mirror of
https://github.com/RPCS3/llvm.git
synced 2024-12-04 17:58:22 +00:00
e57a400125
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@367758 91177308-0d34-0410-b5e6-96231b3b80d8
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
//===- llvm/unittest/IR/AsmWriter.cpp - AsmWriter tests -------------------===//
|
|
//
|
|
// 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/BinaryFormat/Dwarf.h"
|
|
#include "llvm/IR/DebugInfoMetadata.h"
|
|
#include "llvm/IR/Function.h"
|
|
#include "llvm/IR/IRBuilder.h"
|
|
#include "llvm/IR/LLVMContext.h"
|
|
#include "llvm/IR/MDBuilder.h"
|
|
#include "llvm/IR/Module.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
|
|
TEST(AsmWriterTest, DebugPrintDetachedInstruction) {
|
|
|
|
// PR24852: Ensure that an instruction can be printed even when it
|
|
// has metadata attached but no parent.
|
|
LLVMContext Ctx;
|
|
auto Ty = Type::getInt32Ty(Ctx);
|
|
auto Undef = UndefValue::get(Ty);
|
|
std::unique_ptr<BinaryOperator> Add(BinaryOperator::CreateAdd(Undef, Undef));
|
|
Add->setMetadata(
|
|
"", MDNode::get(Ctx, {ConstantAsMetadata::get(ConstantInt::get(Ty, 1))}));
|
|
std::string S;
|
|
raw_string_ostream OS(S);
|
|
Add->print(OS);
|
|
std::size_t r = OS.str().find("<badref> = add i32 undef, undef, !<empty");
|
|
EXPECT_TRUE(r != std::string::npos);
|
|
}
|
|
|
|
TEST(AsmWriterTest, DebugPrintDetachedArgument) {
|
|
LLVMContext Ctx;
|
|
auto Ty = Type::getInt32Ty(Ctx);
|
|
auto Arg = new Argument(Ty);
|
|
|
|
std::string S;
|
|
raw_string_ostream OS(S);
|
|
Arg->print(OS);
|
|
EXPECT_EQ(S, "i32 <badref>");
|
|
delete Arg;
|
|
}
|
|
|
|
TEST(AsmWriterTest, DumpDIExpression) {
|
|
LLVMContext Ctx;
|
|
uint64_t Ops[] = {
|
|
dwarf::DW_OP_constu, 4,
|
|
dwarf::DW_OP_minus,
|
|
dwarf::DW_OP_deref,
|
|
};
|
|
DIExpression *Expr = DIExpression::get(Ctx, Ops);
|
|
std::string S;
|
|
raw_string_ostream OS(S);
|
|
Expr->print(OS);
|
|
EXPECT_EQ("!DIExpression(DW_OP_constu, 4, DW_OP_minus, DW_OP_deref)",
|
|
OS.str());
|
|
}
|
|
|
|
}
|