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llvm-project/llvm/lib/Target/X86/X86InstrFragments.td
Shengchen Kan 689db42c9c
[X86][NFC] Reorgnize the X86Instr*.td (#74454) 
1. Move all pattern fragments for SIMD instructions to X86InstrFragmentsSIMD.td
2. Create X86InstrFragments.td and move non-SIMD pattern fragments into it
3. Create X86InstrOperands.td and move operand definitions into it
4. Create X86InstrPredicates.td and move predicate definitions into it
5. Create X86InstrUtils.td and move utilities for simplifying the instruction definitions into it
2023-12-06 11:00:22 +08:00

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//===----------X86InstrFragments - X86 Pattern fragments. --*- tablegen -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// X86-specific DAG node.
def SDTX86CmpTest : SDTypeProfile<1, 2, [SDTCisVT<0, i32>, SDTCisInt<1>,
SDTCisSameAs<1, 2>]>;
def SDTX86FCmp : SDTypeProfile<1, 2, [SDTCisVT<0, i32>, SDTCisFP<1>,
SDTCisSameAs<1, 2>]>;
def SDTX86Cmov : SDTypeProfile<1, 4,
[SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
SDTCisVT<3, i8>, SDTCisVT<4, i32>]>;
// Unary and binary operator instructions that set EFLAGS as a side-effect.
def SDTUnaryArithWithFlags : SDTypeProfile<2, 1,
[SDTCisSameAs<0, 2>,
SDTCisInt<0>, SDTCisVT<1, i32>]>;
def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
[SDTCisSameAs<0, 2>,
SDTCisSameAs<0, 3>,
SDTCisInt<0>, SDTCisVT<1, i32>]>;
// SDTBinaryArithWithFlagsInOut - RES1, EFLAGS = op LHS, RHS, EFLAGS
def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
[SDTCisSameAs<0, 2>,
SDTCisSameAs<0, 3>,
SDTCisInt<0>,
SDTCisVT<1, i32>,
SDTCisVT<4, i32>]>;
// RES1, RES2, FLAGS = op LHS, RHS
def SDT2ResultBinaryArithWithFlags : SDTypeProfile<3, 2,
[SDTCisSameAs<0, 1>,
SDTCisSameAs<0, 2>,
SDTCisSameAs<0, 3>,
SDTCisInt<0>, SDTCisVT<1, i32>]>;
def SDTX86BrCond : SDTypeProfile<0, 3,
[SDTCisVT<0, OtherVT>,
SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
def SDTX86SetCC : SDTypeProfile<1, 2,
[SDTCisVT<0, i8>,
SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
def SDTX86SetCC_C : SDTypeProfile<1, 2,
[SDTCisInt<0>,
SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
def SDTX86sahf : SDTypeProfile<1, 1, [SDTCisVT<0, i32>, SDTCisVT<1, i8>]>;
def SDTX86rdrand : SDTypeProfile<2, 0, [SDTCisInt<0>, SDTCisVT<1, i32>]>;
def SDTX86rdpkru : SDTypeProfile<1, 1, [SDTCisVT<0, i32>, SDTCisVT<1, i32>]>;
def SDTX86wrpkru : SDTypeProfile<0, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
SDTCisVT<2, i32>]>;
def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
SDTCisVT<2, i8>]>;
def SDTX86cas8pair : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
def SDTX86cas16pair : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i64>]>;
def SDTLockBinaryArithWithFlags : SDTypeProfile<1, 2, [SDTCisVT<0, i32>,
SDTCisPtrTy<1>,
SDTCisInt<2>]>;
def SDTLockUnaryArithWithFlags : SDTypeProfile<1, 1, [SDTCisVT<0, i32>,
SDTCisPtrTy<1>]>;
def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i32>]>;
def SDT_X86CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>,
SDTCisVT<1, i32>]>;
def SDT_X86CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>,
SDTCisVT<1, i32>]>;
def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
def SDT_X86NtBrind : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
def SDT_X86VASTART_SAVE_XMM_REGS : SDTypeProfile<0, -1, [SDTCisVT<0, i8>,
SDTCisPtrTy<1>]>;
def SDT_X86VAARG : SDTypeProfile<1, -1, [SDTCisPtrTy<0>,
SDTCisPtrTy<1>,
SDTCisVT<2, i32>,
SDTCisVT<3, i8>,
SDTCisVT<4, i32>]>;
def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
def SDTX86Void : SDTypeProfile<0, 0, []>;
def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
def SDT_X86TLSADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
def SDT_X86TLSBASEADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
def SDT_X86TLSCALL : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
def SDT_X86DYN_ALLOCA : SDTypeProfile<0, 1, [SDTCisVT<0, iPTR>]>;
def SDT_X86SEG_ALLOCA : SDTypeProfile<1, 1, [SDTCisVT<0, iPTR>, SDTCisVT<1, iPTR>]>;
def SDT_X86PROBED_ALLOCA : SDTypeProfile<1, 1, [SDTCisVT<0, iPTR>, SDTCisVT<1, iPTR>]>;
def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
def SDT_X86ENQCMD : SDTypeProfile<1, 2, [SDTCisVT<0, i32>,
SDTCisPtrTy<1>, SDTCisSameAs<1, 2>]>;
def SDT_X86AESENCDECKL : SDTypeProfile<2, 2, [SDTCisVT<0, v2i64>,
SDTCisVT<1, i32>,
SDTCisVT<2, v2i64>,
SDTCisPtrTy<3>]>;
def SDTX86Cmpccxadd : SDTypeProfile<1, 4, [SDTCisSameAs<0, 2>,
SDTCisPtrTy<1>, SDTCisSameAs<2, 3>,
SDTCisVT<4, i8>]>;
def X86MFence : SDNode<"X86ISD::MFENCE", SDTNone, [SDNPHasChain]>;
def X86bsf : SDNode<"X86ISD::BSF", SDTUnaryArithWithFlags>;
def X86bsr : SDNode<"X86ISD::BSR", SDTUnaryArithWithFlags>;
def X86fshl : SDNode<"X86ISD::FSHL", SDTIntShiftDOp>;
def X86fshr : SDNode<"X86ISD::FSHR", SDTIntShiftDOp>;
def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
def X86fcmp : SDNode<"X86ISD::FCMP", SDTX86FCmp>;
def X86strict_fcmp : SDNode<"X86ISD::STRICT_FCMP", SDTX86FCmp, [SDNPHasChain]>;
def X86strict_fcmps : SDNode<"X86ISD::STRICT_FCMPS", SDTX86FCmp, [SDNPHasChain]>;
def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
[SDNPHasChain]>;
def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
def X86setcc_c : SDNode<"X86ISD::SETCC_CARRY", SDTX86SetCC_C>;
def X86rdrand : SDNode<"X86ISD::RDRAND", SDTX86rdrand,
[SDNPHasChain, SDNPSideEffect]>;
def X86rdseed : SDNode<"X86ISD::RDSEED", SDTX86rdrand,
[SDNPHasChain, SDNPSideEffect]>;
def X86rdpkru : SDNode<"X86ISD::RDPKRU", SDTX86rdpkru,
[SDNPHasChain, SDNPSideEffect]>;
def X86wrpkru : SDNode<"X86ISD::WRPKRU", SDTX86wrpkru,
[SDNPHasChain, SDNPSideEffect]>;
def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
[SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
SDNPMayLoad, SDNPMemOperand]>;
def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8pair,
[SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
SDNPMayLoad, SDNPMemOperand]>;
def X86cas16 : SDNode<"X86ISD::LCMPXCHG16_DAG", SDTX86cas16pair,
[SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
SDNPMayLoad, SDNPMemOperand]>;
def X86retglue : SDNode<"X86ISD::RET_GLUE", SDTX86Ret,
[SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
def X86iret : SDNode<"X86ISD::IRET", SDTX86Ret,
[SDNPHasChain, SDNPOptInGlue]>;
def X86vastart_save_xmm_regs :
SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
SDT_X86VASTART_SAVE_XMM_REGS,
[SDNPHasChain, SDNPMayStore, SDNPMemOperand, SDNPVariadic]>;
def X86vaarg64 :
SDNode<"X86ISD::VAARG_64", SDT_X86VAARG,
[SDNPHasChain, SDNPMayLoad, SDNPMayStore,
SDNPMemOperand]>;
def X86vaargx32 :
SDNode<"X86ISD::VAARG_X32", SDT_X86VAARG,
[SDNPHasChain, SDNPMayLoad, SDNPMayStore,
SDNPMemOperand]>;
def X86callseq_start :
SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
[SDNPHasChain, SDNPOutGlue]>;
def X86callseq_end :
SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
[SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
SDNPVariadic]>;
def X86call_rvmarker : SDNode<"X86ISD::CALL_RVMARKER", SDT_X86Call,
[SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
SDNPVariadic]>;
def X86NoTrackCall : SDNode<"X86ISD::NT_CALL", SDT_X86Call,
[SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
SDNPVariadic]>;
def X86NoTrackBrind : SDNode<"X86ISD::NT_BRIND", SDT_X86NtBrind,
[SDNPHasChain]>;
def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
[SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore]>;
def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
[SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
SDNPMayLoad]>;
def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
def X86RecoverFrameAlloc : SDNode<"ISD::LOCAL_RECOVER",
SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>,
SDTCisInt<1>]>>;
def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
def X86tlsbaseaddr : SDNode<"X86ISD::TLSBASEADDR", SDT_X86TLSBASEADDR,
[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
[SDNPHasChain]>;
def X86eh_sjlj_setjmp : SDNode<"X86ISD::EH_SJLJ_SETJMP",
SDTypeProfile<1, 1, [SDTCisInt<0>,
SDTCisPtrTy<1>]>,
[SDNPHasChain, SDNPSideEffect]>;
def X86eh_sjlj_longjmp : SDNode<"X86ISD::EH_SJLJ_LONGJMP",
SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>,
[SDNPHasChain, SDNPSideEffect]>;
def X86eh_sjlj_setup_dispatch : SDNode<"X86ISD::EH_SJLJ_SETUP_DISPATCH",
SDTypeProfile<0, 0, []>,
[SDNPHasChain, SDNPSideEffect]>;
def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
[SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
[SDNPCommutative]>;
def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
[SDNPCommutative]>;
def X86umul_flag : SDNode<"X86ISD::UMUL", SDT2ResultBinaryArithWithFlags,
[SDNPCommutative]>;
def X86adc_flag : SDNode<"X86ISD::ADC", SDTBinaryArithWithFlagsInOut>;
def X86sbb_flag : SDNode<"X86ISD::SBB", SDTBinaryArithWithFlagsInOut>;
def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
[SDNPCommutative]>;
def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
[SDNPCommutative]>;
def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
[SDNPCommutative]>;
def X86lock_add : SDNode<"X86ISD::LADD", SDTLockBinaryArithWithFlags,
[SDNPHasChain, SDNPMayStore, SDNPMayLoad,
SDNPMemOperand]>;
def X86lock_sub : SDNode<"X86ISD::LSUB", SDTLockBinaryArithWithFlags,
[SDNPHasChain, SDNPMayStore, SDNPMayLoad,
SDNPMemOperand]>;
def X86lock_or : SDNode<"X86ISD::LOR", SDTLockBinaryArithWithFlags,
[SDNPHasChain, SDNPMayStore, SDNPMayLoad,
SDNPMemOperand]>;
def X86lock_xor : SDNode<"X86ISD::LXOR", SDTLockBinaryArithWithFlags,
[SDNPHasChain, SDNPMayStore, SDNPMayLoad,
SDNPMemOperand]>;
def X86lock_and : SDNode<"X86ISD::LAND", SDTLockBinaryArithWithFlags,
[SDNPHasChain, SDNPMayStore, SDNPMayLoad,
SDNPMemOperand]>;
def X86bextr : SDNode<"X86ISD::BEXTR", SDTIntBinOp>;
def X86bextri : SDNode<"X86ISD::BEXTRI", SDTIntBinOp>;
def X86bzhi : SDNode<"X86ISD::BZHI", SDTIntBinOp>;
def X86pdep : SDNode<"X86ISD::PDEP", SDTIntBinOp>;
def X86pext : SDNode<"X86ISD::PEXT", SDTIntBinOp>;
def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
def X86DynAlloca : SDNode<"X86ISD::DYN_ALLOCA", SDT_X86DYN_ALLOCA,
[SDNPHasChain, SDNPOutGlue]>;
def X86SegAlloca : SDNode<"X86ISD::SEG_ALLOCA", SDT_X86SEG_ALLOCA,
[SDNPHasChain]>;
def X86ProbedAlloca : SDNode<"X86ISD::PROBED_ALLOCA", SDT_X86PROBED_ALLOCA,
[SDNPHasChain]>;
def X86TLSCall : SDNode<"X86ISD::TLSCALL", SDT_X86TLSCALL,
[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
def X86lwpins : SDNode<"X86ISD::LWPINS",
SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisInt<1>,
SDTCisVT<2, i32>, SDTCisVT<3, i32>]>,
[SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPSideEffect]>;
def X86umwait : SDNode<"X86ISD::UMWAIT",
SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisInt<1>,
SDTCisVT<2, i32>, SDTCisVT<3, i32>]>,
[SDNPHasChain, SDNPSideEffect]>;
def X86tpause : SDNode<"X86ISD::TPAUSE",
SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisInt<1>,
SDTCisVT<2, i32>, SDTCisVT<3, i32>]>,
[SDNPHasChain, SDNPSideEffect]>;
def X86enqcmd : SDNode<"X86ISD::ENQCMD", SDT_X86ENQCMD,
[SDNPHasChain, SDNPSideEffect]>;
def X86enqcmds : SDNode<"X86ISD::ENQCMDS", SDT_X86ENQCMD,
[SDNPHasChain, SDNPSideEffect]>;
def X86testui : SDNode<"X86ISD::TESTUI",
SDTypeProfile<1, 0, [SDTCisVT<0, i32>]>,
[SDNPHasChain, SDNPSideEffect]>;
def X86aesenc128kl : SDNode<"X86ISD::AESENC128KL", SDT_X86AESENCDECKL,
[SDNPHasChain, SDNPMayLoad, SDNPSideEffect,
SDNPMemOperand]>;
def X86aesdec128kl : SDNode<"X86ISD::AESDEC128KL", SDT_X86AESENCDECKL,
[SDNPHasChain, SDNPMayLoad, SDNPSideEffect,
SDNPMemOperand]>;
def X86aesenc256kl : SDNode<"X86ISD::AESENC256KL", SDT_X86AESENCDECKL,
[SDNPHasChain, SDNPMayLoad, SDNPSideEffect,
SDNPMemOperand]>;
def X86aesdec256kl : SDNode<"X86ISD::AESDEC256KL", SDT_X86AESENCDECKL,
[SDNPHasChain, SDNPMayLoad, SDNPSideEffect,
SDNPMemOperand]>;
def X86cmpccxadd : SDNode<"X86ISD::CMPCCXADD", SDTX86Cmpccxadd,
[SDNPHasChain, SDNPMayLoad, SDNPMayStore,
SDNPMemOperand]>;
// Define X86-specific addressing mode.
def addr : ComplexPattern<iPTR, 5, "selectAddr", [], [SDNPWantParent]>;
def lea32addr : ComplexPattern<i32, 5, "selectLEAAddr",
[add, sub, mul, X86mul_imm, shl, or, xor, frameindex],
[]>;
// In 64-bit mode 32-bit LEAs can use RIP-relative addressing.
def lea64_32addr : ComplexPattern<i32, 5, "selectLEA64_32Addr",
[add, sub, mul, X86mul_imm, shl, or, xor,
frameindex, X86WrapperRIP],
[]>;
def tls32addr : ComplexPattern<i32, 5, "selectTLSADDRAddr",
[tglobaltlsaddr], []>;
def tls32baseaddr : ComplexPattern<i32, 5, "selectTLSADDRAddr",
[tglobaltlsaddr], []>;
def lea64addr : ComplexPattern<i64, 5, "selectLEAAddr",
[add, sub, mul, X86mul_imm, shl, or, xor, frameindex,
X86WrapperRIP], []>;
def tls64addr : ComplexPattern<i64, 5, "selectTLSADDRAddr",
[tglobaltlsaddr], []>;
def tls64baseaddr : ComplexPattern<i64, 5, "selectTLSADDRAddr",
[tglobaltlsaddr], []>;
def vectoraddr : ComplexPattern<iPTR, 5, "selectVectorAddr", [],[SDNPWantParent]>;
// A relocatable immediate is an operand that can be relocated by the linker to
// an immediate, such as a regular symbol in non-PIC code.
def relocImm : ComplexPattern<iAny, 1, "selectRelocImm",
[X86Wrapper], [], 0>;
// X86 specific condition code. These correspond to CondCode in
// X86InstrInfo.h. They must be kept in synch.
def X86_COND_O : PatLeaf<(i8 0)>;
def X86_COND_NO : PatLeaf<(i8 1)>;
def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
def X86_COND_AE : PatLeaf<(i8 3)>; // alt. COND_NC
def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
def X86_COND_NE : PatLeaf<(i8 5)>; // alt. COND_NZ
def X86_COND_BE : PatLeaf<(i8 6)>; // alt. COND_NA
def X86_COND_A : PatLeaf<(i8 7)>; // alt. COND_NBE
def X86_COND_S : PatLeaf<(i8 8)>;
def X86_COND_NS : PatLeaf<(i8 9)>;
def X86_COND_P : PatLeaf<(i8 10)>; // alt. COND_PE
def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
def X86_COND_L : PatLeaf<(i8 12)>; // alt. COND_NGE
def X86_COND_GE : PatLeaf<(i8 13)>; // alt. COND_NL
def X86_COND_LE : PatLeaf<(i8 14)>; // alt. COND_NG
def X86_COND_G : PatLeaf<(i8 15)>; // alt. COND_NLE
def i16immSExt8 : ImmLeaf<i16, [{ return isInt<8>(Imm); }]>;
def i32immSExt8 : ImmLeaf<i32, [{ return isInt<8>(Imm); }]>;
def i64immSExt8 : ImmLeaf<i64, [{ return isInt<8>(Imm); }]>;
def i64immSExt32 : ImmLeaf<i64, [{ return isInt<32>(Imm); }]>;
def i64timmSExt32 : TImmLeaf<i64, [{ return isInt<32>(Imm); }]>;
def i16relocImmSExt8 : PatLeaf<(i16 relocImm), [{
return isSExtAbsoluteSymbolRef(8, N);
}]>;
def i32relocImmSExt8 : PatLeaf<(i32 relocImm), [{
return isSExtAbsoluteSymbolRef(8, N);
}]>;
def i64relocImmSExt8 : PatLeaf<(i64 relocImm), [{
return isSExtAbsoluteSymbolRef(8, N);
}]>;
def i64relocImmSExt32 : PatLeaf<(i64 relocImm), [{
return isSExtAbsoluteSymbolRef(32, N);
}]>;
// If we have multiple users of an immediate, it's much smaller to reuse
// the register, rather than encode the immediate in every instruction.
// This has the risk of increasing register pressure from stretched live
// ranges, however, the immediates should be trivial to rematerialize by
// the RA in the event of high register pressure.
// TODO : This is currently enabled for stores and binary ops. There are more
// cases for which this can be enabled, though this catches the bulk of the
// issues.
// TODO2 : This should really also be enabled under O2, but there's currently
// an issue with RA where we don't pull the constants into their users
// when we rematerialize them. I'll follow-up on enabling O2 after we fix that
// issue.
// TODO3 : This is currently limited to single basic blocks (DAG creation
// pulls block immediates to the top and merges them if necessary).
// Eventually, it would be nice to allow ConstantHoisting to merge constants
// globally for potentially added savings.
//
def imm_su : PatLeaf<(imm), [{
return !shouldAvoidImmediateInstFormsForSize(N);
}]>;
def i64immSExt32_su : PatLeaf<(i64immSExt32), [{
return !shouldAvoidImmediateInstFormsForSize(N);
}]>;
def relocImm8_su : PatLeaf<(i8 relocImm), [{
return !shouldAvoidImmediateInstFormsForSize(N);
}]>;
def relocImm16_su : PatLeaf<(i16 relocImm), [{
return !shouldAvoidImmediateInstFormsForSize(N);
}]>;
def relocImm32_su : PatLeaf<(i32 relocImm), [{
return !shouldAvoidImmediateInstFormsForSize(N);
}]>;
def i16relocImmSExt8_su : PatLeaf<(i16relocImmSExt8), [{
return !shouldAvoidImmediateInstFormsForSize(N);
}]>;
def i32relocImmSExt8_su : PatLeaf<(i32relocImmSExt8), [{
return !shouldAvoidImmediateInstFormsForSize(N);
}]>;
def i64relocImmSExt8_su : PatLeaf<(i64relocImmSExt8), [{
return !shouldAvoidImmediateInstFormsForSize(N);
}]>;
def i64relocImmSExt32_su : PatLeaf<(i64relocImmSExt32), [{
return !shouldAvoidImmediateInstFormsForSize(N);
}]>;
def i16immSExt8_su : PatLeaf<(i16immSExt8), [{
return !shouldAvoidImmediateInstFormsForSize(N);
}]>;
def i32immSExt8_su : PatLeaf<(i32immSExt8), [{
return !shouldAvoidImmediateInstFormsForSize(N);
}]>;
def i64immSExt8_su : PatLeaf<(i64immSExt8), [{
return !shouldAvoidImmediateInstFormsForSize(N);
}]>;
// i64immZExt32 predicate - True if the 64-bit immediate fits in a 32-bit
// unsigned field.
def i64immZExt32 : ImmLeaf<i64, [{ return isUInt<32>(Imm); }]>;
def i64immZExt32SExt8 : ImmLeaf<i64, [{
return isUInt<32>(Imm) && isInt<8>(static_cast<int32_t>(Imm));
}]>;
// Helper fragments for loads.
// It's safe to fold a zextload/extload from i1 as a regular i8 load. The
// upper bits are guaranteed to be zero and we were going to emit a MOV8rm
// which might get folded during peephole anyway.
def loadi8 : PatFrag<(ops node:$ptr), (i8 (unindexedload node:$ptr)), [{
LoadSDNode *LD = cast<LoadSDNode>(N);
ISD::LoadExtType ExtType = LD->getExtensionType();
return ExtType == ISD::NON_EXTLOAD || ExtType == ISD::EXTLOAD ||
ExtType == ISD::ZEXTLOAD;
}]>;
// It's always safe to treat a anyext i16 load as a i32 load if the i16 is
// known to be 32-bit aligned or better. Ditto for i8 to i16.
def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
LoadSDNode *LD = cast<LoadSDNode>(N);
ISD::LoadExtType ExtType = LD->getExtensionType();
if (ExtType == ISD::NON_EXTLOAD)
return true;
if (ExtType == ISD::EXTLOAD && EnablePromoteAnyextLoad)
return LD->getAlign() >= 2 && LD->isSimple();
return false;
}]>;
def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
LoadSDNode *LD = cast<LoadSDNode>(N);
ISD::LoadExtType ExtType = LD->getExtensionType();
if (ExtType == ISD::NON_EXTLOAD)
return true;
if (ExtType == ISD::EXTLOAD && EnablePromoteAnyextLoad)
return LD->getAlign() >= 4 && LD->isSimple();
return false;
}]>;
def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
def loadf16 : PatFrag<(ops node:$ptr), (f16 (load node:$ptr))>;
def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr))>;
def loadf128 : PatFrag<(ops node:$ptr), (f128 (load node:$ptr))>;
def alignedloadf128 : PatFrag<(ops node:$ptr), (f128 (load node:$ptr)), [{
LoadSDNode *Ld = cast<LoadSDNode>(N);
return Ld->getAlign() >= Ld->getMemoryVT().getStoreSize();
}]>;
def memopf128 : PatFrag<(ops node:$ptr), (f128 (load node:$ptr)), [{
LoadSDNode *Ld = cast<LoadSDNode>(N);
return Subtarget->hasSSEUnalignedMem() ||
Ld->getAlign() >= Ld->getMemoryVT().getStoreSize();
}]>;
def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
def sextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (sextloadi8 node:$ptr))>;
def sextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (sextloadi16 node:$ptr))>;
def sextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (sextloadi32 node:$ptr))>;
def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
def zextloadi64i1 : PatFrag<(ops node:$ptr), (i64 (zextloadi1 node:$ptr))>;
def zextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (zextloadi8 node:$ptr))>;
def zextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (zextloadi16 node:$ptr))>;
def zextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (zextloadi32 node:$ptr))>;
def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
def extloadi64i1 : PatFrag<(ops node:$ptr), (i64 (extloadi1 node:$ptr))>;
def extloadi64i8 : PatFrag<(ops node:$ptr), (i64 (extloadi8 node:$ptr))>;
def extloadi64i16 : PatFrag<(ops node:$ptr), (i64 (extloadi16 node:$ptr))>;
// We can treat an i8/i16 extending load to i64 as a 32 bit load if its known
// to be 4 byte aligned or better.
def extloadi64i32 : PatFrag<(ops node:$ptr), (i64 (unindexedload node:$ptr)), [{
LoadSDNode *LD = cast<LoadSDNode>(N);
ISD::LoadExtType ExtType = LD->getExtensionType();
if (ExtType != ISD::EXTLOAD)
return false;
if (LD->getMemoryVT() == MVT::i32)
return true;
return LD->getAlign() >= 4 && LD->isSimple();
}]>;
// binary op with only one user
class binop_oneuse<SDPatternOperator operator>
: PatFrag<(ops node:$A, node:$B),
(operator node:$A, node:$B), [{
return N->hasOneUse();
}]>;
def add_su : binop_oneuse<add>;
def and_su : binop_oneuse<and>;
def srl_su : binop_oneuse<srl>;
// unary op with only one user
class unop_oneuse<SDPatternOperator operator>
: PatFrag<(ops node:$A),
(operator node:$A), [{
return N->hasOneUse();
}]>;
def ineg_su : unop_oneuse<ineg>;
def trunc_su : unop_oneuse<trunc>;
def X86add_flag_nocf : PatFrag<(ops node:$lhs, node:$rhs),
(X86add_flag node:$lhs, node:$rhs), [{
return hasNoCarryFlagUses(SDValue(N, 1));
}]>;
def X86sub_flag_nocf : PatFrag<(ops node:$lhs, node:$rhs),
(X86sub_flag node:$lhs, node:$rhs), [{
// Only use DEC if the result is used.
return !SDValue(N, 0).use_empty() && hasNoCarryFlagUses(SDValue(N, 1));
}]>;
def X86testpat : PatFrag<(ops node:$lhs, node:$rhs),
(X86cmp (and_su node:$lhs, node:$rhs), 0)>;
def X86any_fcmp : PatFrags<(ops node:$lhs, node:$rhs),
[(X86strict_fcmp node:$lhs, node:$rhs),
(X86fcmp node:$lhs, node:$rhs)]>;
// PREFETCHWT1 is supported we want to use it for everything but T0.
def PrefetchWLevel : PatFrag<(ops), (i32 timm), [{
return N->getSExtValue() == 3 || !Subtarget->hasPREFETCHWT1();
}]>;
// Use PREFETCHWT1 for NTA, T2, T1.
def PrefetchWT1Level : TImmLeaf<i32, [{
return Imm < 3;
}]>;
def X86lock_add_nocf : PatFrag<(ops node:$lhs, node:$rhs),
(X86lock_add node:$lhs, node:$rhs), [{
return hasNoCarryFlagUses(SDValue(N, 0));
}]>;
def X86lock_sub_nocf : PatFrag<(ops node:$lhs, node:$rhs),
(X86lock_sub node:$lhs, node:$rhs), [{
return hasNoCarryFlagUses(SDValue(N, 0));
}]>;
def X86tcret_6regs : PatFrag<(ops node:$ptr, node:$off),
(X86tcret node:$ptr, node:$off), [{
// X86tcret args: (*chain, ptr, imm, regs..., glue)
unsigned NumRegs = 0;
for (unsigned i = 3, e = N->getNumOperands(); i != e; ++i)
if (isa<RegisterSDNode>(N->getOperand(i)) && ++NumRegs > 6)
return false;
return true;
}]>;
def X86tcret_1reg : PatFrag<(ops node:$ptr, node:$off),
(X86tcret node:$ptr, node:$off), [{
// X86tcret args: (*chain, ptr, imm, regs..., glue)
unsigned NumRegs = 1;
const SDValue& BasePtr = cast<LoadSDNode>(N->getOperand(1))->getBasePtr();
if (isa<FrameIndexSDNode>(BasePtr))
NumRegs = 3;
else if (BasePtr->getNumOperands() && isa<GlobalAddressSDNode>(BasePtr->getOperand(0)))
NumRegs = 3;
for (unsigned i = 3, e = N->getNumOperands(); i != e; ++i)
if (isa<RegisterSDNode>(N->getOperand(i)) && ( NumRegs-- == 0))
return false;
return true;
}]>;
// If this is an anyext of the remainder of an 8-bit sdivrem, use a MOVSX
// instead of a MOVZX. The sdivrem lowering will emit emit a MOVSX to move
// %ah to the lower byte of a register. By using a MOVSX here we allow a
// post-isel peephole to merge the two MOVSX instructions into one.
def anyext_sdiv : PatFrag<(ops node:$lhs), (anyext node:$lhs),[{
return (N->getOperand(0).getOpcode() == ISD::SDIVREM &&
N->getOperand(0).getResNo() == 1);
}]>;
// Any instruction that defines a 32-bit result leaves the high half of the
// register. Truncate can be lowered to EXTRACT_SUBREG. CopyFromReg may
// be copying from a truncate. AssertSext/AssertZext/AssertAlign aren't saying
// anything about the upper 32 bits, they're probably just qualifying a
// CopyFromReg. FREEZE may be coming from a a truncate. Any other 32-bit
// operation will zero-extend up to 64 bits.
def def32 : PatLeaf<(i32 GR32:$src), [{
return N->getOpcode() != ISD::TRUNCATE &&
N->getOpcode() != TargetOpcode::EXTRACT_SUBREG &&
N->getOpcode() != ISD::CopyFromReg &&
N->getOpcode() != ISD::AssertSext &&
N->getOpcode() != ISD::AssertZext &&
N->getOpcode() != ISD::AssertAlign &&
N->getOpcode() != ISD::FREEZE;
}]>;
// Treat an 'or' node is as an 'add' if the or'ed bits are known to be zero.
def or_is_add : PatFrag<(ops node:$lhs, node:$rhs), (or node:$lhs, node:$rhs),[{
if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N->getOperand(1)))
return CurDAG->MaskedValueIsZero(N->getOperand(0), CN->getAPIntValue());
KnownBits Known0 = CurDAG->computeKnownBits(N->getOperand(0), 0);
KnownBits Known1 = CurDAG->computeKnownBits(N->getOperand(1), 0);
return (~Known0.Zero & ~Known1.Zero) == 0;
}]>;
def shiftMask8 : PatFrag<(ops node:$lhs), (and node:$lhs, imm), [{
return isUnneededShiftMask(N, 3);
}]>;
def shiftMask16 : PatFrag<(ops node:$lhs), (and node:$lhs, imm), [{
return isUnneededShiftMask(N, 4);
}]>;
def shiftMask32 : PatFrag<(ops node:$lhs), (and node:$lhs, imm), [{
return isUnneededShiftMask(N, 5);
}]>;
def shiftMask64 : PatFrag<(ops node:$lhs), (and node:$lhs, imm), [{
return isUnneededShiftMask(N, 6);
}]>;
//===----------------------------------------------------------------------===//
// Pattern fragments to auto generate BMI instructions.
//===----------------------------------------------------------------------===//
def or_flag_nocf : PatFrag<(ops node:$lhs, node:$rhs),
(X86or_flag node:$lhs, node:$rhs), [{
return hasNoCarryFlagUses(SDValue(N, 1));
}]>;
def xor_flag_nocf : PatFrag<(ops node:$lhs, node:$rhs),
(X86xor_flag node:$lhs, node:$rhs), [{
return hasNoCarryFlagUses(SDValue(N, 1));
}]>;
def and_flag_nocf : PatFrag<(ops node:$lhs, node:$rhs),
(X86and_flag node:$lhs, node:$rhs), [{
return hasNoCarryFlagUses(SDValue(N, 1));
}]>;
//===----------------------------------------------------------------------===//
// FPStack specific DAG Nodes.
//===----------------------------------------------------------------------===//
def SDTX86Fld : SDTypeProfile<1, 1, [SDTCisFP<0>,
SDTCisPtrTy<1>]>;
def SDTX86Fst : SDTypeProfile<0, 2, [SDTCisFP<0>,
SDTCisPtrTy<1>]>;
def SDTX86Fild : SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisPtrTy<1>]>;
def SDTX86Fist : SDTypeProfile<0, 2, [SDTCisFP<0>, SDTCisPtrTy<1>]>;
def SDTX86CwdStore : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
def SDTX86CwdLoad : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
def SDTX86FPEnv : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
def X86fp80_add : SDNode<"X86ISD::FP80_ADD", SDTFPBinOp, [SDNPCommutative]>;
def X86strict_fp80_add : SDNode<"X86ISD::STRICT_FP80_ADD", SDTFPBinOp,
[SDNPHasChain,SDNPCommutative]>;
def any_X86fp80_add : PatFrags<(ops node:$lhs, node:$rhs),
[(X86strict_fp80_add node:$lhs, node:$rhs),
(X86fp80_add node:$lhs, node:$rhs)]>;
def X86fld : SDNode<"X86ISD::FLD", SDTX86Fld,
[SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
def X86fst : SDNode<"X86ISD::FST", SDTX86Fst,
[SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
def X86fild : SDNode<"X86ISD::FILD", SDTX86Fild,
[SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
def X86fist : SDNode<"X86ISD::FIST", SDTX86Fist,
[SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
def X86fp_to_mem : SDNode<"X86ISD::FP_TO_INT_IN_MEM", SDTX86Fst,
[SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
def X86fp_cwd_get16 : SDNode<"X86ISD::FNSTCW16m", SDTX86CwdStore,
[SDNPHasChain, SDNPMayStore, SDNPSideEffect,
SDNPMemOperand]>;
def X86fp_cwd_set16 : SDNode<"X86ISD::FLDCW16m", SDTX86CwdLoad,
[SDNPHasChain, SDNPMayLoad, SDNPSideEffect,
SDNPMemOperand]>;
def X86fpenv_get : SDNode<"X86ISD::FNSTENVm", SDTX86FPEnv,
[SDNPHasChain, SDNPMayStore, SDNPSideEffect,
SDNPMemOperand]>;
def X86fpenv_set : SDNode<"X86ISD::FLDENVm", SDTX86FPEnv,
[SDNPHasChain, SDNPMayLoad, SDNPSideEffect,
SDNPMemOperand]>;
def X86fstf32 : PatFrag<(ops node:$val, node:$ptr),
(X86fst node:$val, node:$ptr), [{
return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::f32;
}]>;
def X86fstf64 : PatFrag<(ops node:$val, node:$ptr),
(X86fst node:$val, node:$ptr), [{
return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::f64;
}]>;
def X86fstf80 : PatFrag<(ops node:$val, node:$ptr),
(X86fst node:$val, node:$ptr), [{
return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::f80;
}]>;
def X86fldf32 : PatFrag<(ops node:$ptr), (X86fld node:$ptr), [{
return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::f32;
}]>;
def X86fldf64 : PatFrag<(ops node:$ptr), (X86fld node:$ptr), [{
return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::f64;
}]>;
def X86fldf80 : PatFrag<(ops node:$ptr), (X86fld node:$ptr), [{
return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::f80;
}]>;
def X86fild16 : PatFrag<(ops node:$ptr), (X86fild node:$ptr), [{
return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
}]>;
def X86fild32 : PatFrag<(ops node:$ptr), (X86fild node:$ptr), [{
return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
}]>;
def X86fild64 : PatFrag<(ops node:$ptr), (X86fild node:$ptr), [{
return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i64;
}]>;
def X86fist32 : PatFrag<(ops node:$val, node:$ptr),
(X86fist node:$val, node:$ptr), [{
return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
}]>;
def X86fist64 : PatFrag<(ops node:$val, node:$ptr),
(X86fist node:$val, node:$ptr), [{
return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i64;
}]>;
def X86fp_to_i16mem : PatFrag<(ops node:$val, node:$ptr),
(X86fp_to_mem node:$val, node:$ptr), [{
return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
}]>;
def X86fp_to_i32mem : PatFrag<(ops node:$val, node:$ptr),
(X86fp_to_mem node:$val, node:$ptr), [{
return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
}]>;
def X86fp_to_i64mem : PatFrag<(ops node:$val, node:$ptr),
(X86fp_to_mem node:$val, node:$ptr), [{
return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i64;
}]>;
//===----------------------------------------------------------------------===//
// FPStack pattern fragments
//===----------------------------------------------------------------------===//
def fpimm0 : FPImmLeaf<fAny, [{
return Imm.isExactlyValue(+0.0);
}]>;
def fpimmneg0 : FPImmLeaf<fAny, [{
return Imm.isExactlyValue(-0.0);
}]>;
def fpimm1 : FPImmLeaf<fAny, [{
return Imm.isExactlyValue(+1.0);
}]>;
def fpimmneg1 : FPImmLeaf<fAny, [{
return Imm.isExactlyValue(-1.0);
}]>;
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