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author | bernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-04-22 10:42:21 +0000 |
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committer | bernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-04-22 10:42:21 +0000 |
commit | f1565c91fb52479b661892f111a74d830df15233 (patch) | |
tree | 9189a0396519f211744af9abcdd1e55ace0a2d12 /gcc/tree-ssa-pre.c | |
parent | 60cc67651dd7b14ff931b856fe791193168844e0 (diff) | |
download | gcc-f1565c91fb52479b661892f111a74d830df15233.tar.gz |
* ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
df_simulate_find_noclobber_defs as appropriate. Keep track of an
extra set merge_set_noclobber, and use it to relax the final test
slightly.
* df.h (df_simulate_find_noclobber_defs): Declare.
* df-problems.c (df_simulate_find_defs): Don't ignore partial or
conditional defs.
(df_simulate_find_noclobber_defs): New function.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158639 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-pre.c')
0 files changed, 0 insertions, 0 deletions