diff options
Diffstat (limited to 'gcc/gimple-fold.c')
| -rw-r--r-- | gcc/gimple-fold.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c index 8ac2211..76441c7 100644 --- a/gcc/gimple-fold.c +++ b/gcc/gimple-fold.c @@ -2662,6 +2662,19 @@ gimple_fold_call (gimple_stmt_iterator *gsi, bool inplace) gimple_call_arg (stmt, 1), gimple_call_arg (stmt, 2)); break; + case IFN_UBSAN_OBJECT_SIZE: + if (integer_all_onesp (gimple_call_arg (stmt, 2)) + || (TREE_CODE (gimple_call_arg (stmt, 1)) == INTEGER_CST + && TREE_CODE (gimple_call_arg (stmt, 2)) == INTEGER_CST + && tree_int_cst_le (gimple_call_arg (stmt, 1), + gimple_call_arg (stmt, 2)))) + { + gsi_replace (gsi, gimple_build_nop (), true); + unlink_stmt_vdef (stmt); + release_defs (stmt); + return true; + } + break; case IFN_UBSAN_CHECK_ADD: subcode = PLUS_EXPR; break; |