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| author | Jakub Jelinek <jakub@redhat.com> | 2017-12-08 20:05:56 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2017-12-08 20:05:56 +0100 |
| commit | d5910e08a35c7bd4c2cd862d16e533fa978f3238 (patch) | |
| tree | b100216f32e5a9f02391a73b7ff18c89416468e8 | |
| parent | dc236397e4d96647c5d72fd9b6d503ca0b187bee (diff) | |
| download | gcc-d5910e08a35c7bd4c2cd862d16e533fa978f3238.zip gcc-d5910e08a35c7bd4c2cd862d16e533fa978f3238.tar.gz gcc-d5910e08a35c7bd4c2cd862d16e533fa978f3238.tar.bz2 | |
re PR rtl-optimization/81595 (ICE: verify_flow_info failed (error: multiple hot/cold transitions found))
PR rtl-optimization/81595
* gcc.c-torture/compile/pr81595.c: New test.
From-SVN: r255516
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr81595.c | 39 |
2 files changed, 44 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 396e26a..79f6d24 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2017-12-08 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/81595 + * gcc.c-torture/compile/pr81595.c: New test. + 2017-12-08 Michael Matz <matz@suse.de> Fix PR tree-optimization/83323 diff --git a/gcc/testsuite/gcc.c-torture/compile/pr81595.c b/gcc/testsuite/gcc.c-torture/compile/pr81595.c new file mode 100644 index 0000000..2576d8b --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr81595.c @@ -0,0 +1,39 @@ +/* PR rtl-optimization/81595 */ + +void +foo (__INTPTR_TYPE__ *x, int *y, int *z, int u, int v) +{ + while (u != 0) + { + if (*x != 0) + { + int a = 1; + l1: + if (*y != 0) + { + while (a < 2) + { + a = 0; + x = (__INTPTR_TYPE__ *)&x; + l2: + ++a; + } + while (*z != 0) + ; + } + a /= 0; + } + else + { + *z /= (*z != 0) ? 2 : 0; + while (v < 1) + { + *y = 0; + if (v != 0) + goto l1; + ++v; + } + goto l2; + } + } +} |