Upgrade our copy of llvm/clang to 3.2 release.

Release notes for llvm:
http://llvm.org/releases/3.2/docs/ReleaseNotes.html

Release notes for clang:
http://llvm.org/releases/3.2/tools/clang/docs/ReleaseNotes.html

MFC after:	2 weeks
This commit is contained in:
Dimitry Andric 2012-12-23 13:04:00 +00:00
commit c80e6c4bec
27 changed files with 245 additions and 289 deletions

View file

@ -197,7 +197,11 @@ public:
VK_Mips_GOT_PAGE,
VK_Mips_GOT_OFST,
VK_Mips_HIGHER,
VK_Mips_HIGHEST
VK_Mips_HIGHEST,
VK_Mips_GOT_HI16,
VK_Mips_GOT_LO16,
VK_Mips_CALL_HI16,
VK_Mips_CALL_LO16
};
private:

View file

@ -346,7 +346,7 @@ uint8_t *RuntimeDyldImpl::createStubFunction(uint8_t *Addr) {
uint32_t *StubAddr = (uint32_t*)Addr;
*StubAddr = 0xe51ff004; // ldr pc,<label>
return (uint8_t*)++StubAddr;
} else if (Arch == Triple::mipsel) {
} else if (Arch == Triple::mipsel || Arch == Triple::mips) {
uint32_t *StubAddr = (uint32_t*)Addr;
// 0: 3c190000 lui t9,%hi(addr).
// 4: 27390000 addiu t9,t9,%lo(addr).

View file

@ -676,7 +676,8 @@ void RuntimeDyldELF::processRelocationRef(const ObjRelocationInfo &Rel,
RelType, 0);
Section.StubOffset += getMaxStubSize();
}
} else if (Arch == Triple::mipsel && RelType == ELF::R_MIPS_26) {
} else if ((Arch == Triple::mipsel || Arch == Triple::mips) &&
RelType == ELF::R_MIPS_26) {
// This is an Mips branch relocation, need to use a stub function.
DEBUG(dbgs() << "\t\tThis is a Mips branch relocation.");
SectionEntry &Section = Sections[Rel.SectionID];

View file

@ -168,7 +168,7 @@ protected:
inline unsigned getMaxStubSize() {
if (Arch == Triple::arm || Arch == Triple::thumb)
return 8; // 32-bit instruction and 32-bit address
else if (Arch == Triple::mipsel)
else if (Arch == Triple::mipsel || Arch == Triple::mips)
return 16;
else if (Arch == Triple::ppc64)
return 44;

View file

@ -229,6 +229,10 @@ StringRef MCSymbolRefExpr::getVariantKindName(VariantKind Kind) {
case VK_Mips_GOT_OFST: return "GOT_OFST";
case VK_Mips_HIGHER: return "HIGHER";
case VK_Mips_HIGHEST: return "HIGHEST";
case VK_Mips_GOT_HI16: return "GOT_HI16";
case VK_Mips_GOT_LO16: return "GOT_LO16";
case VK_Mips_CALL_HI16: return "CALL_HI16";
case VK_Mips_CALL_LO16: return "CALL_LO16";
}
llvm_unreachable("Invalid variant kind");
}

View file

@ -128,6 +128,10 @@ static void printExpr(const MCExpr *Expr, raw_ostream &OS) {
case MCSymbolRefExpr::VK_Mips_GOT_OFST: OS << "%got_ofst("; break;
case MCSymbolRefExpr::VK_Mips_HIGHER: OS << "%higher("; break;
case MCSymbolRefExpr::VK_Mips_HIGHEST: OS << "%highest("; break;
case MCSymbolRefExpr::VK_Mips_GOT_HI16: OS << "%got_hi("; break;
case MCSymbolRefExpr::VK_Mips_GOT_LO16: OS << "%got_lo("; break;
case MCSymbolRefExpr::VK_Mips_CALL_HI16: OS << "%call_hi("; break;
case MCSymbolRefExpr::VK_Mips_CALL_LO16: OS << "%call_lo("; break;
}
OS << SRE->getSymbol();

View file

@ -42,6 +42,8 @@ static unsigned adjustFixupValue(unsigned Kind, uint64_t Value) {
case Mips::fixup_Mips_GOT_PAGE:
case Mips::fixup_Mips_GOT_OFST:
case Mips::fixup_Mips_GOT_DISP:
case Mips::fixup_Mips_GOT_LO16:
case Mips::fixup_Mips_CALL_LO16:
break;
case Mips::fixup_Mips_PC16:
// So far we are only using this type for branches.
@ -60,6 +62,8 @@ static unsigned adjustFixupValue(unsigned Kind, uint64_t Value) {
break;
case Mips::fixup_Mips_HI16:
case Mips::fixup_Mips_GOT_Local:
case Mips::fixup_Mips_GOT_HI16:
case Mips::fixup_Mips_CALL_HI16:
// Get the 2nd 16-bits. Also add 1 if bit 15 is 1.
Value = ((Value + 0x8000) >> 16) & 0xffff;
break;
@ -179,7 +183,11 @@ public:
{ "fixup_Mips_GOT_OFST", 0, 16, 0 },
{ "fixup_Mips_GOT_DISP", 0, 16, 0 },
{ "fixup_Mips_HIGHER", 0, 16, 0 },
{ "fixup_Mips_HIGHEST", 0, 16, 0 }
{ "fixup_Mips_HIGHEST", 0, 16, 0 },
{ "fixup_Mips_GOT_HI16", 0, 16, 0 },
{ "fixup_Mips_GOT_LO16", 0, 16, 0 },
{ "fixup_Mips_CALL_HI16", 0, 16, 0 },
{ "fixup_Mips_CALL_LO16", 0, 16, 0 }
};
if (Kind < FirstTargetFixupKind)

View file

@ -84,7 +84,13 @@ namespace MipsII {
/// MO_HIGHER/HIGHEST - Represents the highest or higher half word of a
/// 64-bit symbol address.
MO_HIGHER,
MO_HIGHEST
MO_HIGHEST,
/// MO_GOT_HI16/LO16, MO_CALL_HI16/LO16 - Relocations used for large GOTs.
MO_GOT_HI16,
MO_GOT_LO16,
MO_CALL_HI16,
MO_CALL_LO16
};
enum {

View file

@ -179,6 +179,18 @@ unsigned MipsELFObjectWriter::GetRelocType(const MCValue &Target,
case Mips::fixup_Mips_HIGHEST:
Type = ELF::R_MIPS_HIGHEST;
break;
case Mips::fixup_Mips_GOT_HI16:
Type = ELF::R_MIPS_GOT_HI16;
break;
case Mips::fixup_Mips_GOT_LO16:
Type = ELF::R_MIPS_GOT_LO16;
break;
case Mips::fixup_Mips_CALL_HI16:
Type = ELF::R_MIPS_CALL_HI16;
break;
case Mips::fixup_Mips_CALL_LO16:
Type = ELF::R_MIPS_CALL_LO16;
break;
}
return Type;
}

View file

@ -116,6 +116,18 @@ namespace Mips {
// resulting in - R_MIPS_HIGHEST
fixup_Mips_HIGHEST,
// resulting in - R_MIPS_GOT_HI16
fixup_Mips_GOT_HI16,
// resulting in - R_MIPS_GOT_LO16
fixup_Mips_GOT_LO16,
// resulting in - R_MIPS_CALL_HI16
fixup_Mips_CALL_HI16,
// resulting in - R_MIPS_CALL_LO16
fixup_Mips_CALL_LO16,
// Marker
LastTargetFixupKind,
NumTargetFixupKinds = LastTargetFixupKind - FirstTargetFixupKind

View file

@ -287,6 +287,18 @@ getMachineOpValue(const MCInst &MI, const MCOperand &MO,
case MCSymbolRefExpr::VK_Mips_HIGHEST:
FixupKind = Mips::fixup_Mips_HIGHEST;
break;
case MCSymbolRefExpr::VK_Mips_GOT_HI16:
FixupKind = Mips::fixup_Mips_GOT_HI16;
break;
case MCSymbolRefExpr::VK_Mips_GOT_LO16:
FixupKind = Mips::fixup_Mips_GOT_LO16;
break;
case MCSymbolRefExpr::VK_Mips_CALL_HI16:
FixupKind = Mips::fixup_Mips_CALL_HI16;
break;
case MCSymbolRefExpr::VK_Mips_CALL_LO16:
FixupKind = Mips::fixup_Mips_CALL_LO16;
break;
} // switch
Fixups.push_back(MCFixup::Create(0, MO.getExpr(), MCFixupKind(FixupKind)));

View file

@ -255,6 +255,7 @@ def : MipsPat<(MipsHi tblockaddress:$in), (LUi64 tblockaddress:$in)>;
def : MipsPat<(MipsHi tjumptable:$in), (LUi64 tjumptable:$in)>;
def : MipsPat<(MipsHi tconstpool:$in), (LUi64 tconstpool:$in)>;
def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi64 tglobaltlsaddr:$in)>;
def : MipsPat<(MipsHi texternalsym:$in), (LUi64 texternalsym:$in)>;
def : MipsPat<(MipsLo tglobaladdr:$in), (DADDiu ZERO_64, tglobaladdr:$in)>;
def : MipsPat<(MipsLo tblockaddress:$in), (DADDiu ZERO_64, tblockaddress:$in)>;
@ -262,6 +263,7 @@ def : MipsPat<(MipsLo tjumptable:$in), (DADDiu ZERO_64, tjumptable:$in)>;
def : MipsPat<(MipsLo tconstpool:$in), (DADDiu ZERO_64, tconstpool:$in)>;
def : MipsPat<(MipsLo tglobaltlsaddr:$in),
(DADDiu ZERO_64, tglobaltlsaddr:$in)>;
def : MipsPat<(MipsLo texternalsym:$in), (DADDiu ZERO_64, texternalsym:$in)>;
def : MipsPat<(add CPU64Regs:$hi, (MipsLo tglobaladdr:$lo)),
(DADDiu CPU64Regs:$hi, tglobaladdr:$lo)>;

View file

@ -85,7 +85,7 @@ class MipsCodeEmitter : public MachineFunctionPass {
private:
void emitWordLE(unsigned Word);
void emitWord(unsigned Word);
/// Routines that handle operands which add machine relocations which are
/// fixed up by the relocation stage.
@ -112,12 +112,6 @@ class MipsCodeEmitter : public MachineFunctionPass {
unsigned getSizeExtEncoding(const MachineInstr &MI, unsigned OpNo) const;
unsigned getSizeInsEncoding(const MachineInstr &MI, unsigned OpNo) const;
int emitULW(const MachineInstr &MI);
int emitUSW(const MachineInstr &MI);
int emitULH(const MachineInstr &MI);
int emitULHu(const MachineInstr &MI);
int emitUSH(const MachineInstr &MI);
void emitGlobalAddressUnaligned(const GlobalValue *GV, unsigned Reloc,
int Offset) const;
};
@ -133,7 +127,7 @@ bool MipsCodeEmitter::runOnMachineFunction(MachineFunction &MF) {
MCPEs = &MF.getConstantPool()->getConstants();
MJTEs = 0;
if (MF.getJumpTableInfo()) MJTEs = &MF.getJumpTableInfo()->getJumpTables();
JTI->Initialize(MF, IsPIC);
JTI->Initialize(MF, IsPIC, Subtarget->isLittle());
MCE.setModuleInfo(&getAnalysis<MachineModuleInfo> ());
do {
@ -271,103 +265,6 @@ void MipsCodeEmitter::emitMachineBasicBlock(MachineBasicBlock *BB,
Reloc, BB));
}
int MipsCodeEmitter::emitUSW(const MachineInstr &MI) {
unsigned src = getMachineOpValue(MI, MI.getOperand(0));
unsigned base = getMachineOpValue(MI, MI.getOperand(1));
unsigned offset = getMachineOpValue(MI, MI.getOperand(2));
// swr src, offset(base)
// swl src, offset+3(base)
MCE.emitWordLE(
(0x2e << 26) | (base << 21) | (src << 16) | (offset & 0xffff));
MCE.emitWordLE(
(0x2a << 26) | (base << 21) | (src << 16) | ((offset+3) & 0xffff));
return 2;
}
int MipsCodeEmitter::emitULW(const MachineInstr &MI) {
unsigned dst = getMachineOpValue(MI, MI.getOperand(0));
unsigned base = getMachineOpValue(MI, MI.getOperand(1));
unsigned offset = getMachineOpValue(MI, MI.getOperand(2));
unsigned at = 1;
if (dst != base) {
// lwr dst, offset(base)
// lwl dst, offset+3(base)
MCE.emitWordLE(
(0x26 << 26) | (base << 21) | (dst << 16) | (offset & 0xffff));
MCE.emitWordLE(
(0x22 << 26) | (base << 21) | (dst << 16) | ((offset+3) & 0xffff));
return 2;
} else {
// lwr at, offset(base)
// lwl at, offset+3(base)
// addu dst, at, $zero
MCE.emitWordLE(
(0x26 << 26) | (base << 21) | (at << 16) | (offset & 0xffff));
MCE.emitWordLE(
(0x22 << 26) | (base << 21) | (at << 16) | ((offset+3) & 0xffff));
MCE.emitWordLE(
(0x0 << 26) | (at << 21) | (0x0 << 16) | (dst << 11) | (0x0 << 6) | 0x21);
return 3;
}
}
int MipsCodeEmitter::emitUSH(const MachineInstr &MI) {
unsigned src = getMachineOpValue(MI, MI.getOperand(0));
unsigned base = getMachineOpValue(MI, MI.getOperand(1));
unsigned offset = getMachineOpValue(MI, MI.getOperand(2));
unsigned at = 1;
// sb src, offset(base)
// srl at,src,8
// sb at, offset+1(base)
MCE.emitWordLE(
(0x28 << 26) | (base << 21) | (src << 16) | (offset & 0xffff));
MCE.emitWordLE(
(0x0 << 26) | (0x0 << 21) | (src << 16) | (at << 11) | (0x8 << 6) | 0x2);
MCE.emitWordLE(
(0x28 << 26) | (base << 21) | (at << 16) | ((offset+1) & 0xffff));
return 3;
}
int MipsCodeEmitter::emitULH(const MachineInstr &MI) {
unsigned dst = getMachineOpValue(MI, MI.getOperand(0));
unsigned base = getMachineOpValue(MI, MI.getOperand(1));
unsigned offset = getMachineOpValue(MI, MI.getOperand(2));
unsigned at = 1;
// lbu at, offset(base)
// lb dst, offset+1(base)
// sll dst,dst,8
// or dst,dst,at
MCE.emitWordLE(
(0x24 << 26) | (base << 21) | (at << 16) | (offset & 0xffff));
MCE.emitWordLE(
(0x20 << 26) | (base << 21) | (dst << 16) | ((offset+1) & 0xffff));
MCE.emitWordLE(
(0x0 << 26) | (0x0 << 21) | (dst << 16) | (dst << 11) | (0x8 << 6) | 0x0);
MCE.emitWordLE(
(0x0 << 26) | (dst << 21) | (at << 16) | (dst << 11) | (0x0 << 6) | 0x25);
return 4;
}
int MipsCodeEmitter::emitULHu(const MachineInstr &MI) {
unsigned dst = getMachineOpValue(MI, MI.getOperand(0));
unsigned base = getMachineOpValue(MI, MI.getOperand(1));
unsigned offset = getMachineOpValue(MI, MI.getOperand(2));
unsigned at = 1;
// lbu at, offset(base)
// lbu dst, offset+1(base)
// sll dst,dst,8
// or dst,dst,at
MCE.emitWordLE(
(0x24 << 26) | (base << 21) | (at << 16) | (offset & 0xffff));
MCE.emitWordLE(
(0x24 << 26) | (base << 21) | (dst << 16) | ((offset+1) & 0xffff));
MCE.emitWordLE(
(0x0 << 26) | (0x0 << 21) | (dst << 16) | (dst << 11) | (0x8 << 6) | 0x0);
MCE.emitWordLE(
(0x0 << 26) | (dst << 21) | (at << 16) | (dst << 11) | (0x0 << 6) | 0x25);
return 4;
}
void MipsCodeEmitter::emitInstruction(const MachineInstr &MI) {
DEBUG(errs() << "JIT: " << (void*)MCE.getCurrentPCValue() << ":\t" << MI);
@ -377,16 +274,19 @@ void MipsCodeEmitter::emitInstruction(const MachineInstr &MI) {
if ((MI.getDesc().TSFlags & MipsII::FormMask) == MipsII::Pseudo)
return;
emitWordLE(getBinaryCodeForInstr(MI));
emitWord(getBinaryCodeForInstr(MI));
++NumEmitted; // Keep track of the # of mi's emitted
MCE.processDebugLoc(MI.getDebugLoc(), false);
}
void MipsCodeEmitter::emitWordLE(unsigned Word) {
void MipsCodeEmitter::emitWord(unsigned Word) {
DEBUG(errs() << " 0x";
errs().write_hex(Word) << "\n");
MCE.emitWordLE(Word);
if (Subtarget->isLittle())
MCE.emitWordLE(Word);
else
MCE.emitWordBE(Word);
}
/// createMipsJITCodeEmitterPass - Return a pass that emits the collected Mips

View file

@ -46,6 +46,10 @@ static cl::opt<bool>
EnableMipsTailCalls("enable-mips-tail-calls", cl::Hidden,
cl::desc("MIPS: Enable tail calls."), cl::init(false));
static cl::opt<bool>
LargeGOT("mxgot", cl::Hidden,
cl::desc("MIPS: Enable GOT larger than 64k."), cl::init(false));
static const uint16_t O32IntRegs[4] = {
Mips::A0, Mips::A1, Mips::A2, Mips::A3
};
@ -77,6 +81,71 @@ static SDValue GetGlobalReg(SelectionDAG &DAG, EVT Ty) {
return DAG.getRegister(FI->getGlobalBaseReg(), Ty);
}
static SDValue getTargetNode(SDValue Op, SelectionDAG &DAG, unsigned Flag) {
EVT Ty = Op.getValueType();
if (GlobalAddressSDNode *N = dyn_cast<GlobalAddressSDNode>(Op))
return DAG.getTargetGlobalAddress(N->getGlobal(), Op.getDebugLoc(), Ty, 0,
Flag);
if (ExternalSymbolSDNode *N = dyn_cast<ExternalSymbolSDNode>(Op))
return DAG.getTargetExternalSymbol(N->getSymbol(), Ty, Flag);
if (BlockAddressSDNode *N = dyn_cast<BlockAddressSDNode>(Op))
return DAG.getTargetBlockAddress(N->getBlockAddress(), Ty, 0, Flag);
if (JumpTableSDNode *N = dyn_cast<JumpTableSDNode>(Op))
return DAG.getTargetJumpTable(N->getIndex(), Ty, Flag);
if (ConstantPoolSDNode *N = dyn_cast<ConstantPoolSDNode>(Op))
return DAG.getTargetConstantPool(N->getConstVal(), Ty, N->getAlignment(),
N->getOffset(), Flag);
llvm_unreachable("Unexpected node type.");
return SDValue();
}
static SDValue getAddrNonPIC(SDValue Op, SelectionDAG &DAG) {
DebugLoc DL = Op.getDebugLoc();
EVT Ty = Op.getValueType();
SDValue Hi = getTargetNode(Op, DAG, MipsII::MO_ABS_HI);
SDValue Lo = getTargetNode(Op, DAG, MipsII::MO_ABS_LO);
return DAG.getNode(ISD::ADD, DL, Ty,
DAG.getNode(MipsISD::Hi, DL, Ty, Hi),
DAG.getNode(MipsISD::Lo, DL, Ty, Lo));
}
static SDValue getAddrLocal(SDValue Op, SelectionDAG &DAG, bool HasMips64) {
DebugLoc DL = Op.getDebugLoc();
EVT Ty = Op.getValueType();
unsigned GOTFlag = HasMips64 ? MipsII::MO_GOT_PAGE : MipsII::MO_GOT;
SDValue GOT = DAG.getNode(MipsISD::Wrapper, DL, Ty, GetGlobalReg(DAG, Ty),
getTargetNode(Op, DAG, GOTFlag));
SDValue Load = DAG.getLoad(Ty, DL, DAG.getEntryNode(), GOT,
MachinePointerInfo::getGOT(), false, false, false,
0);
unsigned LoFlag = HasMips64 ? MipsII::MO_GOT_OFST : MipsII::MO_ABS_LO;
SDValue Lo = DAG.getNode(MipsISD::Lo, DL, Ty, getTargetNode(Op, DAG, LoFlag));
return DAG.getNode(ISD::ADD, DL, Ty, Load, Lo);
}
static SDValue getAddrGlobal(SDValue Op, SelectionDAG &DAG, unsigned Flag) {
DebugLoc DL = Op.getDebugLoc();
EVT Ty = Op.getValueType();
SDValue Tgt = DAG.getNode(MipsISD::Wrapper, DL, Ty, GetGlobalReg(DAG, Ty),
getTargetNode(Op, DAG, Flag));
return DAG.getLoad(Ty, DL, DAG.getEntryNode(), Tgt,
MachinePointerInfo::getGOT(), false, false, false, 0);
}
static SDValue getAddrGlobalLargeGOT(SDValue Op, SelectionDAG &DAG,
unsigned HiFlag, unsigned LoFlag) {
DebugLoc DL = Op.getDebugLoc();
EVT Ty = Op.getValueType();
SDValue Hi = DAG.getNode(MipsISD::Hi, DL, Ty, getTargetNode(Op, DAG, HiFlag));
Hi = DAG.getNode(ISD::ADD, DL, Ty, Hi, GetGlobalReg(DAG, Ty));
SDValue Wrapper = DAG.getNode(MipsISD::Wrapper, DL, Ty, Hi,
getTargetNode(Op, DAG, LoFlag));
return DAG.getLoad(Ty, DL, DAG.getEntryNode(), Wrapper,
MachinePointerInfo::getGOT(), false, false, false, 0);
}
const char *MipsTargetLowering::getTargetNodeName(unsigned Opcode) const {
switch (Opcode) {
case MipsISD::JmpLink: return "MipsISD::JmpLink";
@ -1743,8 +1812,6 @@ SDValue MipsTargetLowering::LowerGlobalAddress(SDValue Op,
const GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64) {
SDVTList VTs = DAG.getVTList(MVT::i32);
const MipsTargetObjectFile &TLOF =
(const MipsTargetObjectFile&)getObjFileLowering();
@ -1752,69 +1819,33 @@ SDValue MipsTargetLowering::LowerGlobalAddress(SDValue Op,
if (TLOF.IsGlobalInSmallSection(GV, getTargetMachine())) {
SDValue GA = DAG.getTargetGlobalAddress(GV, dl, MVT::i32, 0,
MipsII::MO_GPREL);
SDValue GPRelNode = DAG.getNode(MipsISD::GPRel, dl, VTs, &GA, 1);
SDValue GPRelNode = DAG.getNode(MipsISD::GPRel, dl,
DAG.getVTList(MVT::i32), &GA, 1);
SDValue GPReg = DAG.getRegister(Mips::GP, MVT::i32);
return DAG.getNode(ISD::ADD, dl, MVT::i32, GPReg, GPRelNode);
}
// %hi/%lo relocation
SDValue GAHi = DAG.getTargetGlobalAddress(GV, dl, MVT::i32, 0,
MipsII::MO_ABS_HI);
SDValue GALo = DAG.getTargetGlobalAddress(GV, dl, MVT::i32, 0,
MipsII::MO_ABS_LO);
SDValue HiPart = DAG.getNode(MipsISD::Hi, dl, VTs, &GAHi, 1);
SDValue Lo = DAG.getNode(MipsISD::Lo, dl, MVT::i32, GALo);
return DAG.getNode(ISD::ADD, dl, MVT::i32, HiPart, Lo);
return getAddrNonPIC(Op, DAG);
}
EVT ValTy = Op.getValueType();
bool HasGotOfst = (GV->hasInternalLinkage() ||
(GV->hasLocalLinkage() && !isa<Function>(GV)));
unsigned GotFlag = HasMips64 ?
(HasGotOfst ? MipsII::MO_GOT_PAGE : MipsII::MO_GOT_DISP) :
(HasGotOfst ? MipsII::MO_GOT : MipsII::MO_GOT16);
SDValue GA = DAG.getTargetGlobalAddress(GV, dl, ValTy, 0, GotFlag);
GA = DAG.getNode(MipsISD::Wrapper, dl, ValTy, GetGlobalReg(DAG, ValTy), GA);
SDValue ResNode = DAG.getLoad(ValTy, dl, DAG.getEntryNode(), GA,
MachinePointerInfo(), false, false, false, 0);
// On functions and global targets not internal linked only
// a load from got/GP is necessary for PIC to work.
if (!HasGotOfst)
return ResNode;
SDValue GALo = DAG.getTargetGlobalAddress(GV, dl, ValTy, 0,
HasMips64 ? MipsII::MO_GOT_OFST :
MipsII::MO_ABS_LO);
SDValue Lo = DAG.getNode(MipsISD::Lo, dl, ValTy, GALo);
return DAG.getNode(ISD::ADD, dl, ValTy, ResNode, Lo);
if (GV->hasInternalLinkage() || (GV->hasLocalLinkage() && !isa<Function>(GV)))
return getAddrLocal(Op, DAG, HasMips64);
if (LargeGOT)
return getAddrGlobalLargeGOT(Op, DAG, MipsII::MO_GOT_HI16,
MipsII::MO_GOT_LO16);
return getAddrGlobal(Op, DAG,
HasMips64 ? MipsII::MO_GOT_DISP : MipsII::MO_GOT16);
}
SDValue MipsTargetLowering::LowerBlockAddress(SDValue Op,
SelectionDAG &DAG) const {
const BlockAddress *BA = cast<BlockAddressSDNode>(Op)->getBlockAddress();
// FIXME there isn't actually debug info here
DebugLoc dl = Op.getDebugLoc();
if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64)
return getAddrNonPIC(Op, DAG);
if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64) {
// %hi/%lo relocation
SDValue BAHi =
DAG.getTargetBlockAddress(BA, MVT::i32, 0, MipsII::MO_ABS_HI);
SDValue BALo =
DAG.getTargetBlockAddress(BA, MVT::i32, 0, MipsII::MO_ABS_LO);
SDValue Hi = DAG.getNode(MipsISD::Hi, dl, MVT::i32, BAHi);
SDValue Lo = DAG.getNode(MipsISD::Lo, dl, MVT::i32, BALo);
return DAG.getNode(ISD::ADD, dl, MVT::i32, Hi, Lo);
}
EVT ValTy = Op.getValueType();
unsigned GOTFlag = HasMips64 ? MipsII::MO_GOT_PAGE : MipsII::MO_GOT;
unsigned OFSTFlag = HasMips64 ? MipsII::MO_GOT_OFST : MipsII::MO_ABS_LO;
SDValue BAGOTOffset = DAG.getTargetBlockAddress(BA, ValTy, 0, GOTFlag);
BAGOTOffset = DAG.getNode(MipsISD::Wrapper, dl, ValTy,
GetGlobalReg(DAG, ValTy), BAGOTOffset);
SDValue BALOOffset = DAG.getTargetBlockAddress(BA, ValTy, 0, OFSTFlag);
SDValue Load = DAG.getLoad(ValTy, dl, DAG.getEntryNode(), BAGOTOffset,
MachinePointerInfo(), false, false, false, 0);
SDValue Lo = DAG.getNode(MipsISD::Lo, dl, ValTy, BALOOffset);
return DAG.getNode(ISD::ADD, dl, ValTy, Load, Lo);
return getAddrLocal(Op, DAG, HasMips64);
}
SDValue MipsTargetLowering::
@ -1901,41 +1932,15 @@ LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) const
SDValue MipsTargetLowering::
LowerJumpTable(SDValue Op, SelectionDAG &DAG) const
{
SDValue HiPart, JTI, JTILo;
// FIXME there isn't actually debug info here
DebugLoc dl = Op.getDebugLoc();
bool IsPIC = getTargetMachine().getRelocationModel() == Reloc::PIC_;
EVT PtrVT = Op.getValueType();
JumpTableSDNode *JT = cast<JumpTableSDNode>(Op);
if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64)
return getAddrNonPIC(Op, DAG);
if (!IsPIC && !IsN64) {
JTI = DAG.getTargetJumpTable(JT->getIndex(), PtrVT, MipsII::MO_ABS_HI);
HiPart = DAG.getNode(MipsISD::Hi, dl, PtrVT, JTI);
JTILo = DAG.getTargetJumpTable(JT->getIndex(), PtrVT, MipsII::MO_ABS_LO);
} else {// Emit Load from Global Pointer
unsigned GOTFlag = HasMips64 ? MipsII::MO_GOT_PAGE : MipsII::MO_GOT;
unsigned OfstFlag = HasMips64 ? MipsII::MO_GOT_OFST : MipsII::MO_ABS_LO;
JTI = DAG.getTargetJumpTable(JT->getIndex(), PtrVT, GOTFlag);
JTI = DAG.getNode(MipsISD::Wrapper, dl, PtrVT, GetGlobalReg(DAG, PtrVT),
JTI);
HiPart = DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), JTI,
MachinePointerInfo(), false, false, false, 0);
JTILo = DAG.getTargetJumpTable(JT->getIndex(), PtrVT, OfstFlag);
}
SDValue Lo = DAG.getNode(MipsISD::Lo, dl, PtrVT, JTILo);
return DAG.getNode(ISD::ADD, dl, PtrVT, HiPart, Lo);
return getAddrLocal(Op, DAG, HasMips64);
}
SDValue MipsTargetLowering::
LowerConstantPool(SDValue Op, SelectionDAG &DAG) const
{
SDValue ResNode;
ConstantPoolSDNode *N = cast<ConstantPoolSDNode>(Op);
const Constant *C = N->getConstVal();
// FIXME there isn't actually debug info here
DebugLoc dl = Op.getDebugLoc();
// gp_rel relocation
// FIXME: we should reference the constant pool using small data sections,
// but the asm printer currently doesn't support this feature without
@ -1946,31 +1951,10 @@ LowerConstantPool(SDValue Op, SelectionDAG &DAG) const
// SDValue GOT = DAG.getGLOBAL_OFFSET_TABLE(MVT::i32);
// ResNode = DAG.getNode(ISD::ADD, MVT::i32, GOT, GPRelNode);
if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64) {
SDValue CPHi = DAG.getTargetConstantPool(C, MVT::i32, N->getAlignment(),
N->getOffset(), MipsII::MO_ABS_HI);
SDValue CPLo = DAG.getTargetConstantPool(C, MVT::i32, N->getAlignment(),
N->getOffset(), MipsII::MO_ABS_LO);
SDValue HiPart = DAG.getNode(MipsISD::Hi, dl, MVT::i32, CPHi);
SDValue Lo = DAG.getNode(MipsISD::Lo, dl, MVT::i32, CPLo);
ResNode = DAG.getNode(ISD::ADD, dl, MVT::i32, HiPart, Lo);
} else {
EVT ValTy = Op.getValueType();
unsigned GOTFlag = HasMips64 ? MipsII::MO_GOT_PAGE : MipsII::MO_GOT;
unsigned OFSTFlag = HasMips64 ? MipsII::MO_GOT_OFST : MipsII::MO_ABS_LO;
SDValue CP = DAG.getTargetConstantPool(C, ValTy, N->getAlignment(),
N->getOffset(), GOTFlag);
CP = DAG.getNode(MipsISD::Wrapper, dl, ValTy, GetGlobalReg(DAG, ValTy), CP);
SDValue Load = DAG.getLoad(ValTy, dl, DAG.getEntryNode(), CP,
MachinePointerInfo::getConstantPool(), false,
false, false, 0);
SDValue CPLo = DAG.getTargetConstantPool(C, ValTy, N->getAlignment(),
N->getOffset(), OFSTFlag);
SDValue Lo = DAG.getNode(MipsISD::Lo, dl, ValTy, CPLo);
ResNode = DAG.getNode(ISD::ADD, dl, ValTy, Load, Lo);
}
if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64)
return getAddrNonPIC(Op, DAG);
return ResNode;
return getAddrLocal(Op, DAG, HasMips64);
}
SDValue MipsTargetLowering::LowerVASTART(SDValue Op, SelectionDAG &DAG) const {
@ -2862,60 +2846,41 @@ MipsTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
// If the callee is a GlobalAddress/ExternalSymbol node (quite common, every
// direct call is) turn it into a TargetGlobalAddress/TargetExternalSymbol
// node so that legalize doesn't hack it.
unsigned char OpFlag;
bool IsPICCall = (IsN64 || IsPIC); // true if calls are translated to jalr $25
bool GlobalOrExternal = false;
SDValue CalleeLo;
if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee)) {
if (IsPICCall && G->getGlobal()->hasInternalLinkage()) {
OpFlag = IsO32 ? MipsII::MO_GOT : MipsII::MO_GOT_PAGE;
unsigned char LoFlag = IsO32 ? MipsII::MO_ABS_LO : MipsII::MO_GOT_OFST;
if (IsPICCall) {
if (G->getGlobal()->hasInternalLinkage())
Callee = getAddrLocal(Callee, DAG, HasMips64);
else if (LargeGOT)
Callee = getAddrGlobalLargeGOT(Callee, DAG, MipsII::MO_CALL_HI16,
MipsII::MO_CALL_LO16);
else
Callee = getAddrGlobal(Callee, DAG, MipsII::MO_GOT_CALL);
} else
Callee = DAG.getTargetGlobalAddress(G->getGlobal(), dl, getPointerTy(), 0,
OpFlag);
CalleeLo = DAG.getTargetGlobalAddress(G->getGlobal(), dl, getPointerTy(),
0, LoFlag);
} else {
OpFlag = IsPICCall ? MipsII::MO_GOT_CALL : MipsII::MO_NO_FLAG;
Callee = DAG.getTargetGlobalAddress(G->getGlobal(), dl,
getPointerTy(), 0, OpFlag);
}
MipsII::MO_NO_FLAG);
GlobalOrExternal = true;
}
else if (ExternalSymbolSDNode *S = dyn_cast<ExternalSymbolSDNode>(Callee)) {
if (IsN64 || (!IsO32 && IsPIC))
OpFlag = MipsII::MO_GOT_DISP;
else if (!IsPIC) // !N64 && static
OpFlag = MipsII::MO_NO_FLAG;
if (!IsN64 && !IsPIC) // !N64 && static
Callee = DAG.getTargetExternalSymbol(S->getSymbol(), getPointerTy(),
MipsII::MO_NO_FLAG);
else if (LargeGOT)
Callee = getAddrGlobalLargeGOT(Callee, DAG, MipsII::MO_CALL_HI16,
MipsII::MO_CALL_LO16);
else if (HasMips64)
Callee = getAddrGlobal(Callee, DAG, MipsII::MO_GOT_DISP);
else // O32 & PIC
OpFlag = MipsII::MO_GOT_CALL;
Callee = DAG.getTargetExternalSymbol(S->getSymbol(), getPointerTy(),
OpFlag);
Callee = getAddrGlobal(Callee, DAG, MipsII::MO_GOT_CALL);
GlobalOrExternal = true;
}
SDValue InFlag;
// Create nodes that load address of callee and copy it to T9
if (IsPICCall) {
if (GlobalOrExternal) {
// Load callee address
Callee = DAG.getNode(MipsISD::Wrapper, dl, getPointerTy(),
GetGlobalReg(DAG, getPointerTy()), Callee);
SDValue LoadValue = DAG.getLoad(getPointerTy(), dl, DAG.getEntryNode(),
Callee, MachinePointerInfo::getGOT(),
false, false, false, 0);
// Use GOT+LO if callee has internal linkage.
if (CalleeLo.getNode()) {
SDValue Lo = DAG.getNode(MipsISD::Lo, dl, getPointerTy(), CalleeLo);
Callee = DAG.getNode(ISD::ADD, dl, getPointerTy(), LoadValue, Lo);
} else
Callee = LoadValue;
}
}
// T9 register operand.
SDValue T9;

View file

@ -1154,12 +1154,14 @@ def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
def : MipsPat<(add CPURegs:$hi, (MipsLo tglobaladdr:$lo)),
(ADDiu CPURegs:$hi, tglobaladdr:$lo)>;

View file

@ -222,10 +222,17 @@ void *MipsJITInfo::emitFunctionStub(const Function *F, void *Fn,
// addiu t9, t9, %lo(EmittedAddr)
// jalr t8, t9
// nop
JCE.emitWordLE(0xf << 26 | 25 << 16 | Hi);
JCE.emitWordLE(9 << 26 | 25 << 21 | 25 << 16 | Lo);
JCE.emitWordLE(25 << 21 | 24 << 11 | 9);
JCE.emitWordLE(0);
if (IsLittleEndian) {
JCE.emitWordLE(0xf << 26 | 25 << 16 | Hi);
JCE.emitWordLE(9 << 26 | 25 << 21 | 25 << 16 | Lo);
JCE.emitWordLE(25 << 21 | 24 << 11 | 9);
JCE.emitWordLE(0);
} else {
JCE.emitWordBE(0xf << 26 | 25 << 16 | Hi);
JCE.emitWordBE(9 << 26 | 25 << 21 | 25 << 16 | Lo);
JCE.emitWordBE(25 << 21 | 24 << 11 | 9);
JCE.emitWordBE(0);
}
sys::Memory::InvalidateInstructionCache(Addr, 16);
if (!sys::Memory::setRangeExecutable(Addr, 16))

View file

@ -26,10 +26,11 @@ class MipsTargetMachine;
class MipsJITInfo : public TargetJITInfo {
bool IsPIC;
bool IsLittleEndian;
public:
explicit MipsJITInfo() :
IsPIC(false) {}
IsPIC(false), IsLittleEndian(true) {}
/// replaceMachineCodeForFunction - Make it so that calling the function
/// whose machine code is at OLD turns into a call to NEW, perhaps by
@ -58,8 +59,10 @@ class MipsJITInfo : public TargetJITInfo {
unsigned NumRelocs, unsigned char *GOTBase);
/// Initialize - Initialize internal stage for the function being JITted.
void Initialize(const MachineFunction &MF, bool isPIC) {
void Initialize(const MachineFunction &MF, bool isPIC,
bool isLittleEndian) {
IsPIC = isPIC;
IsLittleEndian = isLittleEndian;
}
};

View file

@ -62,6 +62,10 @@ MCOperand MipsMCInstLower::LowerSymbolOperand(const MachineOperand &MO,
case MipsII::MO_GOT_OFST: Kind = MCSymbolRefExpr::VK_Mips_GOT_OFST; break;
case MipsII::MO_HIGHER: Kind = MCSymbolRefExpr::VK_Mips_HIGHER; break;
case MipsII::MO_HIGHEST: Kind = MCSymbolRefExpr::VK_Mips_HIGHEST; break;
case MipsII::MO_GOT_HI16: Kind = MCSymbolRefExpr::VK_Mips_GOT_HI16; break;
case MipsII::MO_GOT_LO16: Kind = MCSymbolRefExpr::VK_Mips_GOT_LO16; break;
case MipsII::MO_CALL_HI16: Kind = MCSymbolRefExpr::VK_Mips_CALL_HI16; break;
case MipsII::MO_CALL_LO16: Kind = MCSymbolRefExpr::VK_Mips_CALL_LO16; break;
}
switch (MOTy) {

View file

@ -2160,6 +2160,9 @@ static bool isIntegerWideningViable(const DataLayout &TD,
AllocaPartitioning::const_use_iterator I,
AllocaPartitioning::const_use_iterator E) {
uint64_t SizeInBits = TD.getTypeSizeInBits(AllocaTy);
// Don't create integer types larger than the maximum bitwidth.
if (SizeInBits > IntegerType::MAX_INT_BITS)
return false;
// Don't try to handle allocas with bit-padding.
if (SizeInBits != TD.getTypeStoreSizeInBits(AllocaTy))
@ -2198,7 +2201,7 @@ static bool isIntegerWideningViable(const DataLayout &TD,
if (RelBegin == 0 && RelEnd == Size)
WholeAllocaOp = true;
if (IntegerType *ITy = dyn_cast<IntegerType>(LI->getType())) {
if (ITy->getBitWidth() < TD.getTypeStoreSize(ITy))
if (ITy->getBitWidth() < TD.getTypeStoreSizeInBits(ITy))
return false;
continue;
}
@ -2214,7 +2217,7 @@ static bool isIntegerWideningViable(const DataLayout &TD,
if (RelBegin == 0 && RelEnd == Size)
WholeAllocaOp = true;
if (IntegerType *ITy = dyn_cast<IntegerType>(ValueTy)) {
if (ITy->getBitWidth() < TD.getTypeStoreSize(ITy))
if (ITy->getBitWidth() < TD.getTypeStoreSizeInBits(ITy))
return false;
continue;
}

View file

@ -84,11 +84,18 @@ public:
/// TryScope - This is the scope of a C++ try statement.
TryScope = 0x1000,
/// CatchScope - This is the scope of a C++ catch statement.
CatchScope = 0x2000,
/// FnTryCatchScope - This is the scope for a function-level C++ try or
/// catch scope.
FnTryCatchScope = 0x4000,
/// FnTryScope - This is the scope of a function-level C++ try scope.
FnTryScope = 0x3000,
FnTryScope = TryScope | FnTryCatchScope,
/// FnCatchScope - This is the scope of a function-level C++ catch scope.
FnCatchScope = 0x4000
FnCatchScope = CatchScope | FnTryCatchScope
};
private:
/// The parent scope for this scope. This is null for the translation-unit

View file

@ -32,7 +32,7 @@ std::string getClangRepositoryPath() {
// If the SVN_REPOSITORY is empty, try to use the SVN keyword. This helps us
// pick up a tag in an SVN export, for example.
static StringRef SVNRepository("$URL: http://llvm.org/svn/llvm-project/cfe/branches/release_32/lib/Basic/Version.cpp $");
static StringRef SVNRepository("$URL: http://llvm.org/svn/llvm-project/cfe/tags/RELEASE_32/final/lib/Basic/Version.cpp $");
if (URL.empty()) {
URL = SVNRepository.slice(SVNRepository.find(':'),
SVNRepository.find("/lib/Basic"));

View file

@ -1855,6 +1855,8 @@ enum LinuxDistro {
UbuntuNatty,
UbuntuOneiric,
UbuntuPrecise,
UbuntuQuantal,
UbuntuRaring,
UnknownDistro
};
@ -1872,7 +1874,7 @@ static bool IsDebian(enum LinuxDistro Distro) {
}
static bool IsUbuntu(enum LinuxDistro Distro) {
return Distro >= UbuntuHardy && Distro <= UbuntuPrecise;
return Distro >= UbuntuHardy && Distro <= UbuntuRaring;
}
static LinuxDistro DetectLinuxDistro(llvm::Triple::ArchType Arch) {
@ -1894,6 +1896,8 @@ static LinuxDistro DetectLinuxDistro(llvm::Triple::ArchType Arch) {
.Case("natty", UbuntuNatty)
.Case("oneiric", UbuntuOneiric)
.Case("precise", UbuntuPrecise)
.Case("quantal", UbuntuQuantal)
.Case("raring", UbuntuRaring)
.Default(UnknownDistro);
return Version;
}

View file

@ -706,8 +706,7 @@ SourceLocation Parser::ParseDecltypeSpecifier(DeclSpec &DS) {
if (SkipUntil(tok::r_paren, /*StopAtSemi=*/true, /*DontConsume=*/true)) {
EndLoc = ConsumeParen();
} else {
assert(Tok.is(tok::semi));
if (PP.isBacktrackEnabled()) {
if (PP.isBacktrackEnabled() && Tok.is(tok::semi)) {
// Backtrack to get the location of the last token before the semi.
PP.RevertCachedTokens(2);
ConsumeToken(); // the semi.

View file

@ -2197,7 +2197,7 @@ StmtResult Parser::ParseCXXCatchBlock(bool FnCatch) {
// The name in a catch exception-declaration is local to the handler and
// shall not be redeclared in the outermost block of the handler.
ParseScope CatchScope(this, Scope::DeclScope | Scope::ControlScope |
(FnCatch ? Scope::FnCatchScope : 0));
(FnCatch ? Scope::FnCatchScope : Scope::CatchScope));
// exception-declaration is equivalent to '...' or a parameter-declaration
// without default arguments.

View file

@ -135,16 +135,13 @@ bool IdentifierResolver::isDeclInScope(Decl *D, DeclContext *Ctx,
// of the controlled statement.
//
assert(S->getParent() && "No TUScope?");
if (S->getFlags() & Scope::FnTryScope)
return S->getParent()->isDeclScope(D);
if (S->getParent()->getFlags() & Scope::ControlScope) {
if (S->getParent()->getFlags() & Scope::FnCatchScope) {
S = S->getParent();
if (S->isDeclScope(D))
return true;
}
return S->getParent()->isDeclScope(D);
S = S->getParent();
if (S->isDeclScope(D))
return true;
}
if (S->getFlags() & Scope::FnTryCatchScope)
return S->getParent()->isDeclScope(D);
}
return false;
}

View file

@ -5,6 +5,6 @@
#define CLANG_VERSION_MINOR 2
#define CLANG_VENDOR "FreeBSD "
#define CLANG_VENDOR_SUFFIX " 20121130"
#define CLANG_VENDOR_SUFFIX " 20121221"
#define SVN_REVISION "168974"
#define SVN_REVISION "170710"

View file

@ -1,5 +1,5 @@
.\" $FreeBSD$
.\" Automatically generated by Pod::Man 2.25 (Pod::Simple 3.16)
.\" Automatically generated by Pod::Man 2.25 (Pod::Simple 3.20)
.\"
.\" Standard preamble:
.\" ========================================================================
@ -125,7 +125,7 @@
.\" ========================================================================
.\"
.IX Title "CLANG 1"
.TH CLANG 1 "2012-08-09" "clang 3.2" "Clang Tools Documentation"
.TH CLANG 1 "2012-12-21" "clang 3.2" "Clang Tools Documentation"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
@ -231,8 +231,8 @@ Treat subsequent input files as having type \fIlanguage\fR.
.IP "\fB\-std\fR=\fIlanguage\fR" 4
.IX Item "-std=language"
Specify the language standard to compile for.
.IP "\fB\-stdlib\fR=\fIlanguage\fR" 4
.IX Item "-stdlib=language"
.IP "\fB\-stdlib\fR=\fIlibrary\fR" 4
.IX Item "-stdlib=library"
Specify the \*(C+ standard library to use; supported options are libstdc++ and
libc++.
.IP "\fB\-ansi\fR" 4