ARMISelLowering.h revision 31959b19a72608051888160514977875a8027dfc
1a8e2989ece6dc46df59b0768184028257f913843Evan Cheng//===-- ARMISelLowering.h - ARM DAG Lowering Interface ----------*- C++ -*-===// 2a8e2989ece6dc46df59b0768184028257f913843Evan Cheng// 3a8e2989ece6dc46df59b0768184028257f913843Evan Cheng// The LLVM Compiler Infrastructure 4a8e2989ece6dc46df59b0768184028257f913843Evan Cheng// 54ee451de366474b9c228b4e5fa573795a715216dChris Lattner// This file is distributed under the University of Illinois Open Source 64ee451de366474b9c228b4e5fa573795a715216dChris Lattner// License. See LICENSE.TXT for details. 7a8e2989ece6dc46df59b0768184028257f913843Evan Cheng// 8a8e2989ece6dc46df59b0768184028257f913843Evan Cheng//===----------------------------------------------------------------------===// 9a8e2989ece6dc46df59b0768184028257f913843Evan Cheng// 10a8e2989ece6dc46df59b0768184028257f913843Evan Cheng// This file defines the interfaces that ARM uses to lower LLVM code into a 11a8e2989ece6dc46df59b0768184028257f913843Evan Cheng// selection DAG. 12a8e2989ece6dc46df59b0768184028257f913843Evan Cheng// 13a8e2989ece6dc46df59b0768184028257f913843Evan Cheng//===----------------------------------------------------------------------===// 14a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 15a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#ifndef ARMISELLOWERING_H 16a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#define ARMISELLOWERING_H 17a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 18f1ba1cad387dc52f3c2c5afc665edf9caad00992Rafael Espindola#include "ARMSubtarget.h" 19a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#include "llvm/Target/TargetLowering.h" 203144687df78731ac4ddbc716a24b951678a73f57Evan Cheng#include "llvm/Target/TargetRegisterInfo.h" 21ab695889c67fb499bd902e8a969d0ff02ce66788Eric Christopher#include "llvm/CodeGen/FastISel.h" 22a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#include "llvm/CodeGen/SelectionDAG.h" 231f595bb42950088ccb8246e6b065a96027b46ec6Bob Wilson#include "llvm/CodeGen/CallingConvLower.h" 24a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#include <vector> 25a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 26a8e2989ece6dc46df59b0768184028257f913843Evan Chengnamespace llvm { 27a8e2989ece6dc46df59b0768184028257f913843Evan Cheng class ARMConstantPoolValue; 28a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 29a8e2989ece6dc46df59b0768184028257f913843Evan Cheng namespace ARMISD { 30a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // ARM Specific DAG Nodes 31a8e2989ece6dc46df59b0768184028257f913843Evan Cheng enum NodeType { 326aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach // Start the numbering where the builtin ops and target ops leave off. 330ba2bcfcc3149a25d08aa8aa00fb6c34a4e25bddDan Gohman FIRST_NUMBER = ISD::BUILTIN_OP_END, 34a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 35a8e2989ece6dc46df59b0768184028257f913843Evan Cheng Wrapper, // Wrapper - A wrapper node for TargetConstantPool, 36a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // TargetExternalSymbol, and TargetGlobalAddress. 3753519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng WrapperDYN, // WrapperDYN - A wrapper node for TargetGlobalAddress in 3853519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng // DYN mode. 395de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng WrapperPIC, // WrapperPIC - A wrapper node for TargetGlobalAddress in 405de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng // PIC mode. 41a8e2989ece6dc46df59b0768184028257f913843Evan Cheng WrapperJT, // WrapperJT - A wrapper node for TargetJumpTable 426aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach 43a8e2989ece6dc46df59b0768184028257f913843Evan Cheng CALL, // Function call. 44277f0741c5ea123b30360c382a153df238c31caeEvan Cheng CALL_PRED, // Function call that's predicable. 45a8e2989ece6dc46df59b0768184028257f913843Evan Cheng CALL_NOLINK, // Function call with branch not branch-and-link. 46a8e2989ece6dc46df59b0768184028257f913843Evan Cheng tCALL, // Thumb function call. 47a8e2989ece6dc46df59b0768184028257f913843Evan Cheng BRCOND, // Conditional branch. 48a8e2989ece6dc46df59b0768184028257f913843Evan Cheng BR_JT, // Jumptable branch. 495657c01949dca6c012ac60d242d1a8d2ffdf5603Evan Cheng BR2_JT, // Jumptable branch (2 level - jumptable entry is a jump). 50a8e2989ece6dc46df59b0768184028257f913843Evan Cheng RET_FLAG, // Return with a flag operand. 51a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 52a8e2989ece6dc46df59b0768184028257f913843Evan Cheng PIC_ADD, // Add with a PC operand and a PIC label. 53a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 54a8e2989ece6dc46df59b0768184028257f913843Evan Cheng CMP, // ARM compare instructions. 55c0309b48b560f119982c02a81416c8c1fd208648David Goodwin CMPZ, // ARM compare that sets only Z flag. 56a8e2989ece6dc46df59b0768184028257f913843Evan Cheng CMPFP, // ARM VFP compare instruction, sets FPSCR. 57a8e2989ece6dc46df59b0768184028257f913843Evan Cheng CMPFPw0, // ARM VFP compare against zero instruction, sets FPSCR. 58a8e2989ece6dc46df59b0768184028257f913843Evan Cheng FMSTAT, // ARM fmstat instruction. 59a8e2989ece6dc46df59b0768184028257f913843Evan Cheng CMOV, // ARM conditional move instructions. 60a8e2989ece6dc46df59b0768184028257f913843Evan Cheng CNEG, // ARM conditional negate instructions. 616aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach 62218977b53eb215e5534db2f727d109ab18817cc1Evan Cheng BCC_i64, 63218977b53eb215e5534db2f727d109ab18817cc1Evan Cheng 643482c8003ad0c88469b7333aaf658036e3fd0468Jim Grosbach RBIT, // ARM bitreverse instruction 653482c8003ad0c88469b7333aaf658036e3fd0468Jim Grosbach 6676a312b7d1c2b41394696510506967cd0794b831Bob Wilson FTOSI, // FP to sint within a FP register. 6776a312b7d1c2b41394696510506967cd0794b831Bob Wilson FTOUI, // FP to uint within a FP register. 6876a312b7d1c2b41394696510506967cd0794b831Bob Wilson SITOF, // sint to FP within a FP register. 6976a312b7d1c2b41394696510506967cd0794b831Bob Wilson UITOF, // uint to FP within a FP register. 7076a312b7d1c2b41394696510506967cd0794b831Bob Wilson 71a8e2989ece6dc46df59b0768184028257f913843Evan Cheng SRL_FLAG, // V,Flag = srl_flag X -> srl X, 1 + save carry out. 72a8e2989ece6dc46df59b0768184028257f913843Evan Cheng SRA_FLAG, // V,Flag = sra_flag X -> sra X, 1 + save carry out. 73a8e2989ece6dc46df59b0768184028257f913843Evan Cheng RRX, // V = RRX X, Flag -> srl X, 1 + shift in carry flag. 746aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach 75e5165490b7ba24bb2f3043399e0d60e7f3bcf8a5Jim Grosbach VMOVRRD, // double to two gprs. 76e5165490b7ba24bb2f3043399e0d60e7f3bcf8a5Jim Grosbach VMOVDRR, // Two gprs to double. 7764f4fa5e0eb505eec3a72041bec6b3a7f7739dedLauro Ramos Venancio 78e4ad387a5a88dae20f0f7578e55170bbc8eee2a9Jim Grosbach EH_SJLJ_SETJMP, // SjLj exception handling setjmp. 79e4ad387a5a88dae20f0f7578e55170bbc8eee2a9Jim Grosbach EH_SJLJ_LONGJMP, // SjLj exception handling longjmp. 80e4ad387a5a88dae20f0f7578e55170bbc8eee2a9Jim Grosbach EH_SJLJ_DISPATCHSETUP, // SjLj exception handling dispatch setup. 810e0da734bbdfa1d3f55cd04db31d83b97e4556f7Jim Grosbach 8251e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen TC_RETURN, // Tail call return pseudo. 8351e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen 845bafff36c798608a189c517d37527e4a38863071Bob Wilson THREAD_POINTER, 855bafff36c798608a189c517d37527e4a38863071Bob Wilson 86861986401e05e437cb33bfd8320d510b956fe41eEvan Cheng DYN_ALLOC, // Dynamic allocation on the stack. 87861986401e05e437cb33bfd8320d510b956fe41eEvan Cheng 88f74a4298163a7d0b500c7f7a818829c153dc942eBob Wilson MEMBARRIER, // Memory barrier (DMB) 89f74a4298163a7d0b500c7f7a818829c153dc942eBob Wilson MEMBARRIER_MCR, // Memory barrier (MCR) 90dfed19fe2c34c1209108afa58e8ab014ffd894e2Evan Cheng 91dfed19fe2c34c1209108afa58e8ab014ffd894e2Evan Cheng PRELOAD, // Preload 92d1fb583128c6682bb8a7c74eafa810a9270cc8dfNate Begeman 935bafff36c798608a189c517d37527e4a38863071Bob Wilson VCEQ, // Vector compare equal. 94c24cb3551ed66830b53362f593269873cb53a0c4Owen Anderson VCEQZ, // Vector compare equal to zero. 955bafff36c798608a189c517d37527e4a38863071Bob Wilson VCGE, // Vector compare greater than or equal. 96c24cb3551ed66830b53362f593269873cb53a0c4Owen Anderson VCGEZ, // Vector compare greater than or equal to zero. 97c24cb3551ed66830b53362f593269873cb53a0c4Owen Anderson VCLEZ, // Vector compare less than or equal to zero. 985bafff36c798608a189c517d37527e4a38863071Bob Wilson VCGEU, // Vector compare unsigned greater than or equal. 995bafff36c798608a189c517d37527e4a38863071Bob Wilson VCGT, // Vector compare greater than. 100c24cb3551ed66830b53362f593269873cb53a0c4Owen Anderson VCGTZ, // Vector compare greater than zero. 101c24cb3551ed66830b53362f593269873cb53a0c4Owen Anderson VCLTZ, // Vector compare less than zero. 1025bafff36c798608a189c517d37527e4a38863071Bob Wilson VCGTU, // Vector compare unsigned greater than. 1035bafff36c798608a189c517d37527e4a38863071Bob Wilson VTST, // Vector test bits. 1045bafff36c798608a189c517d37527e4a38863071Bob Wilson 1055bafff36c798608a189c517d37527e4a38863071Bob Wilson // Vector shift by immediate: 1065bafff36c798608a189c517d37527e4a38863071Bob Wilson VSHL, // ...left 1075bafff36c798608a189c517d37527e4a38863071Bob Wilson VSHRs, // ...right (signed) 1085bafff36c798608a189c517d37527e4a38863071Bob Wilson VSHRu, // ...right (unsigned) 1095bafff36c798608a189c517d37527e4a38863071Bob Wilson VSHLLs, // ...left long (signed) 1105bafff36c798608a189c517d37527e4a38863071Bob Wilson VSHLLu, // ...left long (unsigned) 1115bafff36c798608a189c517d37527e4a38863071Bob Wilson VSHLLi, // ...left long (with maximum shift count) 1125bafff36c798608a189c517d37527e4a38863071Bob Wilson VSHRN, // ...right narrow 1135bafff36c798608a189c517d37527e4a38863071Bob Wilson 1145bafff36c798608a189c517d37527e4a38863071Bob Wilson // Vector rounding shift by immediate: 1155bafff36c798608a189c517d37527e4a38863071Bob Wilson VRSHRs, // ...right (signed) 1165bafff36c798608a189c517d37527e4a38863071Bob Wilson VRSHRu, // ...right (unsigned) 1175bafff36c798608a189c517d37527e4a38863071Bob Wilson VRSHRN, // ...right narrow 1185bafff36c798608a189c517d37527e4a38863071Bob Wilson 1195bafff36c798608a189c517d37527e4a38863071Bob Wilson // Vector saturating shift by immediate: 1205bafff36c798608a189c517d37527e4a38863071Bob Wilson VQSHLs, // ...left (signed) 1215bafff36c798608a189c517d37527e4a38863071Bob Wilson VQSHLu, // ...left (unsigned) 1225bafff36c798608a189c517d37527e4a38863071Bob Wilson VQSHLsu, // ...left (signed to unsigned) 1235bafff36c798608a189c517d37527e4a38863071Bob Wilson VQSHRNs, // ...right narrow (signed) 1245bafff36c798608a189c517d37527e4a38863071Bob Wilson VQSHRNu, // ...right narrow (unsigned) 1255bafff36c798608a189c517d37527e4a38863071Bob Wilson VQSHRNsu, // ...right narrow (signed to unsigned) 1265bafff36c798608a189c517d37527e4a38863071Bob Wilson 1275bafff36c798608a189c517d37527e4a38863071Bob Wilson // Vector saturating rounding shift by immediate: 1285bafff36c798608a189c517d37527e4a38863071Bob Wilson VQRSHRNs, // ...right narrow (signed) 1295bafff36c798608a189c517d37527e4a38863071Bob Wilson VQRSHRNu, // ...right narrow (unsigned) 1305bafff36c798608a189c517d37527e4a38863071Bob Wilson VQRSHRNsu, // ...right narrow (signed to unsigned) 1315bafff36c798608a189c517d37527e4a38863071Bob Wilson 1325bafff36c798608a189c517d37527e4a38863071Bob Wilson // Vector shift and insert: 1335bafff36c798608a189c517d37527e4a38863071Bob Wilson VSLI, // ...left 1345bafff36c798608a189c517d37527e4a38863071Bob Wilson VSRI, // ...right 1355bafff36c798608a189c517d37527e4a38863071Bob Wilson 1365bafff36c798608a189c517d37527e4a38863071Bob Wilson // Vector get lane (VMOV scalar to ARM core register) 1375bafff36c798608a189c517d37527e4a38863071Bob Wilson // (These are used for 8- and 16-bit element types only.) 1385bafff36c798608a189c517d37527e4a38863071Bob Wilson VGETLANEu, // zero-extend vector extract element 1395bafff36c798608a189c517d37527e4a38863071Bob Wilson VGETLANEs, // sign-extend vector extract element 1405bafff36c798608a189c517d37527e4a38863071Bob Wilson 1417e3f0d26908b82bc6a3699251e0d38821610bca7Bob Wilson // Vector move immediate and move negated immediate: 142cba270d042862bca213b812656a2181b0de0578eBob Wilson VMOVIMM, 1437e3f0d26908b82bc6a3699251e0d38821610bca7Bob Wilson VMVNIMM, 1447e3f0d26908b82bc6a3699251e0d38821610bca7Bob Wilson 1457e3f0d26908b82bc6a3699251e0d38821610bca7Bob Wilson // Vector duplicate: 146c1d287b4b73487b6ab094a253a7357addc1d8b84Bob Wilson VDUP, 1470ce371082565330672c276f76297f46b362d74b7Bob Wilson VDUPLANE, 148a599bff101095e528198ae85739fe8b97ffba82bBob Wilson 149d8e1757eacbcbae6657558f40fdada4279a9d1edBob Wilson // Vector shuffles: 150de95c1b88be44d4af916af8fba9d7940b7e98e32Bob Wilson VEXT, // extract 151d8e1757eacbcbae6657558f40fdada4279a9d1edBob Wilson VREV64, // reverse elements within 64-bit doublewords 152d8e1757eacbcbae6657558f40fdada4279a9d1edBob Wilson VREV32, // reverse elements within 32-bit words 1531c8e581832440a114c9587d41473d107de4cac74Anton Korobeynikov VREV16, // reverse elements within 16-bit halfwords 154c692cb77aaa8b16bcc7fe0c70d47adce94c43911Bob Wilson VZIP, // zip (interleave) 155c692cb77aaa8b16bcc7fe0c70d47adce94c43911Bob Wilson VUZP, // unzip (deinterleave) 1569f6c4c141ffa9c8b13e90dce2f2285c4479ff403Bob Wilson VTRN, // transpose 1579f6c4c141ffa9c8b13e90dce2f2285c4479ff403Bob Wilson 158d0b69cf1198dadbb7bdfc385334b67f60f756539Bob Wilson // Vector multiply long: 159d0b69cf1198dadbb7bdfc385334b67f60f756539Bob Wilson VMULLs, // ...signed 160d0b69cf1198dadbb7bdfc385334b67f60f756539Bob Wilson VMULLu, // ...unsigned 161d0b69cf1198dadbb7bdfc385334b67f60f756539Bob Wilson 16240cbe7d5d41d22d32e8ce773548f510fd1ee0ed9Bob Wilson // Operands of the standard BUILD_VECTOR node are not legalized, which 16340cbe7d5d41d22d32e8ce773548f510fd1ee0ed9Bob Wilson // is fine if BUILD_VECTORs are always lowered to shuffles or other 16440cbe7d5d41d22d32e8ce773548f510fd1ee0ed9Bob Wilson // operations, but for ARM some BUILD_VECTORs are legal as-is and their 16540cbe7d5d41d22d32e8ce773548f510fd1ee0ed9Bob Wilson // operands need to be legalized. Define an ARM-specific version of 16640cbe7d5d41d22d32e8ce773548f510fd1ee0ed9Bob Wilson // BUILD_VECTOR for this purpose. 16740cbe7d5d41d22d32e8ce773548f510fd1ee0ed9Bob Wilson BUILD_VECTOR, 16840cbe7d5d41d22d32e8ce773548f510fd1ee0ed9Bob Wilson 1699f6c4c141ffa9c8b13e90dce2f2285c4479ff403Bob Wilson // Floating-point max and min: 1709f6c4c141ffa9c8b13e90dce2f2285c4479ff403Bob Wilson FMAX, 171469bbdb597f27d6900c95b6d8ae20a45b79ce91bJim Grosbach FMIN, 172469bbdb597f27d6900c95b6d8ae20a45b79ce91bJim Grosbach 173469bbdb597f27d6900c95b6d8ae20a45b79ce91bJim Grosbach // Bit-field insert 174d966817f3cb87897cbec29c967b974924fe939baOwen Anderson BFI, 175d966817f3cb87897cbec29c967b974924fe939baOwen Anderson 176d966817f3cb87897cbec29c967b974924fe939baOwen Anderson // Vector OR with immediate 177080c09229739ec2b13f7bccc361994a8d26b4ed2Owen Anderson VORRIMM, 178080c09229739ec2b13f7bccc361994a8d26b4ed2Owen Anderson // Vector AND with NOT of immediate 179b1dfa7a8e0c1972231bee636afd5239b009ba4daBob Wilson VBICIMM, 180b1dfa7a8e0c1972231bee636afd5239b009ba4daBob Wilson 181b1dfa7a8e0c1972231bee636afd5239b009ba4daBob Wilson // Vector load N-element structure to all lanes: 182b1dfa7a8e0c1972231bee636afd5239b009ba4daBob Wilson VLD2DUP = ISD::FIRST_TARGET_MEMORY_OPCODE, 183b1dfa7a8e0c1972231bee636afd5239b009ba4daBob Wilson VLD3DUP, 184b1dfa7a8e0c1972231bee636afd5239b009ba4daBob Wilson VLD4DUP 185a8e2989ece6dc46df59b0768184028257f913843Evan Cheng }; 186a8e2989ece6dc46df59b0768184028257f913843Evan Cheng } 187a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 1885bafff36c798608a189c517d37527e4a38863071Bob Wilson /// Define some predicates that are used for node matching. 1895bafff36c798608a189c517d37527e4a38863071Bob Wilson namespace ARM { 19039382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng /// getVFPf32Imm / getVFPf64Imm - If the given fp immediate can be 19139382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng /// materialized with a VMOV.f32 / VMOV.f64 (i.e. fconsts / fconstd) 19239382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng /// instruction, returns its 8-bit integer representation. Otherwise, 19339382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng /// returns -1. 19439382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng int getVFPf32Imm(const APFloat &FPImm); 19539382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng int getVFPf64Imm(const APFloat &FPImm); 196469bbdb597f27d6900c95b6d8ae20a45b79ce91bJim Grosbach bool isBitFieldInvertedMask(unsigned v); 1975bafff36c798608a189c517d37527e4a38863071Bob Wilson } 1985bafff36c798608a189c517d37527e4a38863071Bob Wilson 199261f2a2337990bc7cc3d9e20d3338de54b26c74cBob Wilson //===--------------------------------------------------------------------===// 20080dae195c75a3ef38854645ae3cf41f8ae835644Dale Johannesen // ARMTargetLowering - ARM Implementation of the TargetLowering interface 2016aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach 202a8e2989ece6dc46df59b0768184028257f913843Evan Cheng class ARMTargetLowering : public TargetLowering { 203a8e2989ece6dc46df59b0768184028257f913843Evan Cheng public: 20461e729e2e9517ab2d8887bab86fb377900fa1081Dan Gohman explicit ARMTargetLowering(TargetMachine &TM); 205a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 206e1102caf86c8e09387ac7ee83aae4e69d2d35fc4Jim Grosbach virtual unsigned getJumpTableEncoding(void) const; 207e1102caf86c8e09387ac7ee83aae4e69d2d35fc4Jim Grosbach 208d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const; 2091607f05cb7d77d01ce521a30232faa389dbed4e2Duncan Sands 2101607f05cb7d77d01ce521a30232faa389dbed4e2Duncan Sands /// ReplaceNodeResults - Replace the results of node with an illegal result 2111607f05cb7d77d01ce521a30232faa389dbed4e2Duncan Sands /// type with new values built out of custom code. 2121607f05cb7d77d01ce521a30232faa389dbed4e2Duncan Sands /// 2131607f05cb7d77d01ce521a30232faa389dbed4e2Duncan Sands virtual void ReplaceNodeResults(SDNode *N, SmallVectorImpl<SDValue>&Results, 214d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SelectionDAG &DAG) const; 2151607f05cb7d77d01ce521a30232faa389dbed4e2Duncan Sands 216a8e2989ece6dc46df59b0768184028257f913843Evan Cheng virtual const char *getTargetNodeName(unsigned Opcode) const; 217a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 218af1d8ca44a18f304f207e209b3bdb94b590f86ffDan Gohman virtual MachineBasicBlock * 219af1d8ca44a18f304f207e209b3bdb94b590f86ffDan Gohman EmitInstrWithCustomInserter(MachineInstr *MI, 220af1d8ca44a18f304f207e209b3bdb94b590f86ffDan Gohman MachineBasicBlock *MBB) const; 221a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 22231959b19a72608051888160514977875a8027dfcEvan Cheng virtual SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const; 22331959b19a72608051888160514977875a8027dfcEvan Cheng 22431959b19a72608051888160514977875a8027dfcEvan Cheng bool isDesirableToTransformToIntegerOp(unsigned Opc, EVT VT) const; 22531959b19a72608051888160514977875a8027dfcEvan Cheng 226af5663405834ca7cf4a847f2efa2d624ce99b1d8Bill Wendling /// allowsUnalignedMemoryAccesses - Returns true if the target allows 227af5663405834ca7cf4a847f2efa2d624ce99b1d8Bill Wendling /// unaligned memory accesses. of the specified type. 228af5663405834ca7cf4a847f2efa2d624ce99b1d8Bill Wendling /// FIXME: Add getOptimalMemOpType to implement memcpy with NEON? 229af5663405834ca7cf4a847f2efa2d624ce99b1d8Bill Wendling virtual bool allowsUnalignedMemoryAccesses(EVT VT) const; 230af5663405834ca7cf4a847f2efa2d624ce99b1d8Bill Wendling 231c9addb74883fef318140272768422656a694341fChris Lattner /// isLegalAddressingMode - Return true if the addressing mode represented 232c9addb74883fef318140272768422656a694341fChris Lattner /// by AM is legal for this target, for a load/store of the specified type. 233c9addb74883fef318140272768422656a694341fChris Lattner virtual bool isLegalAddressingMode(const AddrMode &AM, const Type *Ty)const; 234e6c835f42418c0fae6b63908d3c576a26d64cab2Evan Cheng bool isLegalT2ScaledAddressingMode(const AddrMode &AM, EVT VT) const; 2356aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach 23677e4751011da2d6afa930ab91f7baee39e7c7e89Evan Cheng /// isLegalICmpImmediate - Return true if the specified immediate is legal 23718f30e6f5e80787808fe1455742452a5210afe07Jim Grosbach /// icmp immediate, that is the target has icmp instructions which can 23818f30e6f5e80787808fe1455742452a5210afe07Jim Grosbach /// compare a register against the immediate without having to materialize 23918f30e6f5e80787808fe1455742452a5210afe07Jim Grosbach /// the immediate into a register. 24006b53c0d51f029eb754b40350faf5ba4b33c4bcbEvan Cheng virtual bool isLegalICmpImmediate(int64_t Imm) const; 24177e4751011da2d6afa930ab91f7baee39e7c7e89Evan Cheng 242a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// getPreIndexedAddressParts - returns true by value, base pointer and 243a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// offset pointer and addressing mode by reference if the node's address 244a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// can be legally represented as pre-indexed load / store address. 245475871a144eb604ddaf37503397ba0941442e5fbDan Gohman virtual bool getPreIndexedAddressParts(SDNode *N, SDValue &Base, 246475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Offset, 247a8e2989ece6dc46df59b0768184028257f913843Evan Cheng ISD::MemIndexedMode &AM, 24873e0914848662404cf2aa18eb049ff5aae543388Dan Gohman SelectionDAG &DAG) const; 249a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 250a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// getPostIndexedAddressParts - returns true by value, base pointer and 251a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// offset pointer and addressing mode by reference if this node can be 252a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// combined with a load / store to form a post-indexed load / store. 253a8e2989ece6dc46df59b0768184028257f913843Evan Cheng virtual bool getPostIndexedAddressParts(SDNode *N, SDNode *Op, 254475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Base, SDValue &Offset, 255a8e2989ece6dc46df59b0768184028257f913843Evan Cheng ISD::MemIndexedMode &AM, 25673e0914848662404cf2aa18eb049ff5aae543388Dan Gohman SelectionDAG &DAG) const; 257a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 258475871a144eb604ddaf37503397ba0941442e5fbDan Gohman virtual void computeMaskedBitsForTargetNode(const SDValue Op, 259977a76fbb6ea1b87dfd7fbbe2ae2afb63e982ff3Dan Gohman const APInt &Mask, 2606aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach APInt &KnownZero, 261fd29e0eb060ea8b4d490860329234d2ae5f5952eDan Gohman APInt &KnownOne, 262ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman const SelectionDAG &DAG, 263a8e2989ece6dc46df59b0768184028257f913843Evan Cheng unsigned Depth) const; 264af5663405834ca7cf4a847f2efa2d624ce99b1d8Bill Wendling 265af5663405834ca7cf4a847f2efa2d624ce99b1d8Bill Wendling 26655d42003368c57d3a41c5f464d39b8440050d558Evan Cheng virtual bool ExpandInlineAsm(CallInst *CI) const; 26755d42003368c57d3a41c5f464d39b8440050d558Evan Cheng 2684234f57fa02b1f04a9f52a7b3c2aa22d32ac521cChris Lattner ConstraintType getConstraintType(const std::string &Constraint) const; 26944ab89eb376af838d1123293a79975aede501464John Thompson 27044ab89eb376af838d1123293a79975aede501464John Thompson /// Examine constraint string and operand type and determine a weight value. 27144ab89eb376af838d1123293a79975aede501464John Thompson /// The operand object must already have been set up with the operand type. 27244ab89eb376af838d1123293a79975aede501464John Thompson ConstraintWeight getSingleConstraintMatchWeight( 27344ab89eb376af838d1123293a79975aede501464John Thompson AsmOperandInfo &info, const char *constraint) const; 27444ab89eb376af838d1123293a79975aede501464John Thompson 2756aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach std::pair<unsigned, const TargetRegisterClass*> 276a8e2989ece6dc46df59b0768184028257f913843Evan Cheng getRegForInlineAsmConstraint(const std::string &Constraint, 277e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson EVT VT) const; 278a8e2989ece6dc46df59b0768184028257f913843Evan Cheng std::vector<unsigned> 279a8e2989ece6dc46df59b0768184028257f913843Evan Cheng getRegClassForInlineAsmConstraint(const std::string &Constraint, 280e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson EVT VT) const; 281f1ba1cad387dc52f3c2c5afc665edf9caad00992Rafael Espindola 282bf6396bed0597238110aad5b680fd18a4f8769faBob Wilson /// LowerAsmOperandForConstraint - Lower the specified operand into the Ops 283bf6396bed0597238110aad5b680fd18a4f8769faBob Wilson /// vector. If it is invalid, don't add anything to Ops. If hasMemory is 284bf6396bed0597238110aad5b680fd18a4f8769faBob Wilson /// true it means one of the asm constraint of the inline asm instruction 285bf6396bed0597238110aad5b680fd18a4f8769faBob Wilson /// being processed is 'm'. 286bf6396bed0597238110aad5b680fd18a4f8769faBob Wilson virtual void LowerAsmOperandForConstraint(SDValue Op, 287bf6396bed0597238110aad5b680fd18a4f8769faBob Wilson char ConstraintLetter, 288bf6396bed0597238110aad5b680fd18a4f8769faBob Wilson std::vector<SDValue> &Ops, 289bf6396bed0597238110aad5b680fd18a4f8769faBob Wilson SelectionDAG &DAG) const; 2906aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach 291419e4f92635cfaa409282691437aff99062e4e0bDan Gohman const ARMSubtarget* getSubtarget() const { 292707e0184233f27e0e9f9aee0309f2daab8cfe7f8Dan Gohman return Subtarget; 293f1ba1cad387dc52f3c2c5afc665edf9caad00992Rafael Espindola } 294f1ba1cad387dc52f3c2c5afc665edf9caad00992Rafael Espindola 29506b666c7056376b8aaf40be0dc00b97b2cfceb6cEvan Cheng /// getRegClassFor - Return the register class that should be used for the 29606b666c7056376b8aaf40be0dc00b97b2cfceb6cEvan Cheng /// specified value type. 29706b666c7056376b8aaf40be0dc00b97b2cfceb6cEvan Cheng virtual TargetRegisterClass *getRegClassFor(EVT VT) const; 29806b666c7056376b8aaf40be0dc00b97b2cfceb6cEvan Cheng 299b4202b84d7e54efe5e144885c7da63e6cc465f80Bill Wendling /// getFunctionAlignment - Return the Log2 alignment of this function. 30020c568f366be211323eeaf0e45ef053278ec9ddcBill Wendling virtual unsigned getFunctionAlignment(const Function *F) const; 30120c568f366be211323eeaf0e45ef053278ec9ddcBill Wendling 302cec36f4c1118dc8388910d4753fe7cbf88d2d793Anton Korobeynikov /// getMaximalGlobalOffset - Returns the maximal possible offset which can 303cec36f4c1118dc8388910d4753fe7cbf88d2d793Anton Korobeynikov /// be used for loads / stores from the global. 304cec36f4c1118dc8388910d4753fe7cbf88d2d793Anton Korobeynikov virtual unsigned getMaximalGlobalOffset() const; 305cec36f4c1118dc8388910d4753fe7cbf88d2d793Anton Korobeynikov 306ab695889c67fb499bd902e8a969d0ff02ce66788Eric Christopher /// createFastISel - This method returns a target specific FastISel object, 307ab695889c67fb499bd902e8a969d0ff02ce66788Eric Christopher /// or null if the target does not support "fast" ISel. 308ab695889c67fb499bd902e8a969d0ff02ce66788Eric Christopher virtual FastISel *createFastISel(FunctionLoweringInfo &funcInfo) const; 309ab695889c67fb499bd902e8a969d0ff02ce66788Eric Christopher 3101cc3984148be113c6e5e470f23c9ddbd37679c5fEvan Cheng Sched::Preference getSchedulingPreference(SDNode *N) const; 3111cc3984148be113c6e5e470f23c9ddbd37679c5fEvan Cheng 3123144687df78731ac4ddbc716a24b951678a73f57Evan Cheng unsigned getRegPressureLimit(const TargetRegisterClass *RC, 3133144687df78731ac4ddbc716a24b951678a73f57Evan Cheng MachineFunction &MF) const; 3143144687df78731ac4ddbc716a24b951678a73f57Evan Cheng 315d0ac234b1b3a88946ad8bb52677764f3e3eeb8b3Anton Korobeynikov bool isShuffleMaskLegal(const SmallVectorImpl<int> &M, EVT VT) const; 31648e19352840a5f7012493ead894e81a2dbec1778Anton Korobeynikov bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const; 31739382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng 31839382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng /// isFPImmLegal - Returns true if the target can instruction select the 31939382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng /// specified FP immediate natively. If false, the legalizer will 32039382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng /// materialize the FP immediate as a load from a constant pool. 32139382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng virtual bool isFPImmLegal(const APFloat &Imm, EVT VT) const; 32239382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng 32365ffec49f73d1f8856211b107712c58cc9636b78Bob Wilson virtual bool getTgtMemIntrinsic(IntrinsicInfo &Info, 32465ffec49f73d1f8856211b107712c58cc9636b78Bob Wilson const CallInst &I, 32565ffec49f73d1f8856211b107712c58cc9636b78Bob Wilson unsigned Intrinsic) const; 326d70f57b254114841892425a40944268d38ae0bcdEvan Cheng protected: 3274f6b4674be5473319ac5e70c76fd5cb964da2128Evan Cheng std::pair<const TargetRegisterClass*, uint8_t> 3284f6b4674be5473319ac5e70c76fd5cb964da2128Evan Cheng findRepresentativeClass(EVT VT) const; 329d70f57b254114841892425a40944268d38ae0bcdEvan Cheng 330a8e2989ece6dc46df59b0768184028257f913843Evan Cheng private: 331a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// Subtarget - Keep a pointer to the ARMSubtarget around so that we can 332a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// make the right decision when generating code for different targets. 333a8e2989ece6dc46df59b0768184028257f913843Evan Cheng const ARMSubtarget *Subtarget; 334a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 3353144687df78731ac4ddbc716a24b951678a73f57Evan Cheng const TargetRegisterInfo *RegInfo; 3363144687df78731ac4ddbc716a24b951678a73f57Evan Cheng 3373ef1c8759a20167457eb7fd82ebcaffe7ccaa1d1Evan Cheng const InstrItineraryData *Itins; 3383ef1c8759a20167457eb7fd82ebcaffe7ccaa1d1Evan Cheng 339d2559bf3f30cc7400483825414489ec0fb36481aBob Wilson /// ARMPCLabelIndex - Keep track of the number of ARM PC labels created. 340a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// 341a8e2989ece6dc46df59b0768184028257f913843Evan Cheng unsigned ARMPCLabelIndex; 342a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 343e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson void addTypeForNEON(EVT VT, EVT PromotedLdStVT, EVT PromotedBitwiseVT); 344e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson void addDRTypeForNEON(EVT VT); 345e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson void addQRTypeForNEON(EVT VT); 3465bafff36c798608a189c517d37527e4a38863071Bob Wilson 3475bafff36c798608a189c517d37527e4a38863071Bob Wilson typedef SmallVector<std::pair<unsigned, SDValue>, 8> RegsToPassVector; 34898ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman void PassF64ArgInRegs(DebugLoc dl, SelectionDAG &DAG, 3495bafff36c798608a189c517d37527e4a38863071Bob Wilson SDValue Chain, SDValue &Arg, 3505bafff36c798608a189c517d37527e4a38863071Bob Wilson RegsToPassVector &RegsToPass, 3515bafff36c798608a189c517d37527e4a38863071Bob Wilson CCValAssign &VA, CCValAssign &NextVA, 3525bafff36c798608a189c517d37527e4a38863071Bob Wilson SDValue &StackPtr, 3535bafff36c798608a189c517d37527e4a38863071Bob Wilson SmallVector<SDValue, 8> &MemOpChains, 354d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman ISD::ArgFlagsTy Flags) const; 3555bafff36c798608a189c517d37527e4a38863071Bob Wilson SDValue GetF64FormalArgument(CCValAssign &VA, CCValAssign &NextVA, 356d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue &Root, SelectionDAG &DAG, 357d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman DebugLoc dl) const; 3585bafff36c798608a189c517d37527e4a38863071Bob Wilson 35918f30e6f5e80787808fe1455742452a5210afe07Jim Grosbach CCAssignFn *CCAssignFnForNode(CallingConv::ID CC, bool Return, 36018f30e6f5e80787808fe1455742452a5210afe07Jim Grosbach bool isVarArg) const; 36198ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman SDValue LowerMemOpCallTo(SDValue Chain, SDValue StackPtr, SDValue Arg, 36298ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman DebugLoc dl, SelectionDAG &DAG, 36398ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman const CCValAssign &VA, 364d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman ISD::ArgFlagsTy Flags) const; 36523ff7cff52702a8bff904d8ab4c9ca67cc19d6caJim Grosbach SDValue LowerEH_SJLJ_SETJMP(SDValue Op, SelectionDAG &DAG) const; 3665eb195153950bc7ebfc30649494a78b2096b5ef8Jim Grosbach SDValue LowerEH_SJLJ_LONGJMP(SDValue Op, SelectionDAG &DAG) const; 367e4ad387a5a88dae20f0f7578e55170bbc8eee2a9Jim Grosbach SDValue LowerEH_SJLJ_DISPATCHSETUP(SDValue Op, SelectionDAG &DAG) const; 368a87ded2695e5bce30dbd0d2d2ac10c571bf1d161Jim Grosbach SDValue LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG, 369d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman const ARMSubtarget *Subtarget) const; 370d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerBlockAddress(SDValue Op, SelectionDAG &DAG) const; 371d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerGlobalAddressDarwin(SDValue Op, SelectionDAG &DAG) const; 372d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerGlobalAddressELF(SDValue Op, SelectionDAG &DAG) const; 373d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) const; 374475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LowerToTLSGeneralDynamicModel(GlobalAddressSDNode *GA, 375d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SelectionDAG &DAG) const; 376475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LowerToTLSExecModels(GlobalAddressSDNode *GA, 377d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SelectionDAG &DAG) const; 378d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerGLOBAL_OFFSET_TABLE(SDValue Op, SelectionDAG &DAG) const; 379d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerBR_JT(SDValue Op, SelectionDAG &DAG) const; 380de2b151dbf125af49717807b9cfc1f6f7a5b9ea6Bill Wendling SDValue LowerSELECT(SDValue Op, SelectionDAG &DAG) const; 381d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const; 382d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerBR_CC(SDValue Op, SelectionDAG &DAG) const; 383515fe3a58877c745a922252a4492e866a2f1e42eEvan Cheng SDValue LowerFCOPYSIGN(SDValue Op, SelectionDAG &DAG) const; 3842457f2c66184e978d4ed8fa9e2128effff26cb0bEvan Cheng SDValue LowerRETURNADDR(SDValue Op, SelectionDAG &DAG) const; 385d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) const; 386d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerShiftRightParts(SDValue Op, SelectionDAG &DAG) const; 387d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerShiftLeftParts(SDValue Op, SelectionDAG &DAG) const; 388d1fb583128c6682bb8a7c74eafa810a9270cc8dfNate Begeman SDValue LowerFLT_ROUNDS_(SDValue Op, SelectionDAG &DAG) const; 38911a1dfffc8b6bbe0c0936c2c70681bc74bb5cd56Bob Wilson SDValue LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG, 39011a1dfffc8b6bbe0c0936c2c70681bc74bb5cd56Bob Wilson const ARMSubtarget *ST) const; 39111a1dfffc8b6bbe0c0936c2c70681bc74bb5cd56Bob Wilson 39211a1dfffc8b6bbe0c0936c2c70681bc74bb5cd56Bob Wilson SDValue ReconstructShuffle(SDValue Op, SelectionDAG &DAG) const; 393475871a144eb604ddaf37503397ba0941442e5fbDan Gohman 39498ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman SDValue LowerCallResult(SDValue Chain, SDValue InFlag, 39565c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CallingConv::ID CallConv, bool isVarArg, 39698ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman const SmallVectorImpl<ISD::InputArg> &Ins, 39798ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman DebugLoc dl, SelectionDAG &DAG, 398d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SmallVectorImpl<SDValue> &InVals) const; 39998ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman 40098ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman virtual SDValue 40198ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman LowerFormalArguments(SDValue Chain, 40265c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CallingConv::ID CallConv, bool isVarArg, 40398ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman const SmallVectorImpl<ISD::InputArg> &Ins, 40498ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman DebugLoc dl, SelectionDAG &DAG, 405d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SmallVectorImpl<SDValue> &InVals) const; 40698ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman 40798ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman virtual SDValue 408022d9e1cef7586a80a96446ae8691a37def9bbf4Evan Cheng LowerCall(SDValue Chain, SDValue Callee, 40965c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CallingConv::ID CallConv, bool isVarArg, 4100c439eb2c8397996cbccaf2798e598052d9982c8Evan Cheng bool &isTailCall, 41198ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman const SmallVectorImpl<ISD::OutputArg> &Outs, 412c9403659a98bf6487ab6fbf40b81628b5695c02eDan Gohman const SmallVectorImpl<SDValue> &OutVals, 41398ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman const SmallVectorImpl<ISD::InputArg> &Ins, 41498ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman DebugLoc dl, SelectionDAG &DAG, 415d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SmallVectorImpl<SDValue> &InVals) const; 41698ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman 41751e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen /// IsEligibleForTailCallOptimization - Check whether the call is eligible 41851e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen /// for tail call optimization. Targets which want to do tail call 41951e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen /// optimization should implement this function. 42051e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen bool IsEligibleForTailCallOptimization(SDValue Callee, 42151e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen CallingConv::ID CalleeCC, 42251e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen bool isVarArg, 42351e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen bool isCalleeStructRet, 42451e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen bool isCallerStructRet, 42551e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen const SmallVectorImpl<ISD::OutputArg> &Outs, 426c9403659a98bf6487ab6fbf40b81628b5695c02eDan Gohman const SmallVectorImpl<SDValue> &OutVals, 42751e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen const SmallVectorImpl<ISD::InputArg> &Ins, 42851e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen SelectionDAG& DAG) const; 42998ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman virtual SDValue 43098ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman LowerReturn(SDValue Chain, 43165c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CallingConv::ID CallConv, bool isVarArg, 43298ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman const SmallVectorImpl<ISD::OutputArg> &Outs, 433c9403659a98bf6487ab6fbf40b81628b5695c02eDan Gohman const SmallVectorImpl<SDValue> &OutVals, 434d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman DebugLoc dl, SelectionDAG &DAG) const; 43506b53c0d51f029eb754b40350faf5ba4b33c4bcbEvan Cheng 4363d2125c9dbac695c93f42c0f59fd040e413fd711Evan Cheng virtual bool isUsedByReturnOnly(SDNode *N) const; 4373d2125c9dbac695c93f42c0f59fd040e413fd711Evan Cheng 43806b53c0d51f029eb754b40350faf5ba4b33c4bcbEvan Cheng SDValue getARMCmp(SDValue LHS, SDValue RHS, ISD::CondCode CC, 439218977b53eb215e5534db2f727d109ab18817cc1Evan Cheng SDValue &ARMcc, SelectionDAG &DAG, DebugLoc dl) const; 440218977b53eb215e5534db2f727d109ab18817cc1Evan Cheng SDValue getVFPCmp(SDValue LHS, SDValue RHS, 441218977b53eb215e5534db2f727d109ab18817cc1Evan Cheng SelectionDAG &DAG, DebugLoc dl) const; 442218977b53eb215e5534db2f727d109ab18817cc1Evan Cheng 443218977b53eb215e5534db2f727d109ab18817cc1Evan Cheng SDValue OptimizeVFPBrcond(SDValue Op, SelectionDAG &DAG) const; 4445278eb802fae2ee1a7b2a428596bc364d8bcd9dbJim Grosbach 445e801dc4a7b89f68f40ff2753de988c482d4d117fJim Grosbach MachineBasicBlock *EmitAtomicCmpSwap(MachineInstr *MI, 446e801dc4a7b89f68f40ff2753de988c482d4d117fJim Grosbach MachineBasicBlock *BB, 447e801dc4a7b89f68f40ff2753de988c482d4d117fJim Grosbach unsigned Size) const; 448e801dc4a7b89f68f40ff2753de988c482d4d117fJim Grosbach MachineBasicBlock *EmitAtomicBinary(MachineInstr *MI, 449e801dc4a7b89f68f40ff2753de988c482d4d117fJim Grosbach MachineBasicBlock *BB, 450e801dc4a7b89f68f40ff2753de988c482d4d117fJim Grosbach unsigned Size, 451e801dc4a7b89f68f40ff2753de988c482d4d117fJim Grosbach unsigned BinOpcode) const; 4525278eb802fae2ee1a7b2a428596bc364d8bcd9dbJim Grosbach 453a8e2989ece6dc46df59b0768184028257f913843Evan Cheng }; 454ab695889c67fb499bd902e8a969d0ff02ce66788Eric Christopher 45536fa3ea566c66b42e4dd7b4394be2f1e071647b8Owen Anderson enum NEONModImmType { 45636fa3ea566c66b42e4dd7b4394be2f1e071647b8Owen Anderson VMOVModImm, 45736fa3ea566c66b42e4dd7b4394be2f1e071647b8Owen Anderson VMVNModImm, 45836fa3ea566c66b42e4dd7b4394be2f1e071647b8Owen Anderson OtherModImm 45936fa3ea566c66b42e4dd7b4394be2f1e071647b8Owen Anderson }; 46036fa3ea566c66b42e4dd7b4394be2f1e071647b8Owen Anderson 46136fa3ea566c66b42e4dd7b4394be2f1e071647b8Owen Anderson 462ab695889c67fb499bd902e8a969d0ff02ce66788Eric Christopher namespace ARM { 463ab695889c67fb499bd902e8a969d0ff02ce66788Eric Christopher FastISel *createFastISel(FunctionLoweringInfo &funcInfo); 464ab695889c67fb499bd902e8a969d0ff02ce66788Eric Christopher } 465a8e2989ece6dc46df59b0768184028257f913843Evan Cheng} 466a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 467a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#endif // ARMISELLOWERING_H 468