Commit 43eec2cc by Matthias Braun

constnes and comment improvements for irheights

`[r27711]`
parent 6094bf5b
 ... @@ -34,12 +34,13 @@ typedef struct _heights_t heights_t; ... @@ -34,12 +34,13 @@ typedef struct _heights_t heights_t; /** /** * Get the height of a node inside a basic block. * Get the height of a node inside a basic block. * The height of the node is the maximal number of edges between a sink node in that block and the node itself (plus 1). * The height of the node is the maximal number of edges between a sink node in * that block and the node itself (plus 1). * @param h The heights object. * @param h The heights object. * @param irn The node. * @param irn The node. * @return The height of the node. * @return The height of the node. */ */ FIRM_API unsigned get_irn_height(heights_t *h, const ir_node *irn); FIRM_API unsigned get_irn_height(const heights_t *h, const ir_node *irn); /** /** * Check, if a certain node is reachable according to data dependence edges from another node. * Check, if a certain node is reachable according to data dependence edges from another node. ... ...
 ... @@ -84,7 +84,7 @@ static void height_dump_cb(void *data, FILE *f, const ir_node *irn) ... @@ -84,7 +84,7 @@ static void height_dump_cb(void *data, FILE *f, const ir_node *irn) * @param tgt The node we try to reach. * @param tgt The node we try to reach. * @return 1, one of tgt can be reached from curr, 0 else. * @return 1, one of tgt can be reached from curr, 0 else. */ */ static bool search(heights_t *h, const ir_node *curr, const ir_node *tgt) static bool search(const heights_t *h, const ir_node *curr, const ir_node *tgt) { { irn_height_t *h_curr; irn_height_t *h_curr; irn_height_t *h_tgt; irn_height_t *h_tgt; ... @@ -124,9 +124,11 @@ static bool search(heights_t *h, const ir_node *curr, const ir_node *tgt) ... @@ -124,9 +124,11 @@ static bool search(heights_t *h, const ir_node *curr, const ir_node *tgt) } } /** /** * Check, if one node can be reached from another one, according to data dependence. * Check, if one node can be reached from another one, according to data * dependence. */ */ int heights_reachable_in_block(heights_t *h, const ir_node *n, const ir_node *m) int heights_reachable_in_block(heights_t *h, const ir_node *n, const ir_node *m) { { int res = 0; int res = 0; irn_height_t *hn = phase_get_irn_data(&h->phase, n); irn_height_t *hn = phase_get_irn_data(&h->phase, n); ... @@ -218,9 +220,9 @@ static void compute_heights_in_block_walker(ir_node *block, void *data) ... @@ -218,9 +220,9 @@ static void compute_heights_in_block_walker(ir_node *block, void *data) compute_heights_in_block(block, h); compute_heights_in_block(block, h); } } unsigned get_irn_height(heights_t *heights, const ir_node *irn) unsigned get_irn_height(const heights_t *heights, const ir_node *irn) { { irn_height_t *h = phase_get_irn_data(&heights->phase, irn); const irn_height_t *h = phase_get_irn_data(&heights->phase, irn); assert(h && "No height information for node"); assert(h && "No height information for node"); return h->height; return h->height; } } ... ...
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