re PR debug/66691 (ICE on valid code at -O3 with -g enabled in simplify_subreg, at...

[gcc.git] / gcc / tree-loop-distribution.c

diff --git a/gcc/tree-loop-distribution.c b/gcc/tree-loop-distribution.c
index 5c203dbb13442e2fb93908f28b39d923756f98c3..19523b941d2a52de888d61103cf33f0e5af5d7d0 100644 (file)
--- a/gcc/tree-loop-distribution.c
+++ b/gcc/tree-loop-distribution.c
@@ -44,7 +44,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
-#include "input.h"
 #include "alias.h"
 #include "symtab.h"
 #include "options.h"
@@ -53,7 +52,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "predict.h"
 #include "tm.h"
 #include "hard-reg-set.h"
-#include "input.h"
 #include "function.h"
 #include "dominance.h"
 #include "cfg.h"
@@ -62,7 +60,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "tree-ssa-alias.h"
 #include "internal-fn.h"
 #include "gimple-expr.h"
-#include "is-a.h"
 #include "gimple.h"
 #include "gimple-iterator.h"
 #include "gimplify-me.h"
@@ -1363,9 +1360,7 @@ pg_add_dependence_edges (struct graph *rdg, vec<loop_p> loops, int dir,
        if (rdg_vertex_for_stmt (rdg, DR_STMT (dr1))
            > rdg_vertex_for_stmt (rdg, DR_STMT (dr2)))
          {
-           data_reference_p tem = dr1;
-           dr1 = dr2;
-           dr2 = tem;
+           std::swap (dr1, dr2);
            this_dir = -this_dir;
          }
        ddr = initialize_data_dependence_relation (dr1, dr2, loops);
@@ -1376,9 +1371,7 @@ pg_add_dependence_edges (struct graph *rdg, vec<loop_p> loops, int dir,
          {
            if (DDR_REVERSED_P (ddr))
              {
-               data_reference_p tem = dr1;
-               dr1 = dr2;
-               dr2 = tem;
+               std::swap (dr1, dr2);
                this_dir = -this_dir;
              }
            /* Known dependences can still be unordered througout the