From 38532ceb111a51091b541820bad1d3ef08dbbe4d Mon Sep 17 00:00:00 2001
From: "Wolfgang (Blub) Bumiller" <blub@speed.at>
Date: Wed, 25 Apr 2012 14:55:15 +0200
Subject: [PATCH] ir.c: ir_instr
---
ir.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/ir.c b/ir.c
index fbb6255..a2d5c6a 100644
--- 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;
+}