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re PR tree-optimization/26667 (Inlining always_inline functions causes further inlining that reduces function size to fail)

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2006-03-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/26667
	* ipa-inline.c (cgraph_check_inline_limits): Walk the correct
	node for the callees.  Always allow inlining if it will shrink
	the function size.

From-SVN: r112049
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Richard Guenther 2006-03-14 09:57:43 +00:00 • committed by Richard Biener
parent 7de805590a
commit 6971d714fe
2 changed files with 14 additions and 4 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2006-03-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/26667
* ipa-inline.c (cgraph_check_inline_limits): Walk the correct
node for the callees. Always allow inlining if it will shrink
the function size.
2006-03-14 Richard Guenther <rguenther@suse.de>
PR middle-end/26659

11
gcc/ipa-inline.c
View file

@ -254,13 +254,13 @@ cgraph_check_inline_limits (struct cgraph_node *to, struct cgraph_node *what,
int newsize;
int limit;
if (to->global.inlined_to)
to = to->global.inlined_to;
for (e = to->callees; e; e = e->next_callee)
if (e->callee == what)
times++;
if (to->global.inlined_to)
to = to->global.inlined_to;
/* When inlining large function body called once into small function,
take the inlined function as base for limiting the growth. */
if (to->local.self_insns > what->local.self_insns)
@ -270,8 +270,11 @@ cgraph_check_inline_limits (struct cgraph_node *to, struct cgraph_node *what,
limit += limit * PARAM_VALUE (PARAM_LARGE_FUNCTION_GROWTH) / 100;
/* Check the size after inlining against the function limits. But allow
the function to shrink if it went over the limits by forced inlining. */
newsize = cgraph_estimate_size_after_inlining (times, to, what);
if (newsize > PARAM_VALUE (PARAM_LARGE_FUNCTION_INSNS)
if (newsize >= to->global.insns
&& newsize > PARAM_VALUE (PARAM_LARGE_FUNCTION_INSNS)
&& newsize > limit)
{
if (reason)