ARMISelLowering.h revision bf010eb9110009d745382bf15131fbe556562ffe
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 18c1f6f42049696e7357fb4837e1b25dabbaed3fe6Craig Topper#include "ARM.h" 19f1ba1cad387dc52f3c2c5afc665edf9caad00992Rafael Espindola#include "ARMSubtarget.h" 20a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#include "llvm/Target/TargetLowering.h" 213144687df78731ac4ddbc716a24b951678a73f57Evan Cheng#include "llvm/Target/TargetRegisterInfo.h" 22ab695889c67fb499bd902e8a969d0ff02ce66788Eric Christopher#include "llvm/CodeGen/FastISel.h" 23a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#include "llvm/CodeGen/SelectionDAG.h" 241f595bb42950088ccb8246e6b065a96027b46ec6Bob Wilson#include "llvm/CodeGen/CallingConvLower.h" 25a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#include <vector> 26a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 27a8e2989ece6dc46df59b0768184028257f913843Evan Chengnamespace llvm { 28a8e2989ece6dc46df59b0768184028257f913843Evan Cheng class ARMConstantPoolValue; 29a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 30a8e2989ece6dc46df59b0768184028257f913843Evan Cheng namespace ARMISD { 31a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // ARM Specific DAG Nodes 32a8e2989ece6dc46df59b0768184028257f913843Evan Cheng enum NodeType { 336aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach // Start the numbering where the builtin ops and target ops leave off. 340ba2bcfcc3149a25d08aa8aa00fb6c34a4e25bddDan Gohman FIRST_NUMBER = ISD::BUILTIN_OP_END, 35a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 36a8e2989ece6dc46df59b0768184028257f913843Evan Cheng Wrapper, // Wrapper - A wrapper node for TargetConstantPool, 37a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // TargetExternalSymbol, and TargetGlobalAddress. 3853519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng WrapperDYN, // WrapperDYN - A wrapper node for TargetGlobalAddress in 3953519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng // DYN mode. 405de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng WrapperPIC, // WrapperPIC - A wrapper node for TargetGlobalAddress in 415de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng // PIC mode. 42a8e2989ece6dc46df59b0768184028257f913843Evan Cheng WrapperJT, // WrapperJT - A wrapper node for TargetJumpTable 436aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach 44a8e2989ece6dc46df59b0768184028257f913843Evan Cheng CALL, // Function call. 45277f0741c5ea123b30360c382a153df238c31caeEvan Cheng CALL_PRED, // Function call that's predicable. 46a8e2989ece6dc46df59b0768184028257f913843Evan Cheng CALL_NOLINK, // Function call with branch not branch-and-link. 47a8e2989ece6dc46df59b0768184028257f913843Evan Cheng tCALL, // Thumb function call. 48a8e2989ece6dc46df59b0768184028257f913843Evan Cheng BRCOND, // Conditional branch. 49a8e2989ece6dc46df59b0768184028257f913843Evan Cheng BR_JT, // Jumptable branch. 505657c01949dca6c012ac60d242d1a8d2ffdf5603Evan Cheng BR2_JT, // Jumptable branch (2 level - jumptable entry is a jump). 51a8e2989ece6dc46df59b0768184028257f913843Evan Cheng RET_FLAG, // Return with a flag operand. 52a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 53a8e2989ece6dc46df59b0768184028257f913843Evan Cheng PIC_ADD, // Add with a PC operand and a PIC label. 54a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 55a8e2989ece6dc46df59b0768184028257f913843Evan Cheng CMP, // ARM compare instructions. 56c0309b48b560f119982c02a81416c8c1fd208648David Goodwin CMPZ, // ARM compare that sets only Z flag. 57a8e2989ece6dc46df59b0768184028257f913843Evan Cheng CMPFP, // ARM VFP compare instruction, sets FPSCR. 58a8e2989ece6dc46df59b0768184028257f913843Evan Cheng CMPFPw0, // ARM VFP compare against zero instruction, sets FPSCR. 59a8e2989ece6dc46df59b0768184028257f913843Evan Cheng FMSTAT, // ARM fmstat instruction. 60c892aeb26601cc5109490d30c7e170cb07f84428Evan Cheng 61a8e2989ece6dc46df59b0768184028257f913843Evan Cheng CMOV, // ARM conditional move instructions. 62c892aeb26601cc5109490d30c7e170cb07f84428Evan Cheng CAND, // ARM conditional and instructions. 63c892aeb26601cc5109490d30c7e170cb07f84428Evan Cheng COR, // ARM conditional or instructions. 64c892aeb26601cc5109490d30c7e170cb07f84428Evan Cheng CXOR, // ARM conditional xor instructions. 656aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach 66218977b53eb215e5534db2f727d109ab18817cc1Evan Cheng BCC_i64, 67218977b53eb215e5534db2f727d109ab18817cc1Evan Cheng 683482c8003ad0c88469b7333aaf658036e3fd0468Jim Grosbach RBIT, // ARM bitreverse instruction 693482c8003ad0c88469b7333aaf658036e3fd0468Jim Grosbach 7076a312b7d1c2b41394696510506967cd0794b831Bob Wilson FTOSI, // FP to sint within a FP register. 7176a312b7d1c2b41394696510506967cd0794b831Bob Wilson FTOUI, // FP to uint within a FP register. 7276a312b7d1c2b41394696510506967cd0794b831Bob Wilson SITOF, // sint to FP within a FP register. 7376a312b7d1c2b41394696510506967cd0794b831Bob Wilson UITOF, // uint to FP within a FP register. 7476a312b7d1c2b41394696510506967cd0794b831Bob Wilson 75a8e2989ece6dc46df59b0768184028257f913843Evan Cheng SRL_FLAG, // V,Flag = srl_flag X -> srl X, 1 + save carry out. 76a8e2989ece6dc46df59b0768184028257f913843Evan Cheng SRA_FLAG, // V,Flag = sra_flag X -> sra X, 1 + save carry out. 77a8e2989ece6dc46df59b0768184028257f913843Evan Cheng RRX, // V = RRX X, Flag -> srl X, 1 + shift in carry flag. 786aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach 79342e3161d9dd4fa485b47788aa0266f9c91c3832Evan Cheng ADDC, // Add with carry 80342e3161d9dd4fa485b47788aa0266f9c91c3832Evan Cheng ADDE, // Add using carry 81342e3161d9dd4fa485b47788aa0266f9c91c3832Evan Cheng SUBC, // Sub with carry 82342e3161d9dd4fa485b47788aa0266f9c91c3832Evan Cheng SUBE, // Sub using carry 83342e3161d9dd4fa485b47788aa0266f9c91c3832Evan Cheng 84e5165490b7ba24bb2f3043399e0d60e7f3bcf8a5Jim Grosbach VMOVRRD, // double to two gprs. 85e5165490b7ba24bb2f3043399e0d60e7f3bcf8a5Jim Grosbach VMOVDRR, // Two gprs to double. 8664f4fa5e0eb505eec3a72041bec6b3a7f7739dedLauro Ramos Venancio 87e4ad387a5a88dae20f0f7578e55170bbc8eee2a9Jim Grosbach EH_SJLJ_SETJMP, // SjLj exception handling setjmp. 88e4ad387a5a88dae20f0f7578e55170bbc8eee2a9Jim Grosbach EH_SJLJ_LONGJMP, // SjLj exception handling longjmp. 890e0da734bbdfa1d3f55cd04db31d83b97e4556f7Jim Grosbach 9051e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen TC_RETURN, // Tail call return pseudo. 9151e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen 925bafff36c798608a189c517d37527e4a38863071Bob Wilson THREAD_POINTER, 935bafff36c798608a189c517d37527e4a38863071Bob Wilson 94861986401e05e437cb33bfd8320d510b956fe41eEvan Cheng DYN_ALLOC, // Dynamic allocation on the stack. 95861986401e05e437cb33bfd8320d510b956fe41eEvan Cheng 96f74a4298163a7d0b500c7f7a818829c153dc942eBob Wilson MEMBARRIER, // Memory barrier (DMB) 97f74a4298163a7d0b500c7f7a818829c153dc942eBob Wilson MEMBARRIER_MCR, // Memory barrier (MCR) 98dfed19fe2c34c1209108afa58e8ab014ffd894e2Evan Cheng 99dfed19fe2c34c1209108afa58e8ab014ffd894e2Evan Cheng PRELOAD, // Preload 1005adfba283dc0795ba005545ce38fa5b0ada14511Andrew Trick 1015bafff36c798608a189c517d37527e4a38863071Bob Wilson VCEQ, // Vector compare equal. 102c24cb3551ed66830b53362f593269873cb53a0c4Owen Anderson VCEQZ, // Vector compare equal to zero. 1035bafff36c798608a189c517d37527e4a38863071Bob Wilson VCGE, // Vector compare greater than or equal. 104c24cb3551ed66830b53362f593269873cb53a0c4Owen Anderson VCGEZ, // Vector compare greater than or equal to zero. 105c24cb3551ed66830b53362f593269873cb53a0c4Owen Anderson VCLEZ, // Vector compare less than or equal to zero. 1065bafff36c798608a189c517d37527e4a38863071Bob Wilson VCGEU, // Vector compare unsigned greater than or equal. 1075bafff36c798608a189c517d37527e4a38863071Bob Wilson VCGT, // Vector compare greater than. 108c24cb3551ed66830b53362f593269873cb53a0c4Owen Anderson VCGTZ, // Vector compare greater than zero. 109c24cb3551ed66830b53362f593269873cb53a0c4Owen Anderson VCLTZ, // Vector compare less than zero. 1105bafff36c798608a189c517d37527e4a38863071Bob Wilson VCGTU, // Vector compare unsigned greater than. 1115bafff36c798608a189c517d37527e4a38863071Bob Wilson VTST, // Vector test bits. 1125bafff36c798608a189c517d37527e4a38863071Bob Wilson 1135bafff36c798608a189c517d37527e4a38863071Bob Wilson // Vector shift by immediate: 1145bafff36c798608a189c517d37527e4a38863071Bob Wilson VSHL, // ...left 1155bafff36c798608a189c517d37527e4a38863071Bob Wilson VSHRs, // ...right (signed) 1165bafff36c798608a189c517d37527e4a38863071Bob Wilson VSHRu, // ...right (unsigned) 1175bafff36c798608a189c517d37527e4a38863071Bob Wilson VSHLLs, // ...left long (signed) 1185bafff36c798608a189c517d37527e4a38863071Bob Wilson VSHLLu, // ...left long (unsigned) 1195bafff36c798608a189c517d37527e4a38863071Bob Wilson VSHLLi, // ...left long (with maximum shift count) 1205bafff36c798608a189c517d37527e4a38863071Bob Wilson VSHRN, // ...right narrow 1215bafff36c798608a189c517d37527e4a38863071Bob Wilson 1225bafff36c798608a189c517d37527e4a38863071Bob Wilson // Vector rounding shift by immediate: 1235bafff36c798608a189c517d37527e4a38863071Bob Wilson VRSHRs, // ...right (signed) 1245bafff36c798608a189c517d37527e4a38863071Bob Wilson VRSHRu, // ...right (unsigned) 1255bafff36c798608a189c517d37527e4a38863071Bob Wilson VRSHRN, // ...right narrow 1265bafff36c798608a189c517d37527e4a38863071Bob Wilson 1275bafff36c798608a189c517d37527e4a38863071Bob Wilson // Vector saturating shift by immediate: 1285bafff36c798608a189c517d37527e4a38863071Bob Wilson VQSHLs, // ...left (signed) 1295bafff36c798608a189c517d37527e4a38863071Bob Wilson VQSHLu, // ...left (unsigned) 1305bafff36c798608a189c517d37527e4a38863071Bob Wilson VQSHLsu, // ...left (signed to unsigned) 1315bafff36c798608a189c517d37527e4a38863071Bob Wilson VQSHRNs, // ...right narrow (signed) 1325bafff36c798608a189c517d37527e4a38863071Bob Wilson VQSHRNu, // ...right narrow (unsigned) 1335bafff36c798608a189c517d37527e4a38863071Bob Wilson VQSHRNsu, // ...right narrow (signed to unsigned) 1345bafff36c798608a189c517d37527e4a38863071Bob Wilson 1355bafff36c798608a189c517d37527e4a38863071Bob Wilson // Vector saturating rounding shift by immediate: 1365bafff36c798608a189c517d37527e4a38863071Bob Wilson VQRSHRNs, // ...right narrow (signed) 1375bafff36c798608a189c517d37527e4a38863071Bob Wilson VQRSHRNu, // ...right narrow (unsigned) 1385bafff36c798608a189c517d37527e4a38863071Bob Wilson VQRSHRNsu, // ...right narrow (signed to unsigned) 1395bafff36c798608a189c517d37527e4a38863071Bob Wilson 1405bafff36c798608a189c517d37527e4a38863071Bob Wilson // Vector shift and insert: 1415bafff36c798608a189c517d37527e4a38863071Bob Wilson VSLI, // ...left 1425bafff36c798608a189c517d37527e4a38863071Bob Wilson VSRI, // ...right 1435bafff36c798608a189c517d37527e4a38863071Bob Wilson 1445bafff36c798608a189c517d37527e4a38863071Bob Wilson // Vector get lane (VMOV scalar to ARM core register) 1455bafff36c798608a189c517d37527e4a38863071Bob Wilson // (These are used for 8- and 16-bit element types only.) 1465bafff36c798608a189c517d37527e4a38863071Bob Wilson VGETLANEu, // zero-extend vector extract element 1475bafff36c798608a189c517d37527e4a38863071Bob Wilson VGETLANEs, // sign-extend vector extract element 1485bafff36c798608a189c517d37527e4a38863071Bob Wilson 1497e3f0d26908b82bc6a3699251e0d38821610bca7Bob Wilson // Vector move immediate and move negated immediate: 150cba270d042862bca213b812656a2181b0de0578eBob Wilson VMOVIMM, 1517e3f0d26908b82bc6a3699251e0d38821610bca7Bob Wilson VMVNIMM, 1527e3f0d26908b82bc6a3699251e0d38821610bca7Bob Wilson 153eaa192af18677c4dc5894e049514d8a6b1d6d7c2Evan Cheng // Vector move f32 immediate: 154eaa192af18677c4dc5894e049514d8a6b1d6d7c2Evan Cheng VMOVFPIMM, 155eaa192af18677c4dc5894e049514d8a6b1d6d7c2Evan Cheng 1567e3f0d26908b82bc6a3699251e0d38821610bca7Bob Wilson // Vector duplicate: 157c1d287b4b73487b6ab094a253a7357addc1d8b84Bob Wilson VDUP, 1580ce371082565330672c276f76297f46b362d74b7Bob Wilson VDUPLANE, 159a599bff101095e528198ae85739fe8b97ffba82bBob Wilson 160d8e1757eacbcbae6657558f40fdada4279a9d1edBob Wilson // Vector shuffles: 161de95c1b88be44d4af916af8fba9d7940b7e98e32Bob Wilson VEXT, // extract 162d8e1757eacbcbae6657558f40fdada4279a9d1edBob Wilson VREV64, // reverse elements within 64-bit doublewords 163d8e1757eacbcbae6657558f40fdada4279a9d1edBob Wilson VREV32, // reverse elements within 32-bit words 1641c8e581832440a114c9587d41473d107de4cac74Anton Korobeynikov VREV16, // reverse elements within 16-bit halfwords 165c692cb77aaa8b16bcc7fe0c70d47adce94c43911Bob Wilson VZIP, // zip (interleave) 166c692cb77aaa8b16bcc7fe0c70d47adce94c43911Bob Wilson VUZP, // unzip (deinterleave) 1679f6c4c141ffa9c8b13e90dce2f2285c4479ff403Bob Wilson VTRN, // transpose 16869a05a7b9205fd4628ed614d1845f3879f6be949Bill Wendling VTBL1, // 1-register shuffle with mask 16969a05a7b9205fd4628ed614d1845f3879f6be949Bill Wendling VTBL2, // 2-register shuffle with mask 1709f6c4c141ffa9c8b13e90dce2f2285c4479ff403Bob Wilson 171d0b69cf1198dadbb7bdfc385334b67f60f756539Bob Wilson // Vector multiply long: 172d0b69cf1198dadbb7bdfc385334b67f60f756539Bob Wilson VMULLs, // ...signed 173d0b69cf1198dadbb7bdfc385334b67f60f756539Bob Wilson VMULLu, // ...unsigned 174d0b69cf1198dadbb7bdfc385334b67f60f756539Bob Wilson 17540cbe7d5d41d22d32e8ce773548f510fd1ee0ed9Bob Wilson // Operands of the standard BUILD_VECTOR node are not legalized, which 17640cbe7d5d41d22d32e8ce773548f510fd1ee0ed9Bob Wilson // is fine if BUILD_VECTORs are always lowered to shuffles or other 17740cbe7d5d41d22d32e8ce773548f510fd1ee0ed9Bob Wilson // operations, but for ARM some BUILD_VECTORs are legal as-is and their 17840cbe7d5d41d22d32e8ce773548f510fd1ee0ed9Bob Wilson // operands need to be legalized. Define an ARM-specific version of 17940cbe7d5d41d22d32e8ce773548f510fd1ee0ed9Bob Wilson // BUILD_VECTOR for this purpose. 18040cbe7d5d41d22d32e8ce773548f510fd1ee0ed9Bob Wilson BUILD_VECTOR, 18140cbe7d5d41d22d32e8ce773548f510fd1ee0ed9Bob Wilson 1829f6c4c141ffa9c8b13e90dce2f2285c4479ff403Bob Wilson // Floating-point max and min: 1839f6c4c141ffa9c8b13e90dce2f2285c4479ff403Bob Wilson FMAX, 184469bbdb597f27d6900c95b6d8ae20a45b79ce91bJim Grosbach FMIN, 185469bbdb597f27d6900c95b6d8ae20a45b79ce91bJim Grosbach 186469bbdb597f27d6900c95b6d8ae20a45b79ce91bJim Grosbach // Bit-field insert 187d966817f3cb87897cbec29c967b974924fe939baOwen Anderson BFI, 1885adfba283dc0795ba005545ce38fa5b0ada14511Andrew Trick 189d966817f3cb87897cbec29c967b974924fe939baOwen Anderson // Vector OR with immediate 190080c09229739ec2b13f7bccc361994a8d26b4ed2Owen Anderson VORRIMM, 191080c09229739ec2b13f7bccc361994a8d26b4ed2Owen Anderson // Vector AND with NOT of immediate 192b1dfa7a8e0c1972231bee636afd5239b009ba4daBob Wilson VBICIMM, 193b1dfa7a8e0c1972231bee636afd5239b009ba4daBob Wilson 194c0e6d780cd7a0935f545a0ec0a9ad4a6ae8db2a9Cameron Zwarich // Vector bitwise select 195c0e6d780cd7a0935f545a0ec0a9ad4a6ae8db2a9Cameron Zwarich VBSL, 196c0e6d780cd7a0935f545a0ec0a9ad4a6ae8db2a9Cameron Zwarich 197b1dfa7a8e0c1972231bee636afd5239b009ba4daBob Wilson // Vector load N-element structure to all lanes: 198b1dfa7a8e0c1972231bee636afd5239b009ba4daBob Wilson VLD2DUP = ISD::FIRST_TARGET_MEMORY_OPCODE, 199b1dfa7a8e0c1972231bee636afd5239b009ba4daBob Wilson VLD3DUP, 2001c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson VLD4DUP, 2011c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson 2021c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson // NEON loads with post-increment base updates: 2031c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson VLD1_UPD, 2041c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson VLD2_UPD, 2051c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson VLD3_UPD, 2061c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson VLD4_UPD, 2071c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson VLD2LN_UPD, 2081c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson VLD3LN_UPD, 2091c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson VLD4LN_UPD, 2101c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson VLD2DUP_UPD, 2111c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson VLD3DUP_UPD, 2121c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson VLD4DUP_UPD, 2131c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson 2141c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson // NEON stores with post-increment base updates: 2151c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson VST1_UPD, 2161c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson VST2_UPD, 2171c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson VST3_UPD, 2181c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson VST4_UPD, 2191c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson VST2LN_UPD, 2201c3ef90cab9a563427bdd3c2fcd875c717750562Bob Wilson VST3LN_UPD, 2212bdffe488203a08a2ca98548a157e0eaf39d4b2dEli Friedman VST4LN_UPD, 2222bdffe488203a08a2ca98548a157e0eaf39d4b2dEli Friedman 2232bdffe488203a08a2ca98548a157e0eaf39d4b2dEli Friedman // 64-bit atomic ops (value split into two registers) 2242bdffe488203a08a2ca98548a157e0eaf39d4b2dEli Friedman ATOMADD64_DAG, 2252bdffe488203a08a2ca98548a157e0eaf39d4b2dEli Friedman ATOMSUB64_DAG, 2262bdffe488203a08a2ca98548a157e0eaf39d4b2dEli Friedman ATOMOR64_DAG, 2272bdffe488203a08a2ca98548a157e0eaf39d4b2dEli Friedman ATOMXOR64_DAG, 2282bdffe488203a08a2ca98548a157e0eaf39d4b2dEli Friedman ATOMAND64_DAG, 2292bdffe488203a08a2ca98548a157e0eaf39d4b2dEli Friedman ATOMNAND64_DAG, 2302bdffe488203a08a2ca98548a157e0eaf39d4b2dEli Friedman ATOMSWAP64_DAG, 2312bdffe488203a08a2ca98548a157e0eaf39d4b2dEli Friedman ATOMCMPXCHG64_DAG 232a8e2989ece6dc46df59b0768184028257f913843Evan Cheng }; 233a8e2989ece6dc46df59b0768184028257f913843Evan Cheng } 234a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 2355bafff36c798608a189c517d37527e4a38863071Bob Wilson /// Define some predicates that are used for node matching. 2365bafff36c798608a189c517d37527e4a38863071Bob Wilson namespace ARM { 237469bbdb597f27d6900c95b6d8ae20a45b79ce91bJim Grosbach bool isBitFieldInvertedMask(unsigned v); 2385bafff36c798608a189c517d37527e4a38863071Bob Wilson } 2395bafff36c798608a189c517d37527e4a38863071Bob Wilson 240261f2a2337990bc7cc3d9e20d3338de54b26c74cBob Wilson //===--------------------------------------------------------------------===// 24180dae195c75a3ef38854645ae3cf41f8ae835644Dale Johannesen // ARMTargetLowering - ARM Implementation of the TargetLowering interface 2426aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach 243a8e2989ece6dc46df59b0768184028257f913843Evan Cheng class ARMTargetLowering : public TargetLowering { 244a8e2989ece6dc46df59b0768184028257f913843Evan Cheng public: 24561e729e2e9517ab2d8887bab86fb377900fa1081Dan Gohman explicit ARMTargetLowering(TargetMachine &TM); 246a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 247e1102caf86c8e09387ac7ee83aae4e69d2d35fc4Jim Grosbach virtual unsigned getJumpTableEncoding(void) const; 248e1102caf86c8e09387ac7ee83aae4e69d2d35fc4Jim Grosbach 249d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const; 2501607f05cb7d77d01ce521a30232faa389dbed4e2Duncan Sands 2511607f05cb7d77d01ce521a30232faa389dbed4e2Duncan Sands /// ReplaceNodeResults - Replace the results of node with an illegal result 2521607f05cb7d77d01ce521a30232faa389dbed4e2Duncan Sands /// type with new values built out of custom code. 2531607f05cb7d77d01ce521a30232faa389dbed4e2Duncan Sands /// 2541607f05cb7d77d01ce521a30232faa389dbed4e2Duncan Sands virtual void ReplaceNodeResults(SDNode *N, SmallVectorImpl<SDValue>&Results, 255d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SelectionDAG &DAG) const; 2561607f05cb7d77d01ce521a30232faa389dbed4e2Duncan Sands 257a8e2989ece6dc46df59b0768184028257f913843Evan Cheng virtual const char *getTargetNodeName(unsigned Opcode) const; 258a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 25928b77e968d2b01fc9da724762bd8ddcd80650e32Duncan Sands /// getSetCCResultType - Return the value type to use for ISD::SETCC. 26028b77e968d2b01fc9da724762bd8ddcd80650e32Duncan Sands virtual EVT getSetCCResultType(EVT VT) const; 26128b77e968d2b01fc9da724762bd8ddcd80650e32Duncan Sands 262af1d8ca44a18f304f207e209b3bdb94b590f86ffDan Gohman virtual MachineBasicBlock * 263af1d8ca44a18f304f207e209b3bdb94b590f86ffDan Gohman EmitInstrWithCustomInserter(MachineInstr *MI, 264af1d8ca44a18f304f207e209b3bdb94b590f86ffDan Gohman MachineBasicBlock *MBB) const; 265a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 26637fefc20d3a1e3934a377567d54a141f67752227Evan Cheng virtual void 26737fefc20d3a1e3934a377567d54a141f67752227Evan Cheng AdjustInstrPostInstrSelection(MachineInstr *MI, SDNode *Node) const; 26837fefc20d3a1e3934a377567d54a141f67752227Evan Cheng 269e721f5c8d3ea2cc2cc8c3c308ce8bdd8a3fc3b32Evan Cheng SDValue PerformCMOVCombine(SDNode *N, SelectionDAG &DAG) const; 27031959b19a72608051888160514977875a8027dfcEvan Cheng virtual SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const; 27131959b19a72608051888160514977875a8027dfcEvan Cheng 27231959b19a72608051888160514977875a8027dfcEvan Cheng bool isDesirableToTransformToIntegerOp(unsigned Opc, EVT VT) const; 27331959b19a72608051888160514977875a8027dfcEvan Cheng 274af5663405834ca7cf4a847f2efa2d624ce99b1d8Bill Wendling /// allowsUnalignedMemoryAccesses - Returns true if the target allows 275af5663405834ca7cf4a847f2efa2d624ce99b1d8Bill Wendling /// unaligned memory accesses. of the specified type. 276af5663405834ca7cf4a847f2efa2d624ce99b1d8Bill Wendling virtual bool allowsUnalignedMemoryAccesses(EVT VT) const; 277af5663405834ca7cf4a847f2efa2d624ce99b1d8Bill Wendling 2781a1d1fcc0b955420cdbe0b94bd01c46d4e96b429Lang Hames virtual EVT getOptimalMemOpType(uint64_t Size, 2791a1d1fcc0b955420cdbe0b94bd01c46d4e96b429Lang Hames unsigned DstAlign, unsigned SrcAlign, 280a1e78888d95375194e7513bef3e18d9f1b7d45bfLang Hames bool IsZeroVal, 2811a1d1fcc0b955420cdbe0b94bd01c46d4e96b429Lang Hames bool MemcpyStrSrc, 2821a1d1fcc0b955420cdbe0b94bd01c46d4e96b429Lang Hames MachineFunction &MF) const; 2831a1d1fcc0b955420cdbe0b94bd01c46d4e96b429Lang Hames 284c9addb74883fef318140272768422656a694341fChris Lattner /// isLegalAddressingMode - Return true if the addressing mode represented 285c9addb74883fef318140272768422656a694341fChris Lattner /// by AM is legal for this target, for a load/store of the specified type. 286db125cfaf57cc83e7dd7453de2d509bc8efd0e5eChris Lattner virtual bool isLegalAddressingMode(const AddrMode &AM, Type *Ty)const; 287e6c835f42418c0fae6b63908d3c576a26d64cab2Evan Cheng bool isLegalT2ScaledAddressingMode(const AddrMode &AM, EVT VT) const; 2886aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach 28977e4751011da2d6afa930ab91f7baee39e7c7e89Evan Cheng /// isLegalICmpImmediate - Return true if the specified immediate is legal 29018f30e6f5e80787808fe1455742452a5210afe07Jim Grosbach /// icmp immediate, that is the target has icmp instructions which can 29118f30e6f5e80787808fe1455742452a5210afe07Jim Grosbach /// compare a register against the immediate without having to materialize 29218f30e6f5e80787808fe1455742452a5210afe07Jim Grosbach /// the immediate into a register. 29306b53c0d51f029eb754b40350faf5ba4b33c4bcbEvan Cheng virtual bool isLegalICmpImmediate(int64_t Imm) const; 29477e4751011da2d6afa930ab91f7baee39e7c7e89Evan Cheng 295cca82149adef8306a295abdc963213ae3b11bbb6Dan Gohman /// isLegalAddImmediate - Return true if the specified immediate is legal 296cca82149adef8306a295abdc963213ae3b11bbb6Dan Gohman /// add immediate, that is the target has add instructions which can 297cca82149adef8306a295abdc963213ae3b11bbb6Dan Gohman /// add a register and the immediate without having to materialize 298cca82149adef8306a295abdc963213ae3b11bbb6Dan Gohman /// the immediate into a register. 299cca82149adef8306a295abdc963213ae3b11bbb6Dan Gohman virtual bool isLegalAddImmediate(int64_t Imm) const; 300cca82149adef8306a295abdc963213ae3b11bbb6Dan Gohman 301a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// getPreIndexedAddressParts - returns true by value, base pointer and 302a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// offset pointer and addressing mode by reference if the node's address 303a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// can be legally represented as pre-indexed load / store address. 304475871a144eb604ddaf37503397ba0941442e5fbDan Gohman virtual bool getPreIndexedAddressParts(SDNode *N, SDValue &Base, 305475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Offset, 306a8e2989ece6dc46df59b0768184028257f913843Evan Cheng ISD::MemIndexedMode &AM, 30773e0914848662404cf2aa18eb049ff5aae543388Dan Gohman SelectionDAG &DAG) const; 308a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 309a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// getPostIndexedAddressParts - returns true by value, base pointer and 310a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// offset pointer and addressing mode by reference if this node can be 311a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// combined with a load / store to form a post-indexed load / store. 312a8e2989ece6dc46df59b0768184028257f913843Evan Cheng virtual bool getPostIndexedAddressParts(SDNode *N, SDNode *Op, 313475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue &Base, SDValue &Offset, 314a8e2989ece6dc46df59b0768184028257f913843Evan Cheng ISD::MemIndexedMode &AM, 31573e0914848662404cf2aa18eb049ff5aae543388Dan Gohman SelectionDAG &DAG) const; 316a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 317475871a144eb604ddaf37503397ba0941442e5fbDan Gohman virtual void computeMaskedBitsForTargetNode(const SDValue Op, 3186aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach APInt &KnownZero, 319fd29e0eb060ea8b4d490860329234d2ae5f5952eDan Gohman APInt &KnownOne, 320ea859be53ca13a1547c4675549946b74dc3c6f41Dan Gohman const SelectionDAG &DAG, 321a8e2989ece6dc46df59b0768184028257f913843Evan Cheng unsigned Depth) const; 322af5663405834ca7cf4a847f2efa2d624ce99b1d8Bill Wendling 323af5663405834ca7cf4a847f2efa2d624ce99b1d8Bill Wendling 32455d42003368c57d3a41c5f464d39b8440050d558Evan Cheng virtual bool ExpandInlineAsm(CallInst *CI) const; 32555d42003368c57d3a41c5f464d39b8440050d558Evan Cheng 3264234f57fa02b1f04a9f52a7b3c2aa22d32ac521cChris Lattner ConstraintType getConstraintType(const std::string &Constraint) const; 32744ab89eb376af838d1123293a79975aede501464John Thompson 32844ab89eb376af838d1123293a79975aede501464John Thompson /// Examine constraint string and operand type and determine a weight value. 32944ab89eb376af838d1123293a79975aede501464John Thompson /// The operand object must already have been set up with the operand type. 33044ab89eb376af838d1123293a79975aede501464John Thompson ConstraintWeight getSingleConstraintMatchWeight( 33144ab89eb376af838d1123293a79975aede501464John Thompson AsmOperandInfo &info, const char *constraint) const; 33244ab89eb376af838d1123293a79975aede501464John Thompson 3336aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach std::pair<unsigned, const TargetRegisterClass*> 334a8e2989ece6dc46df59b0768184028257f913843Evan Cheng getRegForInlineAsmConstraint(const std::string &Constraint, 335e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson EVT VT) const; 336f1ba1cad387dc52f3c2c5afc665edf9caad00992Rafael Espindola 337bf6396bed0597238110aad5b680fd18a4f8769faBob Wilson /// LowerAsmOperandForConstraint - Lower the specified operand into the Ops 338bf6396bed0597238110aad5b680fd18a4f8769faBob Wilson /// vector. If it is invalid, don't add anything to Ops. If hasMemory is 339bf6396bed0597238110aad5b680fd18a4f8769faBob Wilson /// true it means one of the asm constraint of the inline asm instruction 340bf6396bed0597238110aad5b680fd18a4f8769faBob Wilson /// being processed is 'm'. 341bf6396bed0597238110aad5b680fd18a4f8769faBob Wilson virtual void LowerAsmOperandForConstraint(SDValue Op, 342100c83341676d8aae8fc34b5452563ed08b14f3eEric Christopher std::string &Constraint, 343bf6396bed0597238110aad5b680fd18a4f8769faBob Wilson std::vector<SDValue> &Ops, 344bf6396bed0597238110aad5b680fd18a4f8769faBob Wilson SelectionDAG &DAG) const; 3456aa7197fb5aa478a5c813d41a11689bb6d8f7abcJim Grosbach 346419e4f92635cfaa409282691437aff99062e4e0bDan Gohman const ARMSubtarget* getSubtarget() const { 347707e0184233f27e0e9f9aee0309f2daab8cfe7f8Dan Gohman return Subtarget; 348f1ba1cad387dc52f3c2c5afc665edf9caad00992Rafael Espindola } 349f1ba1cad387dc52f3c2c5afc665edf9caad00992Rafael Espindola 35006b666c7056376b8aaf40be0dc00b97b2cfceb6cEvan Cheng /// getRegClassFor - Return the register class that should be used for the 35106b666c7056376b8aaf40be0dc00b97b2cfceb6cEvan Cheng /// specified value type. 35244d23825d61d530b8d562329ec8fc2d4f843bb8dCraig Topper virtual const TargetRegisterClass *getRegClassFor(EVT VT) const; 35306b666c7056376b8aaf40be0dc00b97b2cfceb6cEvan Cheng 354cec36f4c1118dc8388910d4753fe7cbf88d2d793Anton Korobeynikov /// getMaximalGlobalOffset - Returns the maximal possible offset which can 355cec36f4c1118dc8388910d4753fe7cbf88d2d793Anton Korobeynikov /// be used for loads / stores from the global. 356cec36f4c1118dc8388910d4753fe7cbf88d2d793Anton Korobeynikov virtual unsigned getMaximalGlobalOffset() const; 357cec36f4c1118dc8388910d4753fe7cbf88d2d793Anton Korobeynikov 358ab695889c67fb499bd902e8a969d0ff02ce66788Eric Christopher /// createFastISel - This method returns a target specific FastISel object, 359ab695889c67fb499bd902e8a969d0ff02ce66788Eric Christopher /// or null if the target does not support "fast" ISel. 360ab695889c67fb499bd902e8a969d0ff02ce66788Eric Christopher virtual FastISel *createFastISel(FunctionLoweringInfo &funcInfo) const; 361ab695889c67fb499bd902e8a969d0ff02ce66788Eric Christopher 3621cc3984148be113c6e5e470f23c9ddbd37679c5fEvan Cheng Sched::Preference getSchedulingPreference(SDNode *N) const; 3631cc3984148be113c6e5e470f23c9ddbd37679c5fEvan Cheng 364d0ac234b1b3a88946ad8bb52677764f3e3eeb8b3Anton Korobeynikov bool isShuffleMaskLegal(const SmallVectorImpl<int> &M, EVT VT) const; 36548e19352840a5f7012493ead894e81a2dbec1778Anton Korobeynikov bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const; 36639382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng 36739382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng /// isFPImmLegal - Returns true if the target can instruction select the 36839382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng /// specified FP immediate natively. If false, the legalizer will 36939382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng /// materialize the FP immediate as a load from a constant pool. 37039382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng virtual bool isFPImmLegal(const APFloat &Imm, EVT VT) const; 37139382427f1095f089d73a7dd3d9a371dea75b781Evan Cheng 37265ffec49f73d1f8856211b107712c58cc9636b78Bob Wilson virtual bool getTgtMemIntrinsic(IntrinsicInfo &Info, 37365ffec49f73d1f8856211b107712c58cc9636b78Bob Wilson const CallInst &I, 37465ffec49f73d1f8856211b107712c58cc9636b78Bob Wilson unsigned Intrinsic) const; 375d70f57b254114841892425a40944268d38ae0bcdEvan Cheng protected: 3764f6b4674be5473319ac5e70c76fd5cb964da2128Evan Cheng std::pair<const TargetRegisterClass*, uint8_t> 3774f6b4674be5473319ac5e70c76fd5cb964da2128Evan Cheng findRepresentativeClass(EVT VT) const; 378d70f57b254114841892425a40944268d38ae0bcdEvan Cheng 379a8e2989ece6dc46df59b0768184028257f913843Evan Cheng private: 380a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// Subtarget - Keep a pointer to the ARMSubtarget around so that we can 381a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// make the right decision when generating code for different targets. 382a8e2989ece6dc46df59b0768184028257f913843Evan Cheng const ARMSubtarget *Subtarget; 383a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 3843144687df78731ac4ddbc716a24b951678a73f57Evan Cheng const TargetRegisterInfo *RegInfo; 3853144687df78731ac4ddbc716a24b951678a73f57Evan Cheng 3863ef1c8759a20167457eb7fd82ebcaffe7ccaa1d1Evan Cheng const InstrItineraryData *Itins; 3873ef1c8759a20167457eb7fd82ebcaffe7ccaa1d1Evan Cheng 388d2559bf3f30cc7400483825414489ec0fb36481aBob Wilson /// ARMPCLabelIndex - Keep track of the number of ARM PC labels created. 389a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// 390a8e2989ece6dc46df59b0768184028257f913843Evan Cheng unsigned ARMPCLabelIndex; 391a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 392e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson void addTypeForNEON(EVT VT, EVT PromotedLdStVT, EVT PromotedBitwiseVT); 393e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson void addDRTypeForNEON(EVT VT); 394e50ed30282bb5b4a9ed952580523f2dda16215acOwen Anderson void addQRTypeForNEON(EVT VT); 3955bafff36c798608a189c517d37527e4a38863071Bob Wilson 3965bafff36c798608a189c517d37527e4a38863071Bob Wilson typedef SmallVector<std::pair<unsigned, SDValue>, 8> RegsToPassVector; 39798ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman void PassF64ArgInRegs(DebugLoc dl, SelectionDAG &DAG, 3985bafff36c798608a189c517d37527e4a38863071Bob Wilson SDValue Chain, SDValue &Arg, 3995bafff36c798608a189c517d37527e4a38863071Bob Wilson RegsToPassVector &RegsToPass, 4005bafff36c798608a189c517d37527e4a38863071Bob Wilson CCValAssign &VA, CCValAssign &NextVA, 4015bafff36c798608a189c517d37527e4a38863071Bob Wilson SDValue &StackPtr, 4025bafff36c798608a189c517d37527e4a38863071Bob Wilson SmallVector<SDValue, 8> &MemOpChains, 403d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman ISD::ArgFlagsTy Flags) const; 4045bafff36c798608a189c517d37527e4a38863071Bob Wilson SDValue GetF64FormalArgument(CCValAssign &VA, CCValAssign &NextVA, 405d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue &Root, SelectionDAG &DAG, 406d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman DebugLoc dl) const; 4075bafff36c798608a189c517d37527e4a38863071Bob Wilson 40818f30e6f5e80787808fe1455742452a5210afe07Jim Grosbach CCAssignFn *CCAssignFnForNode(CallingConv::ID CC, bool Return, 40918f30e6f5e80787808fe1455742452a5210afe07Jim Grosbach bool isVarArg) const; 41098ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman SDValue LowerMemOpCallTo(SDValue Chain, SDValue StackPtr, SDValue Arg, 41198ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman DebugLoc dl, SelectionDAG &DAG, 41298ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman const CCValAssign &VA, 413d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman ISD::ArgFlagsTy Flags) const; 41423ff7cff52702a8bff904d8ab4c9ca67cc19d6caJim Grosbach SDValue LowerEH_SJLJ_SETJMP(SDValue Op, SelectionDAG &DAG) const; 4155eb195153950bc7ebfc30649494a78b2096b5ef8Jim Grosbach SDValue LowerEH_SJLJ_LONGJMP(SDValue Op, SelectionDAG &DAG) const; 416a87ded2695e5bce30dbd0d2d2ac10c571bf1d161Jim Grosbach SDValue LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG, 417d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman const ARMSubtarget *Subtarget) const; 418d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerBlockAddress(SDValue Op, SelectionDAG &DAG) const; 419d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerGlobalAddressDarwin(SDValue Op, SelectionDAG &DAG) const; 420d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerGlobalAddressELF(SDValue Op, SelectionDAG &DAG) const; 421d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) const; 422475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LowerToTLSGeneralDynamicModel(GlobalAddressSDNode *GA, 423d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SelectionDAG &DAG) const; 424475871a144eb604ddaf37503397ba0941442e5fbDan Gohman SDValue LowerToTLSExecModels(GlobalAddressSDNode *GA, 425d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SelectionDAG &DAG) const; 426d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerGLOBAL_OFFSET_TABLE(SDValue Op, SelectionDAG &DAG) const; 427d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerBR_JT(SDValue Op, SelectionDAG &DAG) const; 428de2b151dbf125af49717807b9cfc1f6f7a5b9ea6Bill Wendling SDValue LowerSELECT(SDValue Op, SelectionDAG &DAG) const; 429d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const; 430d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerBR_CC(SDValue Op, SelectionDAG &DAG) const; 431515fe3a58877c745a922252a4492e866a2f1e42eEvan Cheng SDValue LowerFCOPYSIGN(SDValue Op, SelectionDAG &DAG) const; 4322457f2c66184e978d4ed8fa9e2128effff26cb0bEvan Cheng SDValue LowerRETURNADDR(SDValue Op, SelectionDAG &DAG) const; 433d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) const; 434d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerShiftRightParts(SDValue Op, SelectionDAG &DAG) const; 435d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SDValue LowerShiftLeftParts(SDValue Op, SelectionDAG &DAG) const; 436d1fb583128c6682bb8a7c74eafa810a9270cc8dfNate Begeman SDValue LowerFLT_ROUNDS_(SDValue Op, SelectionDAG &DAG) const; 43745b5f88938f59c495209512b545f289bf2cca90aLang Hames SDValue LowerConstantFP(SDValue Op, SelectionDAG &DAG, 43845b5f88938f59c495209512b545f289bf2cca90aLang Hames const ARMSubtarget *ST) const; 4395adfba283dc0795ba005545ce38fa5b0ada14511Andrew Trick SDValue LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG, 44011a1dfffc8b6bbe0c0936c2c70681bc74bb5cd56Bob Wilson const ARMSubtarget *ST) const; 44111a1dfffc8b6bbe0c0936c2c70681bc74bb5cd56Bob Wilson 44211a1dfffc8b6bbe0c0936c2c70681bc74bb5cd56Bob Wilson SDValue ReconstructShuffle(SDValue Op, SelectionDAG &DAG) const; 443475871a144eb604ddaf37503397ba0941442e5fbDan Gohman 44498ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman SDValue LowerCallResult(SDValue Chain, SDValue InFlag, 44565c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CallingConv::ID CallConv, bool isVarArg, 44698ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman const SmallVectorImpl<ISD::InputArg> &Ins, 44798ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman DebugLoc dl, SelectionDAG &DAG, 448d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SmallVectorImpl<SDValue> &InVals) const; 44998ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman 45098ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman virtual SDValue 45198ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman LowerFormalArguments(SDValue Chain, 45265c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CallingConv::ID CallConv, bool isVarArg, 45398ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman const SmallVectorImpl<ISD::InputArg> &Ins, 45498ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman DebugLoc dl, SelectionDAG &DAG, 455d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SmallVectorImpl<SDValue> &InVals) const; 45698ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman 457c73158730d43e7c8bdef32b2107566a6e78a8538Stuart Hastings void VarArgStyleRegisters(CCState &CCInfo, SelectionDAG &DAG, 458c73158730d43e7c8bdef32b2107566a6e78a8538Stuart Hastings DebugLoc dl, SDValue &Chain, unsigned ArgOffset) 459c73158730d43e7c8bdef32b2107566a6e78a8538Stuart Hastings const; 460c73158730d43e7c8bdef32b2107566a6e78a8538Stuart Hastings 461c73158730d43e7c8bdef32b2107566a6e78a8538Stuart Hastings void computeRegArea(CCState &CCInfo, MachineFunction &MF, 462c73158730d43e7c8bdef32b2107566a6e78a8538Stuart Hastings unsigned &VARegSize, unsigned &VARegSaveSize) const; 463c73158730d43e7c8bdef32b2107566a6e78a8538Stuart Hastings 46498ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman virtual SDValue 465022d9e1cef7586a80a96446ae8691a37def9bbf4Evan Cheng LowerCall(SDValue Chain, SDValue Callee, 46665c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CallingConv::ID CallConv, bool isVarArg, 4674bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng bool doesNotRet, bool &isTailCall, 46898ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman const SmallVectorImpl<ISD::OutputArg> &Outs, 469c9403659a98bf6487ab6fbf40b81628b5695c02eDan Gohman const SmallVectorImpl<SDValue> &OutVals, 47098ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman const SmallVectorImpl<ISD::InputArg> &Ins, 47198ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman DebugLoc dl, SelectionDAG &DAG, 472d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman SmallVectorImpl<SDValue> &InVals) const; 47398ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman 474f222e595c0137b8a9571408257f7000c2fb95473Stuart Hastings /// HandleByVal - Target-specific cleanup for ByVal support. 475c73158730d43e7c8bdef32b2107566a6e78a8538Stuart Hastings virtual void HandleByVal(CCState *, unsigned &) const; 476f222e595c0137b8a9571408257f7000c2fb95473Stuart Hastings 47751e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen /// IsEligibleForTailCallOptimization - Check whether the call is eligible 47851e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen /// for tail call optimization. Targets which want to do tail call 47951e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen /// optimization should implement this function. 48051e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen bool IsEligibleForTailCallOptimization(SDValue Callee, 48151e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen CallingConv::ID CalleeCC, 48251e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen bool isVarArg, 48351e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen bool isCalleeStructRet, 48451e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen bool isCallerStructRet, 48551e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen const SmallVectorImpl<ISD::OutputArg> &Outs, 486c9403659a98bf6487ab6fbf40b81628b5695c02eDan Gohman const SmallVectorImpl<SDValue> &OutVals, 48751e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen const SmallVectorImpl<ISD::InputArg> &Ins, 48851e28e634880849ed9f7c02e93c08d25dd70291bDale Johannesen SelectionDAG& DAG) const; 48998ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman virtual SDValue 49098ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman LowerReturn(SDValue Chain, 49165c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CallingConv::ID CallConv, bool isVarArg, 49298ca4f2a325f72374a477f9deba7d09e8999c29bDan Gohman const SmallVectorImpl<ISD::OutputArg> &Outs, 493c9403659a98bf6487ab6fbf40b81628b5695c02eDan Gohman const SmallVectorImpl<SDValue> &OutVals, 494d858e90f039f5fcdc2fa93035e911a5a9505cc50Dan Gohman DebugLoc dl, SelectionDAG &DAG) const; 49506b53c0d51f029eb754b40350faf5ba4b33c4bcbEvan Cheng 496bf010eb9110009d745382bf15131fbe556562ffeEvan Cheng virtual bool isUsedByReturnOnly(SDNode *N, SDValue &Chain) const; 4973d2125c9dbac695c93f42c0f59fd040e413fd711Evan Cheng 498485fafc8406db8552ba5e3ff871a6ee32694ad90Evan Cheng virtual bool mayBeEmittedAsTailCall(CallInst *CI) const; 499485fafc8406db8552ba5e3ff871a6ee32694ad90Evan Cheng 50006b53c0d51f029eb754b40350faf5ba4b33c4bcbEvan Cheng SDValue getARMCmp(SDValue LHS, SDValue RHS, ISD::CondCode CC, 501218977b53eb215e5534db2f727d109ab18817cc1Evan Cheng SDValue &ARMcc, SelectionDAG &DAG, DebugLoc dl) const; 502218977b53eb215e5534db2f727d109ab18817cc1Evan Cheng SDValue getVFPCmp(SDValue LHS, SDValue RHS, 503218977b53eb215e5534db2f727d109ab18817cc1Evan Cheng SelectionDAG &DAG, DebugLoc dl) const; 50479f56c9618e60c390932a6866929b82c9a6d6f96Bob Wilson SDValue duplicateCmp(SDValue Cmp, SelectionDAG &DAG) const; 505218977b53eb215e5534db2f727d109ab18817cc1Evan Cheng 506218977b53eb215e5534db2f727d109ab18817cc1Evan Cheng SDValue OptimizeVFPBrcond(SDValue Op, SelectionDAG &DAG) const; 5075278eb802fae2ee1a7b2a428596bc364d8bcd9dbJim Grosbach 508e801dc4a7b89f68f40ff2753de988c482d4d117fJim Grosbach MachineBasicBlock *EmitAtomicCmpSwap(MachineInstr *MI, 509e801dc4a7b89f68f40ff2753de988c482d4d117fJim Grosbach MachineBasicBlock *BB, 510e801dc4a7b89f68f40ff2753de988c482d4d117fJim Grosbach unsigned Size) const; 511e801dc4a7b89f68f40ff2753de988c482d4d117fJim Grosbach MachineBasicBlock *EmitAtomicBinary(MachineInstr *MI, 512e801dc4a7b89f68f40ff2753de988c482d4d117fJim Grosbach MachineBasicBlock *BB, 513e801dc4a7b89f68f40ff2753de988c482d4d117fJim Grosbach unsigned Size, 514e801dc4a7b89f68f40ff2753de988c482d4d117fJim Grosbach unsigned BinOpcode) const; 5152bdffe488203a08a2ca98548a157e0eaf39d4b2dEli Friedman MachineBasicBlock *EmitAtomicBinary64(MachineInstr *MI, 5162bdffe488203a08a2ca98548a157e0eaf39d4b2dEli Friedman MachineBasicBlock *BB, 5172bdffe488203a08a2ca98548a157e0eaf39d4b2dEli Friedman unsigned Op1, 5182bdffe488203a08a2ca98548a157e0eaf39d4b2dEli Friedman unsigned Op2, 5194d3f3294535a3b622c715f2d9675d4f3e86c3378Eli Friedman bool NeedsCarry = false, 5204d3f3294535a3b622c715f2d9675d4f3e86c3378Eli Friedman bool IsCmpxchg = false) const; 521f7da8821b4c491b1c2ce7ac2374e46d8abdba518Jim Grosbach MachineBasicBlock * EmitAtomicBinaryMinMax(MachineInstr *MI, 522f7da8821b4c491b1c2ce7ac2374e46d8abdba518Jim Grosbach MachineBasicBlock *BB, 523f7da8821b4c491b1c2ce7ac2374e46d8abdba518Jim Grosbach unsigned Size, 524f7da8821b4c491b1c2ce7ac2374e46d8abdba518Jim Grosbach bool signExtend, 525f7da8821b4c491b1c2ce7ac2374e46d8abdba518Jim Grosbach ARMCC::CondCodes Cond) const; 5265278eb802fae2ee1a7b2a428596bc364d8bcd9dbJim Grosbach 527e29fa1df55584b6f07290a91e33bf742f1c549e4Bill Wendling void SetupEntryBlockForSjLj(MachineInstr *MI, 528e29fa1df55584b6f07290a91e33bf742f1c549e4Bill Wendling MachineBasicBlock *MBB, 529e29fa1df55584b6f07290a91e33bf742f1c549e4Bill Wendling MachineBasicBlock *DispatchBB, int FI) const; 530e29fa1df55584b6f07290a91e33bf742f1c549e4Bill Wendling 531f7e4aefd0f78441bef3b9eb683ecccbed9582b8aBill Wendling MachineBasicBlock *EmitSjLjDispatchBlock(MachineInstr *MI, 532f7e4aefd0f78441bef3b9eb683ecccbed9582b8aBill Wendling MachineBasicBlock *MBB) const; 533f7e4aefd0f78441bef3b9eb683ecccbed9582b8aBill Wendling 5341c3af779fc6b184204efd7e98dc16e475c251e7fAndrew Trick bool RemapAddSubWithFlags(MachineInstr *MI, MachineBasicBlock *BB) const; 535a8e2989ece6dc46df59b0768184028257f913843Evan Cheng }; 5365adfba283dc0795ba005545ce38fa5b0ada14511Andrew Trick 53736fa3ea566c66b42e4dd7b4394be2f1e071647b8Owen Anderson enum NEONModImmType { 53836fa3ea566c66b42e4dd7b4394be2f1e071647b8Owen Anderson VMOVModImm, 53936fa3ea566c66b42e4dd7b4394be2f1e071647b8Owen Anderson VMVNModImm, 54036fa3ea566c66b42e4dd7b4394be2f1e071647b8Owen Anderson OtherModImm 54136fa3ea566c66b42e4dd7b4394be2f1e071647b8Owen Anderson }; 5425adfba283dc0795ba005545ce38fa5b0ada14511Andrew Trick 5435adfba283dc0795ba005545ce38fa5b0ada14511Andrew Trick 544ab695889c67fb499bd902e8a969d0ff02ce66788Eric Christopher namespace ARM { 545ab695889c67fb499bd902e8a969d0ff02ce66788Eric Christopher FastISel *createFastISel(FunctionLoweringInfo &funcInfo); 546ab695889c67fb499bd902e8a969d0ff02ce66788Eric Christopher } 547a8e2989ece6dc46df59b0768184028257f913843Evan Cheng} 548a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 549a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#endif // ARMISELLOWERING_H 550