abi0: get rid of manual instruse reordering

Vestigial, wasn't enough and we're sorting uses in mem2reg now.

1 files changed, 1 insertions, 12 deletions

diff --git a/ir/abi0.c b/ir/abi0.c
index bd8e297..85f7003 100644
--- a/ir/abi0.c
+++ b/ir/abi0.c
@@ -321,7 +321,6 @@ abi0_call(struct function *fn, struct instr *ins, struct block *blk, int *curi)
          }
          for (int i = 0; i < nret; ++i) {
             struct instr store = {0};
-            int iref, iuser;
             switch (call->abiret[i].ty.cls) {
             default: assert(0);
             case KF32: case KI32: store.op = Ostore32; break;
@@ -334,17 +333,7 @@ abi0_call(struct function *fn, struct instr *ins, struct block *blk, int *curi)
                store.l = insertinstr(blk, ++*curi, addr);
             }
             store.r = r[i];
-            iuser = insertinstr(blk, ++*curi, store).i;
-            if (i > 0) iuser = store.l.i;
-            iref = retmem.i;
-            if (instrnuse[iref] > 1) {
-               /* make this the first use of that temp */
-               int last = instrnuse[iref] - 1;
-               struct use tmp = instruse[iref][last];
-               assert(tmp.blk == blk && tmp.u == iuser);
-               memmove(&instruse[iref][last], &instruse[iref][0], (sizeof tmp)*(last));
-               instruse[iref][0] = tmp;
-            }
+            insertinstr(blk, ++*curi, store);
          }
       }
    }