diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr31146.C')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr31146.C | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr31146.C b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr31146.C new file mode 100644 index 000000000..478a488e3 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr31146.C @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-options "-O -fdump-tree-forwprop" } */ + +/* We should be able to optimize this to i[j] = 1 during + early optimizations. */ + +int i[5]; +void foo (int j) +{ + void *p = &i[j]; + int *q = (int *)p; + *q = 1; +} + +/* { dg-final { scan-tree-dump "MEM\\\[.*&i\\\]\\\[j.*\\\] =.* 1;" "forwprop1" } } */ +/* { dg-final { cleanup-tree-dump "forwprop?" } } */ |