================ @@ -4869,6 +4869,73 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl GD, unsigned BuiltinID, case Builtin::BI__iso_volatile_store64: return RValue::get(EmitISOVolatileStore(*this, E)); + case Builtin::BI__builtin_ptrauth_auth: + case Builtin::BI__builtin_ptrauth_auth_and_resign: + case Builtin::BI__builtin_ptrauth_blend_discriminator: + case Builtin::BI__builtin_ptrauth_sign_generic_data: + case Builtin::BI__builtin_ptrauth_sign_unauthenticated: + case Builtin::BI__builtin_ptrauth_strip: { + // Emit the arguments. + SmallVector<llvm::Value*, 5> args; + for (auto argExpr : E->arguments()) + args.push_back(EmitScalarExpr(argExpr)); + + // Cast the value to intptr_t, saving its original type. + llvm::Type *origValueType = args[0]->getType(); + if (origValueType->isPointerTy()) + args[0] = Builder.CreatePtrToInt(args[0], IntPtrTy); + + switch (BuiltinID) { + case Builtin::BI__builtin_ptrauth_auth_and_resign: + if (args[4]->getType()->isPointerTy()) + args[4] = Builder.CreatePtrToInt(args[4], IntPtrTy); + LLVM_FALLTHROUGH; + + case Builtin::BI__builtin_ptrauth_auth: + case Builtin::BI__builtin_ptrauth_sign_unauthenticated: + if (args[2]->getType()->isPointerTy()) + args[2] = Builder.CreatePtrToInt(args[2], IntPtrTy); + break; + + case Builtin::BI__builtin_ptrauth_sign_generic_data: + if (args[1]->getType()->isPointerTy()) + args[1] = Builder.CreatePtrToInt(args[1], IntPtrTy); + break; + + case Builtin::BI__builtin_ptrauth_blend_discriminator: + case Builtin::BI__builtin_ptrauth_strip: + break; + } + + // Call the intrinsic. + auto intrinsicID = [&]() -> unsigned { + switch (BuiltinID) { + case Builtin::BI__builtin_ptrauth_auth: + return llvm::Intrinsic::ptrauth_auth; + case Builtin::BI__builtin_ptrauth_auth_and_resign: + return llvm::Intrinsic::ptrauth_resign; + case Builtin::BI__builtin_ptrauth_blend_discriminator: + return llvm::Intrinsic::ptrauth_blend; + case Builtin::BI__builtin_ptrauth_sign_generic_data: + return llvm::Intrinsic::ptrauth_sign_generic; + case Builtin::BI__builtin_ptrauth_sign_unauthenticated: + return llvm::Intrinsic::ptrauth_sign; + case Builtin::BI__builtin_ptrauth_strip: + return llvm::Intrinsic::ptrauth_strip; + } + llvm_unreachable("bad ptrauth intrinsic"); + }(); + auto intrinsic = CGM.getIntrinsic(intrinsicID); + llvm::Value *result = EmitRuntimeCall(intrinsic, args); + + if (BuiltinID != Builtin::BI__builtin_ptrauth_sign_generic_data && + BuiltinID != Builtin::BI__builtin_ptrauth_blend_discriminator && + origValueType->isPointerTy()) { + result = Builder.CreateIntToPtr(result, origValueType); + } + return RValue::get(result); + } + ---------------- rjmccall wrote:
The codebase is generally inconsistent about this, but we've been moving towards lowercasing leading letters of methods in new code. https://github.com/llvm/llvm-project/pull/65996 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits