From b9068c94921e97cc918e9c8664c252af33bfaf39 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Magnus=20L=C3=A5ng?= Date: Mon, 14 Apr 2014 18:10:31 +0200 Subject: Added elimination of maps:is_key/2 calls to HiPE * Implemented removal of maps:is_key/2 calls of which the result is known in a new pass during the typed phase, called hipe_icode_call_elim. * Added the option icode_call_elim that enables the hipe_icode_call_elim pass, and made it default for o2. --- lib/hipe/main/hipe.erl | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'lib/hipe/main/hipe.erl') diff --git a/lib/hipe/main/hipe.erl b/lib/hipe/main/hipe.erl index 0e32da1d36..c026329276 100644 --- a/lib/hipe/main/hipe.erl +++ b/lib/hipe/main/hipe.erl @@ -1165,6 +1165,9 @@ option_text(caller_save_spill_restore) -> "Activates caller save register spills and restores"; option_text(debug) -> "Outputs internal debugging information during compilation"; +option_text(icode_call_elim) -> + "Performs call elimination of BIFs that are side-effect free\n" ++ + "only on some argument types"; option_text(icode_range) -> "Performs integer range analysis on the Icode level"; option_text(icode_ssa_check) -> @@ -1318,6 +1321,7 @@ opt_keys() -> get_called_modules, split_arith, split_arith_unsafe, + icode_call_elim, icode_inline_bifs, icode_ssa_check, icode_ssa_copy_prop, @@ -1399,7 +1403,7 @@ o1_opts(TargetArch) -> o2_opts(TargetArch) -> Common = [icode_ssa_const_prop, icode_ssa_copy_prop, % icode_ssa_struct_reuse, - icode_type, icode_inline_bifs, rtl_lcm, + icode_type, icode_inline_bifs, icode_call_elim, rtl_lcm, rtl_ssa, rtl_ssa_const_prop, spillmin_color, use_indexing, remove_comments, concurrent_comp, binary_opt | o1_opts(TargetArch)], @@ -1429,6 +1433,7 @@ opt_negations() -> {no_icode_inline_bifs, icode_inline_bifs}, {no_icode_range, icode_range}, {no_icode_split_arith, icode_split_arith}, + {no_icode_call_elim, icode_call_elim}, {no_icode_ssa_check, icode_ssa_check}, {no_icode_ssa_copy_prop, icode_ssa_copy_prop}, {no_icode_ssa_const_prop, icode_ssa_const_prop}, -- cgit v1.2.3