diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-9.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-9.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-9.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-9.c new file mode 100644 index 000000000..c8a434a2b --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-9.c @@ -0,0 +1,28 @@ +/* { dg-do compile } */ +/* { dg-options "-O -fno-tree-sra -fdump-tree-fre-stats" } */ + +union loc { + unsigned reg; + signed offset; +}; +void __frame_state_for2 (volatile char *state_in) +{ + union loc fs; + { + *state_in = fs.reg; + *state_in = fs.offset; + } +} +void __frame_state_for1 (volatile char *state_in) +{ + union loc fs; + for (;;) + { + *state_in = fs.offset; + *state_in = fs.reg; + } +} + +/* { dg-final { scan-tree-dump-times "Eliminated: 1" 2 "fre" } } */ +/* { dg-final { scan-tree-dump-times "Insertions: 1" 2 "fre" } } */ +/* { dg-final { cleanup-tree-dump "fre" } } */ |