diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/dce-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/dce-1.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/dce-1.c b/gcc/testsuite/gcc.dg/tree-ssa/dce-1.c new file mode 100644 index 000000000..12612e546 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/dce-1.c @@ -0,0 +1,19 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-cddce1" } */ +int foo (int b, int j) +{ + if (b) + { + int i; + for (i = 0; i<1000; ++i) + ; + j = 0; + } + return j; +} +/* Check that empty loop is eliminated in this case. We should no longer have + the exit condition after the loop. */ +/* { dg-final { scan-tree-dump-not "999" "cddce1"} } */ +/* { dg-final { scan-tree-dump-not "1000" "cddce1"} } */ +/* { dg-final { cleanup-tree-dump "cddce1" } } */ + |