| //===----- AbstractCallSiteTest.cpp - AbstractCallSite Unittests ----------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/AsmParser/Parser.h" |
| #include "llvm/IR/AbstractCallSite.h" |
| #include "llvm/IR/Function.h" |
| #include "llvm/IR/Module.h" |
| #include "llvm/Support/SourceMgr.h" |
| #include "gtest/gtest.h" |
| |
| using namespace llvm; |
| |
| static std::unique_ptr<Module> parseIR(LLVMContext &C, const char *IR) { |
| SMDiagnostic Err; |
| std::unique_ptr<Module> Mod = parseAssemblyString(IR, Err, C); |
| if (!Mod) |
| Err.print("AbstractCallSiteTests", errs()); |
| return Mod; |
| } |
| |
| TEST(AbstractCallSite, CallbackCall) { |
| LLVMContext C; |
| |
| const char *IR = |
| "define void @callback(i8* %X, i32* %A) {\n" |
| " ret void\n" |
| "}\n" |
| "define void @foo(i32* %A) {\n" |
| " call void (i32, void (i8*, ...)*, ...) @broker(i32 1, void (i8*, ...)* bitcast (void (i8*, i32*)* @callback to void (i8*, ...)*), i32* %A)\n" |
| " ret void\n" |
| "}\n" |
| "declare !callback !0 void @broker(i32, void (i8*, ...)*, ...)\n" |
| "!0 = !{!1}\n" |
| "!1 = !{i64 1, i64 -1, i1 true}"; |
| |
| std::unique_ptr<Module> M = parseIR(C, IR); |
| ASSERT_TRUE(M); |
| |
| Function *Callback = M->getFunction("callback"); |
| ASSERT_NE(Callback, nullptr); |
| |
| const Use *CallbackUse = Callback->getSingleUndroppableUse(); |
| ASSERT_NE(CallbackUse, nullptr); |
| |
| AbstractCallSite ACS(CallbackUse); |
| EXPECT_TRUE(ACS); |
| EXPECT_TRUE(ACS.isCallbackCall()); |
| EXPECT_TRUE(ACS.isCallee(CallbackUse)); |
| EXPECT_EQ(ACS.getCalledFunction(), Callback); |
| } |