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authorhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2004-09-15 14:15:36 +0000
committerhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2004-09-15 14:15:36 +0000
commit2d1c59766105d5d61f9ec9f79bb87ec1d65e974e (patch)
tree9c8803068628a83f91ddacdcb2905f0a538b5feb /gcc/tree-tailcall.c
parent3a2cd2a505c77e9ddb8d2e2c729fea7b8a087f31 (diff)
downloadppe42-gcc-2d1c59766105d5d61f9ec9f79bb87ec1d65e974e.tar.gz
ppe42-gcc-2d1c59766105d5d61f9ec9f79bb87ec1d65e974e.zip
* tree-ssa.c (verify_flow_sensitive_alias_info): Do not walk dead nodes.
* tree-tailcall.c (eliminate_tail_call): Release SSA name. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87554 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-tailcall.c')
-rw-r--r--gcc/tree-tailcall.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/tree-tailcall.c b/gcc/tree-tailcall.c
index cfe9dfaacc1..e1c1f672ac6 100644
--- a/gcc/tree-tailcall.c
+++ b/gcc/tree-tailcall.c
@@ -686,12 +686,14 @@ eliminate_tail_call (struct tailcall *t)
bsi_next (&bsi);
while (!bsi_end_p (bsi))
{
+ tree t = bsi_stmt (bsi);
/* Do not remove the return statement, so that redirect_edge_and_branch
sees how the block ends. */
- if (TREE_CODE (bsi_stmt (bsi)) == RETURN_EXPR)
+ if (TREE_CODE (t) == RETURN_EXPR)
break;
bsi_remove (&bsi);
+ release_defs (t);
}
/* Replace the call by a jump to the start of function. */
@@ -775,6 +777,7 @@ eliminate_tail_call (struct tailcall *t)
}
bsi_remove (&t->call_bsi);
+ release_defs (call);
}
/* Optimizes the tailcall described by T. If OPT_TAILCALLS is true, also
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