diff options
Diffstat (limited to 'gcc/tree-ssa-live.c')
| -rw-r--r-- | gcc/tree-ssa-live.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/gcc/tree-ssa-live.c b/gcc/tree-ssa-live.c index 72ee4e3..b9eef20 100644 --- a/gcc/tree-ssa-live.c +++ b/gcc/tree-ssa-live.c @@ -329,7 +329,7 @@ mark_all_vars_used_1 (tree *tp, int *walk_subtrees, void *data ATTRIBUTE_UNUSED) /* Only need to mark VAR_DECLS; parameters and return results are not eliminated as unused. */ - if (TREE_CODE (t) == VAR_DECL) + if (VAR_P (t)) { /* When a global var becomes used for the first time also walk its initializer (non global ones don't have any). */ @@ -425,7 +425,7 @@ remove_unused_scope_block_p (tree scope, bool in_ctor_dtor_block) SET_DEST overlaps with others, and if the value expr changes by virtual register instantiation, we may get end up with different results. */ - else if (TREE_CODE (*t) == VAR_DECL && DECL_HAS_VALUE_EXPR_P (*t)) + else if (VAR_P (*t) && DECL_HAS_VALUE_EXPR_P (*t)) unused = false; /* Remove everything we don't generate debug info for. */ @@ -791,7 +791,7 @@ remove_unused_locals (void) tree base = get_base_address (lhs); /* Remove clobbers referencing unused vars, or clobbers with MEM_REF lhs referencing uninitialized pointers. */ - if ((TREE_CODE (base) == VAR_DECL && !is_used_p (base)) + if ((VAR_P (base) && !is_used_p (base)) || (TREE_CODE (lhs) == MEM_REF && TREE_CODE (TREE_OPERAND (lhs, 0)) == SSA_NAME && SSA_NAME_IS_DEFAULT_DEF (TREE_OPERAND (lhs, 0)) @@ -825,7 +825,7 @@ remove_unused_locals (void) for (srcidx = 0, dstidx = 0; srcidx < num; srcidx++) { var = (*cfun->local_decls)[srcidx]; - if (TREE_CODE (var) == VAR_DECL) + if (VAR_P (var)) { if (!is_used_p (var)) { @@ -842,9 +842,7 @@ remove_unused_locals (void) continue; } } - if (TREE_CODE (var) == VAR_DECL - && DECL_HARD_REGISTER (var) - && !is_global_var (var)) + if (VAR_P (var) && DECL_HARD_REGISTER (var) && !is_global_var (var)) cfun->has_local_explicit_reg_vars = true; if (srcidx != dstidx) |