GCC Middle and Back End API Reference
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Data Fields | |
bitmap | def_blocks |
bitmap | phi_blocks |
bitmap | livein_blocks |
This file builds the SSA form for a function as described in: R. Cytron, J. Ferrante, B. Rosen, M. Wegman, and K. Zadeck. Efficiently Computing Static Single Assignment Form and the Control Dependence Graph. ACM Transactions on Programming Languages and Systems, 13(4):451-490, October 1991.
Structure to map a variable VAR to the set of blocks that contain definitions for VAR.
bitmap def_blocks::def_blocks |
bitmap def_blocks::livein_blocks |
bitmap def_blocks::phi_blocks |
Referenced by debug_var_infos_r(), get_def_blocks_for(), get_ssa_name_ann(), insert_phi_nodes_for(), and set_def_block().