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add missing dbg hooks for boolean simplifications
[libfirm]
/
include
/
libfirm
/
iroptimize.h
diff --git
a/include/libfirm/iroptimize.h
b/include/libfirm/iroptimize.h
index
fcf8aa3
..
590acc7
100644
(file)
--- a/
include/libfirm/iroptimize.h
+++ b/
include/libfirm/iroptimize.h
@@
-251,7
+251,9
@@
typedef enum osr_flags {
osr_flag_none = 0, /**< no additional flags */
osr_flag_lftr_with_ov_check = 1, /**< do linear function test replacement
only if no overflow can occur. */
osr_flag_none = 0, /**< no additional flags */
osr_flag_lftr_with_ov_check = 1, /**< do linear function test replacement
only if no overflow can occur. */
- osr_flag_ignore_x86_shift = 2 /**< ignore Multiplications by 2, 4, 8 */
+ osr_flag_ignore_x86_shift = 2, /**< ignore Multiplications by 2, 4, 8 */
+ osr_flag_keep_reg_pressure = 4 /**< do NOT increase register pressure by introducing new
+ induction variables. */
} osr_flags;
/* FirmJNI cannot handle identical enum values... */
} osr_flags;
/* FirmJNI cannot handle identical enum values... */
@@
-415,15
+417,23
@@
void normalize_n_returns(ir_graph *irg);
* with atomic values if possible. Does not handle classes yet.
*
* @param irg the graph which should be optimized
* with atomic values if possible. Does not handle classes yet.
*
* @param irg the graph which should be optimized
+ *
+ * @return non-zero, if at least one entity was replaced
*/
*/
-
void
scalar_replacement_opt(ir_graph *irg);
+
int
scalar_replacement_opt(ir_graph *irg);
/** Performs strength reduction for the passed graph. */
void reduce_strength(ir_graph *irg);
/**
/** Performs strength reduction for the passed graph. */
void reduce_strength(ir_graph *irg);
/**
- * Optimizes simple tail-recursion calls by
- * converting them into loops. Depends on the flag opt_tail_recursion.
+ * Optimizes tail-recursion calls by converting them into loops.
+ * Depends on the flag opt_tail_recursion.
+ * Currently supports the following forms:
+ * - return func();
+ * - return x + func();
+ * - return func() - x;
+ * - return x * func();
+ * - return -func();
*
* Does not work for Calls that use the exception stuff.
*
*
* Does not work for Calls that use the exception stuff.
*