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1 files changed, 0 insertions, 43 deletions

diff --git a/cfg.c b/cfg.c
deleted file mode 100644
index d9aa409..0000000
--- a/cfg.c
+++ /dev/null
@@ -1,43 +0,0 @@
-#include "ir.h"
-
-static void
-porec(struct block ***rpo, struct block *b)
-{
-   if (wasvisited(b)) return;
-   markvisited(b);
-   if (b->s2) porec(rpo, b->s2);
-   if (b->s1) porec(rpo, b->s1);
-   *--*rpo = b;
-}
-
-void
-sortrpo(struct function *fn)
-{
-   static struct block **rpobuf;
-   struct block **rpoend, **rpo;
-   int i, ndead;
-
-   xbgrow(&rpobuf, fn->nblk);
-   rpo = rpoend = rpobuf + fn->nblk,
-
-   startbbvisit();
-   fn->entry->id = 0;
-   porec(&rpo, fn->entry);
-   ndead = rpo - rpobuf;
-   for (struct block *blk = fn->entry; ndead > 0; blk = blk->lnext) {
-      if (!wasvisited(blk)) {
-         blk->lnext = blk->lprev = NULL;
-         freeblk(fn, blk);
-         --ndead;
-      }
-   }
-   for (i = 1, ++rpo; rpo < rpoend; ++rpo, ++i) {
-      rpo[-1]->lnext = rpo[0];
-      rpo[0]->lprev = rpo[-1];
-      rpo[0]->id = i;
-   }
-   fn->entry->lprev = rpo[-1];
-   rpo[-1]->lnext = fn->entry;
-}
-
-/* vim:set ts=3 sw=3 expandtab: */