind & RegKind_GPR && RegIdx.Index <= 31;
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}
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bool isMM16AsmReg() const {
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if (!(isRegIdx() && RegIdx.Kind))
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return false;
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return ((RegIdx.Index >= 2 && RegIdx.Index <= 7)
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|| RegIdx.Index == 16 || RegIdx.Index == 17);
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}
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bool isMM16AsmRegZero() const {
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if (!(isRegIdx() && RegIdx.Kind))
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@ -1443,42 +1526,53 @@ public:
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(RegIdx.Index >= 2 && RegIdx.Index <= 7) ||
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RegIdx.Index == 17);
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}
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bool isMM16AsmRegMoveP() const {
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if (!(isRegIdx() && RegIdx.Kind))
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return false;
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return (RegIdx.Index == 0 || (RegIdx.Index >= 2 && RegIdx.Index <= 3) ||
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(RegIdx.Index >= 16 && RegIdx.Index <= 20));
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}
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bool isFGRAsmReg() const {
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// AFGR64 is $0-$15 but we handle this in getAFGR64()
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return isRegIdx() && RegIdx.Kind & RegKind_FGR && RegIdx.Index <= 31;
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}
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bool isHWRegsAsmReg() const {
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return isRegIdx() && RegIdx.Kind & RegKind_HWRegs && RegIdx.Index <= 31;
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}
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bool isCCRAsmReg() const {
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return isRegIdx() && RegIdx.Kind & RegKind_CCR && RegIdx.Index <= 31;
|
||||
}
|
||||
|
||||
bool isFCCAsmReg() const {
|
||||
if (!(isRegIdx() && RegIdx.Kind & RegKind_FCC))
|
||||
return false;
|
||||
return RegIdx.Index <= 7;
|
||||
}
|
||||
|
||||
bool isACCAsmReg() const {
|
||||
return isRegIdx() && RegIdx.Kind & RegKind_ACC && RegIdx.Index <= 3;
|
||||
}
|
||||
|
||||
bool isCOP0AsmReg() const {
|
||||
return isRegIdx() && RegIdx.Kind & RegKind_COP0 && RegIdx.Index <= 31;
|
||||
}
|
||||
|
||||
bool isCOP2AsmReg() const {
|
||||
return isRegIdx() && RegIdx.Kind & RegKind_COP2 && RegIdx.Index <= 31;
|
||||
}
|
||||
|
||||
bool isCOP3AsmReg() const {
|
||||
return isRegIdx() && RegIdx.Kind & RegKind_COP3 && RegIdx.Index <= 31;
|
||||
}
|
||||
|
||||
bool isMSA128AsmReg() const {
|
||||
return isRegIdx() && RegIdx.Kind & RegKind_MSA128 && RegIdx.Index <= 31;
|
||||
}
|
||||
|
||||
bool isMSACtrlAsmReg() const {
|
||||
return isRegIdx() && RegIdx.Kind & RegKind_MSACtrl && RegIdx.Index <= 7;
|
||||
}
|
||||
|
|
@ -1488,22 +1582,6 @@ public:
|
|||
/// getEndLoc - Get the location of the last token of this operand.
|
||||
SMLoc getEndLoc() const override { return EndLoc; }
|
||||
|
||||
virtual ~MipsOperand() {
|
||||
switch (Kind) {
|
||||
case k_Immediate:
|
||||
break;
|
||||
case k_Memory:
|
||||
delete Mem.Base;
|
||||
break;
|
||||
case k_RegList:
|
||||
delete RegList.List;
|
||||
case k_RegisterIndex:
|
||||
case k_Token:
|
||||
case k_RegPair:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void print(raw_ostream &OS) const override {
|
||||
switch (Kind) {
|
||||
case k_Immediate:
|
||||
|
|
@ -1553,11 +1631,15 @@ public:
|
|||
}
|
||||
}
|
||||
}; // class MipsOperand
|
||||
} // namespace
|
||||
|
||||
} // end anonymous namespace
|
||||
|
||||
namespace llvm {
|
||||
|
||||
extern const MCInstrDesc MipsInsts[];
|
||||
}
|
||||
|
||||
} // end namespace llvm
|
||||
|
||||
static const MCInstrDesc &getInstDesc(unsigned Opcode) {
|
||||
return MipsInsts[Opcode];
|
||||
}
|
||||
|
|
@ -3578,7 +3660,6 @@ bool MipsAsmParser::expandRotation(MCInst &Inst, SMLoc IDLoc, MCStreamer &Out,
|
|||
unsigned SecondShift = Mips::NOP;
|
||||
|
||||
if (hasMips32r2()) {
|
||||
|
||||
if (DReg == SReg) {
|
||||
TmpReg = getATReg(Inst.getLoc());
|
||||
if (!TmpReg)
|
||||
|
|
@ -3600,7 +3681,6 @@ bool MipsAsmParser::expandRotation(MCInst &Inst, SMLoc IDLoc, MCStreamer &Out,
|
|||
}
|
||||
|
||||
if (hasMips32()) {
|
||||
|
||||
switch (Inst.getOpcode()) {
|
||||
default:
|
||||
llvm_unreachable("unexpected instruction opcode");
|
||||
|
|
@ -3642,7 +3722,6 @@ bool MipsAsmParser::expandRotationImm(MCInst &Inst, SMLoc IDLoc,
|
|||
unsigned SecondShift = Mips::NOP;
|
||||
|
||||
if (hasMips32r2()) {
|
||||
|
||||
if (Inst.getOpcode() == Mips::ROLImm) {
|
||||
uint64_t MaxShift = 32;
|
||||
uint64_t ShiftValue = ImmValue;
|
||||
|
|
@ -3661,7 +3740,6 @@ bool MipsAsmParser::expandRotationImm(MCInst &Inst, SMLoc IDLoc,
|
|||
}
|
||||
|
||||
if (hasMips32()) {
|
||||
|
||||
if (ImmValue == 0) {
|
||||
TOut.emitRRI(Mips::SRL, DReg, SReg, 0, Inst.getLoc(), STI);
|
||||
return false;
|
||||
|
|
@ -3707,7 +3785,6 @@ bool MipsAsmParser::expandDRotation(MCInst &Inst, SMLoc IDLoc, MCStreamer &Out,
|
|||
unsigned SecondShift = Mips::NOP;
|
||||
|
||||
if (hasMips64r2()) {
|
||||
|
||||
if (TmpReg == SReg) {
|
||||
TmpReg = getATReg(Inst.getLoc());
|
||||
if (!TmpReg)
|
||||
|
|
@ -3729,7 +3806,6 @@ bool MipsAsmParser::expandDRotation(MCInst &Inst, SMLoc IDLoc, MCStreamer &Out,
|
|||
}
|
||||
|
||||
if (hasMips64()) {
|
||||
|
||||
switch (Inst.getOpcode()) {
|
||||
default:
|
||||
llvm_unreachable("unexpected instruction opcode");
|
||||
|
|
@ -3773,7 +3849,6 @@ bool MipsAsmParser::expandDRotationImm(MCInst &Inst, SMLoc IDLoc,
|
|||
MCInst TmpInst;
|
||||
|
||||
if (hasMips64r2()) {
|
||||
|
||||
unsigned FinalOpcode = Mips::NOP;
|
||||
if (ImmValue == 0)
|
||||
FinalOpcode = Mips::DROTR;
|
||||
|
|
@ -3801,7 +3876,6 @@ bool MipsAsmParser::expandDRotationImm(MCInst &Inst, SMLoc IDLoc,
|
|||
}
|
||||
|
||||
if (hasMips64()) {
|
||||
|
||||
if (ImmValue == 0) {
|
||||
TOut.emitRRI(Mips::DSRL, DReg, SReg, 0, Inst.getLoc(), STI);
|
||||
return false;
|
||||
|
|
@ -3985,7 +4059,6 @@ bool MipsAsmParser::expandSeq(MCInst &Inst, SMLoc IDLoc, MCStreamer &Out,
|
|||
|
||||
bool MipsAsmParser::expandSeqI(MCInst &Inst, SMLoc IDLoc, MCStreamer &Out,
|
||||
const MCSubtargetInfo *STI) {
|
||||
|
||||
warnIfNoMacro(IDLoc);
|
||||
MipsTargetStreamer &TOut = getTargetStreamer();
|
||||
|
||||
|
|
@ -4158,17 +4231,15 @@ bool MipsAsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
|
|||
MCStreamer &Out,
|
||||
uint64_t &ErrorInfo,
|
||||
bool MatchingInlineAsm) {
|
||||
|
||||
MCInst Inst;
|
||||
unsigned MatchResult =
|
||||
MatchInstructionImpl(Operands, Inst, ErrorInfo, MatchingInlineAsm);
|
||||
|
||||
switch (MatchResult) {
|
||||
case Match_Success: {
|
||||
case Match_Success:
|
||||
if (processInstruction(Inst, IDLoc, Out, STI))
|
||||
return true;
|
||||
return false;
|
||||
}
|
||||
case Match_MissingFeature:
|
||||
Error(IDLoc, "instruction requires a CPU feature not currently enabled");
|
||||
return true;
|
||||
|
|
@ -4441,7 +4512,6 @@ int MipsAsmParser::matchHWRegsRegisterName(StringRef Name) {
|
|||
}
|
||||
|
||||
int MipsAsmParser::matchFPURegisterName(StringRef Name) {
|
||||
|
||||
if (Name[0] == 'f') {
|
||||
StringRef NumString = Name.substr(1);
|
||||
unsigned IntVal;
|
||||
|
|
@ -4455,7 +4525,6 @@ int MipsAsmParser::matchFPURegisterName(StringRef Name) {
|
|||
}
|
||||
|
||||
int MipsAsmParser::matchFCCRegisterName(StringRef Name) {
|
||||
|
||||
if (Name.startswith("fcc")) {
|
||||
StringRef NumString = Name.substr(3);
|
||||
unsigned IntVal;
|
||||
|
|
@ -4469,7 +4538,6 @@ int MipsAsmParser::matchFCCRegisterName(StringRef Name) {
|
|||
}
|
||||
|
||||
int MipsAsmParser::matchACRegisterName(StringRef Name) {
|
||||
|
||||
if (Name.startswith("ac")) {
|
||||
StringRef NumString = Name.substr(2);
|
||||
unsigned IntVal;
|
||||
|
|
@ -4589,7 +4657,6 @@ bool MipsAsmParser::parseOperand(OperandVector &Operands, StringRef Mnemonic) {
|
|||
}
|
||||
|
||||
bool MipsAsmParser::isEvaluated(const MCExpr *Expr) {
|
||||
|
||||
switch (Expr->getKind()) {
|
||||
case MCExpr::Constant:
|
||||
return true;
|
||||
|
|
@ -5522,7 +5589,7 @@ bool MipsAsmParser::parseSetPushDirective() {
|
|||
|
||||
// Create a copy of the current assembler options environment and push it.
|
||||
AssemblerOptions.push_back(
|
||||
make_unique<MipsAssemblerOptions>(AssemblerOptions.back().get()));
|
||||
llvm::make_unique<MipsAssemblerOptions>(AssemblerOptions.back().get()));
|
||||
|
||||
getTargetStreamer().emitDirectiveSetPush();
|
||||
return false;
|
||||
|
|
@ -6001,7 +6068,7 @@ bool MipsAsmParser::parseDirectiveSet() {
|
|||
bool MipsAsmParser::parseDataDirective(unsigned Size, SMLoc L) {
|
||||
MCAsmParser &Parser = getParser();
|
||||
if (getLexer().isNot(AsmToken::EndOfStatement)) {
|
||||
for (;;) {
|
||||
while (true) {
|
||||
const MCExpr *Value;
|
||||
if (getParser().parseExpression(Value))
|
||||
return true;
|
||||
|
|
|
|||
|
|
@ -7,33 +7,38 @@
|
|||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#include <algorithm>
|
||||
#include <list>
|
||||
#include "MCTargetDesc/MipsBaseInfo.h"
|
||||
#include "MCTargetDesc/MipsFixupKinds.h"
|
||||
#include "MCTargetDesc/MipsMCExpr.h"
|
||||
#include "MCTargetDesc/MipsMCTargetDesc.h"
|
||||
#include "llvm/ADT/STLExtras.h"
|
||||
#include "llvm/MC/MCAssembler.h"
|
||||
#include "llvm/MC/MCELFObjectWriter.h"
|
||||
#include "llvm/MC/MCExpr.h"
|
||||
#include "llvm/MC/MCSection.h"
|
||||
#include "llvm/MC/MCFixup.h"
|
||||
#include "llvm/MC/MCSymbolELF.h"
|
||||
#include "llvm/MC/MCValue.h"
|
||||
#include "llvm/Support/Casting.h"
|
||||
#include "llvm/Support/Compiler.h"
|
||||
#include "llvm/Support/Debug.h"
|
||||
#include "llvm/Support/ELF.h"
|
||||
#include "llvm/Support/ErrorHandling.h"
|
||||
#include "llvm/Support/MathExtras.h"
|
||||
#include "llvm/Support/raw_ostream.h"
|
||||
#include <algorithm>
|
||||
#include <cassert>
|
||||
#include <cstdint>
|
||||
#include <iterator>
|
||||
#include <list>
|
||||
#include <utility>
|
||||
|
||||
#define DEBUG_TYPE "mips-elf-object-writer"
|
||||
|
||||
using namespace llvm;
|
||||
|
||||
namespace {
|
||||
|
||||
/// Holds additional information needed by the relocation ordering algorithm.
|
||||
struct MipsRelocationEntry {
|
||||
const ELFRelocationEntry R; ///< The relocation.
|
||||
bool Matched; ///< Is this relocation part of a match.
|
||||
bool Matched = false; ///< Is this relocation part of a match.
|
||||
|
||||
MipsRelocationEntry(const ELFRelocationEntry &R) : R(R), Matched(false) {}
|
||||
MipsRelocationEntry(const ELFRelocationEntry &R) : R(R) {}
|
||||
|
||||
void print(raw_ostream &Out) const {
|
||||
R.print(Out);
|
||||
|
|
@ -53,21 +58,31 @@ public:
|
|||
MipsELFObjectWriter(bool _is64Bit, uint8_t OSABI, bool _isN64,
|
||||
bool IsLittleEndian);
|
||||
|
||||
~MipsELFObjectWriter() override;
|
||||
~MipsELFObjectWriter() override = default;
|
||||
|
||||
unsigned getRelocType(MCContext &Ctx, const MCValue &Target,
|
||||
const MCFixup &Fixup, bool IsPCRel) const override;
|
||||
bool needsRelocateWithSymbol(const MCSymbol &Sym,
|
||||
unsigned Type) const override;
|
||||
virtual void sortRelocs(const MCAssembler &Asm,
|
||||
void sortRelocs(const MCAssembler &Asm,
|
||||
std::vector<ELFRelocationEntry> &Relocs) override;
|
||||
};
|
||||
|
||||
/// The possible results of the Predicate function used by find_best.
|
||||
enum FindBestPredicateResult {
|
||||
FindBest_NoMatch = 0, ///< The current element is not a match.
|
||||
FindBest_Match, ///< The current element is a match but better ones are
|
||||
/// possible.
|
||||
FindBest_PerfectMatch, ///< The current element is an unbeatable match.
|
||||
};
|
||||
|
||||
} // end anonymous namespace
|
||||
|
||||
/// Copy elements in the range [First, Last) to d1 when the predicate is true or
|
||||
/// d2 when the predicate is false. This is essentially both std::copy_if and
|
||||
/// std::remove_copy_if combined into a single pass.
|
||||
template <class InputIt, class OutputIt1, class OutputIt2, class UnaryPredicate>
|
||||
std::pair<OutputIt1, OutputIt2> copy_if_else(InputIt First, InputIt Last,
|
||||
static std::pair<OutputIt1, OutputIt2> copy_if_else(InputIt First, InputIt Last,
|
||||
OutputIt1 d1, OutputIt2 d2,
|
||||
UnaryPredicate Predicate) {
|
||||
for (InputIt I = First; I != Last; ++I) {
|
||||
|
|
@ -83,14 +98,6 @@ std::pair<OutputIt1, OutputIt2> copy_if_else(InputIt First, InputIt Last,
|
|||
return std::make_pair(d1, d2);
|
||||
}
|
||||
|
||||
/// The possible results of the Predicate function used by find_best.
|
||||
enum FindBestPredicateResult {
|
||||
FindBest_NoMatch = 0, ///< The current element is not a match.
|
||||
FindBest_Match, ///< The current element is a match but better ones are
|
||||
/// possible.
|
||||
FindBest_PerfectMatch, ///< The current element is an unbeatable match.
|
||||
};
|
||||
|
||||
/// Find the best match in the range [First, Last).
|
||||
///
|
||||
/// An element matches when Predicate(X) returns FindBest_Match or
|
||||
|
|
@ -101,7 +108,7 @@ enum FindBestPredicateResult {
|
|||
/// This is similar to std::find_if but finds the best of multiple possible
|
||||
/// matches.
|
||||
template <class InputIt, class UnaryPredicate, class Comparator>
|
||||
InputIt find_best(InputIt First, InputIt Last, UnaryPredicate Predicate,
|
||||
static InputIt find_best(InputIt First, InputIt Last, UnaryPredicate Predicate,
|
||||
Comparator BetterThan) {
|
||||
InputIt Best = Last;
|
||||
|
||||
|
|
@ -202,16 +209,12 @@ static void dumpRelocs(const char *Prefix, const Container &Relocs) {
|
|||
}
|
||||
#endif
|
||||
|
||||
} // end anonymous namespace
|
||||
|
||||
MipsELFObjectWriter::MipsELFObjectWriter(bool _is64Bit, uint8_t OSABI,
|
||||
bool _isN64, bool IsLittleEndian)
|
||||
: MCELFObjectTargetWriter(_is64Bit, OSABI, ELF::EM_MIPS,
|
||||
/*HasRelocationAddend*/ _isN64,
|
||||
/*IsN64*/ _isN64) {}
|
||||
|
||||
MipsELFObjectWriter::~MipsELFObjectWriter() {}
|
||||
|
||||
unsigned MipsELFObjectWriter::getRelocType(MCContext &Ctx,
|
||||
const MCValue &Target,
|
||||
const MCFixup &Fixup,
|
||||
|
|
@ -419,7 +422,6 @@ unsigned MipsELFObjectWriter::getRelocType(MCContext &Ctx,
|
|||
/// always match using the expressions from the source.
|
||||
void MipsELFObjectWriter::sortRelocs(const MCAssembler &Asm,
|
||||
std::vector<ELFRelocationEntry> &Relocs) {
|
||||
|
||||
// We do not need to sort the relocation table for RELA relocations which
|
||||
// N32/N64 uses as the relocation addend contains the value we require,
|
||||
// rather than it being split across a pair of relocations.
|
||||
|
|
|
|||
|
|
@ -7,7 +7,6 @@
|
|||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
//
|
||||
//
|
||||
// This pass is used to make Pc relative loads of constants.
|
||||
// For now, only Mips16 will use this.
|
||||
//
|
||||
|
|
@ -19,30 +18,43 @@
|
|||
// This can be particularly helpful in static relocation mode for embedded
|
||||
// non-linux targets.
|
||||
//
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#include "Mips.h"
|
||||
#include "MCTargetDesc/MipsBaseInfo.h"
|
||||
#include "Mips16InstrInfo.h"
|
||||
#include "MipsMachineFunction.h"
|
||||
#include "MipsTargetMachine.h"
|
||||
#include "MipsSubtarget.h"
|
||||
#include "llvm/ADT/SmallSet.h"
|
||||
#include "llvm/ADT/SmallVector.h"
|
||||
#include "llvm/ADT/Statistic.h"
|
||||
#include "llvm/ADT/STLExtras.h"
|
||||
#include "llvm/ADT/StringRef.h"
|
||||
#include "llvm/CodeGen/MachineBasicBlock.h"
|
||||
#include "llvm/CodeGen/MachineConstantPool.h"
|
||||
#include "llvm/CodeGen/MachineFunction.h"
|
||||
#include "llvm/CodeGen/MachineFunctionPass.h"
|
||||
#include "llvm/CodeGen/MachineInstr.h"
|
||||
#include "llvm/CodeGen/MachineInstrBuilder.h"
|
||||
#include "llvm/CodeGen/MachineOperand.h"
|
||||
#include "llvm/CodeGen/MachineRegisterInfo.h"
|
||||
#include "llvm/IR/Constants.h"
|
||||
#include "llvm/IR/DataLayout.h"
|
||||
#include "llvm/IR/DebugLoc.h"
|
||||
#include "llvm/IR/Function.h"
|
||||
#include "llvm/IR/InstIterator.h"
|
||||
#include "llvm/IR/Type.h"
|
||||
#include "llvm/Support/CommandLine.h"
|
||||
#include "llvm/Support/Compiler.h"
|
||||
#include "llvm/Support/Debug.h"
|
||||
#include "llvm/Support/ErrorHandling.h"
|
||||
#include "llvm/Support/Format.h"
|
||||
#include "llvm/Support/MathExtras.h"
|
||||
#include "llvm/Support/raw_ostream.h"
|
||||
#include "llvm/Target/TargetInstrInfo.h"
|
||||
#include "llvm/Target/TargetMachine.h"
|
||||
#include "llvm/Target/TargetRegisterInfo.h"
|
||||
#include <algorithm>
|
||||
#include <cassert>
|
||||
#include <cstdint>
|
||||
#include <iterator>
|
||||
#include <new>
|
||||
#include <vector>
|
||||
|
||||
using namespace llvm;
|
||||
|
||||
|
|
@ -58,7 +70,6 @@ static cl::opt<bool>
|
|||
AlignConstantIslands("mips-align-constant-islands", cl::Hidden, cl::init(true),
|
||||
cl::desc("Align constant islands in code"));
|
||||
|
||||
|
||||
// Rather than do make check tests with huge amounts of code, we force
|
||||
// the test to use this amount.
|
||||
//
|
||||
|
|
@ -178,7 +189,6 @@ static unsigned int branchMaxOffsets(unsigned int Opcode) {
|
|||
|
||||
namespace {
|
||||
|
||||
|
||||
typedef MachineBasicBlock::iterator Iter;
|
||||
typedef MachineBasicBlock::reverse_iterator ReverseIter;
|
||||
|
||||
|
|
@ -195,7 +205,6 @@ namespace {
|
|||
/// tracks a list of users.
|
||||
|
||||
class MipsConstantIslands : public MachineFunctionPass {
|
||||
|
||||
/// BasicBlockInfo - Information about the offset and size of a single
|
||||
/// basic block.
|
||||
struct BasicBlockInfo {
|
||||
|
|
@ -208,14 +217,16 @@ namespace {
|
|||
///
|
||||
/// Because worst case padding is used, the computed offset of an aligned
|
||||
/// block may not actually be aligned.
|
||||
unsigned Offset;
|
||||
unsigned Offset = 0;
|
||||
|
||||
/// Size - Size of the basic block in bytes. If the block contains
|
||||
/// inline assembly, this is a worst case estimate.
|
||||
///
|
||||
/// The size does not include any alignment padding whether from the
|
||||
/// beginning of the block, or from an aligned jump table at the end.
|
||||
unsigned Size;
|
||||
unsigned Size = 0;
|
||||
|
||||
BasicBlockInfo() = default;
|
||||
|
||||
// FIXME: ignore LogAlign for this patch
|
||||
//
|
||||
|
|
@ -223,9 +234,6 @@ namespace {
|
|||
unsigned PO = Offset + Size;
|
||||
return PO;
|
||||
}
|
||||
|
||||
BasicBlockInfo() : Offset(0), Size(0) {}
|
||||
|
||||
};
|
||||
|
||||
std::vector<BasicBlockInfo> BBInfo;
|
||||
|
|
@ -257,13 +265,16 @@ namespace {
|
|||
MachineInstr *MI;
|
||||
MachineInstr *CPEMI;
|
||||
MachineBasicBlock *HighWaterMark;
|
||||
|
||||
private:
|
||||
unsigned MaxDisp;
|
||||
unsigned LongFormMaxDisp; // mips16 has 16/32 bit instructions
|
||||
// with different displacements
|
||||
unsigned LongFormOpcode;
|
||||
|
||||
public:
|
||||
bool NegOk;
|
||||
|
||||
CPUser(MachineInstr *mi, MachineInstr *cpemi, unsigned maxdisp,
|
||||
bool neg,
|
||||
unsigned longformmaxdisp, unsigned longformopcode)
|
||||
|
|
@ -272,18 +283,22 @@ namespace {
|
|||
NegOk(neg){
|
||||
HighWaterMark = CPEMI->getParent();
|
||||
}
|
||||
|
||||
/// getMaxDisp - Returns the maximum displacement supported by MI.
|
||||
unsigned getMaxDisp() const {
|
||||
unsigned xMaxDisp = ConstantIslandsSmallOffset?
|
||||
ConstantIslandsSmallOffset: MaxDisp;
|
||||
return xMaxDisp;
|
||||
}
|
||||
|
||||
void setMaxDisp(unsigned val) {
|
||||
MaxDisp = val;
|
||||
}
|
||||
|
||||
unsigned getLongFormMaxDisp() const {
|
||||
return LongFormMaxDisp;
|
||||
}
|
||||
|
||||
unsigned getLongFormOpcode() const {
|
||||
return LongFormOpcode;
|
||||
}
|
||||
|
|
@ -300,6 +315,7 @@ namespace {
|
|||
MachineInstr *CPEMI;
|
||||
unsigned CPI;
|
||||
unsigned RefCount;
|
||||
|
||||
CPEntry(MachineInstr *cpemi, unsigned cpi, unsigned rc = 0)
|
||||
: CPEMI(cpemi), CPI(cpi), RefCount(rc) {}
|
||||
};
|
||||
|
|
@ -320,6 +336,7 @@ namespace {
|
|||
unsigned MaxDisp : 31;
|
||||
bool isCond : 1;
|
||||
int UncondBr;
|
||||
|
||||
ImmBranch(MachineInstr *mi, unsigned maxdisp, bool cond, int ubr)
|
||||
: MI(mi), MaxDisp(maxdisp), isCond(cond), UncondBr(ubr) {}
|
||||
};
|
||||
|
|
@ -332,29 +349,27 @@ namespace {
|
|||
/// the branch fix up pass.
|
||||
bool HasFarJump;
|
||||
|
||||
const MipsSubtarget *STI;
|
||||
const MipsSubtarget *STI = nullptr;
|
||||
const Mips16InstrInfo *TII;
|
||||
MipsFunctionInfo *MFI;
|
||||
MachineFunction *MF;
|
||||
MachineConstantPool *MCP;
|
||||
MachineFunction *MF = nullptr;
|
||||
MachineConstantPool *MCP = nullptr;
|
||||
|
||||
unsigned PICLabelUId;
|
||||
bool PrescannedForConstants;
|
||||
bool PrescannedForConstants = false;
|
||||
|
||||
void initPICLabelUId(unsigned UId) {
|
||||
PICLabelUId = UId;
|
||||
}
|
||||
|
||||
|
||||
unsigned createPICLabelUId() {
|
||||
return PICLabelUId++;
|
||||
}
|
||||
|
||||
public:
|
||||
static char ID;
|
||||
MipsConstantIslands()
|
||||
: MachineFunctionPass(ID), STI(nullptr), MF(nullptr), MCP(nullptr),
|
||||
PrescannedForConstants(false) {}
|
||||
|
||||
MipsConstantIslands() : MachineFunctionPass(ID) {}
|
||||
|
||||
StringRef getPassName() const override { return "Mips Constant Islands"; }
|
||||
|
||||
|
|
@ -403,13 +418,11 @@ namespace {
|
|||
bool fixupUnconditionalBr(ImmBranch &Br);
|
||||
|
||||
void prescanForConstants();
|
||||
|
||||
private:
|
||||
|
||||
};
|
||||
|
||||
char MipsConstantIslands::ID = 0;
|
||||
} // end of anonymous namespace
|
||||
|
||||
} // end anonymous namespace
|
||||
|
||||
bool MipsConstantIslands::isOffsetInRange
|
||||
(unsigned UserOffset, unsigned TrialOffset,
|
||||
|
|
@ -417,6 +430,7 @@ bool MipsConstantIslands::isOffsetInRange
|
|||
return isOffsetInRange(UserOffset, TrialOffset,
|
||||
U.getMaxDisp(), U.NegOk);
|
||||
}
|
||||
|
||||
#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
|
||||
/// print block size and offset information - debugging
|
||||
LLVM_DUMP_METHOD void MipsConstantIslands::dumpBBs() {
|
||||
|
|
@ -427,10 +441,6 @@ LLVM_DUMP_METHOD void MipsConstantIslands::dumpBBs() {
|
|||
}
|
||||
}
|
||||
#endif
|
||||
/// Returns a pass that converts branches to long branches.
|
||||
FunctionPass *llvm::createMipsConstantIslandPass() {
|
||||
return new MipsConstantIslands();
|
||||
}
|
||||
|
||||
bool MipsConstantIslands::runOnMachineFunction(MachineFunction &mf) {
|
||||
// The intention is for this to be a mips16 only pass for now
|
||||
|
|
@ -527,7 +537,6 @@ MipsConstantIslands::doInitialPlacement(std::vector<MachineInstr*> &CPEMIs) {
|
|||
MachineBasicBlock *BB = MF->CreateMachineBasicBlock();
|
||||
MF->push_back(BB);
|
||||
|
||||
|
||||
// MachineConstantPool measures alignment in bytes. We measure in log2(bytes).
|
||||
unsigned MaxAlign = Log2_32(MCP->getConstantPoolAlignment());
|
||||
|
||||
|
|
@ -647,7 +656,6 @@ initializeFunctionInfo(const std::vector<MachineInstr*> &CPEMIs) {
|
|||
for (MachineFunction::iterator I = MF->begin(), E = MF->end(); I != E; ++I)
|
||||
computeBlockSize(&*I);
|
||||
|
||||
|
||||
// Compute block offsets.
|
||||
adjustBBOffsetsAfter(&MF->front());
|
||||
|
||||
|
|
@ -737,7 +745,6 @@ initializeFunctionInfo(const std::vector<MachineInstr*> &CPEMIs) {
|
|||
if (Opc == Mips::CONSTPOOL_ENTRY)
|
||||
continue;
|
||||
|
||||
|
||||
// Scan the instructions for constant pool operands.
|
||||
for (unsigned op = 0, e = MI.getNumOperands(); op != e; ++op)
|
||||
if (MI.getOperand(op).isCPI()) {
|
||||
|
|
@ -784,12 +791,9 @@ initializeFunctionInfo(const std::vector<MachineInstr*> &CPEMIs) {
|
|||
// Instructions can only use one CP entry, don't bother scanning the
|
||||
// rest of the operands.
|
||||
break;
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
/// computeBlockSize - Compute the size and some alignment information for MBB.
|
||||
|
|
@ -921,8 +925,6 @@ MipsConstantIslands::splitBlockBeforeInstr(MachineInstr &MI) {
|
|||
return NewBB;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// isOffsetInRange - Checks whether UserOffset (the location of a constant pool
|
||||
/// reference) is within MaxDisp of TrialOffset (a proposed location of a
|
||||
/// constant pool entry).
|
||||
|
|
@ -1337,7 +1339,6 @@ bool MipsConstantIslands::handleConstantPoolUser(unsigned CPUserIndex) {
|
|||
if (result==1) return false;
|
||||
else if (result==2) return true;
|
||||
|
||||
|
||||
// Look for water where we can place this CPE.
|
||||
MachineBasicBlock *NewIsland = MF->CreateMachineBasicBlock();
|
||||
MachineBasicBlock *NewMBB;
|
||||
|
|
@ -1371,7 +1372,7 @@ bool MipsConstantIslands::handleConstantPoolUser(unsigned CPUserIndex) {
|
|||
// it. Check for this so it will be removed from the WaterList.
|
||||
// Also remove any entry from NewWaterList.
|
||||
MachineBasicBlock *WaterBB = &*--NewMBB->getIterator();
|
||||
IP = find(WaterList, WaterBB);
|
||||
IP = llvm::find(WaterList, WaterBB);
|
||||
if (IP != WaterList.end())
|
||||
NewWaterList.erase(WaterBB);
|
||||
|
||||
|
|
@ -1473,9 +1474,7 @@ bool MipsConstantIslands::removeUnusedCPEntries() {
|
|||
/// specific BB can fit in MI's displacement field.
|
||||
bool MipsConstantIslands::isBBInRange
|
||||
(MachineInstr *MI,MachineBasicBlock *DestBB, unsigned MaxDisp) {
|
||||
|
||||
unsigned PCAdj = 4;
|
||||
|
||||
unsigned BrOffset = getOffsetOf(MI) + PCAdj;
|
||||
unsigned DestOffset = BBInfo[DestBB->getNumber()].Offset;
|
||||
|
||||
|
|
@ -1553,7 +1552,6 @@ MipsConstantIslands::fixupUnconditionalBr(ImmBranch &Br) {
|
|||
return true;
|
||||
}
|
||||
|
||||
|
||||
/// fixupConditionalBr - Fix up a conditional branch whose destination is too
|
||||
/// far away to fit in its displacement field. It is converted to an inverse
|
||||
/// conditional branch + an unconditional branch to the destination.
|
||||
|
|
@ -1614,7 +1612,6 @@ MipsConstantIslands::fixupConditionalBr(ImmBranch &Br) {
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
if (NeedSplit) {
|
||||
splitBlockBeforeInstr(*MI);
|
||||
// No need for the branch to the next block. We're adding an unconditional
|
||||
|
|
@ -1654,7 +1651,6 @@ MipsConstantIslands::fixupConditionalBr(ImmBranch &Br) {
|
|||
return true;
|
||||
}
|
||||
|
||||
|
||||
void MipsConstantIslands::prescanForConstants() {
|
||||
unsigned J = 0;
|
||||
(void)J;
|
||||
|
|
@ -1692,3 +1688,8 @@ void MipsConstantIslands::prescanForConstants() {
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Returns a pass that converts branches to long branches.
|
||||
FunctionPass *llvm::createMipsConstantIslandPass() {
|
||||
return new MipsConstantIslands();
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
//===-- MipsFastISel.cpp - Mips FastISel implementation --------------------===//
|
||||
//===-- MipsFastISel.cpp - Mips FastISel implementation -------------------===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
|
|
@ -14,24 +14,62 @@
|
|||
///
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#include "MCTargetDesc/MipsABIInfo.h"
|
||||
#include "MCTargetDesc/MipsBaseInfo.h"
|
||||
#include "MipsCCState.h"
|
||||
#include "MipsInstrInfo.h"
|
||||
#include "MipsISelLowering.h"
|
||||
#include "MipsMachineFunction.h"
|
||||
#include "MipsRegisterInfo.h"
|
||||
#include "MipsSubtarget.h"
|
||||
#include "MipsTargetMachine.h"
|
||||
#include "llvm/ADT/APInt.h"
|
||||
#include "llvm/ADT/ArrayRef.h"
|
||||
#include "llvm/ADT/DenseMap.h"
|
||||
#include "llvm/ADT/SmallVector.h"
|
||||
#include "llvm/Analysis/TargetLibraryInfo.h"
|
||||
#include "llvm/CodeGen/CallingConvLower.h"
|
||||
#include "llvm/CodeGen/FastISel.h"
|
||||
#include "llvm/CodeGen/FunctionLoweringInfo.h"
|
||||
#include "llvm/CodeGen/ISDOpcodes.h"
|
||||
#include "llvm/CodeGen/MachineBasicBlock.h"
|
||||
#include "llvm/CodeGen/MachineFrameInfo.h"
|
||||
#include "llvm/CodeGen/MachineInstrBuilder.h"
|
||||
#include "llvm/CodeGen/MachineMemOperand.h"
|
||||
#include "llvm/CodeGen/MachineRegisterInfo.h"
|
||||
#include "llvm/CodeGen/MachineValueType.h"
|
||||
#include "llvm/CodeGen/ValueTypes.h"
|
||||
#include "llvm/IR/Attributes.h"
|
||||
#include "llvm/IR/CallingConv.h"
|
||||
#include "llvm/IR/Constant.h"
|
||||
#include "llvm/IR/Constants.h"
|
||||
#include "llvm/IR/DataLayout.h"
|
||||
#include "llvm/IR/Function.h"
|
||||
#include "llvm/IR/GetElementPtrTypeIterator.h"
|
||||
#include "llvm/IR/GlobalAlias.h"
|
||||
#include "llvm/IR/GlobalValue.h"
|
||||
#include "llvm/IR/GlobalVariable.h"
|
||||
#include "llvm/IR/InstrTypes.h"
|
||||
#include "llvm/IR/Instruction.h"
|
||||
#include "llvm/IR/Instructions.h"
|
||||
#include "llvm/IR/IntrinsicInst.h"
|
||||
#include "llvm/IR/Operator.h"
|
||||
#include "llvm/IR/Type.h"
|
||||
#include "llvm/IR/User.h"
|
||||
#include "llvm/IR/Value.h"
|
||||
#include "llvm/MC/MCInstrDesc.h"
|
||||
#include "llvm/MC/MCRegisterInfo.h"
|
||||
#include "llvm/MC/MCSymbol.h"
|
||||
#include "llvm/Target/TargetInstrInfo.h"
|
||||
#include "llvm/Support/Casting.h"
|
||||
#include "llvm/Support/Compiler.h"
|
||||
#include "llvm/Support/Debug.h"
|
||||
#include "llvm/Support/ErrorHandling.h"
|
||||
#include "llvm/Support/MathExtras.h"
|
||||
#include "llvm/Support/raw_ostream.h"
|
||||
#include "llvm/Target/TargetInstrInfo.h"
|
||||
#include "llvm/Target/TargetLowering.h"
|
||||
#include <algorithm>
|
||||
#include <cassert>
|
||||
#include <cstdint>
|
||||
#include <new>
|
||||
|
||||
#define DEBUG_TYPE "mips-fastisel"
|
||||
|
||||
|
|
@ -47,35 +85,40 @@ class MipsFastISel final : public FastISel {
|
|||
typedef enum { RegBase, FrameIndexBase } BaseKind;
|
||||
|
||||
private:
|
||||
BaseKind Kind;
|
||||
BaseKind Kind = RegBase;
|
||||
union {
|
||||
unsigned Reg;
|
||||
int FI;
|
||||
} Base;
|
||||
|
||||
int64_t Offset;
|
||||
int64_t Offset = 0;
|
||||
|
||||
const GlobalValue *GV;
|
||||
const GlobalValue *GV = nullptr;
|
||||
|
||||
public:
|
||||
// Innocuous defaults for our address.
|
||||
Address() : Kind(RegBase), Offset(0), GV(0) { Base.Reg = 0; }
|
||||
Address() { Base.Reg = 0; }
|
||||
|
||||
void setKind(BaseKind K) { Kind = K; }
|
||||
BaseKind getKind() const { return Kind; }
|
||||
bool isRegBase() const { return Kind == RegBase; }
|
||||
bool isFIBase() const { return Kind == FrameIndexBase; }
|
||||
|
||||
void setReg(unsigned Reg) {
|
||||
assert(isRegBase() && "Invalid base register access!");
|
||||
Base.Reg = Reg;
|
||||
}
|
||||
|
||||
unsigned getReg() const {
|
||||
assert(isRegBase() && "Invalid base register access!");
|
||||
return Base.Reg;
|
||||
}
|
||||
|
||||
void setFI(unsigned FI) {
|
||||
assert(isFIBase() && "Invalid base frame index access!");
|
||||
Base.FI = FI;
|
||||
}
|
||||
|
||||
unsigned getFI() const {
|
||||
assert(isFIBase() && "Invalid base frame index access!");
|
||||
return Base.FI;
|
||||
|
|
@ -165,14 +208,17 @@ private:
|
|||
MachineInstrBuilder emitInst(unsigned Opc) {
|
||||
return BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc, TII.get(Opc));
|
||||
}
|
||||
|
||||
MachineInstrBuilder emitInst(unsigned Opc, unsigned DstReg) {
|
||||
return BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc, TII.get(Opc),
|
||||
DstReg);
|
||||
}
|
||||
|
||||
MachineInstrBuilder emitInstStore(unsigned Opc, unsigned SrcReg,
|
||||
unsigned MemReg, int64_t MemOffset) {
|
||||
return emitInst(Opc).addReg(SrcReg).addReg(MemReg).addImm(MemOffset);
|
||||
}
|
||||
|
||||
MachineInstrBuilder emitInstLoad(unsigned Opc, unsigned DstReg,
|
||||
unsigned MemReg, int64_t MemOffset) {
|
||||
return emitInst(Opc, DstReg).addReg(MemReg).addImm(MemOffset);
|
||||
|
|
@ -198,6 +244,7 @@ private:
|
|||
bool processCallArgs(CallLoweringInfo &CLI, SmallVectorImpl<MVT> &ArgVTs,
|
||||
unsigned &NumBytes);
|
||||
bool finishCall(CallLoweringInfo &CLI, MVT RetVT, unsigned NumBytes);
|
||||
|
||||
const MipsABIInfo &getABI() const {
|
||||
return static_cast<const MipsTargetMachine &>(TM).getABI();
|
||||
}
|
||||
|
|
@ -220,7 +267,8 @@ public:
|
|||
|
||||
#include "MipsGenFastISel.inc"
|
||||
};
|
||||
} // end anonymous namespace.
|
||||
|
||||
} // end anonymous namespace
|
||||
|
||||
static bool CC_Mips(unsigned ValNo, MVT ValVT, MVT LocVT,
|
||||
CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags,
|
||||
|
|
@ -414,7 +462,6 @@ unsigned MipsFastISel::fastMaterializeConstant(const Constant *C) {
|
|||
}
|
||||
|
||||
bool MipsFastISel::computeAddress(const Value *Obj, Address &Addr) {
|
||||
|
||||
const User *U = nullptr;
|
||||
unsigned Opcode = Instruction::UserOp1;
|
||||
if (const Instruction *I = dyn_cast<Instruction>(Obj)) {
|
||||
|
|
@ -432,10 +479,9 @@ bool MipsFastISel::computeAddress(const Value *Obj, Address &Addr) {
|
|||
switch (Opcode) {
|
||||
default:
|
||||
break;
|
||||
case Instruction::BitCast: {
|
||||
case Instruction::BitCast:
|
||||
// Look through bitcasts.
|
||||
return computeAddress(U->getOperand(0), Addr);
|
||||
}
|
||||
case Instruction::GetElementPtr: {
|
||||
Address SavedAddr = Addr;
|
||||
int64_t TmpOffset = Addr.getOffset();
|
||||
|
|
@ -451,7 +497,7 @@ bool MipsFastISel::computeAddress(const Value *Obj, Address &Addr) {
|
|||
TmpOffset += SL->getElementOffset(Idx);
|
||||
} else {
|
||||
uint64_t S = DL.getTypeAllocSize(GTI.getIndexedType());
|
||||
for (;;) {
|
||||
while (true) {
|
||||
if (const ConstantInt *CI = dyn_cast<ConstantInt>(Op)) {
|
||||
// Constant-offset addressing.
|
||||
TmpOffset += CI->getSExtValue() * S;
|
||||
|
|
@ -613,14 +659,12 @@ bool MipsFastISel::emitCmp(unsigned ResultReg, const CmpInst *CI) {
|
|||
emitInst(Mips::SLTu, ResultReg).addReg(Mips::ZERO).addReg(TempReg);
|
||||
break;
|
||||
}
|
||||
case CmpInst::ICMP_UGT: {
|
||||
case CmpInst::ICMP_UGT:
|
||||
emitInst(Mips::SLTu, ResultReg).addReg(RightReg).addReg(LeftReg);
|
||||
break;
|
||||
}
|
||||
case CmpInst::ICMP_ULT: {
|
||||
case CmpInst::ICMP_ULT:
|
||||
emitInst(Mips::SLTu, ResultReg).addReg(LeftReg).addReg(RightReg);
|
||||
break;
|
||||
}
|
||||
case CmpInst::ICMP_UGE: {
|
||||
unsigned TempReg = createResultReg(&Mips::GPR32RegClass);
|
||||
emitInst(Mips::SLTu, TempReg).addReg(LeftReg).addReg(RightReg);
|
||||
|
|
@ -633,14 +677,12 @@ bool MipsFastISel::emitCmp(unsigned ResultReg, const CmpInst *CI) {
|
|||
emitInst(Mips::XORi, ResultReg).addReg(TempReg).addImm(1);
|
||||
break;
|
||||
}
|
||||
case CmpInst::ICMP_SGT: {
|
||||
case CmpInst::ICMP_SGT:
|
||||
emitInst(Mips::SLT, ResultReg).addReg(RightReg).addReg(LeftReg);
|
||||
break;
|
||||
}
|
||||
case CmpInst::ICMP_SLT: {
|
||||
case CmpInst::ICMP_SLT:
|
||||
emitInst(Mips::SLT, ResultReg).addReg(LeftReg).addReg(RightReg);
|
||||
break;
|
||||
}
|
||||
case CmpInst::ICMP_SGE: {
|
||||
unsigned TempReg = createResultReg(&Mips::GPR32RegClass);
|
||||
emitInst(Mips::SLT, TempReg).addReg(LeftReg).addReg(RightReg);
|
||||
|
|
@ -709,6 +751,7 @@ bool MipsFastISel::emitCmp(unsigned ResultReg, const CmpInst *CI) {
|
|||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
bool MipsFastISel::emitLoad(MVT VT, unsigned &ResultReg, Address &Addr,
|
||||
unsigned Alignment) {
|
||||
//
|
||||
|
|
@ -716,35 +759,30 @@ bool MipsFastISel::emitLoad(MVT VT, unsigned &ResultReg, Address &Addr,
|
|||
//
|
||||
unsigned Opc;
|
||||
switch (VT.SimpleTy) {
|
||||
case MVT::i32: {
|
||||
case MVT::i32:
|
||||
ResultReg = createResultReg(&Mips::GPR32RegClass);
|
||||
Opc = Mips::LW;
|
||||
break;
|
||||
}
|
||||
case MVT::i16: {
|
||||
case MVT::i16:
|
||||
ResultReg = createResultReg(&Mips::GPR32RegClass);
|
||||
Opc = Mips::LHu;
|
||||
break;
|
||||
}
|
||||
case MVT::i8: {
|
||||
case MVT::i8:
|
||||
ResultReg = createResultReg(&Mips::GPR32RegClass);
|
||||
Opc = Mips::LBu;
|
||||
break;
|
||||
}
|
||||
case MVT::f32: {
|
||||
case MVT::f32:
|
||||
if (UnsupportedFPMode)
|
||||
return false;
|
||||
ResultReg = createResultReg(&Mips::FGR32RegClass);
|
||||
Opc = Mips::LWC1;
|
||||
break;
|
||||
}
|
||||
case MVT::f64: {
|
||||
case MVT::f64:
|
||||
if (UnsupportedFPMode)
|
||||
return false;
|
||||
ResultReg = createResultReg(&Mips::AFGR64RegClass);
|
||||
Opc = Mips::LDC1;
|
||||
break;
|
||||
}
|
||||
default:
|
||||
return false;
|
||||
}
|
||||
|
|
@ -1730,6 +1768,7 @@ bool MipsFastISel::selectTrunc(const Instruction *I) {
|
|||
updateValueMap(I, SrcReg);
|
||||
return true;
|
||||
}
|
||||
|
||||
bool MipsFastISel::selectIntExt(const Instruction *I) {
|
||||
Type *DestTy = I->getType();
|
||||
Value *Src = I->getOperand(0);
|
||||
|
|
@ -1757,6 +1796,7 @@ bool MipsFastISel::selectIntExt(const Instruction *I) {
|
|||
updateValueMap(I, ResultReg);
|
||||
return true;
|
||||
}
|
||||
|
||||
bool MipsFastISel::emitIntSExt32r1(MVT SrcVT, unsigned SrcReg, MVT DestVT,
|
||||
unsigned DestReg) {
|
||||
unsigned ShiftAmt;
|
||||
|
|
@ -2074,8 +2114,10 @@ unsigned MipsFastISel::fastEmitInst_rr(unsigned MachineInstOpcode,
|
|||
}
|
||||
|
||||
namespace llvm {
|
||||
|
||||
FastISel *Mips::createFastISel(FunctionLoweringInfo &funcInfo,
|
||||
const TargetLibraryInfo *libInfo) {
|
||||
return new MipsFastISel(funcInfo, libInfo);
|
||||
}
|
||||
}
|
||||
|
||||
} // end namespace llvm
|
||||
|
|
|
|||
|
|
@ -7,16 +7,15 @@
|
|||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#include "MCTargetDesc/MipsBaseInfo.h"
|
||||
#include "MipsInstrInfo.h"
|
||||
#include "MCTargetDesc/MipsABIInfo.h"
|
||||
#include "MipsMachineFunction.h"
|
||||
#include "MipsSubtarget.h"
|
||||
#include "MipsTargetMachine.h"
|
||||
#include "llvm/CodeGen/MachineInstrBuilder.h"
|
||||
#include "llvm/CodeGen/MachineFrameInfo.h"
|
||||
#include "llvm/CodeGen/MachineRegisterInfo.h"
|
||||
#include "llvm/IR/Function.h"
|
||||
#include "llvm/CodeGen/PseudoSourceValue.h"
|
||||
#include "llvm/Support/CommandLine.h"
|
||||
#include "llvm/Support/raw_ostream.h"
|
||||
#include "llvm/Target/TargetRegisterInfo.h"
|
||||
|
||||
using namespace llvm;
|
||||
|
||||
|
|
@ -24,7 +23,7 @@ static cl::opt<bool>
|
|||
FixGlobalBaseReg("mips-fix-global-base-reg", cl::Hidden, cl::init(true),
|
||||
cl::desc("Always use $gp as the global base register."));
|
||||
|
||||
MipsFunctionInfo::~MipsFunctionInfo() {}
|
||||
MipsFunctionInfo::~MipsFunctionInfo() = default;
|
||||
|
||||
bool MipsFunctionInfo::globalBaseRegSet() const {
|
||||
return GlobalBaseReg;
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
//===-- MipsMachineFunctionInfo.h - Private data used for Mips ----*- C++ -*-=//
|
||||
//===- MipsMachineFunctionInfo.h - Private data used for Mips ---*- C++ -*-===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
|
|
@ -15,12 +15,8 @@
|
|||
#define LLVM_LIB_TARGET_MIPS_MIPSMACHINEFUNCTION_H
|
||||
|
||||
#include "Mips16HardFloatInfo.h"
|
||||
#include "llvm/CodeGen/MachineFrameInfo.h"
|
||||
#include "llvm/CodeGen/MachineFunction.h"
|
||||
#include "llvm/CodeGen/MachineMemOperand.h"
|
||||
#include "llvm/CodeGen/PseudoSourceValue.h"
|
||||
#include "llvm/Target/TargetFrameLowering.h"
|
||||
#include "llvm/Target/TargetMachine.h"
|
||||
#include <map>
|
||||
|
||||
namespace llvm {
|
||||
|
|
@ -29,12 +25,9 @@ namespace llvm {
|
|||
/// Mips target-specific information for each MachineFunction.
|
||||
class MipsFunctionInfo : public MachineFunctionInfo {
|
||||
public:
|
||||
MipsFunctionInfo(MachineFunction &MF)
|
||||
: MF(MF), SRetReturnReg(0), GlobalBaseReg(0), VarArgsFrameIndex(0),
|
||||
CallsEhReturn(false), IsISR(false), SaveS2(false),
|
||||
MoveF64ViaSpillFI(-1) {}
|
||||
MipsFunctionInfo(MachineFunction &MF) : MF(MF) {}
|
||||
|
||||
~MipsFunctionInfo();
|
||||
~MipsFunctionInfo() override;
|
||||
|
||||
unsigned getSRetReturnReg() const { return SRetReturnReg; }
|
||||
void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }
|
||||
|
|
@ -81,25 +74,26 @@ public:
|
|||
|
||||
int getMoveF64ViaSpillFI(const TargetRegisterClass *RC);
|
||||
|
||||
std::map<const char *, const llvm::Mips16HardFloatInfo::FuncSignature *>
|
||||
std::map<const char *, const Mips16HardFloatInfo::FuncSignature *>
|
||||
StubsNeeded;
|
||||
|
||||
private:
|
||||
virtual void anchor();
|
||||
|
||||
MachineFunction& MF;
|
||||
|
||||
/// SRetReturnReg - Some subtargets require that sret lowering includes
|
||||
/// returning the value of the returned struct in a register. This field
|
||||
/// holds the virtual register into which the sret argument is passed.
|
||||
unsigned SRetReturnReg;
|
||||
unsigned SRetReturnReg = 0;
|
||||
|
||||
/// GlobalBaseReg - keeps track of the virtual register initialized for
|
||||
/// use as the global base register. This is used for PIC in some PIC
|
||||
/// relocation models.
|
||||
unsigned GlobalBaseReg;
|
||||
unsigned GlobalBaseReg = 0;
|
||||
|
||||
/// VarArgsFrameIndex - FrameIndex for start of varargs area.
|
||||
int VarArgsFrameIndex;
|
||||
int VarArgsFrameIndex = 0;
|
||||
|
||||
/// True if function has a byval argument.
|
||||
bool HasByvalArg;
|
||||
|
|
@ -108,25 +102,25 @@ private:
|
|||
unsigned IncomingArgSize;
|
||||
|
||||
/// CallsEhReturn - Whether the function calls llvm.eh.return.
|
||||
bool CallsEhReturn;
|
||||
bool CallsEhReturn = false;
|
||||
|
||||
/// Frame objects for spilling eh data registers.
|
||||
int EhDataRegFI[4];
|
||||
|
||||
/// ISR - Whether the function is an Interrupt Service Routine.
|
||||
bool IsISR;
|
||||
bool IsISR = false;
|
||||
|
||||
/// Frame objects for spilling C0_STATUS, C0_EPC
|
||||
int ISRDataRegFI[2];
|
||||
|
||||
// saveS2
|
||||
bool SaveS2;
|
||||
bool SaveS2 = false;
|
||||
|
||||
/// FrameIndex for expanding BuildPairF64 nodes to spill and reload when the
|
||||
/// O32 FPXX ABI is enabled. -1 is used to denote invalid index.
|
||||
int MoveF64ViaSpillFI;
|
||||
int MoveF64ViaSpillFI = -1;
|
||||
};
|
||||
|
||||
} // end of namespace llvm
|
||||
} // end namespace llvm
|
||||
|
||||
#endif
|
||||
#endif // LLVM_LIB_TARGET_MIPS_MIPSMACHINEFUNCTION_H
|
||||
|
|
|
|||
Loading…
Reference in New Issue