[PATCH] [prototype] Adding line table debug information to LLVM on Windows

[NAKAMURA Takumi]

  Reverted in r200375. It broke many llvm and clang tests, at least in msc17 builder.


================
Comment at: lib/CodeGen/AsmPrinter/AsmPrinter.cpp:198
@@ -195,3 +197,3 @@
   if (MAI->doesSupportDebugInformation()) {
-    DD = new DwarfDebug(this, &M);
-    Handlers.push_back(HandlerInfo(DD, DbgTimerName, DWARFGroupName));
+    if (Triple(TM.getTargetTriple()).getOS() == Triple::Win32) {
+      Handlers.push_back(HandlerInfo(new WinCodeViewLineTables(this),
----------------
You should tweak more other tests (also in clang/test/CodeGen/ !) when you suppressed llvm::DwarfDebug.

You can reproduce such a case with LLVM_DEFAULT_TARGET_TRIPLE:=i686-pc-win32


http://llvm-reviews.chandlerc.com/D2232