forked from OSchip/llvm-project
56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
//===----- 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);
|
|
}
|