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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-04-26 08:38:20 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-04-26 08:38:20 +0000 |
commit | 2a53f256da412858f27c37f3d5e62f70962c5bd2 (patch) | |
tree | e18df28b4e9bf5890513fff81d7e1ded719bceeb | |
parent | 345c6932969d2a751d4a9fefb87ba1b3243b0839 (diff) | |
download | ruby-2a53f256da412858f27c37f3d5e62f70962c5bd2.tar.gz |
compile.c: true conditions
* compile.c (compile_branch_condition): add more always-true
conditions to optimize away unreachable branch.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54775 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | compile.c | 12 |
1 files changed, 12 insertions, 0 deletions
@@ -2784,6 +2784,18 @@ compile_branch_condition(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * cond, case NODE_LIT: /* NODE_LIT is always not true */ case NODE_TRUE: case NODE_STR: + case NODE_DSTR: + case NODE_XSTR: + case NODE_DXSTR: + case NODE_DREGX: + case NODE_DREGX_ONCE: + case NODE_DSYM: + case NODE_ARRAY: + case NODE_ZARRAY: + case NODE_HASH: + case NODE_LAMBDA: + case NODE_DEFN: + case NODE_DEFS: /* printf("useless condition eliminate (%s)\n", ruby_node_name(nd_type(cond))); */ ADD_INSNL(ret, nd_line(cond), jump, then_label); break; |