[llvm] r233204 - Add Hardware Transactional Memory (HTM) Support

Sean Silva chisophugis at gmail.com
Wed Mar 25 18:08:30 PDT 2015


Do any of the documents in
http://llvm.org/docs/CompilerWriterInfo.html#powerpc cover this ISA
extension? If not, could you add a link to docs/CompilerWriterInfo.rst ?

-- Sean Silva

On Wed, Mar 25, 2015 at 12:36 PM, Kit Barton <kbarton at ca.ibm.com> wrote:

> Author: kbarton
> Date: Wed Mar 25 14:36:23 2015
> New Revision: 233204
>
> URL: http://llvm.org/viewvc/llvm-project?rev=233204&view=rev
> Log:
> Add Hardware Transactional Memory (HTM) Support
>
> This patch adds Hardware Transaction Memory (HTM) support supported by ISA
> 2.07
> (POWER8). The intrinsic support is based on GCC one [1], but currently
> only the
> 'PowerPC HTM Low Level Built-in Function' are implemented.
>
> The HTM instructions follows the RC ones and the transaction initiation
> result
> is set on RC0 (with exception of tcheck). Currently approach is to create a
> register copy from CR0 to GPR and comapring. Although this is suboptimal,
> since
> the branch could be taken directly by comparing the CR0 value, it
> generates code
> correctly on both test and branch and just return value. A possible future
> optimization could be elimitate the MFCR instruction to branch directly.
>
> The HTM usage requires a recently newer kernel with PPC HTM enabled.
> Tested on
> powerpc64 and powerpc64le.
>
> This is send along a clang patch to enabled the builtins and option switch.
>
> [1]
> https://gcc.gnu.org/onlinedocs/gcc/PowerPC-Hardware-Transactional-Memory-Built-in-Functions.html
>
> Phabricator Review: http://reviews.llvm.org/D8247
>
> Added:
>     llvm/trunk/lib/Target/PowerPC/PPCInstrHTM.td
>     llvm/trunk/test/CodeGen/PowerPC/htm.ll
>     llvm/trunk/test/MC/PowerPC/htm.s
> Modified:
>     llvm/trunk/include/llvm/IR/IntrinsicsPowerPC.td
>     llvm/trunk/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
>     llvm/trunk/lib/Target/PowerPC/Disassembler/PPCDisassembler.cpp
>     llvm/trunk/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
>     llvm/trunk/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h
>     llvm/trunk/lib/Target/PowerPC/PPC.td
>     llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp
>     llvm/trunk/lib/Target/PowerPC/PPCInstr64Bit.td
>     llvm/trunk/lib/Target/PowerPC/PPCInstrFormats.td
>     llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.cpp
>     llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td
>     llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.cpp
>     llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.h
>     llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.td
>     llvm/trunk/lib/Target/PowerPC/PPCSubtarget.cpp
>     llvm/trunk/lib/Target/PowerPC/PPCSubtarget.h
>
> Modified: llvm/trunk/include/llvm/IR/IntrinsicsPowerPC.td
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/IntrinsicsPowerPC.td?rev=233204&r1=233203&r2=233204&view=diff
>
> ==============================================================================
> --- llvm/trunk/include/llvm/IR/IntrinsicsPowerPC.td (original)
> +++ llvm/trunk/include/llvm/IR/IntrinsicsPowerPC.td Wed Mar 25 14:36:23
> 2015
> @@ -796,3 +796,62 @@ let TargetPrefix = "ppc" in {  // All in
>                            [llvm_v4f64_ty], [llvm_i32_ty], [IntrNoMem]>;
>  }
>
>
> +//===----------------------------------------------------------------------===//
> +// PowerPC HTM Intrinsic Definitions.
> +
> +let TargetPrefix = "ppc" in {  // All intrinsics start with "llvm.ppc.".
> +
> +def int_ppc_tbegin :
> +      Intrinsic<[llvm_i32_ty], [llvm_i32_ty], []>;
> +def int_ppc_tend :
> +      Intrinsic<[llvm_i32_ty], [llvm_i32_ty], []>;
> +
> +def int_ppc_tabort : GCCBuiltin<"__builtin_tabort">,
> +      Intrinsic<[llvm_i32_ty], [llvm_i32_ty], []>;
> +def int_ppc_tabortwc :
> +      Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_i32_ty, llvm_i32_ty],
> []>;
> +def int_ppc_tabortwci :
> +      Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_i32_ty, llvm_i32_ty],
> []>;
> +def int_ppc_tabortdc :
> +      Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_i32_ty, llvm_i32_ty],
> []>;
> +def int_ppc_tabortdci :
> +      Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_i32_ty, llvm_i32_ty],
> []>;
> +
> +def int_ppc_tcheck : GCCBuiltin<"__builtin_tcheck">,
> +      Intrinsic<[llvm_i32_ty], [], []>;
> +def int_ppc_treclaim : GCCBuiltin<"__builtin_treclaim">,
> +      Intrinsic<[llvm_i32_ty], [llvm_i32_ty], []>;
> +def int_ppc_trechkpt : GCCBuiltin<"__builtin_trechkpt">,
> +      Intrinsic<[llvm_i32_ty], [], []>;
> +def int_ppc_tsr :
> +      Intrinsic<[llvm_i32_ty], [llvm_i32_ty], []>;
> +
> +def int_ppc_get_texasr : GCCBuiltin<"__builtin_get_texasr">,
> +      Intrinsic<[llvm_i64_ty], [], []>;
> +def int_ppc_get_texasru : GCCBuiltin<"__builtin_get_texasru">,
> +      Intrinsic<[llvm_i64_ty], [], []>;
> +def int_ppc_get_tfhar : GCCBuiltin<"__builtin_get_tfhar">,
> +      Intrinsic<[llvm_i64_ty], [], []>;
> +def int_ppc_get_tfiar : GCCBuiltin<"__builtin_get_tfiar">,
> +      Intrinsic<[llvm_i64_ty], [], []>;
> +
> +def int_ppc_set_texasr : GCCBuiltin<"__builtin_set_texasr">,
> +      Intrinsic<[], [llvm_i64_ty], []>;
> +def int_ppc_set_texasru : GCCBuiltin<"__builtin_set_texasru">,
> +      Intrinsic<[], [llvm_i64_ty], []>;
> +def int_ppc_set_tfhar : GCCBuiltin<"__builtin_set_tfhar">,
> +      Intrinsic<[], [llvm_i64_ty], []>;
> +def int_ppc_set_tfiar : GCCBuiltin<"__builtin_set_tfiar">,
> +      Intrinsic<[], [llvm_i64_ty], []>;
> +
> +// Extended mnemonics
> +def int_ppc_tendall : GCCBuiltin<"__builtin_tendall">,
> +      Intrinsic<[llvm_i32_ty], [], []>;
> +def int_ppc_tresume : GCCBuiltin<"__builtin_tresume">,
> +      Intrinsic<[llvm_i32_ty], [], []>;
> +def int_ppc_tsuspend : GCCBuiltin<"__builtin_tsuspend">,
> +      Intrinsic<[llvm_i32_ty], [], []>;
> +
> +def int_ppc_ttest : GCCBuiltin<"__builtin_ttest">,
> +      Intrinsic<[llvm_i64_ty], [], []>;
> +}
>
> Modified: llvm/trunk/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp?rev=233204&r1=233203&r2=233204&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp (original)
> +++ llvm/trunk/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp Wed Mar 25
> 14:36:23 2015
> @@ -427,6 +427,7 @@ public:
>    bool isImm() const override { return Kind == Immediate || Kind ==
> Expression; }
>    bool isU1Imm() const { return Kind == Immediate && isUInt<1>(getImm());
> }
>    bool isU2Imm() const { return Kind == Immediate && isUInt<2>(getImm());
> }
> +  bool isU3Imm() const { return Kind == Immediate && isUInt<3>(getImm());
> }
>    bool isU4Imm() const { return Kind == Immediate && isUInt<4>(getImm());
> }
>    bool isU5Imm() const { return Kind == Immediate && isUInt<5>(getImm());
> }
>    bool isS5Imm() const { return Kind == Immediate && isInt<5>(getImm()); }
>
> Modified: llvm/trunk/lib/Target/PowerPC/Disassembler/PPCDisassembler.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/Disassembler/PPCDisassembler.cpp?rev=233204&r1=233203&r2=233204&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/Disassembler/PPCDisassembler.cpp
> (original)
> +++ llvm/trunk/lib/Target/PowerPC/Disassembler/PPCDisassembler.cpp Wed Mar
> 25 14:36:23 2015
> @@ -189,6 +189,12 @@ static DecodeStatus DecodeCRRCRegisterCl
>    return decodeRegisterClass(Inst, RegNo, CRRegs);
>  }
>
> +static DecodeStatus DecodeCRRC0RegisterClass(MCInst &Inst, uint64_t RegNo,
> +                                            uint64_t Address,
> +                                            const void *Decoder) {
> +  return decodeRegisterClass(Inst, RegNo, CRRegs);
> +}
> +
>  static DecodeStatus DecodeCRBITRCRegisterClass(MCInst &Inst, uint64_t
> RegNo,
>                                              uint64_t Address,
>                                              const void *Decoder) {
>
> Modified: llvm/trunk/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp?rev=233204&r1=233203&r2=233204&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp (original)
> +++ llvm/trunk/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp Wed Mar
> 25 14:36:23 2015
> @@ -228,6 +228,13 @@ void PPCInstPrinter::printU2ImmOperand(c
>    O << (unsigned int)Value;
>  }
>
> +void PPCInstPrinter::printU3ImmOperand(const MCInst *MI, unsigned OpNo,
> +                                       raw_ostream &O) {
> +  unsigned int Value = MI->getOperand(OpNo).getImm();
> +  assert(Value <= 8 && "Invalid u3imm argument!");
> +  O << (unsigned int)Value;
> +}
> +
>  void PPCInstPrinter::printU4ImmOperand(const MCInst *MI, unsigned OpNo,
>                                         raw_ostream &O) {
>    unsigned int Value = MI->getOperand(OpNo).getImm();
>
> Modified: llvm/trunk/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h?rev=233204&r1=233203&r2=233204&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h (original)
> +++ llvm/trunk/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h Wed Mar 25
> 14:36:23 2015
> @@ -45,6 +45,7 @@ public:
>
>    void printU1ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
>    void printU2ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
> +  void printU3ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
>    void printU4ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
>    void printS5ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
>    void printU5ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
>
> Modified: llvm/trunk/lib/Target/PowerPC/PPC.td
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPC.td?rev=233204&r1=233203&r2=233204&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPC.td (original)
> +++ llvm/trunk/lib/Target/PowerPC/PPC.td Wed Mar 25 14:36:23 2015
> @@ -125,6 +125,8 @@ def FeatureInvariantFunctionDescriptors
>    SubtargetFeature<"invariant-function-descriptors",
>                     "HasInvariantFunctionDescriptors", "true",
>                     "Assume function descriptors are invariant">;
> +def FeatureHTM : SubtargetFeature<"htm", "HasHTM", "true",
> +                                  "Enable Hardware Transactional Memory
> instructions">;
>
>  def DeprecatedMFTB   : SubtargetFeature<"", "DeprecatedMFTB", "true",
>                                          "Treat mftb as deprecated">;
> @@ -261,7 +263,7 @@ def ProcessorFeatures {
>          [DirectivePwr8, FeatureAltivec, FeatureP8Altivec, FeatureVSX,
>          FeatureP8Vector, FeatureMFOCRF, FeatureFCPSGN, FeatureFSqrt,
>          FeatureFRE, FeatureFRES, FeatureFRSQRTE, FeatureFRSQRTES,
> -        FeatureRecipPrec, FeatureSTFIWX, FeatureLFIWAX,
> +        FeatureRecipPrec, FeatureSTFIWX, FeatureLFIWAX, FeatureHTM,
>          FeatureFPRND, FeatureFPCVT, FeatureISEL,
>          FeaturePOPCNTD, FeatureCMPB, FeatureLDBRX, FeatureP8Crypto,
>          Feature64Bit /*, Feature64BitRegs */, FeatureICBT,
>
> Modified: llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp?rev=233204&r1=233203&r2=233204&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp (original)
> +++ llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp Wed Mar 25 14:36:23
> 2015
> @@ -8782,6 +8782,12 @@ PPCTargetLowering::EmitInstrWithCustomIn
>      BuildMI(*BB, MI, dl, TII->get(TargetOpcode::COPY),
>              MI->getOperand(0).getReg())
>        .addReg(isEQ ? PPC::CR0EQ : PPC::CR0GT);
> +  } else if (MI->getOpcode() == PPC::TCHECK_RET) {
> +    DebugLoc Dl = MI->getDebugLoc();
> +    MachineRegisterInfo &RegInfo = F->getRegInfo();
> +    unsigned CRReg = RegInfo.createVirtualRegister(&PPC::CRRCRegClass);
> +    BuildMI(*BB, MI, Dl, TII->get(PPC::TCHECK), CRReg);
> +    return BB;
>    } else {
>      llvm_unreachable("Unexpected instr type to insert");
>    }
>
> Modified: llvm/trunk/lib/Target/PowerPC/PPCInstr64Bit.td
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCInstr64Bit.td?rev=233204&r1=233203&r2=233204&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPCInstr64Bit.td (original)
> +++ llvm/trunk/lib/Target/PowerPC/PPCInstr64Bit.td Wed Mar 25 14:36:23 2015
> @@ -329,6 +329,12 @@ let hasSideEffects = 1, isBarrier = 1, u
>                            Requires<[In64BitMode]>;
>  }
>
> +def MFSPR8 : XFXForm_1<31, 339, (outs g8rc:$RT), (ins i32imm:$SPR),
> +                       "mfspr $RT, $SPR", IIC_SprMFSPR>;
> +def MTSPR8 : XFXForm_1<31, 467, (outs), (ins i32imm:$SPR, g8rc:$RT),
> +                       "mtspr $SPR, $RT", IIC_SprMTSPR>;
> +
> +
>
>  //===----------------------------------------------------------------------===//
>  // 64-bit SPR manipulation instrs.
>
>
> Modified: llvm/trunk/lib/Target/PowerPC/PPCInstrFormats.td
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCInstrFormats.td?rev=233204&r1=233203&r2=233204&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPCInstrFormats.td (original)
> +++ llvm/trunk/lib/Target/PowerPC/PPCInstrFormats.td Wed Mar 25 14:36:23
> 2015
> @@ -693,6 +693,60 @@ class XForm_16b<bits<6> opcode, bits<10>
>    let A = 0;
>  }
>
> +class XForm_htm0<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
> +                 string asmstr, InstrItinClass itin, list<dag> pattern>
> +  : I<opcode, OOL, IOL, asmstr, itin> {
> +  bit R;
> +
> +  bit RC = 1;
> +
> +  let Inst{6-9}   = 0;
> +  let Inst{10}    = R;
> +  let Inst{11-20} = 0;
> +  let Inst{21-30} = xo;
> +  let Inst{31}    = RC;
> +}
> +
> +class XForm_htm1<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
> +                 string asmstr, InstrItinClass itin, list<dag> pattern>
> +  : I<opcode, OOL, IOL, asmstr, itin> {
> +  bit A;
> +
> +  bit RC = 1;
> +
> +  let Inst{6}     = A;
> +  let Inst{7-20}  = 0;
> +  let Inst{21-30} = xo;
> +  let Inst{31}    = RC;
> +}
> +
> +class XForm_htm2<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string
> asmstr,
> +              InstrItinClass itin, list<dag> pattern>
> +  : I<opcode, OOL, IOL, asmstr, itin> {
> +  bit L;
> +
> +  bit RC = 0;    // set by isDOT
> +
> +  let Inst{7-9}   = 0;
> +  let Inst{10}    = L;
> +  let Inst{11-20} = 0;
> +  let Inst{21-30} = xo;
> +  let Inst{31}    = RC;
> +}
> +
> +class XForm_htm3<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string
> asmstr,
> +              InstrItinClass itin, list<dag> pattern>
> +  : I<opcode, OOL, IOL, asmstr, itin> {
> +  bits<3> BF;
> +
> +  bit RC = 0;
> +
> +  let Inst{6-8}   = BF;
> +  let Inst{9-20}  = 0;
> +  let Inst{21-30} = xo;
> +  let Inst{31}    = RC;
> +}
> +
>  // XX*-Form (VSX)
>  class XX1Form<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string
> asmstr,
>                InstrItinClass itin, list<dag> pattern>
>
> Added: llvm/trunk/lib/Target/PowerPC/PPCInstrHTM.td
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCInstrHTM.td?rev=233204&view=auto
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPCInstrHTM.td (added)
> +++ llvm/trunk/lib/Target/PowerPC/PPCInstrHTM.td Wed Mar 25 14:36:23 2015
> @@ -0,0 +1,172 @@
> +//===-- PPCInstrHTM.td - The PowerPC Hardware Transactional Memory
> -*-===//
> +//
> +//                     The LLVM Compiler Infrastructure
> +//
> +// This file is distributed under the University of Illinois Open Source
> +// License. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +//
> +// This file describes the Hardware Transactional Memory extension to the
> +// PowerPC instruction set.
> +//
>
> +//===----------------------------------------------------------------------===//
> +
> +
> +
> +def HasHTM : Predicate<"PPCSubTarget->hasHTM()">;
> +
> +def HTM_get_imm : SDNodeXForm<imm, [{
> +  return getI32Imm (N->getZExtValue());
> +}]>;
> +
> +let hasSideEffects = 1, usesCustomInserter = 1  in {
> +def TCHECK_RET : Pseudo<(outs crrc:$out), (ins), "#TCHECK_RET", []>;
> +}
> +
> +
> +let Predicates = [HasHTM] in {
> +
> +def TBEGIN : XForm_htm0 <31, 654,
> +                         (outs crrc0:$ret), (ins u1imm:$R), "tbegin. $R",
> IIC_SprMTSPR, []>;
> +
> +def TEND : XForm_htm1 <31, 686,
> +                       (outs crrc0:$ret), (ins u1imm:$A), "tend. $A",
> IIC_SprMTSPR, []>;
> +
> +def TABORT : XForm_base_r3xo <31, 910,
> +                              (outs crrc0:$ret), (ins gprc:$A), "tabort.
> $A", IIC_SprMTSPR,
> +                              []>, isDOT {
> +  let RST = 0;
> +  let B = 0;
> +}
> +
> +def TABORTWC : XForm_base_r3xo <31, 782,
> +                                (outs crrc0:$ret), (ins u5imm:$RTS,
> gprc:$A, gprc:$B),
> +                                "tabortwc. $RTS, $A, $B", IIC_SprMTSPR,
> []>,
> +                                isDOT;
> +
> +def TABORTWCI : XForm_base_r3xo <31, 846,
> +                                 (outs crrc0:$ret), (ins u5imm:$RTS,
> gprc:$A, u5imm:$B),
> +                                 "tabortwci. $RTS, $A, $B", IIC_SprMTSPR,
> []>,
> +                                 isDOT;
> +
> +def TABORTDC : XForm_base_r3xo <31, 814,
> +                                (outs crrc0:$ret), (ins u5imm:$RTS,
> gprc:$A, gprc:$B),
> +                                "tabortdc. $RTS, $A, $B", IIC_SprMTSPR,
> []>,
> +                                isDOT;
> +
> +def TABORTDCI : XForm_base_r3xo <31, 878,
> +                                 (outs crrc0:$ret), (ins u5imm:$RTS,
> gprc:$A, u5imm:$B),
> +                                 "tabortdci. $RTS, $A, $B", IIC_SprMTSPR,
> []>,
> +                                 isDOT;
> +
> +def TSR : XForm_htm2 <31, 750,
> +                      (outs crrc0:$ret), (ins u1imm:$L), "tsr. $L",
> IIC_SprMTSPR, []>,
> +                      isDOT;
> +
> +def TCHECK : XForm_htm3 <31, 718,
> +                        (outs), (ins crrc:$BF), "tcheck $BF",
> IIC_SprMTSPR, []>;
> +
> +
> +def TRECLAIM : XForm_base_r3xo <31, 942,
> +                                (outs crrc:$ret), (ins gprc:$A),
> "treclaim. $A",
> +                                IIC_SprMTSPR, []>,
> +                                isDOT {
> +  let RST = 0;
> +  let B = 0;
> +}
> +
> +def TRECHKPT : XForm_base_r3xo <31, 1006,
> +                                (outs crrc:$ret), (ins), "trechkpt.",
> IIC_SprMTSPR, []>,
> +                                isDOT {
> +  let RST = 0;
> +  let A = 0;
> +  let B = 0;
> +}
> +
> +// Builtins
> +
> +// All HTM instructions, with the exception of tcheck, set CR0 with the
> +// value of the MSR Transaction State (TS) bits that exist before the
> +// instruction is executed.  For tbegin., the EQ bit in CR0 can be used
> +// to determine whether the transaction was successfully started (0) or
> +// failed (1).  We use an XORI pattern to 'flip' the bit to match the
> +// tbegin builtin API which defines a return value of 1 as success.
> +
> +def : Pat<(int_ppc_tbegin i32:$R),
> +           (XORI
> +             (EXTRACT_SUBREG (
> +               TBEGIN (HTM_get_imm imm:$R)), sub_eq),
> +            1)>;
> +
> +def : Pat<(int_ppc_tend i32:$R),
> +          (TEND (HTM_get_imm imm:$R))>;
> +
> +
> +def : Pat<(int_ppc_tabort i32:$R),
> +          (TABORT $R)>;
> +
> +def : Pat<(int_ppc_tabortwc i32:$TO, i32:$RA, i32:$RB),
> +          (TABORTWC (HTM_get_imm imm:$TO), $RA, $RB)>;
> +
> +def : Pat<(int_ppc_tabortwci i32:$TO, i32:$RA, i32:$SI),
> +          (TABORTWCI (HTM_get_imm imm:$TO), $RA, (HTM_get_imm imm:$SI))>;
> +
> +def : Pat<(int_ppc_tabortdc i32:$TO, i32:$RA, i32:$RB),
> +          (TABORTDC (HTM_get_imm imm:$TO), $RA, $RB)>;
> +
> +def : Pat<(int_ppc_tabortdci i32:$TO, i32:$RA, i32:$SI),
> +          (TABORTDCI (HTM_get_imm imm:$TO), $RA, (HTM_get_imm imm:$SI))>;
> +
> +def : Pat<(int_ppc_tcheck),
> +          (TCHECK_RET)>;
> +
> +def : Pat<(int_ppc_treclaim i32:$RA),
> +          (TRECLAIM $RA)>;
> +
> +def : Pat<(int_ppc_trechkpt),
> +          (TRECHKPT)>;
> +
> +def : Pat<(int_ppc_tsr i32:$L),
> +          (TSR (HTM_get_imm imm:$L))>;
> +
> +def : Pat<(int_ppc_get_texasr),
> +          (MFSPR8 130)>;
> +
> +def : Pat<(int_ppc_get_texasru),
> +          (MFSPR8 131)>;
> +
> +def : Pat<(int_ppc_get_tfhar),
> +          (MFSPR8 128)>;
> +
> +def : Pat<(int_ppc_get_tfiar),
> +          (MFSPR8 129)>;
> +
> +
> +def : Pat<(int_ppc_set_texasr i64:$V),
> +          (MTSPR8 130, $V)>;
> +
> +def : Pat<(int_ppc_set_texasru i64:$V),
> +          (MTSPR8 131, $V)>;
> +
> +def : Pat<(int_ppc_set_tfhar i64:$V),
> +          (MTSPR8 128, $V)>;
> +
> +def : Pat<(int_ppc_set_tfiar i64:$V),
> +          (MTSPR8 129, $V)>;
> +
> +
> +// Extended mnemonics
> +def : Pat<(int_ppc_tendall),
> +          (TEND 1)>;
> +
> +def : Pat<(int_ppc_tresume),
> +          (TSR 1)>;
> +
> +def : Pat<(int_ppc_tsuspend),
> +          (TSR 0)>;
> +
> +def : Pat<(i64 (int_ppc_ttest)),
> +          (RLDICL (i64 (COPY (TABORTWCI 0, ZERO, 0))), 36, 28)>;
> +
> +} // [HasHTM]
>
> Modified: llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.cpp?rev=233204&r1=233203&r2=233204&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.cpp (original)
> +++ llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.cpp Wed Mar 25 14:36:23 2015
> @@ -696,6 +696,33 @@ void PPCInstrInfo::insertSelect(MachineB
>      .addReg(Cond[1].getReg(), 0, SubIdx);
>  }
>
> +static unsigned getCRBitValue(unsigned CRBit) {
> +  unsigned Ret = 4;
> +  if (CRBit == PPC::CR0LT || CRBit == PPC::CR1LT ||
> +      CRBit == PPC::CR2LT || CRBit == PPC::CR3LT ||
> +      CRBit == PPC::CR4LT || CRBit == PPC::CR5LT ||
> +      CRBit == PPC::CR6LT || CRBit == PPC::CR7LT)
> +    Ret = 3;
> +  if (CRBit == PPC::CR0GT || CRBit == PPC::CR1GT ||
> +      CRBit == PPC::CR2GT || CRBit == PPC::CR3GT ||
> +      CRBit == PPC::CR4GT || CRBit == PPC::CR5GT ||
> +      CRBit == PPC::CR6GT || CRBit == PPC::CR7GT)
> +    Ret = 2;
> +  if (CRBit == PPC::CR0EQ || CRBit == PPC::CR1EQ ||
> +      CRBit == PPC::CR2EQ || CRBit == PPC::CR3EQ ||
> +      CRBit == PPC::CR4EQ || CRBit == PPC::CR5EQ ||
> +      CRBit == PPC::CR6EQ || CRBit == PPC::CR7EQ)
> +    Ret = 1;
> +  if (CRBit == PPC::CR0UN || CRBit == PPC::CR1UN ||
> +      CRBit == PPC::CR2UN || CRBit == PPC::CR3UN ||
> +      CRBit == PPC::CR4UN || CRBit == PPC::CR5UN ||
> +      CRBit == PPC::CR6UN || CRBit == PPC::CR7UN)
> +    Ret = 0;
> +
> +  assert(Ret != 4 && "Invalid CR bit register");
> +  return Ret;
> +}
> +
>  void PPCInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
>                                 MachineBasicBlock::iterator I, DebugLoc DL,
>                                 unsigned DestReg, unsigned SrcReg,
> @@ -741,6 +768,32 @@ void PPCInstrInfo::copyPhysReg(MachineBa
>      SrcReg = SuperReg;
>    }
>
> +  // Different class register copy
> +  if (PPC::CRBITRCRegClass.contains(SrcReg) &&
> +      PPC::GPRCRegClass.contains(DestReg)) {
> +    unsigned CRReg = getCRFromCRBit(SrcReg);
> +    BuildMI(MBB, I, DL, get(PPC::MFOCRF), DestReg)
> +       .addReg(CRReg), getKillRegState(KillSrc);
> +    // Rotate the CR bit in the CR fields to be the least significant bit
> and
> +    // then mask with 0x1 (MB = ME = 31).
> +    BuildMI(MBB, I, DL, get(PPC::RLWINM), DestReg)
> +       .addReg(DestReg, RegState::Kill)
> +       .addImm(TRI->getEncodingValue(CRReg) * 4 + (4 -
> getCRBitValue(SrcReg)))
> +       .addImm(31)
> +       .addImm(31);
> +    return;
> +  } else if (PPC::CRRCRegClass.contains(SrcReg) &&
> +      PPC::G8RCRegClass.contains(DestReg)) {
> +    BuildMI(MBB, I, DL, get(PPC::MFOCRF8), DestReg)
> +       .addReg(SrcReg), getKillRegState(KillSrc);
> +    return;
> +  } else if (PPC::CRRCRegClass.contains(SrcReg) &&
> +      PPC::GPRCRegClass.contains(DestReg)) {
> +    BuildMI(MBB, I, DL, get(PPC::MFOCRF), DestReg)
> +       .addReg(SrcReg), getKillRegState(KillSrc);
> +    return;
> +   }
> +
>    unsigned Opc;
>    if (PPC::GPRCRegClass.contains(DestReg, SrcReg))
>      Opc = PPC::OR;
>
> Modified: llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td?rev=233204&r1=233203&r2=233204&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td (original)
> +++ llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td Wed Mar 25 14:36:23 2015
> @@ -432,6 +432,9 @@ def PPCRegCRRCAsmOperand : AsmOperandCla
>  def crrc : RegisterOperand<CRRC> {
>    let ParserMatchClass = PPCRegCRRCAsmOperand;
>  }
> +def crrc0 : RegisterOperand<CRRC0> {
> +  let ParserMatchClass = PPCRegCRRCAsmOperand;
> +}
>
>  def PPCU1ImmAsmOperand : AsmOperandClass {
>    let Name = "U1Imm"; let PredicateMethod = "isU1Imm";
> @@ -451,6 +454,15 @@ def u2imm   : Operand<i32> {
>    let ParserMatchClass = PPCU2ImmAsmOperand;
>  }
>
> +def PPCU3ImmAsmOperand : AsmOperandClass {
> +  let Name = "U3Imm"; let PredicateMethod = "isU3Imm";
> +  let RenderMethod = "addImmOperands";
> +}
> +def u3imm   : Operand<i32> {
> +  let PrintMethod = "printU3ImmOperand";
> +  let ParserMatchClass = PPCU3ImmAsmOperand;
> +}
> +
>  def PPCU4ImmAsmOperand : AsmOperandClass {
>    let Name = "U4Imm"; let PredicateMethod = "isU4Imm";
>    let RenderMethod = "addImmOperands";
> @@ -2708,6 +2720,7 @@ include "PPCInstrSPE.td"
>  include "PPCInstr64Bit.td"
>  include "PPCInstrVSX.td"
>  include "PPCInstrQPX.td"
> +include "PPCInstrHTM.td"
>
>  def crnot : OutPatFrag<(ops node:$in),
>                         (CRNOR $in, $in)>;
>
> Modified: llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.cpp?rev=233204&r1=233203&r2=233204&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.cpp (original)
> +++ llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.cpp Wed Mar 25 14:36:23
> 2015
> @@ -524,37 +524,6 @@ void PPCRegisterInfo::lowerCRRestore(Mac
>    MBB.erase(II);
>  }
>
> -static unsigned getCRFromCRBit(unsigned SrcReg) {
> -  unsigned Reg = 0;
> -  if (SrcReg == PPC::CR0LT || SrcReg == PPC::CR0GT ||
> -      SrcReg == PPC::CR0EQ || SrcReg == PPC::CR0UN)
> -    Reg = PPC::CR0;
> -  else if (SrcReg == PPC::CR1LT || SrcReg == PPC::CR1GT ||
> -           SrcReg == PPC::CR1EQ || SrcReg == PPC::CR1UN)
> -    Reg = PPC::CR1;
> -  else if (SrcReg == PPC::CR2LT || SrcReg == PPC::CR2GT ||
> -           SrcReg == PPC::CR2EQ || SrcReg == PPC::CR2UN)
> -    Reg = PPC::CR2;
> -  else if (SrcReg == PPC::CR3LT || SrcReg == PPC::CR3GT ||
> -           SrcReg == PPC::CR3EQ || SrcReg == PPC::CR3UN)
> -    Reg = PPC::CR3;
> -  else if (SrcReg == PPC::CR4LT || SrcReg == PPC::CR4GT ||
> -           SrcReg == PPC::CR4EQ || SrcReg == PPC::CR4UN)
> -    Reg = PPC::CR4;
> -  else if (SrcReg == PPC::CR5LT || SrcReg == PPC::CR5GT ||
> -           SrcReg == PPC::CR5EQ || SrcReg == PPC::CR5UN)
> -    Reg = PPC::CR5;
> -  else if (SrcReg == PPC::CR6LT || SrcReg == PPC::CR6GT ||
> -           SrcReg == PPC::CR6EQ || SrcReg == PPC::CR6UN)
> -    Reg = PPC::CR6;
> -  else if (SrcReg == PPC::CR7LT || SrcReg == PPC::CR7GT ||
> -           SrcReg == PPC::CR7EQ || SrcReg == PPC::CR7UN)
> -    Reg = PPC::CR7;
> -
> -  assert(Reg != 0 && "Invalid CR bit register");
> -  return Reg;
> -}
> -
>  void PPCRegisterInfo::lowerCRBitSpilling(MachineBasicBlock::iterator II,
>                                           unsigned FrameIndex) const {
>    // Get the instruction.
>
> Modified: llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.h
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.h?rev=233204&r1=233203&r2=233204&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.h (original)
> +++ llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.h Wed Mar 25 14:36:23
> 2015
> @@ -22,6 +22,39 @@
>  #include "PPCGenRegisterInfo.inc"
>
>  namespace llvm {
> +
> +inline static unsigned getCRFromCRBit(unsigned SrcReg) {
> +  unsigned Reg = 0;
> +  if (SrcReg == PPC::CR0LT || SrcReg == PPC::CR0GT ||
> +      SrcReg == PPC::CR0EQ || SrcReg == PPC::CR0UN)
> +    Reg = PPC::CR0;
> +  else if (SrcReg == PPC::CR1LT || SrcReg == PPC::CR1GT ||
> +           SrcReg == PPC::CR1EQ || SrcReg == PPC::CR1UN)
> +    Reg = PPC::CR1;
> +  else if (SrcReg == PPC::CR2LT || SrcReg == PPC::CR2GT ||
> +           SrcReg == PPC::CR2EQ || SrcReg == PPC::CR2UN)
> +    Reg = PPC::CR2;
> +  else if (SrcReg == PPC::CR3LT || SrcReg == PPC::CR3GT ||
> +           SrcReg == PPC::CR3EQ || SrcReg == PPC::CR3UN)
> +    Reg = PPC::CR3;
> +  else if (SrcReg == PPC::CR4LT || SrcReg == PPC::CR4GT ||
> +           SrcReg == PPC::CR4EQ || SrcReg == PPC::CR4UN)
> +    Reg = PPC::CR4;
> +  else if (SrcReg == PPC::CR5LT || SrcReg == PPC::CR5GT ||
> +           SrcReg == PPC::CR5EQ || SrcReg == PPC::CR5UN)
> +    Reg = PPC::CR5;
> +  else if (SrcReg == PPC::CR6LT || SrcReg == PPC::CR6GT ||
> +           SrcReg == PPC::CR6EQ || SrcReg == PPC::CR6UN)
> +    Reg = PPC::CR6;
> +  else if (SrcReg == PPC::CR7LT || SrcReg == PPC::CR7GT ||
> +           SrcReg == PPC::CR7EQ || SrcReg == PPC::CR7UN)
> +    Reg = PPC::CR7;
> +
> +  assert(Reg != 0 && "Invalid CR bit register");
> +  return Reg;
> +}
> +
> +
>  class PPCRegisterInfo : public PPCGenRegisterInfo {
>    DenseMap<unsigned, unsigned> ImmToIdxMap;
>    const PPCTargetMachine &TM;
>
> Modified: llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.td
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.td?rev=233204&r1=233203&r2=233204&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.td (original)
> +++ llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.td Wed Mar 25 14:36:23
> 2015
> @@ -341,6 +341,8 @@ def CRBITRC : RegisterClass<"PPC", [i1],
>  def CRRC : RegisterClass<"PPC", [i32], 32, (add CR0, CR1, CR5, CR6,
>                                                  CR7, CR2, CR3, CR4)>;
>
> +def CRRC0 : RegisterClass<"PPC", [i32], 32, (add CR0)>;
> +
>  // The CTR registers are not allocatable because they're used by the
>  // decrement-and-branch instructions, and thus need to stay live across
>  // multiple basic blocks.
>
> Modified: llvm/trunk/lib/Target/PowerPC/PPCSubtarget.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCSubtarget.cpp?rev=233204&r1=233203&r2=233204&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPCSubtarget.cpp (original)
> +++ llvm/trunk/lib/Target/PowerPC/PPCSubtarget.cpp Wed Mar 25 14:36:23 2015
> @@ -97,6 +97,7 @@ void PPCSubtarget::initializeEnvironment
>    HasInvariantFunctionDescriptors = false;
>    HasPartwordAtomics = false;
>    IsQPXStackUnaligned = false;
> +  HasHTM = false;
>  }
>
>  void PPCSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
>
> Modified: llvm/trunk/lib/Target/PowerPC/PPCSubtarget.h
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCSubtarget.h?rev=233204&r1=233203&r2=233204&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPCSubtarget.h (original)
> +++ llvm/trunk/lib/Target/PowerPC/PPCSubtarget.h Wed Mar 25 14:36:23 2015
> @@ -115,6 +115,7 @@ protected:
>    bool HasICBT;
>    bool HasInvariantFunctionDescriptors;
>    bool HasPartwordAtomics;
> +  bool HasHTM;
>
>    /// When targeting QPX running a stock PPC64 Linux kernel where the
> stack
>    /// alignment has not been changed, we need to keep the 16-byte
> alignment
> @@ -246,6 +247,7 @@ public:
>
>      return 16;
>    }
> +  bool hasHTM() const { return HasHTM; }
>
>    const Triple &getTargetTriple() const { return TargetTriple; }
>
>
> Added: llvm/trunk/test/CodeGen/PowerPC/htm.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PowerPC/htm.ll?rev=233204&view=auto
>
> ==============================================================================
> --- llvm/trunk/test/CodeGen/PowerPC/htm.ll (added)
> +++ llvm/trunk/test/CodeGen/PowerPC/htm.ll Wed Mar 25 14:36:23 2015
> @@ -0,0 +1,125 @@
> +; RUN: llc -mcpu=pwr8 -mattr=+htm < %s | FileCheck %s
> +target datalayout = "E-m:e-i64:64-n32:64"
> +target triple = "powerpc64-unknown-linux-gnu"
> +
> +define zeroext i32 @test1() {
> +entry:
> +  %0 = tail call i32 @llvm.ppc.tbegin(i32 0)
> +  ret i32 %0
> +
> +; CHECK-LABEL: @test1
> +; CHECK: tbegin. 0
> +; CHECK: mfocrf  [[REGISTER1:[0-9]+]], 128
> +; CHECK: rlwinm  [[REGISTER2:[0-9]+]], [[REGISTER1]], 3, 31, 31
> +; CHECK: xori    {{[0-9]+}}, [[REGISTER2]], 1
> +}
> +
> +declare i32 @llvm.ppc.tbegin(i32) #1
> +
> +
> +define zeroext i32 @test2() {
> +entry:
> +  %0 = tail call i32 @llvm.ppc.tend(i32 0)
> +  ret i32 %0
> +; CHECK-LABEL: @test2
> +; CHECK: tend. 0
> +; CHECK: mfocrf  {{[0-9]+}}, 128
> +}
> +
> +declare i32 @llvm.ppc.tend(i32)
> +
> +
> +define void @test3() {
> +entry:
> +  %0 = tail call i32 @llvm.ppc.tabort(i32 0)
> +  %1 = tail call i32 @llvm.ppc.tabortdc(i32 0, i32 1, i32 2)
> +  %2 = tail call i32 @llvm.ppc.tabortdci(i32 0, i32 1, i32 2)
> +  %3 = tail call i32 @llvm.ppc.tabortwc(i32 0, i32 1, i32 2)
> +  %4 = tail call i32 @llvm.ppc.tabortwci(i32 0, i32 1, i32 2)
> +  ret void
> +; CHECK-LABEL: @test3
> +; CHECK: tabort.    {{[0-9]+}}
> +; CHECK: tabortdc.  0, {{[0-9]+}}, {{[0-9]+}}
> +; CHECK: tabortdci. 0, {{[0-9]+}}, 2
> +; CHECK: tabortwc.  0, {{[0-9]+}}, {{[0-9]+}}
> +; CHECK: tabortwci. 0, {{[0-9]+}}, 2
> +}
> +
> +declare i32 @llvm.ppc.tabort(i32)
> +declare i32 @llvm.ppc.tabortdc(i32, i32, i32)
> +declare i32 @llvm.ppc.tabortdci(i32, i32, i32)
> +declare i32 @llvm.ppc.tabortwc(i32, i32, i32)
> +declare i32 @llvm.ppc.tabortwci(i32, i32, i32)
> +
> +
> +define void @test4() {
> +entry:
> +  %0 = tail call i32 @llvm.ppc.tendall()
> +  %1 = tail call i32 @llvm.ppc.tresume()
> +  %2 = tail call i32 @llvm.ppc.tsuspend()
> +  ret void
> +; CHECK-LABEL: @test4
> +; CHECK: tend. 1
> +; CHECK: tsr.  1
> +; CHECK: tsr.  0
> +}
> +
> +declare i32 @llvm.ppc.tendall()
> +declare i32 @llvm.ppc.tresume()
> +declare i32 @llvm.ppc.tsuspend()
> +
> +
> +define void @test5(i64 %v) {
> +entry:
> +  tail call void @llvm.ppc.set.texasr(i64 %v)
> +  tail call void @llvm.ppc.set.texasru(i64 %v)
> +  tail call void @llvm.ppc.set.tfhar(i64 %v)
> +  tail call void @llvm.ppc.set.tfiar(i64 %v)
> +  ret void
> +; CHECK-LABEL: @test5
> +; CHECK: mtspr 130, [[REG1:[0-9]+]]
> +; CHECK: mtspr 131, [[REG2:[0-9]+]]
> +; CHECK: mtspr 128, [[REG3:[0-9]+]]
> +; CHECK: mtspr 129, [[REG4:[0-9]+]]
> +}
> +
> +define i64 @test6() {
> +entry:
> +  %0 = tail call i64 @llvm.ppc.get.texasr()
> +  ret i64 %0
> +; CHECK-LABEL: @test6
> +; CHECK: mfspr [[REG1:[0-9]+]], 130
> +}
> +
> +define i64 @test7() {
> +entry:
> +  %0 = tail call i64 @llvm.ppc.get.texasru()
> +  ret i64 %0
> +; CHECK-LABEL: @test7
> +; CHECK: mfspr [[REG1:[0-9]+]], 131
> +}
> +
> +define i64 @test8() {
> +entry:
> +  %0 = tail call i64 @llvm.ppc.get.tfhar()
> +  ret i64 %0
> +; CHECK-LABEL: @test8
> +; CHECK: mfspr [[REG1:[0-9]+]], 128
> +}
> +
> +define i64 @test9() {
> +entry:
> +  %0 = tail call i64 @llvm.ppc.get.tfiar()
> +  ret i64 %0
> +; CHECK-LABEL: @test9
> +; CHECK: mfspr [[REG1:[0-9]+]], 129
> +}
> +
> +declare void @llvm.ppc.set.texasr(i64)
> +declare void @llvm.ppc.set.texasru(i64)
> +declare void @llvm.ppc.set.tfhar(i64)
> +declare void @llvm.ppc.set.tfiar(i64)
> +declare i64 @llvm.ppc.get.texasr()
> +declare i64 @llvm.ppc.get.texasru()
> +declare i64 @llvm.ppc.get.tfhar()
> +declare i64 @llvm.ppc.get.tfiar()
>
> Added: llvm/trunk/test/MC/PowerPC/htm.s
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/PowerPC/htm.s?rev=233204&view=auto
>
> ==============================================================================
> --- llvm/trunk/test/MC/PowerPC/htm.s (added)
> +++ llvm/trunk/test/MC/PowerPC/htm.s Wed Mar 25 14:36:23 2015
> @@ -0,0 +1,53 @@
> +# RUN: llvm-mc -triple powerpc64-unknown-linux-gnu --show-encoding %s |
> FileCheck -check-prefix=CHECK-BE %s
> +# RUN: llvm-mc -triple powerpc64le-unknown-linux-gnu --show-encoding %s |
> FileCheck -check-prefix=CHECK-LE %s
> +
> +# CHECK-BE: tbegin. 0                      # encoding:
> [0x7c,0x00,0x05,0x1d]
> +# CHECK-LE: tbegin. 0                      # encoding:
> [0x1d,0x05,0x00,0x7c]
> +            tbegin. 0
> +# CHECK-BE: tbegin. 1                      # encoding:
> [0x7c,0x20,0x05,0x1d]
> +# CHECK-LE: tbegin. 1                      # encoding:
> [0x1d,0x05,0x20,0x7c]
> +            tbegin. 1
> +
> +# CHECK-BE: tend. 0                        # encoding:
> [0x7c,0x00,0x05,0x5d]
> +# CHECK-LE: tend. 0                        # encoding:
> [0x5d,0x05,0x00,0x7c]
> +            tend. 0
> +# CHECK-BE: tend. 1                        # encoding:
> [0x7e,0x00,0x05,0x5d]
> +# CHECK-LE: tend. 1                        # encoding:
> [0x5d,0x05,0x00,0x7e]
> +            tend. 1
> +
> +# CHECK-BE: tabort. 9                      # encoding:
> [0x7c,0x09,0x07,0x1d]
> +# CHECK-LE: tabort. 9                      # encoding:
> [0x1d,0x07,0x09,0x7c]
> +            tabort. 9
> +# CHECK-BE: tabortdc. 0, 9, 9              # encoding:
> [0x7c,0x09,0x4e,0x5d]
> +# CHECK-LE: tabortdc. 0, 9, 9              # encoding:
> [0x5d,0x4e,0x09,0x7c]
> +            tabortdc. 0, 9, 9
> +# CHECK-BE: tabortdci. 0, 9, 0             # encoding:
> [0x7c,0x09,0x06,0xdd]
> +# CHECK-LE: tabortdci. 0, 9, 0             # encoding:
> [0xdd,0x06,0x09,0x7c]
> +            tabortdci. 0, 9, 0
> +# CHECK-BE: tabortwc. 0, 9, 9              # encoding:
> [0x7c,0x09,0x4e,0x1d]
> +# CHECK-LE: tabortwc. 0, 9, 9              # encoding:
> [0x1d,0x4e,0x09,0x7c]
> +            tabortwc. 0, 9, 9
> +# CHECK-BE: tabortwci. 0, 9, 0             # encoding:
> [0x7c,0x09,0x06,0x9d]
> +# CHECK-LE: tabortwci. 0, 9, 0             # encoding:
> [0x9d,0x06,0x09,0x7c]
> +            tabortwci. 0, 9, 0
> +
> +# CHECK-BE: tsr. 0                         # encoding:
> [0x7c,0x00,0x05,0xdd]
> +# CHECK-LE: tsr. 0                         # encoding:
> [0xdd,0x05,0x00,0x7c]
> +            tsr. 0
> +# CHECK-BE: tsr. 1                         # encoding:
> [0x7c,0x20,0x05,0xdd]
> +# CHECK-LE: tsr. 1                         # encoding:
> [0xdd,0x05,0x20,0x7c]
> +            tsr. 1
> +
> +# CHECK-BE: tcheck 0                       # encoding:
> [0x7c,0x00,0x05,0x9c]
> +# CHECK-LE: tcheck 0                       # encoding:
> [0x9c,0x05,0x00,0x7c]
> +            tcheck 0
> +# CHECK-BE: tcheck 3                       # encoding:
> [0x7d,0x80,0x05,0x9c]
> +# CHECK-LE: tcheck 3                       # encoding:
> [0x9c,0x05,0x80,0x7d]
> +            tcheck 3
> +
> +# CHECK-BE: treclaim. 9                    # encoding:
> [0x7c,0x09,0x07,0x5d]
> +# CHECK-LE: treclaim. 9                    # encoding:
> [0x5d,0x07,0x09,0x7c]
> +            treclaim. 9
> +# CHECK-BE: trechkpt.                      # encoding:
> [0x7c,0x00,0x07,0xdd]
> +# CHECK-LE: trechkpt.                      # encoding:
> [0xdd,0x07,0x00,0x7c]
> +            trechkpt.
>
>
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