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author | jamborm <jamborm@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-09-08 13:09:38 +0000 |
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committer | jamborm <jamborm@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-09-08 13:09:38 +0000 |
commit | 17c5f86d1d497cdd6031b7590fe1626e31c0ecdb (patch) | |
tree | f04b056a88255c575796a452750ba92f920e65c7 /gcc/ipa-split.c | |
parent | cac1a11f3af3d104e1fe66763c9beda850a57b0e (diff) | |
download | gcc-17c5f86d1d497cdd6031b7590fe1626e31c0ecdb.tar.gz |
2011-09-08 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/50287
* ipa-split.c (split_function): Do not create SSA names for
non-gimple-registers.
* testsuite/gcc.dg/torture/pr50287.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178688 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ipa-split.c')
-rw-r--r-- | gcc/ipa-split.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/gcc/ipa-split.c b/gcc/ipa-split.c index d5e5c69b5d8..b16cfb34a97 100644 --- a/gcc/ipa-split.c +++ b/gcc/ipa-split.c @@ -985,15 +985,20 @@ split_function (struct split_point *split_point) bitmap_set_bit (args_to_skip, num); else { - arg = gimple_default_def (cfun, parm); - if (!arg) + /* This parm might not have been used up to now, but is going to be + used, hence register it. */ + add_referenced_var (parm); + if (is_gimple_reg (parm)) { - /* This parm wasn't used up to now, but is going to be used, - hence register it. */ - add_referenced_var (parm); - arg = make_ssa_name (parm, gimple_build_nop ()); - set_default_def (parm, arg); + arg = gimple_default_def (cfun, parm); + if (!arg) + { + arg = make_ssa_name (parm, gimple_build_nop ()); + set_default_def (parm, arg); + } } + else + arg = parm; if (TYPE_MAIN_VARIANT (DECL_ARG_TYPE (parm)) != TYPE_MAIN_VARIANT (TREE_TYPE (arg))) |