diff options
| author | Eric Botcazou <ebotcazou@adacore.com> | 2015-06-01 20:49:18 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2015-06-01 20:49:18 +0000 |
| commit | e6a54b01852b536ce67c8a6639adc455f36f3891 (patch) | |
| tree | 83d3f1184dd0b41ae0e5c786c8add2d6cfd17d07 /gcc/cgraph.c | |
| parent | 418dd5cefef6cd8d80de3997a0590503d653bc04 (diff) | |
| download | gcc-e6a54b01852b536ce67c8a6639adc455f36f3891.zip gcc-e6a54b01852b536ce67c8a6639adc455f36f3891.tar.gz gcc-e6a54b01852b536ce67c8a6639adc455f36f3891.tar.bz2 | |
gimplify.c (gimplify_modify_expr_rhs): Use simple test on the size.
* gimplify.c (gimplify_modify_expr_rhs): Use simple test on the size.
* cgraph.c (cgraph_redirect_edge_call_stmt_to_callee): Do not remove
the LHS of a no-return call if its type has variable size.
* tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
* tree-cfg.c (verify_gimple_call): Accept these no-return calls.
From-SVN: r223997
Diffstat (limited to 'gcc/cgraph.c')
| -rw-r--r-- | gcc/cgraph.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/cgraph.c b/gcc/cgraph.c index 6a674db..2ded5af 100644 --- a/gcc/cgraph.c +++ b/gcc/cgraph.c @@ -1464,8 +1464,10 @@ cgraph_edge::redirect_call_stmt_to_callee (void) update_stmt_fn (DECL_STRUCT_FUNCTION (e->caller->decl), new_stmt); } - /* If the call becomes noreturn, remove the lhs. */ - if (lhs && (gimple_call_flags (new_stmt) & ECF_NORETURN)) + /* If the call becomes noreturn, remove the LHS if possible. */ + if (lhs + && (gimple_call_flags (new_stmt) & ECF_NORETURN) + && TREE_CODE (TYPE_SIZE_UNIT (TREE_TYPE (lhs))) == INTEGER_CST) { if (TREE_CODE (lhs) == SSA_NAME) { |