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50 lines
1.9 KiB
C++
50 lines
1.9 KiB
C++
//===- LazyEmittingLayerTest.cpp - Unit tests for the lazy emitting layer -===//
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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/ExecutionEngine/Orc/IndirectionUtils.h"
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#include "OrcTestCommon.h"
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#include "llvm/ADT/SmallVector.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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TEST(IndirectionUtilsTest, MakeStub) {
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LLVMContext Context;
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ModuleBuilder MB(Context, "x86_64-apple-macosx10.10", "");
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FunctionType *FTy = FunctionType::get(
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Type::getVoidTy(Context),
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{getDummyStructTy(Context), getDummyStructTy(Context)}, false);
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Function *F = MB.createFunctionDecl(FTy, "");
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AttributeSet FnAttrs = AttributeSet::get(
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Context, AttrBuilder().addAttribute(Attribute::NoUnwind));
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AttributeSet RetAttrs; // None
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AttributeSet ArgAttrs[2] = {
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AttributeSet::get(Context,
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AttrBuilder().addAttribute(Attribute::StructRet)),
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AttributeSet::get(Context, AttrBuilder().addAttribute(Attribute::ByVal)),
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};
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F->setAttributes(AttributeList::get(Context, FnAttrs, RetAttrs, ArgAttrs));
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auto ImplPtr = orc::createImplPointer(*F->getType(), *MB.getModule(), "", nullptr);
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orc::makeStub(*F, *ImplPtr);
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auto II = F->getEntryBlock().begin();
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EXPECT_TRUE(isa<LoadInst>(*II)) << "First instruction of stub should be a load.";
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auto *Call = dyn_cast<CallInst>(std::next(II));
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EXPECT_TRUE(Call != nullptr) << "Second instruction of stub should be a call.";
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EXPECT_TRUE(Call->isTailCall()) << "Indirect call from stub should be tail call.";
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EXPECT_TRUE(Call->hasStructRetAttr())
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<< "makeStub should propagate sret attr on 1st argument.";
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EXPECT_TRUE(Call->paramHasAttr(1U, Attribute::ByVal))
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<< "makeStub should propagate byval attr on 2nd argument.";
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}
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}
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