From: hubicka Date: Sun, 28 Oct 2012 23:59:31 +0000 (+0000) Subject: * ipa-inline-analysis.c (eliminated_by_inlining_prob): Handle X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1822e6f23e7ba4838f4e9535d19eea03ee3e2bc1;p=thirdparty%2Fgcc.git * ipa-inline-analysis.c (eliminated_by_inlining_prob): Handle &this->field expressions. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@192899 138bc75d-0d04-0410-961f-82ee72b054a4 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e3119c22a52d..8f4ca6c7da23 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2012-10-28 Jan Hubicka + + * ipa-inline-analysis.c (eliminated_by_inlining_prob): Handle + &this->field expressions. + 2012-10-28 Vladimir Makarov * rtl.h (struct rtx_def): Add a comment for member unchanging. diff --git a/gcc/ipa-inline-analysis.c b/gcc/ipa-inline-analysis.c index 3b56e7ae0a02..a8d16a8c8c6d 100644 --- a/gcc/ipa-inline-analysis.c +++ b/gcc/ipa-inline-analysis.c @@ -1567,6 +1567,7 @@ eliminated_by_inlining_prob (gimple stmt) if (gimple_assign_rhs_code (stmt) == CONVERT_EXPR || gimple_assign_rhs_code (stmt) == NOP_EXPR || gimple_assign_rhs_code (stmt) == VIEW_CONVERT_EXPR + || gimple_assign_rhs_code (stmt) == ADDR_EXPR || gimple_assign_rhs_class (stmt) == GIMPLE_SINGLE_RHS) { tree rhs = gimple_assign_rhs1 (stmt); @@ -1584,6 +1585,20 @@ eliminated_by_inlining_prob (gimple stmt) /* Reads of parameter are expected to be free. */ if (unmodified_parm (stmt, inner_rhs)) rhs_free = true; + /* Match expressions of form &this->field. Those will most likely + combine with something upstream after inlining. */ + else if (TREE_CODE (inner_rhs) == ADDR_EXPR) + { + tree op = get_base_address (TREE_OPERAND (inner_rhs, 0)); + if (TREE_CODE (op) == PARM_DECL) + rhs_free = true; + else if (TREE_CODE (op) == MEM_REF) + { + op = get_base_address (TREE_OPERAND (op, 0)); + if (unmodified_parm (stmt, op)) + rhs_free = true; + } + } /* When parameter is not SSA register because its address is taken and it is just copied into one, the statement will be completely