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ab581c5c30
Uses the freeze instruction available in LLVM 10.0+. If we don't freeze undef/ poison values before using them in a calculation (even if that calculation is something like "and 0", which masks the result completely), the result will still be undef/poison and will keep propagating.
96 lines
2.7 KiB
ObjectPascal
96 lines
2.7 KiB
ObjectPascal
{
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Copyright (c) 2013 by Jonas Maebe
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This unit contains the LLVM instruction tables
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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unit itllvm;
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{$i fpcdefs.inc}
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interface
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uses
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llvmbase, cgbase;
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const
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llvm_op2str : llvmop2strtable = ('',
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{ terminator instructions }
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'ret', 'br', 'switch', 'indirectbr',
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'invoke', 'resume',
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'unreachable',
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{ binary operations }
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'add', 'fadd', 'sub', 'fsub', 'mul', 'fmul',
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'udiv','sdiv', 'fdiv', 'urem', 'srem', 'frem',
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{ bitwise binary operations }
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'shl', 'lshr', 'ashr', 'and', 'or', 'xor',
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{ vector operations }
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'extractelement', 'insertelement', 'shufflevector',
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{ aggregate operations }
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'extractvalue', 'insertvalue',
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{ memory access and memory addressing operations }
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'alloca',
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'load', 'store',
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'fence', 'cmpxchg', 'atomicrmw',
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'getelementptr',
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{ conversion operations }
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'trunc', 'zext', 'sext', 'fptrunc', 'fpext',
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'fptoui', 'fptosi', 'uitofp', 'sitofp',
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'ptrtoint', 'inttoptr',
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'bitcast',
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{ other operations }
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'icmp', 'fcmp',
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'phi', 'select', 'call',
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'va_arg', 'landingpad',
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'blockaddress',
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'freeze',
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{ fpc pseudo opcodes }
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'type', { type definition }
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'catch', { catch exception }
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'filter', { exception filter }
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'cleanup', { exception cleanup/finally }
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'invalid1', { la_x_to_inttoptr }
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'invalid2', { la_ptrtoint_to_x }
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'asm' { la_asmblock }
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);
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llvm_cond2str : array[topcmp] of ansistring = ('',
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'eq',
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'sgt',
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'slt',
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'sge',
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'sle',
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'ne',
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'ule',
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'ult',
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'uge',
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'ugt'
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);
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llvm_fpcond2str: array[tllvmfpcmp] of ansistring = (
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'invalid',
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'false',
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'oeq', 'ogt', 'oge', 'olt', 'ole', 'one', 'ord',
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'ueq', 'ugt', 'uge', 'ult', 'ule', 'une', 'uno',
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'true');
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implementation
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end.
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