From 622d8b69482a3c8f2a0df0324033719a771932fd Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Wed, 17 Aug 2016 08:11:32 +0000 Subject: re PR tree-optimization/23855 (loop header should also be pulled out of the inner loop too) 2016-08-17 Richard Biener PR tree-optimization/23855 * tree-ssa-loop-unswitch.c: Include tree-ssa-loop-manip.h. (tree_unswitch_outer_loop): Iterate find_loop_guard as long as we find guards to hoist. Do not update SSA form but rewrite virtuals into loop closed SSA. (find_loop_guard): Adjust to skip already hoisted guards. Do not mark virtuals for renaming or update SSA form. * gcc.dg/loop-unswitch-2.c: Adjust. From-SVN: r239523 --- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.dg/loop-unswitch-2.c | 2 +- 2 files changed, 6 insertions(+), 1 deletion(-) (limited to 'gcc/testsuite') diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index cd0463f4..ffa8138 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2016-08-17 Richard Biener + + PR tree-optimization/23855 + * gcc.dg/loop-unswitch-2.c: Adjust. + 2016-08-16 Jakub Jelinek PR tree-optimization/72817 diff --git a/gcc/testsuite/gcc.dg/loop-unswitch-2.c b/gcc/testsuite/gcc.dg/loop-unswitch-2.c index 5ebf608..77900f9 100644 --- a/gcc/testsuite/gcc.dg/loop-unswitch-2.c +++ b/gcc/testsuite/gcc.dg/loop-unswitch-2.c @@ -11,5 +11,5 @@ void foo (float **a, float **b, float *c, int n, int m, int l) c[i] += a[i][k] * b[k][j]; } -/* { dg-final { scan-tree-dump-times "guard hoisted" 2 "unswitch" } } */ +/* { dg-final { scan-tree-dump-times "guard hoisted" 3 "unswitch" } } */ -- cgit v1.1