Break RA_DEBUG option into several levels to get better output.
llvm-svn: 3722
diff --git a/llvm/lib/CodeGen/RegAlloc/RegAllocCommon.h b/llvm/lib/CodeGen/RegAlloc/RegAllocCommon.h
new file mode 100644
index 0000000..f7c30e6
--- /dev/null
+++ b/llvm/lib/CodeGen/RegAlloc/RegAllocCommon.h
@@ -0,0 +1,23 @@
+//===-- RegAllocCommon.h --------------------------------------------------===//
+//
+// Shared declarations for register allocation.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_REGALLOCCOMMON_H
+#define LLVM_CODEGEN_REGALLOCCOMMON_H
+
+#include "Support/CommandLine.h"
+
+enum RegAllocDebugLevel_t {
+ RA_DEBUG_None = 0,
+ RA_DEBUG_Results = 1,
+ RA_DEBUG_Coloring = 2,
+ RA_DEBUG_Interference = 3,
+ RA_DEBUG_LiveRanges = 4,
+ RA_DEBUG_Verbose = 5
+};
+
+extern RegAllocDebugLevel_t DEBUG_RA;
+
+#endif