diff options
| author | Richard Biener <rguenther@suse.de> | 2019-02-12 09:29:39 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-02-12 09:29:39 +0000 |
| commit | 0dcbc6dd8e6bc57a27d5b1cdbd8447a2f5a618b2 (patch) | |
| tree | 72e9df579ba369fe6ec5d2ecf2e68f8773e55fee /gcc | |
| parent | a4553534dfcccf992d30307a8bdbb5405ecd01f7 (diff) | |
| download | gcc-0dcbc6dd8e6bc57a27d5b1cdbd8447a2f5a618b2.zip gcc-0dcbc6dd8e6bc57a27d5b1cdbd8447a2f5a618b2.tar.gz gcc-0dcbc6dd8e6bc57a27d5b1cdbd8447a2f5a618b2.tar.bz2 | |
re PR tree-optimization/89253 (ICE in split_loop, at tree-ssa-loop-split.c:566)
2019-02-12 Richard Biener <rguenther@suse.de>
PR tree-optimization/89253
* tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
duplicate the loop.
* gfortran.dg/pr89253.f: New testcase.
From-SVN: r268790
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gfortran.dg/pr89253.f | 19 | ||||
| -rw-r--r-- | gcc/tree-ssa-loop-split.c | 3 |
4 files changed, 32 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 33623ad..fd015eb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-02-12 Richard Biener <rguenther@suse.de> + + PR tree-optimization/89253 + * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can + duplicate the loop. + 2019-02-11 David Malcolm <dmalcolm@redhat.com> PR lto/88147 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index ae04c4b..de2f092 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2019-02-12 Richard Biener <rguenther@suse.de> + + PR tree-optimization/89253 + * gfortran.dg/pr89253.f: New testcase. + 2019-02-11 Marek Polacek <polacek@redhat.com> PR c++/89212 - ICE converting nullptr to pointer-to-member-function. diff --git a/gcc/testsuite/gfortran.dg/pr89253.f b/gcc/testsuite/gfortran.dg/pr89253.f new file mode 100644 index 0000000..6dc9df1 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/pr89253.f @@ -0,0 +1,19 @@ +! { dg-do compile } +! { dg-additional-options "-fsplit-loops -fno-tree-dominator-opts -std=legacy -w" } + program jr + integer :: w5, pg, zh + w5 = 0 + write (w5) + assign 0002 to w5 + do pg = 1, 3 + if (pg .eq. 1) then + do zh = 1, pg + end do + else + goto w5 + 0001 zh = 0 + 0002 zh = 0 + assign 0001 to w5 + endif + end do + end diff --git a/gcc/tree-ssa-loop-split.c b/gcc/tree-ssa-loop-split.c index 9b9d01a..999c9a3 100644 --- a/gcc/tree-ssa-loop-split.c +++ b/gcc/tree-ssa-loop-split.c @@ -649,7 +649,8 @@ tree_ssa_split_loops (void) false, true) && niter.cmp != ERROR_MARK /* We can't yet handle loops controlled by a != predicate. */ - && niter.cmp != NE_EXPR) + && niter.cmp != NE_EXPR + && can_duplicate_loop_p (loop)) { if (split_loop (loop, &niter)) { |