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{
Copyright (c) 2010, 2013, 2015 by Jonas Maebe
Basic Processor information for LLVM
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
****************************************************************************
}
{$i fpcdefs.inc}
Unit llvminfo;
Interface
uses
globtype;
Type
{ possible supported processors for this target }
tllvmversion =
(llvmver_invalid,
llvmver_3_3,
llvmver_3_4,
llvmver_3_5,
{ Xcode versions use snapshots of LLVM and don't correspond to released
versions of llvm (they don't ship with the llvm utilities either, but
they do come with Clang, which can be used instead of opt/llc) }
llvmver_xc_6_4,
llvmver_3_6,
llvmver_3_7,
llvmver_xc_7_0,
llvmver_xc_7_1,
llvmver_xc_7_2,
llvmver_3_8,
llvmver_xc_7_3,
llvmver_3_9,
llvmver_xc_8_0,
llvmver_xc_8_1,
llvmver_xc_8_2,
llvmver_4_0,
llvmver_xc_9_0,
llvmver_5_0,
llvmver_xc_9_1,
llvmver_xc_9_2,
llvmver_xc_9_3,
llvmver_6_0,
llvmver_xc_10_0,
llvmver_xc_10_1,
llvmver_7_0,
llvmver_7_1,
llvmver_8_0
);
type
tllvmversionflag = (
llvmflag_metadata_keyword, { use "metadata" keyword (others leave it away, except when metadata is an argument to call instructions) }
llvmflag_linker_private, { have linker_private linkage type (later versions use global in combination with hidden visibility) }
llvmflag_load_getelptr_type, { the return type of loads and the base type of getelementptr must be specified }
llvmflag_call_no_ptr, { with direct calls, the function type is not a function pointer }
llvmflag_alias_double_type, { with "alias" declarations, have to print both aliasee and aliasee* types }
llvmflag_fembed_bitcode, { support embedding bitcode in object files }
llvmflag_memcpy_indiv_align, { memcpy intrinsic supports separate alignment for source and dest }
llvmflag_null_pointer_valid { supports "llvmflag_null_pointer_valid" attribute, which indicates access to nil should not be optimized as undefined behaviour }
);
tllvmversionflags = set of tllvmversionflag;
Const
llvmversionstr : array[tllvmversion] of string[14] = (
'',
'3.3',
'3.4',
'3.5',
'Xcode-6.4',
'3.6',
'3.7',
'Xcode-7.0',
'Xcode-7.1',
'Xcode-7.2',
'3.8',
'Xcode-7.3',
'3.9',
'Xcode-8.0',
'Xcode-8.1',
'Xcode-8.2',
'4.0',
'Xcode-9.0',
'5.0',
'Xcode-9.1',
'Xcode-9.2',
'Xcode-9.3',
'6.0',
'Xcode-10.0',
'Xcode-10.1',
'7.0',
'7.1',
'8.0'
);
llvmversion_properties: array[tllvmversion] of tllvmversionflags =
(
{ invalid } [],
{ llvmver_3_3 } [llvmflag_metadata_keyword,llvmflag_linker_private],
{ llvmver_3_4 } [llvmflag_metadata_keyword,llvmflag_linker_private],
{ llvmver_3_5 } [llvmflag_metadata_keyword],
{ llvmver_xc_6_4 } [llvmflag_metadata_keyword],
{ llvmver_3_6 } [],
{ llvmver_3_7 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr],
{ llvmver_xc_7_0 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr],
{ llvmver_xc_7_1 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr],
{ llvmver_xc_7_2 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr],
{ llvmver_3_8 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type],
{ llvmver_xc_7_3 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type],
{ llvmver_3_9 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type,llvmflag_fembed_bitcode],
{ llvmver_xc_8_0 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type,llvmflag_fembed_bitcode],
{ llvmver_xc_8_1 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type,llvmflag_fembed_bitcode],
{ llvmver_xc_8_2 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type,llvmflag_fembed_bitcode],
{ llvmver_4_0 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type,llvmflag_fembed_bitcode],
{ llvmver_xc_9_0 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type,llvmflag_fembed_bitcode],
{ llvmver_5_0 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type,llvmflag_fembed_bitcode],
{ llvmver_xc_9_0 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type,llvmflag_fembed_bitcode],
{ llvmver_xc_9_1 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type,llvmflag_fembed_bitcode],
{ llvmver_xc_9_2 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type,llvmflag_fembed_bitcode],
{ llvmver_6_0 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type,llvmflag_fembed_bitcode],
{ llvmver_xc_10_0 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type,llvmflag_fembed_bitcode],
{ llvmver_xc_10_1 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type,llvmflag_fembed_bitcode],
{ llvmver_7_0 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type,llvmflag_fembed_bitcode,llvmflag_memcpy_indiv_align,llvmflag_null_pointer_valid],
{ llvmver_7_1 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type,llvmflag_fembed_bitcode,llvmflag_memcpy_indiv_align,llvmflag_null_pointer_valid],
{ llvmver_8_0 } [llvmflag_load_getelptr_type,llvmflag_call_no_ptr,llvmflag_alias_double_type,llvmflag_fembed_bitcode,llvmflag_memcpy_indiv_align,llvmflag_null_pointer_valid]
);
{ Supported optimizations, only used for information }
supported_optimizerswitches = genericlevel1optimizerswitches+
genericlevel2optimizerswitches+
genericlevel3optimizerswitches-
{ no need to write info about those }
[cs_opt_level1,cs_opt_level2,cs_opt_level3]+
[cs_opt_loopunroll,cs_opt_stackframe,
cs_opt_nodecse,cs_opt_reorder_fields,cs_opt_fastmath];
level1optimizerswitches = genericlevel1optimizerswitches;
level2optimizerswitches = genericlevel2optimizerswitches + level1optimizerswitches + [cs_opt_nodecse,cs_opt_stackframe];
level3optimizerswitches = genericlevel3optimizerswitches + level2optimizerswitches + [];
level4optimizerswitches = genericlevel4optimizerswitches + level3optimizerswitches + [];
function llvmversion2enum(const s: string): tllvmversion;
Implementation
function llvmversion2enum(const s: string): tllvmversion;
begin
for result:=succ(low(llvmversionstr)) to high(llvmversionstr) do
begin
if s=llvmversionstr[result] then
exit;
end;
result:=llvmver_invalid;
end;
end.
|
