From d22367559300c77c73e0ad9e193a33451bf8bf6c Mon Sep 17 00:00:00 2001
From: Justin Holewinski <jholewinski@nvidia.com>
Date: Mon, 20 May 2013 16:42:16 +0000
Subject: [PATCH] [NVPTX] Add programmatic interface to NVVMReflect pass

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182297 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/NVPTX/NVPTX.h         |  3 +++
 lib/Target/NVPTX/NVVMReflect.cpp | 24 +++++++++++++++++++++---
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/lib/Target/NVPTX/NVPTX.h b/lib/Target/NVPTX/NVPTX.h
index fa29de8e564..072c65da35c 100644
--- a/lib/Target/NVPTX/NVPTX.h
+++ b/lib/Target/NVPTX/NVPTX.h
@@ -16,6 +16,7 @@
 #define LLVM_TARGET_NVPTX_H
 
 #include "MCTargetDesc/NVPTXBaseInfo.h"
+#include "llvm/ADT/StringMap.h"
 #include "llvm/IR/Module.h"
 #include "llvm/IR/Value.h"
 #include "llvm/Support/ErrorHandling.h"
@@ -63,6 +64,8 @@ FunctionPass *createLowerStructArgsPass(NVPTXTargetMachine &);
 FunctionPass *createNVPTXReMatPass(NVPTXTargetMachine &);
 FunctionPass *createNVPTXReMatBlockPass(NVPTXTargetMachine &);
 ModulePass *createGenericToNVVMPass();
+ModulePass *createNVVMReflectPass();
+ModulePass *createNVVMReflectPass(const StringMap<int>& Mapping);
 
 bool isImageOrSamplerVal(const Value *, const Module *);
 
diff --git a/lib/Target/NVPTX/NVVMReflect.cpp b/lib/Target/NVPTX/NVVMReflect.cpp
index 0ad62ce39b0..3cc324b85e3 100644
--- a/lib/Target/NVPTX/NVVMReflect.cpp
+++ b/lib/Target/NVPTX/NVVMReflect.cpp
@@ -14,6 +14,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "NVPTX.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringMap.h"
@@ -40,7 +41,7 @@ using namespace llvm;
 namespace llvm { void initializeNVVMReflectPass(PassRegistry &); }
 
 namespace {
-class LLVM_LIBRARY_VISIBILITY NVVMReflect : public ModulePass {
+class NVVMReflect : public ModulePass {
 private:
   StringMap<int> VarMap;
   typedef DenseMap<std::string, int>::iterator VarMapIter;
@@ -48,9 +49,18 @@ private:
 
 public:
   static char ID;
-  NVVMReflect() : ModulePass(ID) {
+  NVVMReflect() : ModulePass(ID), ReflectFunction(0) {
+    initializeNVVMReflectPass(*PassRegistry::getPassRegistry());
     VarMap.clear();
-    ReflectFunction = 0;
+  }
+
+  NVVMReflect(const StringMap<int> &Mapping)
+  : ModulePass(ID), ReflectFunction(0) {
+    initializeNVVMReflectPass(*PassRegistry::getPassRegistry());
+    for (StringMap<int>::const_iterator I = Mapping.begin(), E = Mapping.end();
+         I != E; ++I) {
+      VarMap[(*I).getKey()] = (*I).getValue();
+    }
   }
 
   void getAnalysisUsage(AnalysisUsage &AU) const { AU.setPreservesAll(); }
@@ -60,6 +70,14 @@ public:
 };
 }
 
+ModulePass *llvm::createNVVMReflectPass() {
+  return new NVVMReflect();
+}
+
+ModulePass *llvm::createNVVMReflectPass(const StringMap<int>& Mapping) {
+  return new NVVMReflect(Mapping);
+}
+
 static cl::opt<bool>
 NVVMReflectEnabled("nvvm-reflect-enable", cl::init(true),
                    cl::desc("NVVM reflection, enabled by default"));