ir.c: ir_instr

diff --git a/ir.c b/ir.c
index fbb6255b29dc95461ce3c38d92104392e8fd87c5..a2d5c6ac76afc3022f7c404b62273924cd2632fd 100644 (file)
--- a/ir.c
+++ b/ir.c
@@ -242,3 +242,53 @@ void ir_block_set_label(ir_block *self, const char *name)
         mem_d((void*)self->label);
     self->label = util_strdup(name);
 }
+
+/***********************************************************************
+ *IR Instructions
+ */
+
+ir_instr* ir_instr_new(ir_block* owner, ir_op_t op)
+{
+       ir_instr *self;
+       self = (ir_instr*)malloc(sizeof(*self));
+       self->owner = owner;
+       self->context.file = "<@no context>";
+       self->context.line = 0;
+       self->opcode = op;
+       self->_ops[0] = NULL;
+       self->_ops[1] = NULL;
+       self->_ops[2] = NULL;
+       self->bops[0] = NULL;
+       self->bops[1] = NULL;
+       VEC_INIT(self, phi);
+
+       self->eid = 0;
+       return self;
+}
+MAKE_VEC_ADD(ir_instr, ir_phi_entry_t, phi)
+
+void ir_instr_delete(ir_instr *self)
+{
+       ir_instr_op(self, 0, NULL, ifalse);
+       ir_instr_op(self, 1, NULL, ifalse);
+       ir_instr_op(self, 2, NULL, ifalse);
+       VEC_CLEAR(self, phi);
+       free(self);
+}
+
+void ir_instr_op(ir_instr *self, int op, ir_value *v, ir_bool writing)
+{
+       if (self->_ops[op]) {
+               if (writing)
+                       ir_value_writes_add(self->_ops[op], self);
+               else
+                       ir_value_reads_add(self->_ops[op], self);
+       }
+       if (v) {
+               if (writing)
+                       ir_value_writes_add(v, self);
+               else
+                       ir_value_reads_add(v, self);
+       }
+       self->_ops[op] = v;
+}