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Diffstat (limited to 'gcc/tree-ssa-copyrename.c')
| -rw-r--r-- | gcc/tree-ssa-copyrename.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/gcc/tree-ssa-copyrename.c b/gcc/tree-ssa-copyrename.c index a355b2d..c65b828 100644 --- a/gcc/tree-ssa-copyrename.c +++ b/gcc/tree-ssa-copyrename.c @@ -309,9 +309,7 @@ rename_ssa_copies (void) tree lhs = TREE_OPERAND (stmt, 0); tree rhs = TREE_OPERAND (stmt, 1); - if (TREE_CODE (lhs) == SSA_NAME - && !has_hidden_use (SSA_NAME_VAR (lhs)) - && TREE_CODE (rhs) == SSA_NAME) + if (TREE_CODE (lhs) == SSA_NAME && TREE_CODE (rhs) == SSA_NAME) copy_rename_partition_coalesce (map, lhs, rhs, debug); } } @@ -325,10 +323,8 @@ rename_ssa_copies (void) int i; tree res = PHI_RESULT (phi); - /* Do not process virtual SSA_NAMES or variables which have - hidden uses. */ - if (!is_gimple_reg (SSA_NAME_VAR (res)) - || has_hidden_use (SSA_NAME_VAR (res))) + /* Do not process virtual SSA_NAMES. */ + if (!is_gimple_reg (SSA_NAME_VAR (res))) continue; for (i = 0; i < PHI_NUM_ARGS (phi); i++) |