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author | Jan Hubicka <hubicka@ucw.cz> | 2016-05-30 12:40:33 +0200 |
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committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2016-05-30 10:40:33 +0000 |
commit | 98bdbb39a6676776c528f3b51ce740669c06d708 (patch) | |
tree | 70d2283e17b094627b83cbfbd240e80625f370dd /gcc/testsuite/gcc.dg/tree-ssa/cunroll-13.c | |
parent | d5cf3d8da6ef568929fc8bdfc1809593ff1988a8 (diff) | |
download | gcc-98bdbb39a6676776c528f3b51ce740669c06d708.zip gcc-98bdbb39a6676776c528f3b51ce740669c06d708.tar.gz gcc-98bdbb39a6676776c528f3b51ce740669c06d708.tar.bz2 |
predict.h (force_edge_cold): Declare.
* predict.h (force_edge_cold): Declare.
* predict.c (force_edge_cold): New function.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
updating.
(canonicalize_loop_induction_variables): Fix formating.
* gcc.dg/tree-ssa/cunroll-12.c: New testcase.
* gcc.dg/tree-ssa/cunroll-13.c: New testcase.
* gcc.dg/tree-ssa/cunroll-14.c: New testcase.
From-SVN: r236874
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/cunroll-13.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/cunroll-13.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/cunroll-13.c b/gcc/testsuite/gcc.dg/tree-ssa/cunroll-13.c new file mode 100644 index 0000000..6e4417a --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/cunroll-13.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -fdisable-tree-cunrolli -fdisable-tree-vrp1 -fdump-tree-cunroll-blocks-details" } */ +struct a {int a[8];int b;}; +void +t(struct a *a) +{ + for (int i=0;i<123456 && a->a[i];i++) + a->a[i]++; +} +/* This pass relies on the fact that we do not eliminate the redundant test for i early. + It is necessary to disable all passes that do so. At the moment it is vrp1 and cunrolli. */ +/* { dg-final { scan-tree-dump-times "Loop 1 iterates 123454 times" 1 "cunroll" } } */ +/* { dg-final { scan-tree-dump-times "Last iteration exit edge was proved true" 1 "cunroll" } } */ +/* { dg-final { scan-tree-dump-times "Exit condition of peeled iterations was eliminated" 1 "cunroll" } } */ +/* { dg-final { scan-tree-dump-times "loop with 7 iterations completely unrolled" 1 "cunroll" } } */ +/* { dg-final { scan-tree-dump-not "Invalid sum" "cunroll" } } */ |