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