1 files changed, 0 insertions, 59 deletions
diff --git a/ssa.c b/ssa.c
deleted file mode 100644
index 6c1255a..0000000
--- a/ssa.c
+++ /dev/null
@@ -1,59 +0,0 @@
-#include "common.h"
-#include "ir.h"
-
-/* require use, keeps use */
-void
-copyopt(struct function *fn)
-{
-   struct block *blk = fn->entry;
-
-   do {
-      for (int i = 0; i < blk->ins.n; ++i) {
-         union ref var = mkref(RTMP, blk->ins.p[i]);
-         struct instr *ins = &instrtab[var.i];
-         enum irclass k;
-
-         if (ins->op == Ocopy) {
-            union ref arg = ins->l;
-            if (arg.t == RTMP) k = insrescls(instrtab[arg.i]);
-            else if (arg.t == RICON) k = cls2siz[ins->cls] == 4 ? KI4 : KI8;
-            else if (arg.t == RXCON) k = isnumcon(arg) ? conht[arg.i].cls : KPTR;
-            else continue;
-            if (ins->cls != k) continue;
-
-            replcuses(var, arg);
-            *ins = mkinstr(Onop,0,);
-            deluses(var.i);
-         }
-      }
-      delnops(blk);
-   } while ((blk = blk->lnext) != fn->entry);
-}
-
-void
-filluses(struct function *fn)
-{
-   extern int ninstr;
-   struct block *blk = fn->entry;
-
-   for (int i = 0; i < ninstr; ++i)
-      deluses(i);
-
-   do {
-      for (int i = 0; i < blk->phi.n; ++i) {
-         int ins = blk->phi.p[i];
-         union ref *phi = phitab.p[instrtab[ins].l.i];
-         for (int i = 0; i < blk->npred; ++i)
-            adduse(blk, ins, phi[i]);
-      }
-      for (int i = 0; i < blk->ins.n; ++i) {
-         int ins = blk->ins.p[i];
-         adduse(blk, ins, instrtab[ins].l);
-         adduse(blk, ins, instrtab[ins].r);
-      }
-      adduse(blk, USERJUMP, blk->jmp.arg[0]);
-      adduse(blk, USERJUMP, blk->jmp.arg[1]);
-   } while ((blk = blk->lnext) != fn->entry);
-}
-
-/* vim:set ts=3 sw=3 expandtab: */