diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/loadpre20.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/loadpre20.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/loadpre20.c b/gcc/testsuite/gcc.dg/tree-ssa/loadpre20.c new file mode 100644 index 000000000..92a235325 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/loadpre20.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-pre-stats" } */ +typedef int type[2]; +int foo(type *a, int argc) +{ + int d, e; + + /* Should be able to eliminate the second load of *a along the main path. */ + d = (*a)[argc]; + if (!d) + a++; + e = (*a)[argc]; + return e; +} +/* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre" } } */ +/* { dg-final { cleanup-tree-dump "pre" } } */ |