diff options
| author | Richard Biener <rguenther@suse.de> | 2016-10-24 11:22:42 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-10-24 11:22:42 +0000 |
| commit | 40f683e88d5aeef52425f719a7197da4d1d524a7 (patch) | |
| tree | f437f7ebf06c7ddb56c34be09fee7a257e8d2c20 /gcc/testsuite | |
| parent | 6a5792b660b24aed969139573707bc20702c81d4 (diff) | |
| download | gcc-40f683e88d5aeef52425f719a7197da4d1d524a7.zip gcc-40f683e88d5aeef52425f719a7197da4d1d524a7.tar.gz gcc-40f683e88d5aeef52425f719a7197da4d1d524a7.tar.bz2 | |
tree-vrp.c (evrp_dom_walker::before_dom_children): Ignore backedges when identifying the single predecessor to take conditional...
2016-10-24 Richard Biener <rguenther@suse.de>
* tree-vrp.c (evrp_dom_walker::before_dom_children): Ignore
backedges when identifying the single predecessor to take
conditional info from. Use SCEV to get at ranges for loop IVs.
* lto-streamer-out.c (lto_write_mode_table): CSE inner mode to
avoid false warning.
* gcc.dg/tree-ssa/cunroll-13.c: Disable EVRP.
* gcc.dg/tree-ssa/pr21458.c: Likewise.
* gcc.dg/tree-ssa/pr21458-2.c: New testcase for EVRP.
From-SVN: r241470
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/cunroll-13.c | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr21458-2.c | 19 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr21458.c | 2 |
4 files changed, 28 insertions, 3 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index bc9bf67..eb0f976 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2016-10-24 Richard Biener <rguenther@suse.de> + + * gcc.dg/tree-ssa/cunroll-13.c: Disable EVRP. + * gcc.dg/tree-ssa/pr21458.c: Likewise. + * gcc.dg/tree-ssa/pr21458-2.c: New testcase for EVRP. + 2016-10-24 Georg-Johann Lay <avr@gjlay.de> PR target/78093 diff --git a/gcc/testsuite/gcc.dg/tree-ssa/cunroll-13.c b/gcc/testsuite/gcc.dg/tree-ssa/cunroll-13.c index 6e4417a..f3fe8b5 100644 --- a/gcc/testsuite/gcc.dg/tree-ssa/cunroll-13.c +++ b/gcc/testsuite/gcc.dg/tree-ssa/cunroll-13.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O3 -fdisable-tree-cunrolli -fdisable-tree-vrp1 -fdump-tree-cunroll-blocks-details" } */ +/* { dg-options "-O3 -fdisable-tree-evrp -fdisable-tree-cunrolli -fdisable-tree-vrp1 -fdump-tree-cunroll-blocks-details" } */ struct a {int a[8];int b;}; void t(struct a *a) @@ -8,7 +8,7 @@ t(struct a *a) 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. */ + It is necessary to disable all passes that do so. At the moment it is evrp, 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" } } */ diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr21458-2.c b/gcc/testsuite/gcc.dg/tree-ssa/pr21458-2.c new file mode 100644 index 0000000..2aee42f --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr21458-2.c @@ -0,0 +1,19 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-evrp-details" } */ + +extern void g (void); +extern void bar (int); + +int +foo (int a) +{ + int i; + + for (i = 1; i < 100; i++) + { + if (i) + g (); + } +} + +/* { dg-final { scan-tree-dump-times "Predicate evaluates to: 1" 1 "evrp" } } */ diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr21458.c b/gcc/testsuite/gcc.dg/tree-ssa/pr21458.c index 20ec9c9..97d17f2 100644 --- a/gcc/testsuite/gcc.dg/tree-ssa/pr21458.c +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr21458.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -fdump-tree-vrp1" } */ +/* { dg-options "-O2 -fdisable-tree-evrp -fdump-tree-vrp1" } */ extern void g (void); extern void bar (int); |