diff options
Diffstat (limited to 'gcc-4.9/gcc/gimple.h')
| -rw-r--r-- | gcc-4.9/gcc/gimple.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/gimple.h b/gcc-4.9/gcc/gimple.h index 11959a82e..50a5a8620 100644 --- a/gcc-4.9/gcc/gimple.h +++ b/gcc-4.9/gcc/gimple.h @@ -90,6 +90,7 @@ enum gf_mask { GF_CALL_NOTHROW = 1 << 4, GF_CALL_ALLOCA_FOR_VAR = 1 << 5, GF_CALL_INTERNAL = 1 << 6, + GF_CALL_CTRL_ALTERING = 1 << 7, GF_OMP_PARALLEL_COMBINED = 1 << 0, GF_OMP_FOR_KIND_MASK = 3 << 0, GF_OMP_FOR_KIND_FOR = 0 << 0, @@ -2447,6 +2448,29 @@ gimple_call_internal_fn (const_gimple gs) return static_cast <const gimple_statement_call *> (gs)->u.internal_fn; } +/* If CTRL_ALTERING_P is true, mark GIMPLE_CALL S to be a stmt + that could alter control flow. */ + +static inline void +gimple_call_set_ctrl_altering (gimple s, bool ctrl_altering_p) +{ + GIMPLE_CHECK (s, GIMPLE_CALL); + if (ctrl_altering_p) + s->subcode |= GF_CALL_CTRL_ALTERING; + else + s->subcode &= ~GF_CALL_CTRL_ALTERING; +} + +/* Return true if call GS calls an func whose GF_CALL_CTRL_ALTERING + flag is set. Such call could not be a stmt in the middle of a bb. */ + +static inline bool +gimple_call_ctrl_altering_p (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_CALL); + return (gs->subcode & GF_CALL_CTRL_ALTERING) != 0; +} + /* Return the function type of the function called by GS. */ |