diff options
Diffstat (limited to 'contrib/llvm/include/llvm/Target/TargetSelectionDAG.td')
-rw-r--r-- | contrib/llvm/include/llvm/Target/TargetSelectionDAG.td | 122 |
1 files changed, 77 insertions, 45 deletions
diff --git a/contrib/llvm/include/llvm/Target/TargetSelectionDAG.td b/contrib/llvm/include/llvm/Target/TargetSelectionDAG.td index 58ccfba..c9be40d 100644 --- a/contrib/llvm/include/llvm/Target/TargetSelectionDAG.td +++ b/contrib/llvm/include/llvm/Target/TargetSelectionDAG.td @@ -1,10 +1,10 @@ //===- TargetSelectionDAG.td - Common code for DAG isels ---*- tablegen -*-===// -// +// // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. -// +// //===----------------------------------------------------------------------===// // // This file defines the target-independent interfaces used by SelectionDAG @@ -61,6 +61,13 @@ class SDTCisEltOfVec<int ThisOp, int OtherOp> int OtherOpNum = OtherOp; } +/// SDTCisSubVecOfVec - This indicates that ThisOp is a vector type +/// with length less that of OtherOp, which is a vector type. +class SDTCisSubVecOfVec<int ThisOp, int OtherOp> + : SDTypeConstraint<ThisOp> { + int OtherOpNum = OtherOp; +} + //===----------------------------------------------------------------------===// // Selection DAG Type Profile definitions. // @@ -123,10 +130,10 @@ def SDTFPRoundOp : SDTypeProfile<1, 1, [ // fround def SDTFPExtendOp : SDTypeProfile<1, 1, [ // fextend SDTCisFP<0>, SDTCisFP<1>, SDTCisOpSmallerThanOp<1, 0> ]>; -def SDTIntToFPOp : SDTypeProfile<1, 1, [ // [su]int_to_fp +def SDTIntToFPOp : SDTypeProfile<1, 1, [ // [su]int_to_fp SDTCisFP<0>, SDTCisInt<1> ]>; -def SDTFPToIntOp : SDTypeProfile<1, 1, [ // fp_to_[su]int +def SDTFPToIntOp : SDTypeProfile<1, 1, [ // fp_to_[su]int SDTCisInt<0>, SDTCisFP<1> ]>; def SDTExtInreg : SDTypeProfile<1, 2, [ // sext_inreg @@ -138,7 +145,7 @@ def SDTSetCC : SDTypeProfile<1, 3, [ // setcc SDTCisInt<0>, SDTCisSameAs<1, 2>, SDTCisVT<3, OtherVT> ]>; -def SDTSelect : SDTypeProfile<1, 3, [ // select +def SDTSelect : SDTypeProfile<1, 3, [ // select SDTCisInt<1>, SDTCisSameAs<0, 2>, SDTCisSameAs<2, 3> ]>; @@ -162,11 +169,11 @@ def SDTBrind : SDTypeProfile<0, 1, [ // brind def SDTNone : SDTypeProfile<0, 0, []>; // ret, trap def SDTLoad : SDTypeProfile<1, 1, [ // load - SDTCisPtrTy<1> + SDTCisPtrTy<1> ]>; def SDTStore : SDTypeProfile<0, 2, [ // store - SDTCisPtrTy<1> + SDTCisPtrTy<1> ]>; def SDTIStore : SDTypeProfile<1, 3, [ // indexed store @@ -183,18 +190,25 @@ def SDTVecInsert : SDTypeProfile<1, 3, [ // vector insert SDTCisEltOfVec<2, 1>, SDTCisSameAs<0, 1>, SDTCisPtrTy<3> ]>; -def STDPrefetch : SDTypeProfile<0, 3, [ // prefetch +def SDTSubVecExtract : SDTypeProfile<1, 2, [// subvector extract + SDTCisSubVecOfVec<0,1>, SDTCisInt<2> +]>; +def SDTSubVecInsert : SDTypeProfile<1, 3, [ // subvector insert + SDTCisSubVecOfVec<2, 1>, SDTCisSameAs<0,1>, SDTCisInt<3> +]>; + +def SDTPrefetch : SDTypeProfile<0, 3, [ // prefetch SDTCisPtrTy<0>, SDTCisSameAs<1, 2>, SDTCisInt<1> ]>; -def STDMemBarrier : SDTypeProfile<0, 5, [ // memory barier +def SDTMemBarrier : SDTypeProfile<0, 5, [ // memory barier SDTCisSameAs<0,1>, SDTCisSameAs<0,2>, SDTCisSameAs<0,3>, SDTCisSameAs<0,4>, SDTCisInt<0> ]>; -def STDAtomic3 : SDTypeProfile<1, 3, [ +def SDTAtomic3 : SDTypeProfile<1, 3, [ SDTCisSameAs<0,2>, SDTCisSameAs<0,3>, SDTCisInt<0>, SDTCisPtrTy<1> ]>; -def STDAtomic2 : SDTypeProfile<1, 2, [ +def SDTAtomic2 : SDTypeProfile<1, 2, [ SDTCisSameAs<0,2>, SDTCisInt<0>, SDTCisPtrTy<1> ]>; @@ -216,20 +230,27 @@ class SDNodeProperty; def SDNPCommutative : SDNodeProperty; // X op Y == Y op X def SDNPAssociative : SDNodeProperty; // (X op Y) op Z == X op (Y op Z) def SDNPHasChain : SDNodeProperty; // R/W chain operand and result -def SDNPOutFlag : SDNodeProperty; // Write a flag result -def SDNPInFlag : SDNodeProperty; // Read a flag operand -def SDNPOptInFlag : SDNodeProperty; // Optionally read a flag operand +def SDNPOutGlue : SDNodeProperty; // Write a flag result +def SDNPInGlue : SDNodeProperty; // Read a flag operand +def SDNPOptInGlue : SDNodeProperty; // Optionally read a flag operand def SDNPMayStore : SDNodeProperty; // May write to memory, sets 'mayStore'. def SDNPMayLoad : SDNodeProperty; // May read memory, sets 'mayLoad'. def SDNPSideEffect : SDNodeProperty; // Sets 'HasUnmodelledSideEffects'. def SDNPMemOperand : SDNodeProperty; // Touches memory, has assoc MemOperand def SDNPVariadic : SDNodeProperty; // Node has variable arguments. +def SDNPWantRoot : SDNodeProperty; // ComplexPattern gets the root of match +def SDNPWantParent : SDNodeProperty; // ComplexPattern gets the parent + +//===----------------------------------------------------------------------===// +// Selection DAG Pattern Operations +class SDPatternOperator; //===----------------------------------------------------------------------===// // Selection DAG Node definitions. // class SDNode<string opcode, SDTypeProfile typeprof, - list<SDNodeProperty> props = [], string sdclass = "SDNode"> { + list<SDNodeProperty> props = [], string sdclass = "SDNode"> + : SDPatternOperator { string Opcode = opcode; string SDClass = sdclass; list<SDNodeProperty> Properties = props; @@ -305,14 +326,14 @@ def or : SDNode<"ISD::OR" , SDTIntBinOp, def xor : SDNode<"ISD::XOR" , SDTIntBinOp, [SDNPCommutative, SDNPAssociative]>; def addc : SDNode<"ISD::ADDC" , SDTIntBinOp, - [SDNPCommutative, SDNPOutFlag]>; + [SDNPCommutative, SDNPOutGlue]>; def adde : SDNode<"ISD::ADDE" , SDTIntBinOp, - [SDNPCommutative, SDNPOutFlag, SDNPInFlag]>; + [SDNPCommutative, SDNPOutGlue, SDNPInGlue]>; def subc : SDNode<"ISD::SUBC" , SDTIntBinOp, - [SDNPOutFlag]>; + [SDNPOutGlue]>; def sube : SDNode<"ISD::SUBE" , SDTIntBinOp, - [SDNPOutFlag, SDNPInFlag]>; - + [SDNPOutGlue, SDNPInGlue]>; + def sext_inreg : SDNode<"ISD::SIGN_EXTEND_INREG", SDTExtInreg>; def bswap : SDNode<"ISD::BSWAP" , SDTIntUnaryOp>; def ctlz : SDNode<"ISD::CTLZ" , SDTIntUnaryOp>; @@ -322,11 +343,11 @@ def sext : SDNode<"ISD::SIGN_EXTEND", SDTIntExtendOp>; def zext : SDNode<"ISD::ZERO_EXTEND", SDTIntExtendOp>; def anyext : SDNode<"ISD::ANY_EXTEND" , SDTIntExtendOp>; def trunc : SDNode<"ISD::TRUNCATE" , SDTIntTruncOp>; -def bitconvert : SDNode<"ISD::BIT_CONVERT", SDTUnaryOp>; +def bitconvert : SDNode<"ISD::BITCAST" , SDTUnaryOp>; def extractelt : SDNode<"ISD::EXTRACT_VECTOR_ELT", SDTVecExtract>; def insertelt : SDNode<"ISD::INSERT_VECTOR_ELT", SDTVecInsert>; - + def fadd : SDNode<"ISD::FADD" , SDTFPBinOp, [SDNPCommutative]>; def fsub : SDNode<"ISD::FSUB" , SDTFPBinOp>; def fmul : SDNode<"ISD::FMUL" , SDTFPBinOp, [SDNPCommutative]>; @@ -367,35 +388,36 @@ def br : SDNode<"ISD::BR" , SDTBr, [SDNPHasChain]>; def trap : SDNode<"ISD::TRAP" , SDTNone, [SDNPHasChain, SDNPSideEffect]>; -def prefetch : SDNode<"ISD::PREFETCH" , STDPrefetch, - [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>; +def prefetch : SDNode<"ISD::PREFETCH" , SDTPrefetch, + [SDNPHasChain, SDNPMayLoad, SDNPMayStore, + SDNPMemOperand]>; -def membarrier : SDNode<"ISD::MEMBARRIER" , STDMemBarrier, +def membarrier : SDNode<"ISD::MEMBARRIER" , SDTMemBarrier, [SDNPHasChain, SDNPSideEffect]>; -def atomic_cmp_swap : SDNode<"ISD::ATOMIC_CMP_SWAP" , STDAtomic3, +def atomic_cmp_swap : SDNode<"ISD::ATOMIC_CMP_SWAP" , SDTAtomic3, [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; -def atomic_load_add : SDNode<"ISD::ATOMIC_LOAD_ADD" , STDAtomic2, +def atomic_load_add : SDNode<"ISD::ATOMIC_LOAD_ADD" , SDTAtomic2, [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; -def atomic_swap : SDNode<"ISD::ATOMIC_SWAP", STDAtomic2, +def atomic_swap : SDNode<"ISD::ATOMIC_SWAP", SDTAtomic2, [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; -def atomic_load_sub : SDNode<"ISD::ATOMIC_LOAD_SUB" , STDAtomic2, +def atomic_load_sub : SDNode<"ISD::ATOMIC_LOAD_SUB" , SDTAtomic2, [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; -def atomic_load_and : SDNode<"ISD::ATOMIC_LOAD_AND" , STDAtomic2, +def atomic_load_and : SDNode<"ISD::ATOMIC_LOAD_AND" , SDTAtomic2, [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; -def atomic_load_or : SDNode<"ISD::ATOMIC_LOAD_OR" , STDAtomic2, +def atomic_load_or : SDNode<"ISD::ATOMIC_LOAD_OR" , SDTAtomic2, [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; -def atomic_load_xor : SDNode<"ISD::ATOMIC_LOAD_XOR" , STDAtomic2, +def atomic_load_xor : SDNode<"ISD::ATOMIC_LOAD_XOR" , SDTAtomic2, [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; -def atomic_load_nand: SDNode<"ISD::ATOMIC_LOAD_NAND", STDAtomic2, +def atomic_load_nand: SDNode<"ISD::ATOMIC_LOAD_NAND", SDTAtomic2, [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; -def atomic_load_min : SDNode<"ISD::ATOMIC_LOAD_MIN", STDAtomic2, +def atomic_load_min : SDNode<"ISD::ATOMIC_LOAD_MIN", SDTAtomic2, [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; -def atomic_load_max : SDNode<"ISD::ATOMIC_LOAD_MAX", STDAtomic2, +def atomic_load_max : SDNode<"ISD::ATOMIC_LOAD_MAX", SDTAtomic2, [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; -def atomic_load_umin : SDNode<"ISD::ATOMIC_LOAD_UMIN", STDAtomic2, +def atomic_load_umin : SDNode<"ISD::ATOMIC_LOAD_UMIN", SDTAtomic2, [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; -def atomic_load_umax : SDNode<"ISD::ATOMIC_LOAD_UMAX", STDAtomic2, +def atomic_load_umax : SDNode<"ISD::ATOMIC_LOAD_UMAX", SDTAtomic2, [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; // Do not use ld, st directly. Use load, extload, sextload, zextload, store, @@ -415,16 +437,26 @@ def vector_extract : SDNode<"ISD::EXTRACT_VECTOR_ELT", SDTypeProfile<1, 2, [SDTCisPtrTy<2>]>, []>; def vector_insert : SDNode<"ISD::INSERT_VECTOR_ELT", SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>, SDTCisPtrTy<3>]>, []>; - + +// This operator does not do subvector type checking. The ARM +// backend, at least, needs it. +def vector_extract_subvec : SDNode<"ISD::EXTRACT_SUBVECTOR", + SDTypeProfile<1, 2, [SDTCisInt<2>, SDTCisVec<1>, SDTCisVec<0>]>, + []>; + +// This operator does subvector type checking. +def extract_subvector : SDNode<"ISD::EXTRACT_SUBVECTOR", SDTSubVecExtract, []>; +def insert_subvector : SDNode<"ISD::INSERT_SUBVECTOR", SDTSubVecInsert, []>; + // Nodes for intrinsics, you should use the intrinsic itself and let tblgen use // these internally. Don't reference these directly. -def intrinsic_void : SDNode<"ISD::INTRINSIC_VOID", +def intrinsic_void : SDNode<"ISD::INTRINSIC_VOID", SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>, [SDNPHasChain]>; -def intrinsic_w_chain : SDNode<"ISD::INTRINSIC_W_CHAIN", +def intrinsic_w_chain : SDNode<"ISD::INTRINSIC_W_CHAIN", SDTypeProfile<1, -1, [SDTCisPtrTy<1>]>, [SDNPHasChain]>; -def intrinsic_wo_chain : SDNode<"ISD::INTRINSIC_WO_CHAIN", +def intrinsic_wo_chain : SDNode<"ISD::INTRINSIC_WO_CHAIN", SDTypeProfile<1, -1, [SDTCisPtrTy<1>]>, []>; // Do not use cvt directly. Use cvt forms below @@ -469,10 +501,10 @@ def NOOP_SDNodeXForm : SDNodeXForm<imm, [{}]>; // /// PatFrag - Represents a pattern fragment. This can match something on the -/// DAG, frame a single node to multiply nested other fragments. +/// DAG, from a single node to multiple nested other fragments. /// class PatFrag<dag ops, dag frag, code pred = [{}], - SDNodeXForm xform = NOOP_SDNodeXForm> { + SDNodeXForm xform = NOOP_SDNodeXForm> : SDPatternOperator { dag Operands = ops; dag Fragment = frag; code Predicate = pred; @@ -822,7 +854,7 @@ def cvtfu : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat), //===----------------------------------------------------------------------===// // Selection DAG Pattern Support. // -// Patterns are what are actually matched against the target-flavored +// Patterns are what are actually matched against by the target-flavored // instruction selection DAG. Instructions defined by the target implicitly // define patterns in most cases, but patterns can also be explicitly added when // an operation is defined by a sequence of instructions (e.g. loading a large @@ -834,7 +866,7 @@ class Pattern<dag patternToMatch, list<dag> resultInstrs> { dag PatternToMatch = patternToMatch; list<dag> ResultInstrs = resultInstrs; list<Predicate> Predicates = []; // See class Instruction in Target.td. - int AddedComplexity = 0; // See class Instruction in Target.td. + int AddedComplexity = 0; // See class Instruction in Target.td. } // Pat - A simple (but common) form of a pattern, which produces a simple result |