Initializing NVPTX backend within Polly

Summary:
The NVPTX backend is now initialised within Polly. A language front-end need not be modified to initialise the backend, just for Polly.

Reviewers: Meinersbur, grosser

Reviewed By: Meinersbur

Subscribers: vchuravy, mgorny

Tags: #polly

Differential Revision: https://reviews.llvm.org/D31859

llvm-svn: 306649

polly/lib/Support/RegisterPasses.cpp

@@ -36,6 +36,7 @@
 #include "polly/Support/DumpModulePass.h"
 #include "llvm/Analysis/CFGPrinter.h"
 #include "llvm/IR/LegacyPassManager.h"
+#include "llvm/Support/TargetSelect.h"
 #include "llvm/Transforms/IPO.h"
 #include "llvm/Transforms/IPO/PassManagerBuilder.h"
 #include "llvm/Transforms/Scalar.h"
@@ -223,6 +224,10 @@ void initializePollyPasses(PassRegistry &Registry) {
 
 #ifdef GPU_CODEGEN
   initializePPCGCodeGenerationPass(Registry);
+  LLVMInitializeNVPTXTarget();
+  LLVMInitializeNVPTXTargetInfo();
+  LLVMInitializeNVPTXTargetMC();
+  LLVMInitializeNVPTXAsmPrinter();
 #endif
   initializeCodePreparationPass(Registry);
   initializeDeadCodeElimPass(Registry);