diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/forwprop-9.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/forwprop-9.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/forwprop-9.c b/gcc/testsuite/gcc.dg/tree-ssa/forwprop-9.c new file mode 100644 index 000000000..cc583e293 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/forwprop-9.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-optimized -fdump-tree-fre -W -Wall -fno-early-inlining" } */ + +int b; +unsigned a; +static inline int *g(void) +{ + a = 1; + return (int*)&a; +} +void f(void) +{ + b = *g(); +} + +/* We should have converted the assignments to two = 1. FRE does this. */ + +/* { dg-final { scan-tree-dump-times " = 1" 2 "optimized"} } */ +/* { dg-final { scan-tree-dump-not " = a;" "fre"} } */ +/* { dg-final { cleanup-tree-dump "fre" } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |