From 6de88c6a1c7fb017720cf79a6f93e52221afdfb8 Mon Sep 17 00:00:00 2001 From: Jan Hubicka Date: Fri, 16 May 2014 19:49:06 +0200 Subject: varpool.c (dump_varpool_node): Dump write-only flag. * varpool.c (dump_varpool_node): Dump write-only flag. * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Stream write-only flag. * tree-cfg.c (execute_fixup_cfg): Remove statements setting write-only variables. * gcc.c-torture/execute/20101011-1.c: Update testcase. * gcc.dg/ira-shrinkwrap-prep-1.c: Update testcase. * gcc.dg/tree-ssa/writeonly.c: New testcase. * gcc.dg/tree-ssa/ssa-dse-6.c: Update testcase. * gcc.dg/tree-ssa/pr21559.c: Update testcase. * gcc.dg/debug/pr35154.c: Update testcase. * gcc.target/i386/vectorize1.c: Update testcase. * ipa.c (process_references): New function. (set_readonly_bit): New function. (set_writeonly_bit): New function. (clear_addressable_bit): New function. (ipa_discover_readonly_nonaddressable_var): Mark write only variables; fix handling of aliases. * cgraph.h (struct varpool_node): Add writeonly flag. From-SVN: r210522 --- gcc/cgraph.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'gcc/cgraph.h') diff --git a/gcc/cgraph.h b/gcc/cgraph.h index 84fc1d9..a29a31c 100644 --- a/gcc/cgraph.h +++ b/gcc/cgraph.h @@ -76,6 +76,8 @@ public: /* Set once the definition was analyzed. The list of references and other properties are built during analysis. */ unsigned analyzed : 1; + /* Set for write-only variables. */ + unsigned writeonly : 1; /*** Visibility and linkage flags. ***/ -- cgit v1.1