diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/20030814-7.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/20030814-7.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030814-7.c b/gcc/testsuite/gcc.dg/tree-ssa/20030814-7.c new file mode 100644 index 000000000..711bab251 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/20030814-7.c @@ -0,0 +1,42 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-dom2" } */ + +extern void abort (void); +struct rtx_def; +typedef struct rtx_def *rtx; +struct rtvec_def; +typedef struct rtvec_def *rtvec; +union tree_node; +typedef union tree_node *tree; +struct tree_common +{ + int code; +}; +union tree_node +{ + struct tree_common common; +}; +extern tree current_function_decl; +struct cgraph_rtl_info +{ + _Bool pure_function; +}; +struct cgraph_rtl_info *cgraph_rtl_info (tree); +void +mark_constant_function (void) +{ + rtx insn; + int nonlocal_memory_referenced; + + if (current_function_decl->common.code != 42) + abort (); + + cgraph_rtl_info (current_function_decl)->pure_function = 1; +} + +/* current_function_decl should be loaded once into a temporary + and the temporary used as the argument to cgraph_rtl_info. + This if we find current_function_decl used as an argument, then + we have failed. */ +/* { dg-final { scan-tree-dump-times "\\(current_function_decl\\)" 0 "dom2"} } */ +/* { dg-final { cleanup-tree-dump "dom2" } } */ |