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opt: Don't emit inline functions from dead code 

Inside dead code don't regard inline functions as being
referenced.
master
Michael Matz 2016-09-26 22:31:19 +02:00
parent ce55d03eef
commit ad8e14b740
2 changed files with 9 additions and 1 deletions
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2
tccgen.c
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@ -4594,7 +4594,7 @@ ST_FUNC void unary(void)
effect to generate code for it at the end of the
compilation unit. Inline function as always
generated in the text section. */
if (!s->c)
if (!s->c && !nocode_wanted)
put_extern_sym(s, text_section, 0, 0);
r = VT_SYM | VT_CONST;
} else {

8
tests/tcctest.c
View File

@ -1170,6 +1170,11 @@ void bool_test()
extern int undefined_function(void);
extern int defined_function(void);
static inline void refer_to_undefined(void)
{
undefined_function();
}
void optimize_out(void)
{
int i = 0 ? undefined_function() : defined_function();
@ -1264,6 +1269,9 @@ void optimize_out(void)
else
undefined_function();
if (defined_function() && 0)
refer_to_undefined();
if (1)
return;
printf ("oor:%d\n", undefined_function());