blob: f4bb9edac9b1255159b51a50a0bcafc62ae33a5b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
/*
* This file is part of libFirm.
* Copyright (C) 2012 University of Karlsruhe.
*/
/**
* @file
* @brief Definitions for optimization flags
* @author Michael Beck, Sebastian Hack
*/
/** Turn off all optimizations. */
FLAG(optimize , 0, ON)
/** Common subexpression eliminations: Hash the nodes. */
FLAG(cse , 1, ON)
/** Don't use block predecessor for comparison.
* Default must be zero as code placement must
* be run right after a local optimize walk with
* global_cse on. */
FLAG(global_cse , 2, OFF)
/** Evaluate operations. */
FLAG(constant_folding , 3, ON)
/** Algebraic simplifications. */
FLAG(algebraic_simplification , 4, ON)
/** Use Global Null Pointer Test elimination. */
FLAG(global_null_ptr_elimination , 5, ON)
|
