[opaque pointer types] More trivial changes to pass FunctionType to CallInst.

Change various functions to use FunctionCallee or Function*.

Pass function type through __builtin_dump_struct's dumpRecord helper.

llvm-svn: 353199

clang/lib/CodeGen/CGBuiltin.cpp

@@ -1331,8 +1331,8 @@ EmitCheckedMixedSignMultiply(CodeGenFunction &CGF, const clang::Expr *Op1,
 }
 
 static llvm::Value *dumpRecord(CodeGenFunction &CGF, QualType RType,
-                               Value *&RecordPtr, CharUnits Align, Value *Func,
-                               int Lvl) {
+                               Value *&RecordPtr, CharUnits Align,
+                               llvm::FunctionCallee Func, int Lvl) {
   const auto *RT = RType->getAs<RecordType>();
   ASTContext &Context = CGF.getContext();
   RecordDecl *RD = RT->getDecl()->getDefinition();
@@ -1736,6 +1736,10 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl GD, unsigned BuiltinID,
   }
 
   case Builtin::BI__builtin_dump_struct: {
+    llvm::Type *LLVMIntTy = getTypes().ConvertType(getContext().IntTy);
+    llvm::FunctionType *LLVMFuncType = llvm::FunctionType::get(
+        LLVMIntTy, {llvm::Type::getInt8PtrTy(getLLVMContext())}, true);
+
     Value *Func = EmitScalarExpr(E->getArg(1)->IgnoreImpCasts());
     CharUnits Arg0Align = EmitPointerWithAlignment(E->getArg(0)).getAlignment();
 
@@ -1743,7 +1747,8 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl GD, unsigned BuiltinID,
     QualType Arg0Type = Arg0->getType()->getPointeeType();
 
     Value *RecordPtr = EmitScalarExpr(Arg0);
-    Value *Res = dumpRecord(*this, Arg0Type, RecordPtr, Arg0Align, Func, 0);
+    Value *Res = dumpRecord(*this, Arg0Type, RecordPtr, Arg0Align,
+                            {LLVMFuncType, Func}, 0);
     return RValue::get(Res);
   }
 

clang/lib/CodeGen/CGDecl.cpp

@@ -2201,7 +2201,7 @@ void CodeGenFunction::pushRegularPartialArrayCleanup(llvm::Value *arrayBegin,
 }
 
 /// Lazily declare the @llvm.lifetime.start intrinsic.
-llvm::Constant *CodeGenModule::getLLVMLifetimeStartFn() {
+llvm::Function *CodeGenModule::getLLVMLifetimeStartFn() {
   if (LifetimeStartFn)
     return LifetimeStartFn;
   LifetimeStartFn = llvm::Intrinsic::getDeclaration(&getModule(),
@@ -2210,7 +2210,7 @@ llvm::Constant *CodeGenModule::getLLVMLifetimeStartFn() {
 }
 
 /// Lazily declare the @llvm.lifetime.end intrinsic.
-llvm::Constant *CodeGenModule::getLLVMLifetimeEndFn() {
+llvm::Function *CodeGenModule::getLLVMLifetimeEndFn() {
   if (LifetimeEndFn)
     return LifetimeEndFn;
   LifetimeEndFn = llvm::Intrinsic::getDeclaration(&getModule(),

clang/lib/CodeGen/CGVTables.cpp

@@ -278,7 +278,7 @@ void CodeGenFunction::FinishThunk() {
   FinishFunction();
 }
 
-void CodeGenFunction::EmitCallAndReturnForThunk(llvm::Constant *CalleePtr,
+void CodeGenFunction::EmitCallAndReturnForThunk(llvm::FunctionCallee Callee,
                                                 const ThunkInfo *Thunk,
                                                 bool IsUnprototyped) {
   assert(isa<CXXMethodDecl>(CurGD.getDecl()) &&
@@ -303,7 +303,7 @@ void CodeGenFunction::EmitCallAndReturnForThunk(llvm::Constant *CalleePtr,
         CGM.ErrorUnsupported(
             MD, "non-trivial argument copy for return-adjusting thunk");
     }
-    EmitMustTailThunk(CurGD, AdjustedThisPtr, CalleePtr);
+    EmitMustTailThunk(CurGD, AdjustedThisPtr, Callee);
     return;
   }
 
@@ -354,8 +354,8 @@ void CodeGenFunction::EmitCallAndReturnForThunk(llvm::Constant *CalleePtr,
 
   // Now emit our call.
   llvm::CallBase *CallOrInvoke;
-  CGCallee Callee = CGCallee::forDirect(CalleePtr, CurGD);
-  RValue RV = EmitCall(*CurFnInfo, Callee, Slot, CallArgs, &CallOrInvoke);
+  RValue RV = EmitCall(*CurFnInfo, CGCallee::forDirect(Callee, CurGD), Slot,
+                       CallArgs, &CallOrInvoke);
 
   // Consider return adjustment if we have ThunkInfo.
   if (Thunk && !Thunk->Return.isEmpty())
@@ -375,7 +375,7 @@ void CodeGenFunction::EmitCallAndReturnForThunk(llvm::Constant *CalleePtr,
 
 void CodeGenFunction::EmitMustTailThunk(GlobalDecl GD,
                                         llvm::Value *AdjustedThisPtr,
-                                        llvm::Value *CalleePtr) {
+                                        llvm::FunctionCallee Callee) {
   // Emitting a musttail call thunk doesn't use any of the CGCall.cpp machinery
   // to translate AST arguments into LLVM IR arguments.  For thunks, we know
   // that the caller prototype more or less matches the callee prototype with
@@ -404,14 +404,14 @@ void CodeGenFunction::EmitMustTailThunk(GlobalDecl GD,
 
   // Emit the musttail call manually.  Even if the prologue pushed cleanups, we
   // don't actually want to run them.
-  llvm::CallInst *Call = Builder.CreateCall(CalleePtr, Args);
+  llvm::CallInst *Call = Builder.CreateCall(Callee, Args);
   Call->setTailCallKind(llvm::CallInst::TCK_MustTail);
 
   // Apply the standard set of call attributes.
   unsigned CallingConv;
   llvm::AttributeList Attrs;
-  CGM.ConstructAttributeList(CalleePtr->getName(), *CurFnInfo, GD, Attrs,
-                             CallingConv, /*AttrOnCallSite=*/true);
+  CGM.ConstructAttributeList(Callee.getCallee()->getName(), *CurFnInfo, GD,
+                             Attrs, CallingConv, /*AttrOnCallSite=*/true);
   Call->setAttributes(Attrs);
   Call->setCallingConv(static_cast<llvm::CallingConv::ID>(CallingConv));
 
@@ -449,7 +449,8 @@ void CodeGenFunction::generateThunk(llvm::Function *Fn,
     Callee = llvm::ConstantExpr::getBitCast(Callee, Fn->getType());
 
   // Make the call and return the result.
-  EmitCallAndReturnForThunk(Callee, &Thunk, IsUnprototyped);
+  EmitCallAndReturnForThunk(llvm::FunctionCallee(Fn->getFunctionType(), Callee),
+                            &Thunk, IsUnprototyped);
 }
 
 static bool shouldEmitVTableThunk(CodeGenModule &CGM, const CXXMethodDecl *MD,

clang/lib/CodeGen/CodeGenFunction.h

@@ -1852,14 +1852,14 @@ public:
   void StartThunk(llvm::Function *Fn, GlobalDecl GD,
                   const CGFunctionInfo &FnInfo, bool IsUnprototyped);
 
-  void EmitCallAndReturnForThunk(llvm::Constant *Callee, const ThunkInfo *Thunk,
-                                 bool IsUnprototyped);
+  void EmitCallAndReturnForThunk(llvm::FunctionCallee Callee,
+                                 const ThunkInfo *Thunk, bool IsUnprototyped);
 
   void FinishThunk();
 
   /// Emit a musttail call for a thunk with a potentially adjusted this pointer.
   void EmitMustTailThunk(GlobalDecl GD, llvm::Value *AdjustedThisPtr,
-                         llvm::Value *Callee);
+                         llvm::FunctionCallee Callee);
 
   /// Generate a thunk for the given method.
   void generateThunk(llvm::Function *Fn, const CGFunctionInfo &FnInfo,

clang/lib/CodeGen/CodeGenModule.h

@@ -511,10 +511,10 @@ private:
   } Block;
 
   /// void @llvm.lifetime.start(i64 %size, i8* nocapture <ptr>)
-  llvm::Constant *LifetimeStartFn = nullptr;
+  llvm::Function *LifetimeStartFn = nullptr;
 
   /// void @llvm.lifetime.end(i64 %size, i8* nocapture <ptr>)
-  llvm::Constant *LifetimeEndFn = nullptr;
+  llvm::Function *LifetimeEndFn = nullptr;
 
   GlobalDecl initializedGlobalDecl;
 
@@ -1023,8 +1023,8 @@ public:
 
   ///@}
 
-  llvm::Constant *getLLVMLifetimeStartFn();
-  llvm::Constant *getLLVMLifetimeEndFn();
+  llvm::Function *getLLVMLifetimeStartFn();
+  llvm::Function *getLLVMLifetimeEndFn();
 
   // Make sure that this type is translated.
   void UpdateCompletedType(const TagDecl *TD);

clang/lib/CodeGen/MicrosoftCXXABI.cpp

@@ -1996,7 +1996,7 @@ MicrosoftCXXABI::EmitVirtualMemPtrThunk(const CXXMethodDecl *MD,
   llvm::Value *Callee =
     CGF.Builder.CreateAlignedLoad(VFuncPtr, CGF.getPointerAlign());
 
-  CGF.EmitMustTailThunk(MD, getThisValue(CGF), Callee);
+  CGF.EmitMustTailThunk(MD, getThisValue(CGF), {ThunkTy, Callee});
 
   return ThunkFn;
 }