r239213 - clang-cl: Implement /GL in terms of -flto.

[Peter Collingbourne]

Author: pcc
Date: Fri Jun  5 21:09:34 2015
New Revision: 239213

URL: http://llvm.org/viewvc/llvm-project?rev=239213&view=rev
Log:
clang-cl: Implement /GL in terms of -flto.

No documentation yet; the linker needs more work.

Differential Revision: http://reviews.llvm.org/D10270

Modified:
    cfe/trunk/include/clang/Driver/CLCompatOptions.td
    cfe/trunk/lib/Driver/Driver.cpp
    cfe/trunk/lib/Driver/Types.cpp
    cfe/trunk/test/Driver/cl-outputs.c

Modified: cfe/trunk/include/clang/Driver/CLCompatOptions.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/CLCompatOptions.td?rev=239213&r1=239212&r2=239213&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/CLCompatOptions.td (original)
+++ cfe/trunk/include/clang/Driver/CLCompatOptions.td Fri Jun  5 21:09:34 2015
@@ -202,6 +202,7 @@ def _SLASH_Fi : CLCompileJoined<"Fi">,
 def _SLASH_Fo : CLCompileJoined<"Fo">,
   HelpText<"Set output object file, or directory (ends in / or \\)">,
   MetaVarName<"<file or directory>">;
+def _SLASH_GL : CLFlag<"GL">, Alias<flto>;
 def _SLASH_LD : CLFlag<"LD">, HelpText<"Create DLL">;
 def _SLASH_LDd : CLFlag<"LDd">, HelpText<"Create debug DLL">;
 def _SLASH_link : CLRemainingArgs<"link">,
@@ -286,7 +287,6 @@ def _SLASH_G2 : CLFlag<"G2">;
 def _SLASH_Ge : CLFlag<"Ge">;
 def _SLASH_Gh : CLFlag<"Gh">;
 def _SLASH_GH : CLFlag<"GH">;
-def _SLASH_GL : CLFlag<"GL">;
 def _SLASH_GL_ : CLFlag<"GL-">;
 def _SLASH_Gm : CLFlag<"Gm">;
 def _SLASH_Gm_ : CLFlag<"Gm-">;

Modified: cfe/trunk/lib/Driver/Driver.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Driver.cpp?rev=239213&r1=239212&r2=239213&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/Driver.cpp (original)
+++ cfe/trunk/lib/Driver/Driver.cpp Fri Jun  5 21:09:34 2015
@@ -1744,7 +1744,7 @@ const char *Driver::GetNamedOutputPath(C
   // Determine what the derived output name should be.
   const char *NamedOutput;
 
-  if (JA.getType() == types::TY_Object &&
+  if ((JA.getType() == types::TY_Object || JA.getType() == types::TY_LTO_BC) &&
       C.getArgs().hasArg(options::OPT__SLASH_Fo, options::OPT__SLASH_o)) {
     // The /Fo or /o flag decides the object filename.
     StringRef Val = C.getArgs().getLastArg(options::OPT__SLASH_Fo,

Modified: cfe/trunk/lib/Driver/Types.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Types.cpp?rev=239213&r1=239212&r2=239213&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/Types.cpp (original)
+++ cfe/trunk/lib/Driver/Types.cpp Fri Jun  5 21:09:34 2015
@@ -45,7 +45,7 @@ types::ID types::getPreprocessedType(ID
 }
 
 const char *types::getTypeTempSuffix(ID Id, bool CLMode) {
-  if (Id == TY_Object && CLMode)
+  if ((Id == TY_Object || Id == TY_LTO_BC) && CLMode)
     return "obj";
   if (Id == TY_Image && CLMode)
     return "exe";

Modified: cfe/trunk/test/Driver/cl-outputs.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/cl-outputs.c?rev=239213&r1=239212&r2=239213&view=diff
==============================================================================
--- cfe/trunk/test/Driver/cl-outputs.c (original)
+++ cfe/trunk/test/Driver/cl-outputs.c Fri Jun  5 21:09:34 2015
@@ -273,3 +273,9 @@
 // RUN: %clang_cl /P /Fifoo.x /obar.x -### -- %s 2>&1 | FileCheck -check-prefix=FioRACE2 %s
 // FioRACE2: "-E"
 // FioRACE2: "-o" "bar.x"
+
+// RUN: %clang_cl /c /GL -### -- %s 2>&1 | FileCheck -check-prefix=LTO-DEFAULT %s
+// LTO-DEFAULT: "-emit-llvm-bc"{{.*}}"-o" "cl-outputs.obj"
+
+// RUN: %clang_cl /c /GL /Fofoo -### -- %s 2>&1 | FileCheck -check-prefix=LTO-FO %s
+// LTO-FO: "-emit-llvm-bc"{{.*}}"-o" "foo.obj"