| 1 | //===----- AbstractCallSiteTest.cpp - AbstractCallSite Unittests ----------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "llvm/AsmParser/Parser.h" |
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| 10 | #include "llvm/IR/AbstractCallSite.h" |
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| 11 | #include "llvm/IR/Function.h" |
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| 12 | #include "llvm/IR/Module.h" |
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| 13 | #include "llvm/Support/SourceMgr.h" |
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| 14 | #include "gtest/gtest.h" |
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| 15 | |
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| 16 | using namespace llvm; |
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| 17 | |
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| 18 | static std::unique_ptr<Module> parseIR(LLVMContext &C, const char *IR) { |
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| 19 | SMDiagnostic Err; |
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| 20 | std::unique_ptr<Module> Mod = parseAssemblyString(AsmString: IR, Err, Context&: C); |
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| 21 | if (!Mod) |
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| 22 | Err.print(ProgName: "AbstractCallSiteTests" , S&: errs()); |
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| 23 | return Mod; |
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| 24 | } |
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| 25 | |
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| 26 | TEST(AbstractCallSite, CallbackCall) { |
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| 27 | LLVMContext C; |
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| 28 | |
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| 29 | const char *IR = |
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| 30 | "define void @callback(i8* %X, i32* %A) {\n" |
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| 31 | " ret void\n" |
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| 32 | "}\n" |
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| 33 | "define void @foo(i32* %A) {\n" |
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| 34 | " 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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| 35 | " ret void\n" |
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| 36 | "}\n" |
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| 37 | "declare !callback !0 void @broker(i32, void (i8*, ...)*, ...)\n" |
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| 38 | "!0 = !{!1}\n" |
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| 39 | "!1 = !{i64 1, i64 -1, i1 true}" ; |
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| 40 | |
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| 41 | std::unique_ptr<Module> M = parseIR(C, IR); |
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| 42 | ASSERT_TRUE(M); |
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| 43 | |
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| 44 | Function *Callback = M->getFunction(Name: "callback" ); |
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| 45 | ASSERT_NE(Callback, nullptr); |
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| 46 | |
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| 47 | const Use *CallbackUse = Callback->getSingleUndroppableUse(); |
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| 48 | ASSERT_NE(CallbackUse, nullptr); |
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| 49 | |
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| 50 | AbstractCallSite ACS(CallbackUse); |
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| 51 | EXPECT_TRUE(ACS); |
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| 52 | EXPECT_TRUE(ACS.isCallbackCall()); |
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| 53 | EXPECT_TRUE(ACS.isCallee(CallbackUse)); |
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| 54 | EXPECT_EQ(ACS.getCalledFunction(), Callback); |
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| 55 | } |
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| 56 | |
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