This: -- #undef DEBUG_TYPE #define DEBUG_TYPE "foo" DEBUG(...) #undef DEBUG_TYPE #define DEBUG_TYPE "" -- becomes this: -- DEBUG_WITH_TYPE("foo", ...) -- git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78435 91177308-0d34-0410-b5e6-96231b3b80d8