[NVPTX] Add NewPM boilerplate to NVPTXISelDAGToDAG (#215132)

Author: AlexMaclean

llvm/lib/Target/NVPTX/NVPTX.h

@@ -15,6 +15,8 @@
 #define LLVM_LIB_TARGET_NVPTX_NVPTX_H
 
 #include "llvm/ADT/Bitfields.h"
+#include "llvm/CodeGen/MachineFunctionAnalysisManager.h"
+#include "llvm/CodeGen/SelectionDAGISel.h"
 #include "llvm/IR/PassManager.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/AtomicOrdering.h"
@@ -136,6 +138,11 @@ struct NVPTXTagInvariantLoadsPass
   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
 };
 
+class NVPTXISelDAGToDAGPass : public SelectionDAGISelPass {
+public:
+  NVPTXISelDAGToDAGPass(NVPTXTargetMachine &TM, CodeGenOptLevel OptLevel);
+};
+
 namespace NVPTX {
 enum DrvInterface {
   NVCL,

llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp

@@ -190,6 +190,10 @@ char NVPTXDAGToDAGISelLegacy::ID = 0;
 
 INITIALIZE_PASS(NVPTXDAGToDAGISelLegacy, DEBUG_TYPE, PASS_NAME, false, false)
 
+NVPTXISelDAGToDAGPass::NVPTXISelDAGToDAGPass(NVPTXTargetMachine &TM,
+                                             CodeGenOptLevel OptLevel)
+    : SelectionDAGISelPass(std::make_unique<NVPTXDAGToDAGISel>(TM, OptLevel)) {}
+
 NVPTXDAGToDAGISel::NVPTXDAGToDAGISel(NVPTXTargetMachine &tm,
                                      CodeGenOptLevel OptLevel)
     : SelectionDAGISel(tm, OptLevel), TM(tm) {}

llvm/lib/Target/NVPTX/NVPTXPassRegistry.def

@@ -44,3 +44,9 @@ FUNCTION_PASS("nvptx-mark-kernel-ptrs-global", NVPTXMarkKernelPtrsGlobalPass())
 FUNCTION_PASS("nvptx-tag-invariant-loads", NVPTXTagInvariantLoadsPass())
 FUNCTION_PASS("nvptx-ir-peephole", NVPTXIRPeepholePass())
 #undef FUNCTION_PASS
+
+#ifndef MACHINE_FUNCTION_PASS
+#define MACHINE_FUNCTION_PASS(NAME, CREATE_PASS)
+#endif
+MACHINE_FUNCTION_PASS("nvptx-isel", NVPTXISelDAGToDAGPass(*this, getOptLevel()))
+#undef MACHINE_FUNCTION_PASS