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| author | Jakub Jelinek <jakub@redhat.com> | 2019-10-18 00:21:12 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2019-10-18 00:21:12 +0200 |
| commit | 928a7c35ae25f4921611a83b5e7c44d4cdc5e728 (patch) | |
| tree | 343876abeae3209d983b865d13d2fa5f82b20481 /gcc | |
| parent | ac4c7868f1032bb9184cd9a59ee17845f6f456c6 (diff) | |
| download | gcc-928a7c35ae25f4921611a83b5e7c44d4cdc5e728.zip gcc-928a7c35ae25f4921611a83b5e7c44d4cdc5e728.tar.gz gcc-928a7c35ae25f4921611a83b5e7c44d4cdc5e728.tar.bz2 | |
re PR tree-optimization/92056 (ice in expr_object_size, at tree-object-si ze.c:675 with -O3)
PR tree-optimization/92056
* tree-ssa-strlen.c (determine_min_objsize): Call init_object_sizes
before calling compute_builtin_object_size.
* gcc.dg/tree-ssa/pr92056.c: New test.
From-SVN: r277134
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr92056.c | 36 | ||||
| -rw-r--r-- | gcc/tree-ssa-strlen.c | 2 |
4 files changed, 49 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ebb7cbc..c137c56 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-10-18 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/92056 + * tree-ssa-strlen.c (determine_min_objsize): Call init_object_sizes + before calling compute_builtin_object_size. + 2019-10-17 Iain Sandoe <iain@sandoe.co.uk> PR target/65342 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 93f15a5..2d2a274 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2019-10-18 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/92056 + * gcc.dg/tree-ssa/pr92056.c: New test. + 2019-10-17 Paolo Carlini <paolo.carlini@oracle.com> * g++.old-deja/g++.other/decl9.C: Check locations too. diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr92056.c b/gcc/testsuite/gcc.dg/tree-ssa/pr92056.c new file mode 100644 index 0000000..e43d0c0 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr92056.c @@ -0,0 +1,36 @@ +/* PR tree-optimization/92056 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-optimized" } */ +/* { dg-final { scan-tree-dump-times "return 1;" 2 "optimized" } } */ +/* { dg-final { scan-tree-dump-not "strcmp \\(" "optimized" } } */ + +void bar (int, char *); + +int +foo (int x, char *y, const char *z) +{ + char *a; + __builtin_sprintf (y, z); + if (x == 3) + a = __builtin_malloc (5); + else if (x == 7) + a = __builtin_malloc (6); + else + a = __builtin_malloc (7); + bar (x, a); + return __builtin_strcmp (a, "abcdefg") != 0; +} + +int +baz (int x) +{ + char *a; + if (x == 3) + a = __builtin_malloc (5); + else if (x == 7) + a = __builtin_malloc (6); + else + a = __builtin_malloc (7); + bar (x, a); + return __builtin_strcmp (a, "abcdefg") != 0; +} diff --git a/gcc/tree-ssa-strlen.c b/gcc/tree-ssa-strlen.c index 5c229ca..d5833f69 100644 --- a/gcc/tree-ssa-strlen.c +++ b/gcc/tree-ssa-strlen.c @@ -3462,6 +3462,8 @@ determine_min_objsize (tree dest) { unsigned HOST_WIDE_INT size = 0; + init_object_sizes (); + if (compute_builtin_object_size (dest, 2, &size)) return size; |