diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2019-08-30 13:14:59 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2019-08-30 13:14:59 +0000 |
| commit | e9a8690f8982d60409ba1640550716d59e4ce580 (patch) | |
| tree | a5665bc27a6662d2ebdfbaca059733632306fc9a | |
| parent | 4755474658a2ef85124f289654242d7e8724e2c0 (diff) | |
2019-08-30 Richard Biener <rguenther@suse.de>
Backport from mainline
2019-04-29 Richard Biener <rguenther@suse.de>
PR tree-optimization/90278
* tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
EH on comparison simplification.
* gcc.dg/torture/pr90278.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-9-branch@275167 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr90278.c | 13 | ||||
| -rw-r--r-- | gcc/tree-ssa-forwprop.c | 2 |
4 files changed, 32 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bc879f2fd88..dd5713eebdc 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2019-08-30 Richard Biener <rguenther@suse.de> + + Backport from mainline + 2019-04-29 Richard Biener <rguenther@suse.de> + + PR tree-optimization/90278 + * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean + EH on comparison simplification. + 2019-08-29 Richard Biener <rguenther@suse.de> PR tree-optimization/91568 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 71dba94deba..613feeb7ba2 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,11 @@ +2019-08-30 Richard Biener <rguenther@suse.de> + + Backport from mainline + 2019-04-29 Richard Biener <rguenther@suse.de> + + PR tree-optimization/90278 + * gcc.dg/torture/pr90278.c: New testcase. + 2019-08-29 Richard Biener <rguenther@suse.de> PR tree-optimization/91568 diff --git a/gcc/testsuite/gcc.dg/torture/pr90278.c b/gcc/testsuite/gcc.dg/torture/pr90278.c new file mode 100644 index 00000000000..617246a6d4c --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr90278.c @@ -0,0 +1,13 @@ +/* { dg-do compile } */ +/* { dg-additional-options "-fexceptions -fnon-call-exceptions" } */ + +double +hc (void) +{ + double dp = 0.0; + double ek[1]; + + ek[0] = 1.0 / dp < 0.0; + + return ek[0]; +} diff --git a/gcc/tree-ssa-forwprop.c b/gcc/tree-ssa-forwprop.c index eeb6281c652..bbfa1bc6fae 100644 --- a/gcc/tree-ssa-forwprop.c +++ b/gcc/tree-ssa-forwprop.c @@ -2496,6 +2496,8 @@ pass_forwprop::execute (function *fun) { int did_something; did_something = forward_propagate_into_comparison (&gsi); + if (maybe_clean_or_replace_eh_stmt (stmt, gsi_stmt (gsi))) + bitmap_set_bit (to_purge, bb->index); if (did_something == 2) cfg_changed = true; changed = did_something != 0; |