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Diffstat (limited to 'gcc/doc/loop.texi')
| -rw-r--r-- | gcc/doc/loop.texi | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/gcc/doc/loop.texi b/gcc/doc/loop.texi index b207b38..8c6f52c 100644 --- a/gcc/doc/loop.texi +++ b/gcc/doc/loop.texi @@ -195,19 +195,11 @@ The loops tree can be manipulated using the following functions: @item @code{remove_bb_from_loops}: Removes a basic block from loops. @end itemize -The specialized versions of several low-level CFG functions that also -update loop structures are provided: +Most low-level CFG functions update loops automatically. The following +functions handle some more complicated cases of CFG manipulations: @itemize -@item @code{loop_split_edge_with}: Splits an edge, and places a -specified RTL code on it. On GIMPLE, the function can still be used, -but the code must be NULL. -@item @code{bsi_insert_on_edge_immediate_loop}: Inserts code on edge, -splitting it if necessary. Only works on GIMPLE. @item @code{remove_path}: Removes an edge and all blocks it dominates. -@item @code{loop_commit_inserts}: Commits insertions scheduled on edges, -and sets loops for the new blocks. This function can only be used on -GIMPLE. @item @code{split_loop_exit_edge}: Splits exit edge of the loop, ensuring that PHI node arguments remain in the loop (this ensures that loop-closed SSA form is preserved). Only useful on GIMPLE. |