1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/jit/C1Spewer.h b/js/src/jit/C1Spewer.h
new file mode 100644
index 000000000..002125e1d
--- /dev/null
+++ b/js/src/jit/C1Spewer.h
@@ -0,0 +1,51 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef jit_C1Spewer_h
+#define jit_C1Spewer_h
+
+#ifdef JS_JITSPEW
+
+#include "NamespaceImports.h"
+
+#include "js/RootingAPI.h"
+#include "vm/Printer.h"
+
+namespace js {
+namespace jit {
+
+class BacktrackingAllocator;
+class MBasicBlock;
+class MIRGraph;
+class LNode;
+
+class C1Spewer
+{
+    MIRGraph* graph;
+    GenericPrinter& out_;
+
+  public:
+    explicit C1Spewer(GenericPrinter& out)
+      : graph(nullptr), out_(out)
+    { }
+
+    void beginFunction(MIRGraph* graph, JSScript* script);
+    void spewPass(const char* pass);
+    void spewRanges(const char* pass, BacktrackingAllocator* regalloc);
+    void endFunction();
+
+  private:
+    void spewPass(GenericPrinter& out, MBasicBlock* block);
+    void spewRanges(GenericPrinter& out, BacktrackingAllocator* regalloc, LNode* ins);
+    void spewRanges(GenericPrinter& out, MBasicBlock* block, BacktrackingAllocator* regalloc);
+};
+
+} // namespace jit
+} // namespace js
+
+#endif /* JS_JITSPEW */
+
+#endif /* jit_C1Spewer_h */