{"id":2232500,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2232500/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/patch/36b6e353-d5a8-4bb8-b5e9-2b406be95983@redhat.com/","project":{"id":17,"url":"http://patchwork.ozlabs.org/api/1.1/projects/17/?format=json","name":"GNU Compiler Collection","link_name":"gcc","list_id":"gcc-patches.gcc.gnu.org","list_email":"gcc-patches@gcc.gnu.org","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<36b6e353-d5a8-4bb8-b5e9-2b406be95983@redhat.com>","date":"2026-05-04T15:49:37","name":"[COMMITTED,5/6] Ranger_cache::range_of_expr should handle no context.","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"a7ebe4a5612d7e46398ef36142b4b77385521d64","submitter":{"id":7458,"url":"http://patchwork.ozlabs.org/api/1.1/people/7458/?format=json","name":"Andrew MacLeod","email":"amacleod@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/gcc/patch/36b6e353-d5a8-4bb8-b5e9-2b406be95983@redhat.com/mbox/","series":[{"id":502687,"url":"http://patchwork.ozlabs.org/api/1.1/series/502687/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/list/?series=502687","date":"2026-05-04T15:49:11","name":"[COMMITTED,1/6] get_tree_range should check the supplied range type.","version":1,"mbox":"http://patchwork.ozlabs.org/series/502687/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2232500/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2232500/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","gcc-patches@gcc.gnu.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","gcc-patches@gcc.gnu.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=RulhBXD6;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; 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boundary=\"------------Wc7BgtW0GFviujHEVX0AeGce\"","Content-Language":"en-US","X-BeenThere":"gcc-patches@gcc.gnu.org","X-Mailman-Version":"2.1.30","Precedence":"list","List-Id":"Gcc-patches mailing list ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org"},"content":"Rangers cache is implemented as a \"read-only\" range-query, but the \nrange_of_expr implementation fails to handle the case where these is no \ncontext provided.\n\nThis patch adds support for that, picking up the global value from the \ncache.\n\nBootstrapped on x86_64-pc-linux-gnu with no regressions.  Pushed.\n\nAndrew","diff":"From 63b9fd7f4f6ce8b100584efea704d2f94855fd0c Mon Sep 17 00:00:00 2001\nFrom: Andrew MacLeod \nDate: Tue, 16 Dec 2025 13:44:45 -0500\nSubject: [PATCH 5/6] Ranger_cache::range_of_expr should handle no context.\n\nrange_of_expr is suppose to return a global value if there is no context\nand instead it was crashing.\n\n\t* gimple-range-cache.cc (ranger_cache::range_of_expr): Handle\n\tNULL statement.\n---\n gcc/gimple-range-cache.cc | 24 +++++++++++++-----------\n 1 file changed, 13 insertions(+), 11 deletions(-)\n\ndiff --git a/gcc/gimple-range-cache.cc b/gcc/gimple-range-cache.cc\nindex 02af482838d..f3aa256acb0 100644\n--- a/gcc/gimple-range-cache.cc\n+++ b/gcc/gimple-range-cache.cc\n@@ -1274,19 +1274,21 @@ bool\n ranger_cache::range_of_expr (vrange &r, tree name, gimple *stmt)\n {\n if (!gimple_range_ssa_p (name))\n+ get_tree_range (r, name, stmt);\n+ /* If no context is provided, pick up the global value. */\n+ else if (!stmt)\n+ get_global_range (r, name);\n+ else\n {\n- get_tree_range (r, name, stmt);\n- return true;\n- }\n-\n- basic_block bb = gimple_bb (stmt);\n- gimple *def_stmt = SSA_NAME_DEF_STMT (name);\n- basic_block def_bb = gimple_bb (def_stmt);\n+ basic_block bb = gimple_bb (stmt);\n+ gimple *def_stmt = SSA_NAME_DEF_STMT (name);\n+ basic_block def_bb = gimple_bb (def_stmt);\n \n- if (bb == def_bb)\n- range_of_def (r, name, bb);\n- else\n- entry_range (r, name, bb, RFD_NONE);\n+ if (bb == def_bb)\n+\trange_of_def (r, name, bb);\n+ else\n+\tentry_range (r, name, bb, RFD_NONE);\n+ }\n return true;\n }\n \n-- \n2.45.0\n\n","prefixes":["COMMITTED","5/6"]}