Auto-registrate target

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14745 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 11 insertions, 0 deletions

diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index 1f6b900597..2cdf30f0d6 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -27,6 +27,7 @@
 #include "llvm/Analysis/LoopInfo.h"
 #include "llvm/CodeGen/IntrinsicLowering.h"
 #include "llvm/Transforms/Scalar.h"
+#include "llvm/Target/TargetMachineRegistry.h"
 #include "llvm/Support/CallSite.h"
 #include "llvm/Support/CFG.h"
 #include "llvm/Support/GetElementPtrTypeIterator.h"
@@ -40,6 +41,9 @@
 using namespace llvm;
 
 namespace {
+  // Register the target.
+  RegisterTarget<CTargetMachine> X("c", "C backend");
+
   /// NameAllUsedStructs - This pass inserts names for any unnamed structure
   /// types that are used by the program.
   ///
diff --git a/lib/Target/CBackend/CTargetMachine.h b/lib/Target/CBackend/CTargetMachine.h
index 97f880d2fd..aa672fc6ca 100644
--- a/lib/Target/CBackend/CTargetMachine.h
+++ b/lib/Target/CBackend/CTargetMachine.h
@@ -25,6 +25,9 @@ struct CTargetMachine : public TargetMachine {
 
   // This is the only thing that actually does anything here.
   virtual bool addPassesToEmitAssembly(PassManager &PM, std::ostream &Out);
+
+  // This class always works, but shouldn't be the default in most cases.
+  static unsigned getModuleMatchQuality(const Module &M) { return 1; }
 };
 
 } // End llvm namespace
diff --git a/lib/Target/CBackend/Writer.cpp b/lib/Target/CBackend/Writer.cpp
index 1f6b900597..2cdf30f0d6 100644
--- a/lib/Target/CBackend/Writer.cpp
+++ b/lib/Target/CBackend/Writer.cpp
@@ -27,6 +27,7 @@
 #include "llvm/Analysis/LoopInfo.h"
 #include "llvm/CodeGen/IntrinsicLowering.h"
 #include "llvm/Transforms/Scalar.h"
+#include "llvm/Target/TargetMachineRegistry.h"
 #include "llvm/Support/CallSite.h"
 #include "llvm/Support/CFG.h"
 #include "llvm/Support/GetElementPtrTypeIterator.h"
@@ -40,6 +41,9 @@
 using namespace llvm;
 
 namespace {
+  // Register the target.
+  RegisterTarget<CTargetMachine> X("c", "C backend");
+
   /// NameAllUsedStructs - This pass inserts names for any unnamed structure
   /// types that are used by the program.
   ///