Rename llvm.recoverframeallocation to llvm.framerecover

[oota-llvm.git] / lib / CodeGen / DwarfEHPrepare.cpp

diff --git a/lib/CodeGen/DwarfEHPrepare.cpp b/lib/CodeGen/DwarfEHPrepare.cpp
index e02a688e0792fdfd4008a676ce1395e8b78924c8..75b74d9a6c33243a79369f73147750e89e7e1bfb 100644 (file)
--- a/lib/CodeGen/DwarfEHPrepare.cpp
+++ b/lib/CodeGen/DwarfEHPrepare.cpp
@@ -12,7 +12,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "dwarfehprepare"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/IR/CallSite.h"
@@ -24,10 +23,13 @@
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/Pass.h"
 #include "llvm/Target/TargetLowering.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Transforms/Utils/SSAUpdater.h"
 using namespace llvm;
 
+#define DEBUG_TYPE "dwarfehprepare"
+
 STATISTIC(NumResumesLowered, "Number of resume calls lowered");
 
 namespace {
@@ -43,15 +45,20 @@ namespace {
   public:
     static char ID; // Pass identification, replacement for typeid.
     DwarfEHPrepare(const TargetMachine *TM)
-        : FunctionPass(ID), TM(TM), RewindFunction(0) {
+        : FunctionPass(ID), TM(TM), RewindFunction(nullptr) {
       initializeDominatorTreeWrapperPassPass(*PassRegistry::getPassRegistry());
     }
 
-    virtual bool runOnFunction(Function &Fn);
+    bool runOnFunction(Function &Fn) override;
+
+    bool doFinalization(Module &M) override {
+      RewindFunction = nullptr;
+      return false;
+    }
 
-    virtual void getAnalysisUsage(AnalysisUsage &AU) const { }
+    void getAnalysisUsage(AnalysisUsage &AU) const override { }
 
-    const char *getPassName() const {
+    const char *getPassName() const override {
       return "Exception handling preparation";
     }
   };
@@ -68,10 +75,10 @@ FunctionPass *llvm::createDwarfEHPass(const TargetMachine *TM) {
 /// instructions, including the 'resume' instruction.
 Value *DwarfEHPrepare::GetExceptionObject(ResumeInst *RI) {
   Value *V = RI->getOperand(0);
-  Value *ExnObj = 0;
+  Value *ExnObj = nullptr;
   InsertValueInst *SelIVI = dyn_cast<InsertValueInst>(V);
-  LoadInst *SelLoad = 0;
-  InsertValueInst *ExcIVI = 0;
+  LoadInst *SelLoad = nullptr;
+  InsertValueInst *ExcIVI = nullptr;
   bool EraseIVIs = false;
 
   if (SelIVI) {
@@ -117,7 +124,7 @@ bool DwarfEHPrepare::InsertUnwindResumeCalls(Function &Fn) {
     return false;
 
   // Find the rewind function if we didn't already.
-  const TargetLowering *TLI = TM->getTargetLowering();
+  const TargetLowering *TLI = TM->getSubtargetImpl()->getTargetLowering();
   if (!RewindFunction) {
     LLVMContext &Ctx = Resumes[0]->getContext();
     FunctionType *FTy = FunctionType::get(Type::getVoidTy(Ctx),