diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/forwprop-10.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/forwprop-10.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/forwprop-10.c b/gcc/testsuite/gcc.dg/tree-ssa/forwprop-10.c new file mode 100644 index 000000000..b46b8ece8 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/forwprop-10.c @@ -0,0 +1,22 @@ +/* { dg-do compile } */ +/* { dg-options "-O -fdump-tree-fre-details" } */ + +int b; +unsigned a; + +static inline int *g(void) +{ + a = 1; + return (int*)&a; +} +void test2(void) +{ + b = *g(); +} + +/* The indirect load should be replaced by a load from a and a + conversion to int. FRE should then be able to replace + the rhs of the store to b by 1. */ + +/* { dg-final { scan-tree-dump "Replaced\[^\\n\]*with 1" "fre" } } */ +/* { dg-final { cleanup-tree-dump "fre" } } */ |