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-rw-r--r--gcc/tree-ssa-copyrename.c35
1 files changed, 19 insertions, 16 deletions
diff --git a/gcc/tree-ssa-copyrename.c b/gcc/tree-ssa-copyrename.c
index 46b33143cb0..d30e2372e7e 100644
--- a/gcc/tree-ssa-copyrename.c
+++ b/gcc/tree-ssa-copyrename.c
@@ -23,13 +23,14 @@ along with GCC; see the file COPYING3. If not see
#include "coretypes.h"
#include "tm.h"
#include "tree.h"
+#include "gimple.h"
#include "flags.h"
#include "basic-block.h"
#include "function.h"
#include "diagnostic.h"
#include "bitmap.h"
#include "tree-flow.h"
-#include "tree-gimple.h"
+#include "gimple.h"
#include "tree-inline.h"
#include "timevar.h"
#include "hashtab.h"
@@ -300,8 +301,9 @@ rename_ssa_copies (void)
{
var_map map;
basic_block bb;
- block_stmt_iterator bsi;
- tree phi, stmt, var, part_var;
+ gimple_stmt_iterator gsi;
+ tree var, part_var;
+ gimple stmt, phi;
unsigned x;
FILE *debug;
bool updated = false;
@@ -316,16 +318,15 @@ rename_ssa_copies (void)
FOR_EACH_BB (bb)
{
/* Scan for real copies. */
- for (bsi = bsi_start (bb); !bsi_end_p (bsi); bsi_next (&bsi))
+ for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
{
- stmt = bsi_stmt (bsi);
- if (TREE_CODE (stmt) == GIMPLE_MODIFY_STMT)
+ stmt = gsi_stmt (gsi);
+ if (gimple_assign_ssa_name_copy_p (stmt))
{
- tree lhs = GIMPLE_STMT_OPERAND (stmt, 0);
- tree rhs = GIMPLE_STMT_OPERAND (stmt, 1);
+ tree lhs = gimple_assign_lhs (stmt);
+ tree rhs = gimple_assign_rhs1 (stmt);
- if (TREE_CODE (lhs) == SSA_NAME && TREE_CODE (rhs) == SSA_NAME)
- updated |= copy_rename_partition_coalesce (map, lhs, rhs, debug);
+ updated |= copy_rename_partition_coalesce (map, lhs, rhs, debug);
}
}
}
@@ -333,18 +334,21 @@ rename_ssa_copies (void)
FOR_EACH_BB (bb)
{
/* Treat PHI nodes as copies between the result and each argument. */
- for (phi = phi_nodes (bb); phi; phi = PHI_CHAIN (phi))
+ for (gsi = gsi_start_phis (bb); !gsi_end_p (gsi); gsi_next (&gsi))
{
- int i;
- tree res = PHI_RESULT (phi);
+ size_t i;
+ tree res;
+
+ phi = gsi_stmt (gsi);
+ res = gimple_phi_result (phi);
/* Do not process virtual SSA_NAMES. */
if (!is_gimple_reg (SSA_NAME_VAR (res)))
continue;
- for (i = 0; i < PHI_NUM_ARGS (phi); i++)
+ for (i = 0; i < gimple_phi_num_args (phi); i++)
{
- tree arg = PHI_ARG_DEF (phi, i);
+ tree arg = gimple_phi_arg (phi, i)->def;
if (TREE_CODE (arg) == SSA_NAME)
updated |= copy_rename_partition_coalesce (map, res, arg, debug);
}
@@ -407,4 +411,3 @@ struct gimple_opt_pass pass_rename_ssa_copies =
TODO_dump_func | TODO_verify_ssa /* todo_flags_finish */
}
};
-