diff --git a/ext/opcache/jit/ir/ir_gcm.c b/ext/opcache/jit/ir/ir_gcm.c
index be8744ef198..396ba2d7f7c 100644
--- a/ext/opcache/jit/ir/ir_gcm.c
+++ b/ext/opcache/jit/ir/ir_gcm.c
@@ -401,9 +401,10 @@ static bool ir_split_partially_dead_node(ir_ctx *ctx, ir_ref ref, uint32_t b)
 	for (i = 1; i < clones_count; i++) {
 		clones[i].ref = clone = ir_emit(ctx, insn->optx, insn->op1, insn->op2, insn->op3);
 		insn = &ctx->ir_base[ref];
-		if (insn->op1 > 0) ir_use_list_add(ctx, insn->op1, clone);
-		if (insn->op2 > 0) ir_use_list_add(ctx, insn->op2, clone);
-		if (insn->op3 > 0) ir_use_list_add(ctx, insn->op3, clone);
+		/* Depending on the flags in IR_OPS, these can be references or data. */
+		if (insn->op1 > 0 && insn->inputs_count >= 1) ir_use_list_add(ctx, insn->op1, clone);
+		if (insn->op2 > 0 && insn->inputs_count >= 2) ir_use_list_add(ctx, insn->op2, clone);
+		if (insn->op3 > 0 && insn->inputs_count >= 3) ir_use_list_add(ctx, insn->op3, clone);
 	}
 
 	/* Reconstruct IR: Update DEF->USE lists, CFG mapping and etc */
diff --git a/ext/opcache/jit/ir/ir_sccp.c b/ext/opcache/jit/ir/ir_sccp.c
index 4f364849390..b4f22577441 100644
--- a/ext/opcache/jit/ir/ir_sccp.c
+++ b/ext/opcache/jit/ir/ir_sccp.c
@@ -3067,7 +3067,7 @@ static void ir_iter_optimize_if(ir_ctx *ctx, ir_ref ref, ir_insn *insn, ir_bitqu
 
 static void ir_iter_optimize_guard(ir_ctx *ctx, ir_ref ref, ir_insn *insn, ir_bitqueue *worklist)
 {
-	bool swap;
+	bool swap = 0;
 	ir_ref condition = ir_iter_optimize_condition(ctx, insn->op1, insn->op2, &swap);
 
 	if (swap) {