diff options
Diffstat (limited to 'gcc/match.pd')
| -rw-r--r-- | gcc/match.pd | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/match.pd b/gcc/match.pd index d6ac4389ee5..8e0265b2b33 100644 --- a/gcc/match.pd +++ b/gcc/match.pd @@ -2406,6 +2406,13 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT) && TYPE_UNSIGNED (TREE_TYPE (@1))))) (view_convert @1))) +/* Simplify a view-converted empty constructor. */ +(simplify + (view_convert CONSTRUCTOR@0) + (if (TREE_CODE (@0) != SSA_NAME + && CONSTRUCTOR_NELTS (@0) == 0) + { build_zero_cst (type); })) + /* Re-association barriers around constants and other re-association barriers can be removed. */ (simplify |