[opaque pointer types] Pass function types to InvokeInst creation.

This cleans up all InvokeInst creation in LLVM to explicitly pass a
function type rather than deriving it from the pointer's element-type.

Differential Revision: https://reviews.llvm.org/D57171

llvm-svn: 352910

llvm/lib/Bitcode/Reader/BitcodeReader.cpp

@@ -4211,7 +4211,8 @@ Error BitcodeReader::parseFunctionBody(Function *F) {
         }
       }
 
-      I = InvokeInst::Create(Callee, NormalBB, UnwindBB, Ops, OperandBundles);
+      I = InvokeInst::Create(FTy, Callee, NormalBB, UnwindBB, Ops,
+                             OperandBundles);
       OperandBundles.clear();
       InstructionList.push_back(I);
       cast<InvokeInst>(I)->setCallingConv(

llvm/lib/IR/IRBuilder.cpp

@@ -83,7 +83,7 @@ static CallInst *createCallHelper(Function *Callee, ArrayRef<Value *> Ops,
   return CI;
 }
 
-static InvokeInst *createInvokeHelper(Value *Invokee, BasicBlock *NormalDest,
+static InvokeInst *createInvokeHelper(Function *Invokee, BasicBlock *NormalDest,
                                       BasicBlock *UnwindDest,
                                       ArrayRef<Value *> Ops,
                                       IRBuilderBase *Builder,

llvm/lib/IR/Instructions.cpp

@@ -711,9 +711,9 @@ InvokeInst *InvokeInst::Create(InvokeInst *II, ArrayRef<OperandBundleDef> OpB,
                                Instruction *InsertPt) {
   std::vector<Value *> Args(II->arg_begin(), II->arg_end());
 
-  auto *NewII = InvokeInst::Create(II->getCalledValue(), II->getNormalDest(),
-                                   II->getUnwindDest(), Args, OpB,
-                                   II->getName(), InsertPt);
+  auto *NewII = InvokeInst::Create(II->getFunctionType(), II->getCalledValue(),
+                                   II->getNormalDest(), II->getUnwindDest(),
+                                   Args, OpB, II->getName(), InsertPt);
   NewII->setCallingConv(II->getCallingConv());
   NewII->SubclassOptionalData = II->SubclassOptionalData;
   NewII->setAttributes(II->getAttributes());

llvm/lib/Transforms/IPO/WholeProgramDevirt.cpp

@@ -936,7 +936,7 @@ void DevirtModule::applyICallBranchFunnel(VTableSlotInfo &SlotInfo,
         NewCS = IRB.CreateCall(NewFT, IRB.CreateBitCast(JT, NewFTPtr), Args);
       else
         NewCS = IRB.CreateInvoke(
-            IRB.CreateBitCast(JT, NewFTPtr),
+            NewFT, IRB.CreateBitCast(JT, NewFTPtr),
             cast<InvokeInst>(CS.getInstruction())->getNormalDest(),
             cast<InvokeInst>(CS.getInstruction())->getUnwindDest(), Args);
       NewCS.setCallingConv(CS.getCallingConv());

llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp

@@ -1724,8 +1724,8 @@ void DFSanVisitor::visitCallSite(CallSite CS) {
 
     CallSite NewCS;
     if (InvokeInst *II = dyn_cast<InvokeInst>(CS.getInstruction())) {
-      NewCS = IRB.CreateInvoke(Func, II->getNormalDest(), II->getUnwindDest(),
-                               Args);
+      NewCS = IRB.CreateInvoke(NewFT, Func, II->getNormalDest(),
+                               II->getUnwindDest(), Args);
     } else {
       NewCS = IRB.CreateCall(NewFT, Func, Args);
     }

llvm/lib/Transforms/Utils/Local.cpp

@@ -1980,8 +1980,9 @@ BasicBlock *llvm::changeToInvokeAndSplitBasicBlock(CallInst *CI,
   // can potentially be avoided with a cleverer API design that we do not have
   // as of this time.
 
-  InvokeInst *II = InvokeInst::Create(CI->getCalledValue(), Split, UnwindEdge,
-                                      InvokeArgs, OpBundles, CI->getName(), BB);
+  InvokeInst *II =
+      InvokeInst::Create(CI->getFunctionType(), CI->getCalledValue(), Split,
+                         UnwindEdge, InvokeArgs, OpBundles, CI->getName(), BB);
   II->setDebugLoc(CI->getDebugLoc());
   II->setCallingConv(CI->getCallingConv());
   II->setAttributes(CI->getAttributes());

llvm/unittests/IR/InstructionsTest.cpp

@@ -565,14 +565,15 @@ TEST(InstructionsTest, AlterCallBundles) {
 TEST(InstructionsTest, AlterInvokeBundles) {
   LLVMContext C;
   Type *Int32Ty = Type::getInt32Ty(C);
-  Type *FnTy = FunctionType::get(Int32Ty, Int32Ty, /*isVarArg=*/false);
+  FunctionType *FnTy = FunctionType::get(Int32Ty, Int32Ty, /*isVarArg=*/false);
   Value *Callee = Constant::getNullValue(FnTy->getPointerTo());
   Value *Args[] = {ConstantInt::get(Int32Ty, 42)};
   std::unique_ptr<BasicBlock> NormalDest(BasicBlock::Create(C));
   std::unique_ptr<BasicBlock> UnwindDest(BasicBlock::Create(C));
   OperandBundleDef OldBundle("before", UndefValue::get(Int32Ty));
-  std::unique_ptr<InvokeInst> Invoke(InvokeInst::Create(
-      Callee, NormalDest.get(), UnwindDest.get(), Args, OldBundle, "result"));
+  std::unique_ptr<InvokeInst> Invoke(
+      InvokeInst::Create(FnTy, Callee, NormalDest.get(), UnwindDest.get(), Args,
+                         OldBundle, "result"));
   AttrBuilder AB;
   AB.addAttribute(Attribute::Cold);
   Invoke->setAttributes(