Moving alloy/ into xenia/cpu/ to start simplifying things.

src/xenia/cpu/hir/block.h

@@ -0,0 +1,73 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_HIR_BLOCK_H_
+#define XENIA_HIR_BLOCK_H_
+
+#include "poly/arena.h"
+
+namespace llvm {
+class BitVector;
+}  // namespace llvm
+
+namespace xe {
+namespace cpu {
+namespace hir {
+
+class Block;
+class HIRBuilder;
+class Instr;
+class Label;
+
+class Edge {
+ public:
+  enum EdgeFlags {
+    UNCONDITIONAL = (1 << 0),
+    DOMINATES = (1 << 1),
+  };
+
+ public:
+  Edge* outgoing_next;
+  Edge* outgoing_prev;
+  Edge* incoming_next;
+  Edge* incoming_prev;
+
+  Block* src;
+  Block* dest;
+
+  uint32_t flags;
+};
+
+class Block {
+ public:
+  poly::Arena* arena;
+
+  Block* next;
+  Block* prev;
+
+  Edge* incoming_edge_head;
+  Edge* outgoing_edge_head;
+  llvm::BitVector* incoming_values;
+
+  Label* label_head;
+  Label* label_tail;
+
+  Instr* instr_head;
+  Instr* instr_tail;
+
+  uint16_t ordinal;
+
+  void AssertNoCycles();
+};
+
+}  // namespace hir
+}  // namespace cpu
+}  // namespace xe
+
+#endif  // XENIA_HIR_BLOCK_H_