diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-10.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-10.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-10.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-10.c new file mode 100644 index 0000000..0e59df5 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-10.c @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-pre-stats" } */ + +union loc { unsigned reg; signed offset; }; +void __frame_state_for (volatile char *state_in, int x) +{ + union loc fs; + int reg; + for (;;) { + switch (x) { + case 0: + *state_in = fs.reg; + case 1: + *state_in = fs.offset; + } + } +} + +/* { dg-final { scan-tree-dump "Insertions: 0" "pre" } } */ +/* { dg-final { cleanup-tree-dump "pre" } } */ |