1894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman//===-- PPCISelLowering.h - PPC32 DAG Lowering Interface --------*- C++ -*-===// 2894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman// 3894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman// The LLVM Compiler Infrastructure 4894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman// 5894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman// This file is distributed under the University of Illinois Open Source 6894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman// License. See LICENSE.TXT for details. 7894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman// 8894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman//===----------------------------------------------------------------------===// 9894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman// 10894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman// This file defines the interfaces that PPC uses to lower LLVM code into a 11894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman// selection DAG. 12894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman// 13894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman//===----------------------------------------------------------------------===// 14894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 15894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#ifndef LLVM_TARGET_POWERPC_PPC32ISELLOWERING_H 16894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#define LLVM_TARGET_POWERPC_PPC32ISELLOWERING_H 17894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 18894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#include "llvm/Target/TargetLowering.h" 19894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#include "llvm/CodeGen/SelectionDAG.h" 20894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#include "PPC.h" 21894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#include "PPCSubtarget.h" 22894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 23894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Baumannamespace llvm { 24894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman namespace PPCISD { 25894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman enum NodeType { 26894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman // Start the numbering where the builtin ops and target ops leave off. 27894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman FIRST_NUMBER = ISD::BUILTIN_OP_END, 28894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 29894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// FSEL - Traditional three-operand fsel node. 30894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// 31894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman FSEL, 3219bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 33894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// FCFID - The FCFID instruction, taking an f64 operand and producing 34894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// and f64 value containing the FP representation of the integer that 35894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// was temporarily in the f64 operand. 36894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman FCFID, 3719bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 3819bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman /// FCTI[D,W]Z - The FCTIDZ and FCTIWZ instructions, taking an f32 or f64 39894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// operand, producing an f64 value containing the integer representation 40894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// of that FP value. 41894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman FCTIDZ, FCTIWZ, 4219bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 43894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// STFIWX - The STFIWX instruction. The first operand is an input token 44894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// chain, then an f64 value to store, then an address to store it to. 45894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman STFIWX, 4619bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 47894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman // VMADDFP, VNMSUBFP - The VMADDFP and VNMSUBFP instructions, taking 48894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman // three v4f32 operands and producing a v4f32 result. 49894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman VMADDFP, VNMSUBFP, 5019bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 51894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// VPERM - The PPC VPERM Instruction. 52894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// 53894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman VPERM, 5419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 55894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// Hi/Lo - These represent the high and low 16-bit parts of a global 56894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// address respectively. These nodes have two operands, the first of 57894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// which must be a TargetGlobalAddress, and the second of which must be a 58894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// Constant. Selected naively, these turn into 'lis G+C' and 'li G+C', 59894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// though these are usually folded into other nodes. 60894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman Hi, Lo, 6119bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 62894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman TOC_ENTRY, 63894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 64894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// The following three target-specific nodes are used for calls through 65894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// function pointers in the 64-bit SVR4 ABI. 66894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 67894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// Restore the TOC from the TOC save area of the current stack frame. 68894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// This is basically a hard coded load instruction which additionally 69894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// takes/produces a flag. 70894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman TOC_RESTORE, 71894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 72894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// Like a regular LOAD but additionally taking/producing a flag. 73894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman LOAD, 74894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 75894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// LOAD into r2 (also taking/producing a flag). Like TOC_RESTORE, this is 76894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// a hard coded load instruction. 77894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman LOAD_TOC, 78894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 79894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// OPRC, CHAIN = DYNALLOC(CHAIN, NEGSIZE, FRAME_INDEX) 80894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// This instruction is lowered in PPCRegisterInfo::eliminateFrameIndex to 81894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// compute an allocation on the stack. 82894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman DYNALLOC, 8319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 84894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// GlobalBaseReg - On Darwin, this node represents the result of the mflr 85894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// at function entry, used for PIC code. 86894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman GlobalBaseReg, 8719bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 88894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// These nodes represent the 32-bit PPC shifts that operate on 6-bit 89894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// shift amounts. These nodes are generated by the multi-precision shift 90894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// code. 91894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SRL, SRA, SHL, 9219bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 93894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// EXTSW_32 - This is the EXTSW instruction for use with "32-bit" 94894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// registers. 95894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman EXTSW_32, 96894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 97894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// CALL - A direct function call. 98894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman CALL_Darwin, CALL_SVR4, 9919bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 100894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// NOP - Special NOP which follows 64-bit SVR4 calls. 101894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman NOP, 102894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 103894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// CHAIN,FLAG = MTCTR(VAL, CHAIN[, INFLAG]) - Directly corresponds to a 104894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// MTCTR instruction. 105894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman MTCTR, 10619bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 107894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// CHAIN,FLAG = BCTRL(CHAIN, INFLAG) - Directly corresponds to a 108894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// BCTRL instruction. 109894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman BCTRL_Darwin, BCTRL_SVR4, 11019bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 111894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// Return with a flag operand, matched by 'blr' 112894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman RET_FLAG, 11319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 114894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// R32 = MFCR(CRREG, INFLAG) - Represents the MFCRpseud/MFOCRF 115894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// instructions. This copies the bits corresponding to the specified 116894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// CRREG into the resultant GPR. Bits corresponding to other CR regs 117894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// are undefined. 118894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman MFCR, 119894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 120894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// RESVEC = VCMP(LHS, RHS, OPC) - Represents one of the altivec VCMP* 121894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// instructions. For lack of better number, we use the opcode number 122894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// encoding for the OPC field to identify the compare. For example, 838 123894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// is VCMPGTSH. 124894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman VCMP, 12519bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 126894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// RESVEC, OUTFLAG = VCMPo(LHS, RHS, OPC) - Represents one of the 12719bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman /// altivec VCMP*o instructions. For lack of better number, we use the 128894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// opcode number encoding for the OPC field to identify the compare. For 129894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// example, 838 is VCMPGTSH. 130894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman VCMPo, 13119bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 132894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// CHAIN = COND_BRANCH CHAIN, CRRC, OPC, DESTBB [, INFLAG] - This 133894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// corresponds to the COND_BRANCH pseudo instruction. CRRC is the 134894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// condition register to branch on, OPC is the branch opcode to use (e.g. 135894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// PPC::BLE), DESTBB is the destination block to branch to, and INFLAG is 136894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// an optional input flag argument. 137894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman COND_BRANCH, 13819bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 139894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman // The following 5 instructions are used only as part of the 140894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman // long double-to-int conversion sequence. 141894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 142894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// OUTFLAG = MFFS F8RC - This moves the FPSCR (not modelled) into the 143894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// register. 144894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman MFFS, 145894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 146894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// OUTFLAG = MTFSB0 INFLAG - This clears a bit in the FPSCR. 147894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman MTFSB0, 148894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 149894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// OUTFLAG = MTFSB1 INFLAG - This sets a bit in the FPSCR. 150894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman MTFSB1, 151894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 152894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// F8RC, OUTFLAG = FADDRTZ F8RC, F8RC, INFLAG - This is an FADD done with 15319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman /// rounding towards zero. It has flags added so it won't move past the 154894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// FPSCR-setting instructions. 155894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman FADDRTZ, 156894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 157894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// MTFSF = F8RC, INFLAG - This moves the register into the FPSCR. 158894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman MTFSF, 159894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 160894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// LARX = This corresponds to PPC l{w|d}arx instrcution: load and 161894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// reserve indexed. This is used to implement atomic operations. 162894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman LARX, 163894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 164894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// STCX = This corresponds to PPC stcx. instrcution: store conditional 165894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// indexed. This is used to implement atomic operations. 166894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman STCX, 167894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 168894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// TC_RETURN - A tail call return. 169894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// operand #0 chain 170894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// operand #1 callee (register or absolute) 171894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// operand #2 stack adjustment 172894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// operand #3 optional in flag 173894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman TC_RETURN, 174894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 175894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// STD_32 - This is the STD instruction for use with "32-bit" registers. 176894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman STD_32 = ISD::FIRST_TARGET_MEMORY_OPCODE, 17719bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 17819bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman /// CHAIN = STBRX CHAIN, GPRC, Ptr, Type - This is a 179894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// byte-swapping store instruction. It byte-swaps the low "Type" bits of 180894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// the GPRC input, then stores it through Ptr. Type can be either i16 or 181894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// i32. 18219bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman STBRX, 18319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 18419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman /// GPRC, CHAIN = LBRX CHAIN, Ptr, Type - This is a 185894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// byte-swapping load instruction. It loads "Type" bits, byte swaps it, 186894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// then puts it in the bottom bits of the GPRC. TYPE can be either i16 187894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// or i32. 188894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman LBRX 189894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman }; 190894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman } 191894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 192894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// Define some predicates that are used for node matching. 193894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman namespace PPC { 194894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// isVPKUHUMShuffleMask - Return true if this is the shuffle mask for a 195894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// VPKUHUM instruction. 196894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool isVPKUHUMShuffleMask(ShuffleVectorSDNode *N, bool isUnary); 19719bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 198894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// isVPKUWUMShuffleMask - Return true if this is the shuffle mask for a 199894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// VPKUWUM instruction. 200894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool isVPKUWUMShuffleMask(ShuffleVectorSDNode *N, bool isUnary); 201894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 202894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// isVMRGLShuffleMask - Return true if this is a shuffle mask suitable for 203894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// a VRGL* instruction with the specified unit size (1,2 or 4 bytes). 204894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool isVMRGLShuffleMask(ShuffleVectorSDNode *N, unsigned UnitSize, 205894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool isUnary); 206894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 207894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// isVMRGHShuffleMask - Return true if this is a shuffle mask suitable for 208894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// a VRGH* instruction with the specified unit size (1,2 or 4 bytes). 209894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool isVMRGHShuffleMask(ShuffleVectorSDNode *N, unsigned UnitSize, 210894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool isUnary); 21119bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 212894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// isVSLDOIShuffleMask - If this is a vsldoi shuffle mask, return the shift 213894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// amount, otherwise return -1. 214894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman int isVSLDOIShuffleMask(SDNode *N, bool isUnary); 21519bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 216894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// isSplatShuffleMask - Return true if the specified VECTOR_SHUFFLE operand 217894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// specifies a splat of a single element that is suitable for input to 218894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// VSPLTB/VSPLTH/VSPLTW. 219894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool isSplatShuffleMask(ShuffleVectorSDNode *N, unsigned EltSize); 22019bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 221894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// isAllNegativeZeroVector - Returns true if all elements of build_vector 222894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// are -0.0. 223894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool isAllNegativeZeroVector(SDNode *N); 224894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 225894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// getVSPLTImmediate - Return the appropriate VSPLT* immediate to splat the 226894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// specified isSplatShuffleMask VECTOR_SHUFFLE mask. 227894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman unsigned getVSPLTImmediate(SDNode *N, unsigned EltSize); 22819bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 229894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// get_VSPLTI_elt - If this is a build_vector of constants which can be 230894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// formed by using a vspltis[bhw] instruction of the specified element 231894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// size, return the constant being splatted. The ByteSize field indicates 232894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// the number of bytes of each element [124] -> [bhw]. 233894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue get_VSPLTI_elt(SDNode *N, unsigned ByteSize, SelectionDAG &DAG); 234894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman } 23519bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 236894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman class PPCTargetLowering : public TargetLowering { 237894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const PPCSubtarget &PPCSubTarget; 238894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 239894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman public: 240894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman explicit PPCTargetLowering(PPCTargetMachine &TM); 24119bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 242894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// getTargetNodeName() - This method returns the name of a target specific 243894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// DAG node. 244894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman virtual const char *getTargetNodeName(unsigned Opcode) const; 245894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 24619bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman virtual MVT getShiftAmountTy(EVT LHSTy) const { return MVT::i32; } 24719bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 248894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// getSetCCResultType - Return the ISD::SETCC ValueType 24919bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman virtual EVT getSetCCResultType(EVT VT) const; 250894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 251894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// getPreIndexedAddressParts - returns true by value, base pointer and 252894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// offset pointer and addressing mode by reference if the node's address 253894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// can be legally represented as pre-indexed load / store address. 254894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman virtual bool getPreIndexedAddressParts(SDNode *N, SDValue &Base, 255894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue &Offset, 256894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ISD::MemIndexedMode &AM, 257894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SelectionDAG &DAG) const; 25819bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 259894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// SelectAddressRegReg - Given the specified addressed, check to see if it 260894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// can be represented as an indexed [r+r] operation. Returns false if it 261894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// can be more efficiently represented with [r+imm]. 262894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool SelectAddressRegReg(SDValue N, SDValue &Base, SDValue &Index, 263894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SelectionDAG &DAG) const; 26419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 265894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// SelectAddressRegImm - Returns true if the address N can be represented 266894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// by a base register plus a signed 16-bit displacement [r+imm], and if it 267894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// is not better represented as reg+reg. 268894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool SelectAddressRegImm(SDValue N, SDValue &Disp, SDValue &Base, 269894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SelectionDAG &DAG) const; 27019bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 271894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// SelectAddressRegRegOnly - Given the specified addressed, force it to be 272894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// represented as an indexed [r+r] operation. 273894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool SelectAddressRegRegOnly(SDValue N, SDValue &Base, SDValue &Index, 274894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SelectionDAG &DAG) const; 275894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 276894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// SelectAddressRegImmShift - Returns true if the address N can be 277894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// represented by a base register plus a signed 14-bit displacement 278894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// [r+imm*4]. Suitable for use by STD and friends. 279894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool SelectAddressRegImmShift(SDValue N, SDValue &Disp, SDValue &Base, 280894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SelectionDAG &DAG) const; 281894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 28219bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 283894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// LowerOperation - Provide custom lowering hooks for some operations. 284894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// 285894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const; 286894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 287894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// ReplaceNodeResults - Replace the results of node with an illegal result 288894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// type with new values built out of custom code. 289894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// 290894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman virtual void ReplaceNodeResults(SDNode *N, SmallVectorImpl<SDValue>&Results, 291894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SelectionDAG &DAG) const; 292894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 293894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman virtual SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const; 29419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 295894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman virtual void computeMaskedBitsForTargetNode(const SDValue Op, 296894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const APInt &Mask, 29719bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman APInt &KnownZero, 298894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman APInt &KnownOne, 299894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SelectionDAG &DAG, 300894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman unsigned Depth = 0) const; 301894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 302894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman virtual MachineBasicBlock * 303894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman EmitInstrWithCustomInserter(MachineInstr *MI, 304894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman MachineBasicBlock *MBB) const; 30519bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman MachineBasicBlock *EmitAtomicBinary(MachineInstr *MI, 306894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman MachineBasicBlock *MBB, bool is64Bit, 307894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman unsigned BinOpcode) const; 30819bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman MachineBasicBlock *EmitPartwordAtomicBinary(MachineInstr *MI, 30919bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman MachineBasicBlock *MBB, 310894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool is8bit, unsigned Opcode) const; 31119bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 312894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman ConstraintType getConstraintType(const std::string &Constraint) const; 31319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 31419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman /// Examine constraint string and operand type and determine a weight value. 31519bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman /// The operand object must already have been set up with the operand type. 31619bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman ConstraintWeight getSingleConstraintMatchWeight( 31719bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman AsmOperandInfo &info, const char *constraint) const; 31819bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 31919bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman std::pair<unsigned, const TargetRegisterClass*> 320894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman getRegForInlineAsmConstraint(const std::string &Constraint, 321894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman EVT VT) const; 322894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 323894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// getByValTypeAlignment - Return the desired alignment for ByVal aggregate 324894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// function arguments in the caller parameter area. This is the actual 325894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// alignment, not its logarithm. 32619bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman unsigned getByValTypeAlignment(Type *Ty) const; 327894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 328894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// LowerAsmOperandForConstraint - Lower the specified operand into the Ops 329894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// vector. If it is invalid, don't add anything to Ops. 330894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman virtual void LowerAsmOperandForConstraint(SDValue Op, 33119bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman std::string &Constraint, 332894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman std::vector<SDValue> &Ops, 333894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SelectionDAG &DAG) const; 33419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 335894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// isLegalAddressingMode - Return true if the addressing mode represented 336894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// by AM is legal for this target, for a load/store of the specified type. 33719bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman virtual bool isLegalAddressingMode(const AddrMode &AM, Type *Ty)const; 33819bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 339894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// isLegalAddressImmediate - Return true if the integer value can be used 340894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// as the offset of the target addressing mode for load / store of the 341894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// given type. 34219bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman virtual bool isLegalAddressImmediate(int64_t V, Type *Ty) const; 343894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 344894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// isLegalAddressImmediate - Return true if the GlobalValue can be used as 345894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// the offset of the target addressing mode. 346894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman virtual bool isLegalAddressImmediate(GlobalValue *GV) const; 347894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 348894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const; 34919bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 350894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// getOptimalMemOpType - Returns the target specific optimal type for load 351894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// and store operations as a result of memset, memcpy, and memmove 352894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// lowering. If DstAlign is zero that means it's safe to destination 353894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// alignment can satisfy any constraint. Similarly if SrcAlign is zero it 354894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// means there isn't a need to check it against alignment requirement, 355894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// probably because the source does not need to be loaded. If 356894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// 'NonScalarIntSafe' is true, that means it's safe to return a 357894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// non-scalar-integer type, e.g. empty string source, constant, or loaded 358894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// from memory. 'MemcpyStrSrc' indicates whether the memcpy source is 359894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// constant so it does not need to be loaded. 360894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// It returns EVT::Other if the type should be determined using generic 361894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman /// target-independent logic. 362894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman virtual EVT 363894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman getOptimalMemOpType(uint64_t Size, unsigned DstAlign, unsigned SrcAlign, 364894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool NonScalarIntSafe, bool MemcpyStrSrc, 365894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman MachineFunction &MF) const; 366894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 367894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman private: 368894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue getFramePointerFrameIndex(SelectionDAG & DAG) const; 369894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue getReturnAddrFrameIndex(SelectionDAG & DAG) const; 370894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 371894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool 372894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman IsEligibleForTailCallOptimization(SDValue Callee, 373894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman CallingConv::ID CalleeCC, 374894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool isVarArg, 375894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SmallVectorImpl<ISD::InputArg> &Ins, 376894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SelectionDAG& DAG) const; 377894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 378894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue EmitTailCallLoadFPAndRetAddr(SelectionDAG & DAG, 379894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman int SPDiff, 380894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue Chain, 381894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue &LROpOut, 382894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue &FPOpOut, 383894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool isDarwinABI, 384894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman DebugLoc dl) const; 385894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 386894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerRETURNADDR(SDValue Op, SelectionDAG &DAG) const; 387894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) const; 388894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG) const; 389894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerBlockAddress(SDValue Op, SelectionDAG &DAG) const; 390894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const; 391894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG) const; 392894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG) const; 39319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman SDValue LowerINIT_TRAMPOLINE(SDValue Op, SelectionDAG &DAG) const; 39419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman SDValue LowerADJUST_TRAMPOLINE(SDValue Op, SelectionDAG &DAG) const; 395894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG, 396894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const PPCSubtarget &Subtarget) const; 397894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerVAARG(SDValue Op, SelectionDAG &DAG, 398894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const PPCSubtarget &Subtarget) const; 399894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerSTACKRESTORE(SDValue Op, SelectionDAG &DAG, 400894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const PPCSubtarget &Subtarget) const; 401894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG, 402894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const PPCSubtarget &Subtarget) const; 403894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const; 404894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerFP_TO_INT(SDValue Op, SelectionDAG &DAG, DebugLoc dl) const; 405894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerSINT_TO_FP(SDValue Op, SelectionDAG &DAG) const; 406894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerFLT_ROUNDS_(SDValue Op, SelectionDAG &DAG) const; 407894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerSHL_PARTS(SDValue Op, SelectionDAG &DAG) const; 408894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerSRL_PARTS(SDValue Op, SelectionDAG &DAG) const; 409894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerSRA_PARTS(SDValue Op, SelectionDAG &DAG) const; 410894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const; 411894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const; 412894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG) const; 413894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerSCALAR_TO_VECTOR(SDValue Op, SelectionDAG &DAG) const; 414894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerMUL(SDValue Op, SelectionDAG &DAG) const; 415894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 416894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue LowerCallResult(SDValue Chain, SDValue InFlag, 417894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman CallingConv::ID CallConv, bool isVarArg, 418894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SmallVectorImpl<ISD::InputArg> &Ins, 419894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman DebugLoc dl, SelectionDAG &DAG, 420894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SmallVectorImpl<SDValue> &InVals) const; 421894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue FinishCall(CallingConv::ID CallConv, DebugLoc dl, bool isTailCall, 422894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman bool isVarArg, 423894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SelectionDAG &DAG, 424894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SmallVector<std::pair<unsigned, SDValue>, 8> 425894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman &RegsToPass, 426894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue InFlag, SDValue Chain, 427894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue &Callee, 428894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman int SPDiff, unsigned NumBytes, 429894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SmallVectorImpl<ISD::InputArg> &Ins, 430894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SmallVectorImpl<SDValue> &InVals) const; 431894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 432894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman virtual SDValue 433894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman LowerFormalArguments(SDValue Chain, 434894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman CallingConv::ID CallConv, bool isVarArg, 435894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SmallVectorImpl<ISD::InputArg> &Ins, 436894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman DebugLoc dl, SelectionDAG &DAG, 437894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SmallVectorImpl<SDValue> &InVals) const; 438894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 439894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman virtual SDValue 440894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman LowerCall(SDValue Chain, SDValue Callee, 441894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman CallingConv::ID CallConv, bool isVarArg, bool &isTailCall, 442894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SmallVectorImpl<ISD::OutputArg> &Outs, 443894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SmallVectorImpl<SDValue> &OutVals, 444894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SmallVectorImpl<ISD::InputArg> &Ins, 445894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman DebugLoc dl, SelectionDAG &DAG, 446894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SmallVectorImpl<SDValue> &InVals) const; 447894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 44819bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman virtual bool 44919bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman CanLowerReturn(CallingConv::ID CallConv, MachineFunction &MF, 45019bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman bool isVarArg, 45119bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman const SmallVectorImpl<ISD::OutputArg> &Outs, 45219bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman LLVMContext &Context) const; 45319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 454894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman virtual SDValue 455894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman LowerReturn(SDValue Chain, 456894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman CallingConv::ID CallConv, bool isVarArg, 457894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SmallVectorImpl<ISD::OutputArg> &Outs, 458894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SmallVectorImpl<SDValue> &OutVals, 459894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman DebugLoc dl, SelectionDAG &DAG) const; 460894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 461894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue 462894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman LowerFormalArguments_Darwin(SDValue Chain, 463894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman CallingConv::ID CallConv, bool isVarArg, 464894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SmallVectorImpl<ISD::InputArg> &Ins, 465894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman DebugLoc dl, SelectionDAG &DAG, 466894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SmallVectorImpl<SDValue> &InVals) const; 467894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue 468894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman LowerFormalArguments_SVR4(SDValue Chain, 469894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman CallingConv::ID CallConv, bool isVarArg, 470894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SmallVectorImpl<ISD::InputArg> &Ins, 471894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman DebugLoc dl, SelectionDAG &DAG, 472894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SmallVectorImpl<SDValue> &InVals) const; 473894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 474894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue 475894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman LowerCall_Darwin(SDValue Chain, SDValue Callee, 476894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman CallingConv::ID CallConv, bool isVarArg, bool isTailCall, 477894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SmallVectorImpl<ISD::OutputArg> &Outs, 478894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SmallVectorImpl<SDValue> &OutVals, 479894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SmallVectorImpl<ISD::InputArg> &Ins, 480894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman DebugLoc dl, SelectionDAG &DAG, 481894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SmallVectorImpl<SDValue> &InVals) const; 482894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SDValue 483894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman LowerCall_SVR4(SDValue Chain, SDValue Callee, 484894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman CallingConv::ID CallConv, bool isVarArg, bool isTailCall, 485894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SmallVectorImpl<ISD::OutputArg> &Outs, 486894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SmallVectorImpl<SDValue> &OutVals, 487894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman const SmallVectorImpl<ISD::InputArg> &Ins, 488894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman DebugLoc dl, SelectionDAG &DAG, 489894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman SmallVectorImpl<SDValue> &InVals) const; 490894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman }; 491894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman} 492894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman 493894018228b0e0bdbd7aa7e8f47d4a9458789ca82John Bauman#endif // LLVM_TARGET_POWERPC_PPC32ISELLOWERING_H 494