Elmiminate dead STORE

dstogov · Nov 14, 2024 · 9aa71a1 · 9aa71a1
1 parent 23c188c
commit 9aa71a1
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/ir.c b/ir.c
@@ -2910,6 +2910,10 @@ void _ir_STORE(ir_ctx *ctx, ir_ref addr, ir_ref val)
 			}
 		} else if (insn->op == IR_LOAD) {
 			if (insn->op2 == addr) {
+				if (ref == val) {
+					/* dead STORE */
+					return;
+				}
 				break;
 			}
 			type2 = insn->type;