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| author | Jan Hubicka <jh@suse.cz> | 2020-09-22 22:36:01 +0200 |
|---|---|---|
| committer | Jan Hubicka <jh@suse.cz> | 2020-09-22 22:36:01 +0200 |
| commit | 5cfb06b61bc559d94f57914826bac2f34abbd357 (patch) | |
| tree | a5a60604916955d6b379b1112c679766221c973a /gcc | |
| parent | d6587211c02c4e2566c4e545c09757f3fbb7adab (diff) | |
| download | gcc-5cfb06b61bc559d94f57914826bac2f34abbd357.zip gcc-5cfb06b61bc559d94f57914826bac2f34abbd357.tar.gz gcc-5cfb06b61bc559d94f57914826bac2f34abbd357.tar.bz2 | |
Ignore clobbers in modref
* ipa-modref.c (analyze_stmt): Ignore gimple clobber.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ipa-modref.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/ipa-modref.c b/gcc/ipa-modref.c index d195354..fe277d8 100644 --- a/gcc/ipa-modref.c +++ b/gcc/ipa-modref.c @@ -552,6 +552,9 @@ analyze_store (gimple *, tree, tree op, void *data) static bool analyze_stmt (modref_summary *summary, gimple *stmt, bool ipa) { + /* There is no need to record clobbers. */ + if (gimple_clobber_p (stmt)) + return false; /* Analyze all loads and stores in STMT. */ walk_stmt_load_store_ops (stmt, summary, analyze_load, analyze_store); |