1 2 /*---------------------------------------------------------------*/ 3 /*--- begin ir_opt.h ---*/ 4 /*---------------------------------------------------------------*/ 5 6 /* 7 This file is part of Valgrind, a dynamic binary instrumentation 8 framework. 9 10 Copyright (C) 2004-2012 OpenWorks LLP 11 info (at) open-works.net 12 13 This program is free software; you can redistribute it and/or 14 modify it under the terms of the GNU General Public License as 15 published by the Free Software Foundation; either version 2 of the 16 License, or (at your option) any later version. 17 18 This program is distributed in the hope that it will be useful, but 19 WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 21 General Public License for more details. 22 23 You should have received a copy of the GNU General Public License 24 along with this program; if not, write to the Free Software 25 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 26 02110-1301, USA. 27 28 The GNU General Public License is contained in the file COPYING. 29 30 Neither the names of the U.S. Department of Energy nor the 31 University of California nor the names of its contributors may be 32 used to endorse or promote products derived from this software 33 without prior written permission. 34 */ 35 36 #ifndef __VEX_IR_OPT_H 37 #define __VEX_IR_OPT_H 38 39 #include "libvex_basictypes.h" 40 #include "libvex_ir.h" 41 #include "libvex.h" 42 43 /* Top level optimiser entry point. Returns a new BB. Operates 44 under the control of the global "vex_control" struct. */ 45 extern 46 IRSB* do_iropt_BB( 47 IRSB* bb, 48 IRExpr* (*specHelper) (HChar*, IRExpr**, IRStmt**, Int), 49 Bool (*preciseMemExnsFn)(Int,Int), 50 Addr64 guest_addr, 51 VexArch guest_arch 52 ); 53 54 /* Do a constant folding/propagation pass. */ 55 extern 56 IRSB* cprop_BB ( IRSB* ); 57 58 /* Do a dead-code removal pass. bb is destructively modified. */ 59 extern 60 void do_deadcode_BB ( IRSB* bb ); 61 62 /* The tree-builder. Make (approximately) maximal safe trees. bb is 63 destructively modified. Returns (unrelatedly, but useful later on) 64 the guest address of the highest addressed byte from any insn in 65 this block, or Addr64_MAX if unknown (can that ever happen?) */ 66 extern 67 Addr64 ado_treebuild_BB ( IRSB* bb ); 68 69 #endif /* ndef __VEX_IR_OPT_H */ 70 71 /*---------------------------------------------------------------*/ 72 /*--- end ir_opt.h ---*/ 73 /*---------------------------------------------------------------*/ 74
