415 lines
13 KiB
C++
415 lines
13 KiB
C++
|
//===- llvm/unittest/AsmParser/AsmParserTest.cpp - asm parser 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/ADT/StringRef.h"
|
||
|
#include "llvm/AsmParser/Parser.h"
|
||
|
#include "llvm/AsmParser/SlotMapping.h"
|
||
|
#include "llvm/IR/Constants.h"
|
||
|
#include "llvm/IR/DataLayout.h"
|
||
|
#include "llvm/IR/LLVMContext.h"
|
||
|
#include "llvm/IR/Module.h"
|
||
|
#include "llvm/Support/Error.h"
|
||
|
#include "llvm/Support/SourceMgr.h"
|
||
|
#include "gtest/gtest.h"
|
||
|
|
||
|
using namespace llvm;
|
||
|
|
||
|
namespace {
|
||
|
|
||
|
TEST(AsmParserTest, NullTerminatedInput) {
|
||
|
LLVMContext Ctx;
|
||
|
StringRef Source = "; Empty module \n";
|
||
|
SMDiagnostic Error;
|
||
|
auto Mod = parseAssemblyString(Source, Error, Ctx);
|
||
|
|
||
|
EXPECT_TRUE(Mod != nullptr);
|
||
|
EXPECT_TRUE(Error.getMessage().empty());
|
||
|
}
|
||
|
|
||
|
#ifdef GTEST_HAS_DEATH_TEST
|
||
|
#ifndef NDEBUG
|
||
|
|
||
|
TEST(AsmParserTest, NonNullTerminatedInput) {
|
||
|
LLVMContext Ctx;
|
||
|
StringRef Source = "; Empty module \n\1\2";
|
||
|
SMDiagnostic Error;
|
||
|
std::unique_ptr<Module> Mod;
|
||
|
EXPECT_DEATH(Mod = parseAssemblyString(Source.substr(0, Source.size() - 2),
|
||
|
Error, Ctx),
|
||
|
"Buffer is not null terminated!");
|
||
|
}
|
||
|
|
||
|
#endif
|
||
|
#endif
|
||
|
|
||
|
TEST(AsmParserTest, SlotMappingTest) {
|
||
|
LLVMContext Ctx;
|
||
|
StringRef Source = "@0 = global i32 0\n !0 = !{}\n !42 = !{i32 42}";
|
||
|
SMDiagnostic Error;
|
||
|
SlotMapping Mapping;
|
||
|
auto Mod = parseAssemblyString(Source, Error, Ctx, &Mapping);
|
||
|
|
||
|
EXPECT_TRUE(Mod != nullptr);
|
||
|
EXPECT_TRUE(Error.getMessage().empty());
|
||
|
|
||
|
ASSERT_EQ(Mapping.GlobalValues.size(), 1u);
|
||
|
EXPECT_TRUE(isa<GlobalVariable>(Mapping.GlobalValues[0]));
|
||
|
|
||
|
EXPECT_EQ(Mapping.MetadataNodes.size(), 2u);
|
||
|
EXPECT_EQ(Mapping.MetadataNodes.count(0), 1u);
|
||
|
EXPECT_EQ(Mapping.MetadataNodes.count(42), 1u);
|
||
|
EXPECT_EQ(Mapping.MetadataNodes.count(1), 0u);
|
||
|
}
|
||
|
|
||
|
TEST(AsmParserTest, TypeAndConstantValueParsing) {
|
||
|
LLVMContext Ctx;
|
||
|
SMDiagnostic Error;
|
||
|
StringRef Source = "define void @test() {\n entry:\n ret void\n}";
|
||
|
auto Mod = parseAssemblyString(Source, Error, Ctx);
|
||
|
ASSERT_TRUE(Mod != nullptr);
|
||
|
auto &M = *Mod;
|
||
|
|
||
|
const Value *V;
|
||
|
V = parseConstantValue("double 3.5", Error, M);
|
||
|
ASSERT_TRUE(V);
|
||
|
EXPECT_TRUE(V->getType()->isDoubleTy());
|
||
|
ASSERT_TRUE(isa<ConstantFP>(V));
|
||
|
EXPECT_TRUE(cast<ConstantFP>(V)->isExactlyValue(3.5));
|
||
|
|
||
|
V = parseConstantValue("i32 42", Error, M);
|
||
|
ASSERT_TRUE(V);
|
||
|
EXPECT_TRUE(V->getType()->isIntegerTy());
|
||
|
ASSERT_TRUE(isa<ConstantInt>(V));
|
||
|
EXPECT_TRUE(cast<ConstantInt>(V)->equalsInt(42));
|
||
|
|
||
|
V = parseConstantValue("<4 x i32> <i32 0, i32 1, i32 2, i32 3>", Error, M);
|
||
|
ASSERT_TRUE(V);
|
||
|
EXPECT_TRUE(V->getType()->isVectorTy());
|
||
|
ASSERT_TRUE(isa<ConstantDataVector>(V));
|
||
|
|
||
|
V = parseConstantValue("i32 add (i32 1, i32 2)", Error, M);
|
||
|
ASSERT_TRUE(V);
|
||
|
ASSERT_TRUE(isa<ConstantInt>(V));
|
||
|
|
||
|
V = parseConstantValue("ptr blockaddress(@test, %entry)", Error, M);
|
||
|
ASSERT_TRUE(V);
|
||
|
ASSERT_TRUE(isa<BlockAddress>(V));
|
||
|
|
||
|
V = parseConstantValue("ptr undef", Error, M);
|
||
|
ASSERT_TRUE(V);
|
||
|
ASSERT_TRUE(isa<UndefValue>(V));
|
||
|
|
||
|
EXPECT_FALSE(parseConstantValue("duble 3.25", Error, M));
|
||
|
EXPECT_EQ(Error.getMessage(), "expected type");
|
||
|
|
||
|
EXPECT_FALSE(parseConstantValue("i32 3.25", Error, M));
|
||
|
EXPECT_EQ(Error.getMessage(), "floating point constant invalid for type");
|
||
|
|
||
|
EXPECT_FALSE(parseConstantValue("ptr @foo", Error, M));
|
||
|
EXPECT_EQ(Error.getMessage(), "expected a constant value");
|
||
|
|
||
|
EXPECT_FALSE(parseConstantValue("i32 3, ", Error, M));
|
||
|
EXPECT_EQ(Error.getMessage(), "expected end of string");
|
||
|
}
|
||
|
|
||
|
TEST(AsmParserTest, TypeAndConstantValueWithSlotMappingParsing) {
|
||
|
LLVMContext Ctx;
|
||
|
SMDiagnostic Error;
|
||
|
StringRef Source =
|
||
|
"%st = type { i32, i32 }\n"
|
||
|
"@v = common global [50 x %st] zeroinitializer, align 16\n"
|
||
|
"%0 = type { i32, i32, i32, i32 }\n"
|
||
|
"@g = common global [50 x %0] zeroinitializer, align 16\n"
|
||
|
"define void @marker4(i64 %d) {\n"
|
||
|
"entry:\n"
|
||
|
" %conv = trunc i64 %d to i32\n"
|
||
|
" store i32 %conv, ptr getelementptr inbounds "
|
||
|
" ([50 x %st], ptr @v, i64 0, i64 1, i32 0), align 16\n"
|
||
|
" store i32 %conv, ptr getelementptr inbounds "
|
||
|
" ([50 x %0], ptr @g, i64 0, i64 1, i32 0), align 16\n"
|
||
|
" ret void\n"
|
||
|
"}";
|
||
|
SlotMapping Mapping;
|
||
|
auto Mod = parseAssemblyString(Source, Error, Ctx, &Mapping);
|
||
|
ASSERT_TRUE(Mod != nullptr);
|
||
|
auto &M = *Mod;
|
||
|
|
||
|
const Value *V;
|
||
|
V = parseConstantValue("ptr getelementptr inbounds ([50 x %st], ptr "
|
||
|
"@v, i64 0, i64 1, i32 0)",
|
||
|
Error, M, &Mapping);
|
||
|
ASSERT_TRUE(V);
|
||
|
ASSERT_TRUE(isa<ConstantExpr>(V));
|
||
|
|
||
|
V = parseConstantValue("ptr getelementptr inbounds ([50 x %0], ptr "
|
||
|
"@g, i64 0, i64 1, i32 0)",
|
||
|
Error, M, &Mapping);
|
||
|
ASSERT_TRUE(V);
|
||
|
ASSERT_TRUE(isa<ConstantExpr>(V));
|
||
|
}
|
||
|
|
||
|
TEST(AsmParserTest, TypeWithSlotMappingParsing) {
|
||
|
LLVMContext Ctx;
|
||
|
SMDiagnostic Error;
|
||
|
StringRef Source =
|
||
|
"%st = type { i32, i32 }\n"
|
||
|
"@v = common global [50 x %st] zeroinitializer, align 16\n"
|
||
|
"%0 = type { i32, i32, i32, i32 }\n"
|
||
|
"@g = common global [50 x %0] zeroinitializer, align 16\n"
|
||
|
"define void @marker4(i64 %d) {\n"
|
||
|
"entry:\n"
|
||
|
" %conv = trunc i64 %d to i32\n"
|
||
|
" store i32 %conv, ptr getelementptr inbounds "
|
||
|
" ([50 x %st], ptr @v, i64 0, i64 0, i32 0), align 16\n"
|
||
|
" store i32 %conv, ptr getelementptr inbounds "
|
||
|
" ([50 x %0], ptr @g, i64 0, i64 0, i32 0), align 16\n"
|
||
|
" ret void\n"
|
||
|
"}";
|
||
|
SlotMapping Mapping;
|
||
|
auto Mod = parseAssemblyString(Source, Error, Ctx, &Mapping);
|
||
|
ASSERT_TRUE(Mod != nullptr);
|
||
|
auto &M = *Mod;
|
||
|
|
||
|
// Check we properly parse integer types.
|
||
|
Type *Ty;
|
||
|
Ty = parseType("i32", Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isIntegerTy());
|
||
|
ASSERT_TRUE(Ty->getPrimitiveSizeInBits() == 32);
|
||
|
|
||
|
// Check we properly parse integer types with exotic size.
|
||
|
Ty = parseType("i13", Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isIntegerTy());
|
||
|
ASSERT_TRUE(Ty->getPrimitiveSizeInBits() == 13);
|
||
|
|
||
|
// Check we properly parse floating point types.
|
||
|
Ty = parseType("float", Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isFloatTy());
|
||
|
|
||
|
Ty = parseType("double", Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isDoubleTy());
|
||
|
|
||
|
// Check we properly parse struct types.
|
||
|
// Named struct.
|
||
|
Ty = parseType("%st", Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isStructTy());
|
||
|
|
||
|
// Check the details of the struct.
|
||
|
StructType *ST = cast<StructType>(Ty);
|
||
|
ASSERT_TRUE(ST->getNumElements() == 2);
|
||
|
for (unsigned i = 0, e = ST->getNumElements(); i != e; ++i) {
|
||
|
Ty = ST->getElementType(i);
|
||
|
ASSERT_TRUE(Ty->isIntegerTy());
|
||
|
ASSERT_TRUE(Ty->getPrimitiveSizeInBits() == 32);
|
||
|
}
|
||
|
|
||
|
// Anonymous struct.
|
||
|
Ty = parseType("%0", Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isStructTy());
|
||
|
|
||
|
// Check the details of the struct.
|
||
|
ST = cast<StructType>(Ty);
|
||
|
ASSERT_TRUE(ST->getNumElements() == 4);
|
||
|
for (unsigned i = 0, e = ST->getNumElements(); i != e; ++i) {
|
||
|
Ty = ST->getElementType(i);
|
||
|
ASSERT_TRUE(Ty->isIntegerTy());
|
||
|
ASSERT_TRUE(Ty->getPrimitiveSizeInBits() == 32);
|
||
|
}
|
||
|
|
||
|
// Check we properly parse vector types.
|
||
|
Ty = parseType("<5 x i32>", Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isVectorTy());
|
||
|
|
||
|
// Check the details of the vector.
|
||
|
auto *VT = cast<FixedVectorType>(Ty);
|
||
|
ASSERT_TRUE(VT->getNumElements() == 5);
|
||
|
ASSERT_TRUE(VT->getPrimitiveSizeInBits().getFixedValue() == 160);
|
||
|
Ty = VT->getElementType();
|
||
|
ASSERT_TRUE(Ty->isIntegerTy());
|
||
|
ASSERT_TRUE(Ty->getPrimitiveSizeInBits() == 32);
|
||
|
|
||
|
// Opaque struct.
|
||
|
Ty = parseType("%opaque", Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isStructTy());
|
||
|
|
||
|
ST = cast<StructType>(Ty);
|
||
|
ASSERT_TRUE(ST->isOpaque());
|
||
|
|
||
|
// Check we properly parse pointer types.
|
||
|
Ty = parseType("ptr", Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isPointerTy());
|
||
|
|
||
|
// Check that we reject types with garbage.
|
||
|
Ty = parseType("i32 garbage", Error, M, &Mapping);
|
||
|
ASSERT_TRUE(!Ty);
|
||
|
}
|
||
|
|
||
|
TEST(AsmParserTest, TypeAtBeginningWithSlotMappingParsing) {
|
||
|
LLVMContext Ctx;
|
||
|
SMDiagnostic Error;
|
||
|
StringRef Source =
|
||
|
"%st = type { i32, i32 }\n"
|
||
|
"@v = common global [50 x %st] zeroinitializer, align 16\n"
|
||
|
"%0 = type { i32, i32, i32, i32 }\n"
|
||
|
"@g = common global [50 x %0] zeroinitializer, align 16\n"
|
||
|
"define void @marker4(i64 %d) {\n"
|
||
|
"entry:\n"
|
||
|
" %conv = trunc i64 %d to i32\n"
|
||
|
" store i32 %conv, ptr getelementptr inbounds "
|
||
|
" ([50 x %st], ptr @v, i64 0, i64 0, i32 0), align 16\n"
|
||
|
" store i32 %conv, ptr getelementptr inbounds "
|
||
|
" ([50 x %0], ptr @g, i64 0, i64 0, i32 0), align 16\n"
|
||
|
" ret void\n"
|
||
|
"}";
|
||
|
SlotMapping Mapping;
|
||
|
auto Mod = parseAssemblyString(Source, Error, Ctx, &Mapping);
|
||
|
ASSERT_TRUE(Mod != nullptr);
|
||
|
auto &M = *Mod;
|
||
|
unsigned Read;
|
||
|
|
||
|
// Check we properly parse integer types.
|
||
|
Type *Ty;
|
||
|
Ty = parseTypeAtBeginning("i32", Read, Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isIntegerTy());
|
||
|
ASSERT_TRUE(Ty->getPrimitiveSizeInBits() == 32);
|
||
|
ASSERT_TRUE(Read == 3);
|
||
|
|
||
|
// Check we properly parse integer types with exotic size.
|
||
|
Ty = parseTypeAtBeginning("i13", Read, Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isIntegerTy());
|
||
|
ASSERT_TRUE(Ty->getPrimitiveSizeInBits() == 13);
|
||
|
ASSERT_TRUE(Read == 3);
|
||
|
|
||
|
// Check we properly parse floating point types.
|
||
|
Ty = parseTypeAtBeginning("float", Read, Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isFloatTy());
|
||
|
ASSERT_TRUE(Read == 5);
|
||
|
|
||
|
Ty = parseTypeAtBeginning("double", Read, Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isDoubleTy());
|
||
|
ASSERT_TRUE(Read == 6);
|
||
|
|
||
|
// Check we properly parse struct types.
|
||
|
// Named struct.
|
||
|
Ty = parseTypeAtBeginning("%st", Read, Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isStructTy());
|
||
|
ASSERT_TRUE(Read == 3);
|
||
|
|
||
|
// Check the details of the struct.
|
||
|
StructType *ST = cast<StructType>(Ty);
|
||
|
ASSERT_TRUE(ST->getNumElements() == 2);
|
||
|
for (unsigned i = 0, e = ST->getNumElements(); i != e; ++i) {
|
||
|
Ty = ST->getElementType(i);
|
||
|
ASSERT_TRUE(Ty->isIntegerTy());
|
||
|
ASSERT_TRUE(Ty->getPrimitiveSizeInBits() == 32);
|
||
|
}
|
||
|
|
||
|
// Anonymous struct.
|
||
|
Ty = parseTypeAtBeginning("%0", Read, Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isStructTy());
|
||
|
ASSERT_TRUE(Read == 2);
|
||
|
|
||
|
// Check the details of the struct.
|
||
|
ST = cast<StructType>(Ty);
|
||
|
ASSERT_TRUE(ST->getNumElements() == 4);
|
||
|
for (unsigned i = 0, e = ST->getNumElements(); i != e; ++i) {
|
||
|
Ty = ST->getElementType(i);
|
||
|
ASSERT_TRUE(Ty->isIntegerTy());
|
||
|
ASSERT_TRUE(Ty->getPrimitiveSizeInBits() == 32);
|
||
|
}
|
||
|
|
||
|
// Check we properly parse vector types.
|
||
|
Ty = parseTypeAtBeginning("<5 x i32>", Read, Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isVectorTy());
|
||
|
ASSERT_TRUE(Read == 9);
|
||
|
|
||
|
// Check the details of the vector.
|
||
|
auto *VT = cast<FixedVectorType>(Ty);
|
||
|
ASSERT_TRUE(VT->getNumElements() == 5);
|
||
|
ASSERT_TRUE(VT->getPrimitiveSizeInBits().getFixedValue() == 160);
|
||
|
Ty = VT->getElementType();
|
||
|
ASSERT_TRUE(Ty->isIntegerTy());
|
||
|
ASSERT_TRUE(Ty->getPrimitiveSizeInBits() == 32);
|
||
|
|
||
|
// Opaque struct.
|
||
|
Ty = parseTypeAtBeginning("%opaque", Read, Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isStructTy());
|
||
|
ASSERT_TRUE(Read == 7);
|
||
|
|
||
|
ST = cast<StructType>(Ty);
|
||
|
ASSERT_TRUE(ST->isOpaque());
|
||
|
|
||
|
// Check we properly parse pointer types.
|
||
|
// One indirection.
|
||
|
Ty = parseTypeAtBeginning("ptr", Read, Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isPointerTy());
|
||
|
ASSERT_TRUE(Read == 3);
|
||
|
|
||
|
// Check that we reject types with garbage.
|
||
|
Ty = parseTypeAtBeginning("i32 garbage", Read, Error, M, &Mapping);
|
||
|
ASSERT_TRUE(Ty);
|
||
|
ASSERT_TRUE(Ty->isIntegerTy());
|
||
|
ASSERT_TRUE(Ty->getPrimitiveSizeInBits() == 32);
|
||
|
// We go to the next token, i.e., we read "i32" + ' '.
|
||
|
ASSERT_TRUE(Read == 4);
|
||
|
}
|
||
|
|
||
|
TEST(AsmParserTest, InvalidDataLayoutStringCallback) {
|
||
|
LLVMContext Ctx;
|
||
|
SMDiagnostic Error;
|
||
|
// Note the invalid i8:7 part
|
||
|
// Overalign i32 as marker so we can check that indeed this DL was used,
|
||
|
// and not some default.
|
||
|
StringRef InvalidDLStr =
|
||
|
"e-m:e-p:64:64-i8:7-i16:16-i32:64-i64:64-f80:128-n8:16:32:64";
|
||
|
StringRef FixedDLStr =
|
||
|
"e-m:e-p:64:64-i8:8-i16:16-i32:64-i64:64-f80:128-n8:16:32:64";
|
||
|
Expected<DataLayout> ExpectedFixedDL = DataLayout::parse(FixedDLStr);
|
||
|
ASSERT_TRUE(!ExpectedFixedDL.takeError());
|
||
|
DataLayout FixedDL = ExpectedFixedDL.get();
|
||
|
std::string Source = ("target datalayout = \"" + InvalidDLStr + "\"\n").str();
|
||
|
MemoryBufferRef SourceBuffer(Source, "<string>");
|
||
|
|
||
|
// Check that we reject the source without a DL override.
|
||
|
SlotMapping Mapping1;
|
||
|
auto Mod1 = parseAssembly(SourceBuffer, Error, Ctx, &Mapping1);
|
||
|
EXPECT_TRUE(Mod1 == nullptr);
|
||
|
|
||
|
// Check that we pass the correct DL str to the callback,
|
||
|
// that fixing the DL str from the callback works,
|
||
|
// and that the resulting module has the correct DL.
|
||
|
SlotMapping Mapping2;
|
||
|
auto Mod2 = parseAssembly(
|
||
|
SourceBuffer, Error, Ctx, &Mapping2,
|
||
|
[&](StringRef Triple, StringRef DLStr) -> std::optional<std::string> {
|
||
|
EXPECT_EQ(DLStr, InvalidDLStr);
|
||
|
return std::string{FixedDLStr};
|
||
|
});
|
||
|
ASSERT_TRUE(Mod2 != nullptr);
|
||
|
EXPECT_EQ(Mod2->getDataLayout(), FixedDL);
|
||
|
}
|
||
|
|
||
|
} // end anonymous namespace
|