[llvm] r214727 - Add a dummy subtarget to the CPP backend target machine. This will

[Eric Christopher]

Author: echristo
Date: Mon Aug  4 11:40:55 2014
New Revision: 214727

URL: http://llvm.org/viewvc/llvm-project?rev=214727&view=rev
Log:
Add a dummy subtarget to the CPP backend target machine. This will
allow us to forward all of the standard TargetMachine calls to the
subtarget and still return null as we were before.

Modified:
    llvm/trunk/lib/Target/CppBackend/CPPTargetMachine.h

Modified: llvm/trunk/lib/Target/CppBackend/CPPTargetMachine.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/CppBackend/CPPTargetMachine.h?rev=214727&r1=214726&r2=214727&view=diff
==============================================================================
--- llvm/trunk/lib/Target/CppBackend/CPPTargetMachine.h (original)
+++ llvm/trunk/lib/Target/CppBackend/CPPTargetMachine.h Mon Aug  4 11:40:55 2014
@@ -16,24 +16,30 @@
 
 #include "llvm/IR/DataLayout.h"
 #include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
 
 namespace llvm {
 
 class formatted_raw_ostream;
 
+class CPPSubtarget : public TargetSubtargetInfo {
+};
+
 struct CPPTargetMachine : public TargetMachine {
   CPPTargetMachine(const Target &T, StringRef TT,
                    StringRef CPU, StringRef FS, const TargetOptions &Options,
                    Reloc::Model RM, CodeModel::Model CM,
                    CodeGenOpt::Level OL)
-    : TargetMachine(T, TT, CPU, FS, Options) {}
+    : TargetMachine(T, TT, CPU, FS, Options), Subtarget() {}
+private:
+  CPPSubtarget Subtarget;
 
+public:
+  const CPPSubtarget *getSubtargetImpl() const override { return &Subtarget; }
   bool addPassesToEmitFile(PassManagerBase &PM, formatted_raw_ostream &Out,
                            CodeGenFileType FileType, bool DisableVerify,
                            AnalysisID StartAfter,
                            AnalysisID StopAfter) override;
-
-  const DataLayout *getDataLayout() const override { return nullptr; }
 };
 
 extern Target TheCppBackendTarget;