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* handle tc_equal typeconversions from conststring to a stringdef in

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simplify, so that shortstring -> shortstring constant string conversions
    are simplified for LLVM too (it leaves regular tc_equal type conversions
    because often the type is still somewhat different), which is required
    for the code in tasmlisttypedconstbuilder.tc_emit_stringdef() (it
    assumes the result of inserting a type conversion is again a
    stringconstant if it can be handled at compile time)

git-svn-id: trunk@32907 -
This commit is contained in:
Jonas Maebe 2016-01-10 14:01:58 +00:00
parent 0350369c6a
commit bbe8e346e0
1 changed files with 10 additions and 7 deletions
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17
compiler/ncnv.pas
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@ -2654,14 +2654,17 @@ implementation
remove the typeconv node }
case left.nodetype of
stringconstn :
if (convtype=tc_string_2_string) and
(resultdef.typ=stringdef) and
(
((not is_widechararray(left.resultdef) and
not is_wide_or_unicode_string(left.resultdef)) or
(tstringdef(resultdef).stringtype in [st_widestring,st_unicodestring,st_ansistring])
if (resultdef.typ=stringdef) and
((convtype=tc_equal) or
((convtype=tc_string_2_string) and
(
((not is_widechararray(left.resultdef) and
not is_wide_or_unicode_string(left.resultdef)) or
(tstringdef(resultdef).stringtype in [st_widestring,st_unicodestring,st_ansistring])
)
)
)
) then
) then
begin
{ output string consts in local ansistring encoding }
if is_ansistring(resultdef) and ((tstringdef(resultdef).encoding=0)or(tstringdef(resultdef).encoding=globals.CP_NONE)) then