diff options
Diffstat (limited to 'gcc/tree-scalar-evolution.h')
| -rw-r--r-- | gcc/tree-scalar-evolution.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/gcc/tree-scalar-evolution.h b/gcc/tree-scalar-evolution.h index 60878b1..0fecaee 100644 --- a/gcc/tree-scalar-evolution.h +++ b/gcc/tree-scalar-evolution.h @@ -32,7 +32,19 @@ extern tree analyze_scalar_evolution (struct loop *, tree); extern tree instantiate_parameters (struct loop *, tree); extern void gather_stats_on_scev_database (void); extern void scev_analysis (void); -extern bool simple_iv (struct loop *, tree, tree, tree *, tree *, bool); void scev_const_prop (void); +/* Affine iv. */ + +typedef struct +{ + /* Iv = BASE + STEP * i. */ + tree base, step; + + /* True if this iv does not overflow. */ + bool no_overflow; +} affine_iv; + +extern bool simple_iv (struct loop *, tree, tree, affine_iv *, bool); + #endif /* GCC_TREE_SCALAR_EVOLUTION_H */ |