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Add a dummy subtarget to the CPP backend target machine. This will

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allow us to forward all of the standard TargetMachine calls to the
subtarget and still return null as we were before.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214727 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2014-08-04 16:40:55 +00:00
parent 977b978f93
commit 986a9fa1b9
1 changed files with 9 additions and 3 deletions
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12
lib/Target/CppBackend/CPPTargetMachine.h
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@ -16,24 +16,30 @@
#include "llvm/IR/DataLayout.h" #include "llvm/IR/DataLayout.h"
#include "llvm/Target/TargetMachine.h" #include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetSubtargetInfo.h"
namespace llvm { namespace llvm {
class formatted_raw_ostream; class formatted_raw_ostream;
class CPPSubtarget : public TargetSubtargetInfo {
};
struct CPPTargetMachine : public TargetMachine { struct CPPTargetMachine : public TargetMachine {
CPPTargetMachine(const Target &T, StringRef TT, CPPTargetMachine(const Target &T, StringRef TT,
StringRef CPU, StringRef FS, const TargetOptions &Options, StringRef CPU, StringRef FS, const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM, Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL) 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, bool addPassesToEmitFile(PassManagerBase &PM, formatted_raw_ostream &Out,
CodeGenFileType FileType, bool DisableVerify, CodeGenFileType FileType, bool DisableVerify,
AnalysisID StartAfter, AnalysisID StartAfter,
AnalysisID StopAfter) override; AnalysisID StopAfter) override;
const DataLayout *getDataLayout() const override { return nullptr; }
}; };
extern Target TheCppBackendTarget; extern Target TheCppBackendTarget;