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authorhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2014-02-20 06:40:07 +0000
committerhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2014-02-20 06:40:07 +0000
commitb8731470a7fc9476a730e4ac9a536a6853306074 (patch)
treeaa5cb062d365b7b66d1c27c29cac928aaa4f40a4 /gcc/ipa-inline-transform.c
parentfa52849f2c49ee0ec5ad44f2b5bc66055c02d216 (diff)
downloadgcc-b8731470a7fc9476a730e4ac9a536a6853306074.tar.gz
PR ipa/58555
* ipa-inline-transform.c (clone_inlined_nodes): Add freq_scale parameter specifying the scaling. (inline_call): Update. (want_inline_recursively): Guard division by zero. (recursive_inlining): Update. * ipa-inline.h (clone_inlined_nodes): Update. * testsuite/g++.dg/torture/pr58555.C: New testcase. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@207934 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ipa-inline-transform.c')
-rw-r--r--gcc/ipa-inline-transform.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/gcc/ipa-inline-transform.c b/gcc/ipa-inline-transform.c
index a24f68db38e..b2e0285462c 100644
--- a/gcc/ipa-inline-transform.c
+++ b/gcc/ipa-inline-transform.c
@@ -127,11 +127,15 @@ can_remove_node_now_p (struct cgraph_node *node, struct cgraph_edge *e)
the edge and redirect it to the new clone.
DUPLICATE is used for bookkeeping on whether we are actually creating new
clones or re-using node originally representing out-of-line function call.
- */
+ By default the offline copy is removed, when it appears dead after inlining.
+ UPDATE_ORIGINAL prevents this transformation.
+ If OVERALL_SIZE is non-NULL, the size is updated to reflect the
+ transformation.
+ FREQ_SCALE specify the scaling of frequencies of call sites. */
void
clone_inlined_nodes (struct cgraph_edge *e, bool duplicate,
- bool update_original, int *overall_size)
+ bool update_original, int *overall_size, int freq_scale)
{
struct cgraph_node *inlining_into;
struct cgraph_edge *next;
@@ -175,8 +179,11 @@ clone_inlined_nodes (struct cgraph_edge *e, bool duplicate,
else
{
struct cgraph_node *n;
+
+ if (freq_scale == -1)
+ freq_scale = e->frequency;
n = cgraph_clone_node (e->callee, e->callee->decl,
- e->count, e->frequency, update_original,
+ e->count, freq_scale, update_original,
vNULL, true, inlining_into);
cgraph_redirect_edge_callee (e, n);
}
@@ -191,7 +198,7 @@ clone_inlined_nodes (struct cgraph_edge *e, bool duplicate,
{
next = e->next_callee;
if (!e->inline_failed)
- clone_inlined_nodes (e, duplicate, update_original, overall_size);
+ clone_inlined_nodes (e, duplicate, update_original, overall_size, freq_scale);
if (e->speculative && !speculation_useful_p (e, true))
{
cgraph_resolve_speculation (e, NULL);
@@ -260,7 +267,7 @@ inline_call (struct cgraph_edge *e, bool update_original,
}
}
- clone_inlined_nodes (e, true, update_original, overall_size);
+ clone_inlined_nodes (e, true, update_original, overall_size, e->frequency);
gcc_assert (curr->callee->global.inlined_to == to);