diff options
| author | Jan Hubicka <jh@suse.cz> | 2012-10-29 00:59:31 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2012-10-28 23:59:31 +0000 |
| commit | a7dbc1cbe52e7aea67d75d8ed26a67c18a3780ed (patch) | |
| tree | 5b3e66ce7c0bea0c2a3a738891cf18d64021e498 /gcc/ipa-inline-analysis.c | |
| parent | 1d5d667b3bbbdd78d86bbe3c7a0282d9ed5802c5 (diff) | |
| download | gcc-a7dbc1cbe52e7aea67d75d8ed26a67c18a3780ed.zip gcc-a7dbc1cbe52e7aea67d75d8ed26a67c18a3780ed.tar.gz gcc-a7dbc1cbe52e7aea67d75d8ed26a67c18a3780ed.tar.bz2 | |
ipa-inline-analysis.c (eliminated_by_inlining_prob): Handle &this->field expressions.
* ipa-inline-analysis.c (eliminated_by_inlining_prob): Handle
&this->field expressions.
From-SVN: r192899
Diffstat (limited to 'gcc/ipa-inline-analysis.c')
| -rw-r--r-- | gcc/ipa-inline-analysis.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/ipa-inline-analysis.c b/gcc/ipa-inline-analysis.c index 3b56e7a..a8d16a8 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 |