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-rw-r--r--contrib/llvm/include/llvm/Target/TargetSelectionDAG.td122
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
OpenPOWER on IntegriCloud