diff options
Diffstat (limited to 'lib/CodeGen/CodeGenFunction.cpp')
-rw-r--r-- | lib/CodeGen/CodeGenFunction.cpp | 40 |
1 files changed, 1 insertions, 39 deletions
diff --git a/lib/CodeGen/CodeGenFunction.cpp b/lib/CodeGen/CodeGenFunction.cpp index 5e5e2a49cc..eb6c4361be 100644 --- a/lib/CodeGen/CodeGenFunction.cpp +++ b/lib/CodeGen/CodeGenFunction.cpp @@ -36,7 +36,7 @@ CodeGenFunction::CodeGenFunction(CodeGenModule &cgm) DidCallStackSave(false), UnreachableBlock(0), CXXThisDecl(0), CXXThisValue(0), CXXVTTDecl(0), CXXVTTValue(0), ConditionalBranchLevel(0), TerminateLandingPad(0), TerminateHandler(0), - TrapBB(0), ThrowLengthErrorBB(0) { + TrapBB(0) { // Get some frequently used types. LLVMPointerWidth = Target.getPointerWidth(0); @@ -155,13 +155,6 @@ void CodeGenFunction::FinishFunction(SourceLocation EndLoc) { Builder.ClearInsertionPoint(); } - // If someone called operator new[] and needs a throw_length_error block, emit - // it at the end of the function. - if (ThrowLengthErrorBB) { - EmitBlock(ThrowLengthErrorBB); - Builder.ClearInsertionPoint(); - } - // Remove the AllocaInsertPt instruction, which is just a convenience for us. llvm::Instruction *Ptr = AllocaInsertPt; AllocaInsertPt = 0; @@ -185,37 +178,6 @@ void CodeGenFunction::FinishFunction(SourceLocation EndLoc) { EmitDeclMetadata(); } -/// getThrowLengthErrorBB - Create a basic block that will call -/// std::__throw_length_error to throw a std::length_error exception. -llvm::BasicBlock *CodeGenFunction::getThrowLengthErrorBB() { - if (ThrowLengthErrorBB) return ThrowLengthErrorBB; - - llvm::IRBuilder<>::InsertPoint SavedIP = Builder.saveIP(); - - ThrowLengthErrorBB = createBasicBlock("throw_length_error"); - Builder.SetInsertPoint(ThrowLengthErrorBB); - - // Call to void std::__throw_length_error("length_error"); - const llvm::Type *ResultType = Builder.getVoidTy(); - const llvm::Type *PtrToInt8Ty = Builder.getInt8PtrTy(); - std::vector<const llvm::Type*> ArgTys(1, PtrToInt8Ty); - llvm::Constant *Fn = - CGM.CreateRuntimeFunction(llvm::FunctionType::get(ResultType, ArgTys, false), - "_ZSt20__throw_length_errorPKc"); - - llvm::Value *C = CGM.GetAddrOfConstantCString("length_error"); - C = Builder.CreateStructGEP(C, 0, "arraydecay"); - llvm::CallInst *TheCall = Builder.CreateCall(Fn, C); - TheCall->setDoesNotReturn(); - - Builder.CreateUnreachable(); - - - Builder.restoreIP(SavedIP); - return ThrowLengthErrorBB; -} - - /// ShouldInstrumentFunction - Return true if the current function should be /// instrumented with __cyg_profile_func_* calls bool CodeGenFunction::ShouldInstrumentFunction() { |