diff options
Diffstat (limited to 'gcc/tree-inline.c')
| -rw-r--r-- | gcc/tree-inline.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c index 1d3008b..59661a7 100644 --- a/gcc/tree-inline.c +++ b/gcc/tree-inline.c @@ -5082,7 +5082,7 @@ tree_can_inline_p (struct cgraph_edge *e) return false; } #endif - tree caller, callee; + tree caller, callee, lhs; caller = e->caller->decl; callee = e->callee->decl; @@ -5108,8 +5108,16 @@ tree_can_inline_p (struct cgraph_edge *e) return false; } + /* Do not inline calls where we cannot triviall work around mismatches + in argument or return types. */ if (e->call_stmt - && !gimple_check_call_args (e->call_stmt)) + && ((DECL_RESULT (callee) + && !DECL_BY_REFERENCE (DECL_RESULT (callee)) + && (lhs = gimple_call_lhs (e->call_stmt)) != NULL_TREE + && !useless_type_conversion_p (TREE_TYPE (DECL_RESULT (callee)), + TREE_TYPE (lhs)) + && !fold_convertible_p (TREE_TYPE (DECL_RESULT (callee)), lhs)) + || !gimple_check_call_args (e->call_stmt))) { e->inline_failed = CIF_MISMATCHED_ARGUMENTS; gimple_call_set_cannot_inline (e->call_stmt, true); |