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SandboxIRTest.cpp
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//===- SandboxIRTest.cpp --------------------------------------------------===//
//
// 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/SandboxIR/SandboxIR.h"
#include "llvm/AsmParser/Parser.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/SourceMgr.h"
#include "gmock/gmock-matchers.h"
#include "gtest/gtest.h"
using namespace llvm;
struct SandboxIRTest : public testing::Test {
LLVMContext C;
std::unique_ptr<Module> M;
void parseIR(LLVMContext &C, const char *IR) {
SMDiagnostic Err;
M = parseAssemblyString(IR, Err, C);
if (!M)
Err.print("SandboxIRTest", errs());
}
BasicBlock *getBasicBlockByName(Function &F, StringRef Name) {
for (BasicBlock &BB : F)
if (BB.getName() == Name)
return &BB;
llvm_unreachable("Expected to find basic block!");
}
};
TEST_F(SandboxIRTest, ClassID) {
parseIR(C, R"IR(
define void @foo(i32 %v1) {
%add = add i32 %v1, 42
ret void
}
)IR");
llvm::Function *LLVMF = &*M->getFunction("foo");
llvm::BasicBlock *LLVMBB = &*LLVMF->begin();
llvm::Instruction *LLVMAdd = &*LLVMBB->begin();
auto *LLVMC = cast<llvm::Constant>(LLVMAdd->getOperand(1));
sandboxir::Context Ctx(C);
sandboxir::Function *F = Ctx.createFunction(LLVMF);
sandboxir::Argument *Arg0 = F->getArg(0);
sandboxir::BasicBlock *BB = &*F->begin();
sandboxir::Instruction *AddI = &*BB->begin();
sandboxir::Constant *Const0 = cast<sandboxir::Constant>(Ctx.getValue(LLVMC));
EXPECT_TRUE(isa<sandboxir::Function>(F));
EXPECT_FALSE(isa<sandboxir::Function>(Arg0));
EXPECT_FALSE(isa<sandboxir::Function>(BB));
EXPECT_FALSE(isa<sandboxir::Function>(AddI));
EXPECT_FALSE(isa<sandboxir::Function>(Const0));
EXPECT_FALSE(isa<sandboxir::Argument>(F));
EXPECT_TRUE(isa<sandboxir::Argument>(Arg0));
EXPECT_FALSE(isa<sandboxir::Argument>(BB));
EXPECT_FALSE(isa<sandboxir::Argument>(AddI));
EXPECT_FALSE(isa<sandboxir::Argument>(Const0));
EXPECT_TRUE(isa<sandboxir::Constant>(F));
EXPECT_FALSE(isa<sandboxir::Constant>(Arg0));
EXPECT_FALSE(isa<sandboxir::Constant>(BB));
EXPECT_FALSE(isa<sandboxir::Constant>(AddI));
EXPECT_TRUE(isa<sandboxir::Constant>(Const0));
EXPECT_FALSE(isa<sandboxir::OpaqueInst>(F));
EXPECT_FALSE(isa<sandboxir::OpaqueInst>(Arg0));
EXPECT_FALSE(isa<sandboxir::OpaqueInst>(BB));
EXPECT_FALSE(isa<sandboxir::OpaqueInst>(AddI));
EXPECT_FALSE(isa<sandboxir::OpaqueInst>(Const0));
EXPECT_FALSE(isa<sandboxir::Instruction>(F));
EXPECT_FALSE(isa<sandboxir::Instruction>(Arg0));
EXPECT_FALSE(isa<sandboxir::Instruction>(BB));
EXPECT_TRUE(isa<sandboxir::Instruction>(AddI));
EXPECT_FALSE(isa<sandboxir::Instruction>(Const0));
EXPECT_TRUE(isa<sandboxir::User>(F));
EXPECT_FALSE(isa<sandboxir::User>(Arg0));
EXPECT_FALSE(isa<sandboxir::User>(BB));
EXPECT_TRUE(isa<sandboxir::User>(AddI));
EXPECT_TRUE(isa<sandboxir::User>(Const0));
#ifndef NDEBUG
std::string Buff;
raw_string_ostream BS(Buff);
F->dumpOS(BS);
Arg0->dumpOS(BS);
BB->dumpOS(BS);
AddI->dumpOS(BS);
Const0->dumpOS(BS);
#endif
}
TEST_F(SandboxIRTest, ConstantInt) {
parseIR(C, R"IR(
define void @foo(i32 %v0) {
%add0 = add i32 %v0, 42
ret void
}
)IR");
Function &LLVMF = *M->getFunction("foo");
auto *LLVMBB = &*LLVMF.begin();
auto *LLVMAdd0 = &*LLVMBB->begin();
auto *LLVMFortyTwo = cast<llvm::ConstantInt>(LLVMAdd0->getOperand(1));
sandboxir::Context Ctx(C);
auto &F = *Ctx.createFunction(&LLVMF);
auto &BB = *F.begin();
auto It = BB.begin();
auto *Add0 = cast<sandboxir::BinaryOperator>(&*It++);
auto *FortyTwo = cast<sandboxir::ConstantInt>(Add0->getOperand(1));
// Check that creating an identical constant gives us the same object.
auto *NewCI =
sandboxir::ConstantInt::get(sandboxir::Type::getInt32Ty(Ctx), 42);
EXPECT_EQ(NewCI, FortyTwo);
{
// Check getTrue(Ctx).
auto *True = sandboxir::ConstantInt::getTrue(Ctx);
EXPECT_EQ(True, Ctx.getValue(llvm::ConstantInt::getTrue(C)));
// Check getFalse(Ctx).
auto *False = sandboxir::ConstantInt::getFalse(Ctx);
EXPECT_EQ(False, Ctx.getValue(llvm::ConstantInt::getFalse(C)));
// Check getBool(Ctx).
auto *Bool = sandboxir::ConstantInt::getBool(Ctx, true);
EXPECT_EQ(Bool, Ctx.getValue(llvm::ConstantInt::getBool(C, true)));
}
{
auto *Int1Ty = sandboxir::Type::getInt1Ty(Ctx);
auto *LLVMInt1Ty = llvm::Type::getInt1Ty(C);
// Check getTrue(Ty).
auto *True = sandboxir::ConstantInt::getTrue(Int1Ty);
EXPECT_EQ(True, Ctx.getValue(llvm::ConstantInt::getTrue(LLVMInt1Ty)));
// Check getFalse(Ty).
auto *False = sandboxir::ConstantInt::getFalse(Int1Ty);
EXPECT_EQ(False, Ctx.getValue(llvm::ConstantInt::getFalse(LLVMInt1Ty)));
// Check getBool(Ty).
auto *Bool = sandboxir::ConstantInt::getBool(Int1Ty, true);
EXPECT_EQ(Bool, Ctx.getValue(llvm::ConstantInt::getBool(LLVMInt1Ty, true)));
}
auto *Int32Ty = sandboxir::Type::getInt32Ty(Ctx);
auto *LLVMInt32Ty = llvm::Type::getInt32Ty(C);
{
// Check get(Type, V).
auto *FortyThree = sandboxir::ConstantInt::get(Int32Ty, 43);
auto *LLVMFortyThree = llvm::ConstantInt::get(LLVMInt32Ty, 43);
EXPECT_NE(FortyThree, FortyTwo);
EXPECT_EQ(FortyThree, Ctx.getValue(LLVMFortyThree));
}
{
// Check get(Type, V, IsSigned).
auto *FortyThree =
sandboxir::ConstantInt::get(Int32Ty, 43, /*IsSigned=*/true);
auto *LLVMFortyThree =
llvm::ConstantInt::get(LLVMInt32Ty, 43, /*IsSigned=*/true);
EXPECT_NE(FortyThree, FortyTwo);
EXPECT_EQ(FortyThree, Ctx.getValue(LLVMFortyThree));
}
{
// Check get(IntegerType, V).
auto *FortyThree =
sandboxir::ConstantInt::get(sandboxir::IntegerType::get(Ctx, 32), 43);
auto *LLVMFortyThree =
llvm::ConstantInt::get(llvm::IntegerType::get(C, 32), 43);
EXPECT_NE(FortyThree, FortyTwo);
EXPECT_EQ(FortyThree, Ctx.getValue(LLVMFortyThree));
}
{
// Check get(IntegerType, V, IsSigned).
auto *FortyThree = sandboxir::ConstantInt::get(
sandboxir::IntegerType::get(Ctx, 32), 43, /*IsSigned=*/true);
auto *LLVMFortyThree = llvm::ConstantInt::get(llvm::IntegerType::get(C, 32),
43, /*IsSigned=*/true);
EXPECT_NE(FortyThree, FortyTwo);
EXPECT_EQ(FortyThree, Ctx.getValue(LLVMFortyThree));
}
{
// Check getSigned(IntegerType, V).
auto *FortyThree = sandboxir::ConstantInt::getSigned(
sandboxir::IntegerType::get(Ctx, 32), 43);
auto *LLVMFortyThree =
llvm::ConstantInt::getSigned(llvm::IntegerType::get(C, 32), 43);
EXPECT_NE(FortyThree, FortyTwo);
EXPECT_EQ(FortyThree, Ctx.getValue(LLVMFortyThree));
}
{
// Check getSigned(Type, V).
auto *FortyThree = sandboxir::ConstantInt::getSigned(Int32Ty, 43);
auto *LLVMFortyThree = llvm::ConstantInt::getSigned(LLVMInt32Ty, 43);
EXPECT_NE(FortyThree, FortyTwo);
EXPECT_EQ(FortyThree, Ctx.getValue(LLVMFortyThree));
}
{
// Check get(Ctx, APInt).
APInt APInt43(32, 43);
auto *FortyThree = sandboxir::ConstantInt::get(Ctx, APInt43);
auto *LLVMFortyThree = llvm::ConstantInt::get(C, APInt43);
EXPECT_NE(FortyThree, FortyTwo);
EXPECT_EQ(FortyThree, Ctx.getValue(LLVMFortyThree));
}
{
// Check get(Ty, Str, Radix).
StringRef Str("43");
uint8_t Radix(10);
auto *FortyThree = sandboxir::ConstantInt::get(
sandboxir::IntegerType::get(Ctx, 32), Str, Radix);
auto *LLVMFortyThree =
llvm::ConstantInt::get(llvm::IntegerType::get(C, 32), Str, Radix);
EXPECT_NE(FortyThree, FortyTwo);
EXPECT_EQ(FortyThree, Ctx.getValue(LLVMFortyThree));
}
{
// Check get(Ty, APInt).
APInt APInt43(32, 43);
auto *FortyThree = sandboxir::ConstantInt::get(Int32Ty, APInt43);
auto *LLVMFortyThree = llvm::ConstantInt::get(LLVMInt32Ty, APInt43);
EXPECT_NE(FortyThree, FortyTwo);
EXPECT_EQ(FortyThree, Ctx.getValue(LLVMFortyThree));
}
// Check getValue().
EXPECT_EQ(FortyTwo->getValue(), LLVMFortyTwo->getValue());
// Check getBitWidth().
EXPECT_EQ(FortyTwo->getBitWidth(), LLVMFortyTwo->getBitWidth());
// Check getZExtValue().
EXPECT_EQ(FortyTwo->getZExtValue(), LLVMFortyTwo->getZExtValue());
// Check getSExtValue().
EXPECT_EQ(FortyTwo->getSExtValue(), LLVMFortyTwo->getSExtValue());
// Check getMaybeAlignValue().
auto *SixtyFour =
cast<sandboxir::ConstantInt>(sandboxir::ConstantInt::get(Int32Ty, 64));
auto *LLVMSixtyFour =
cast<llvm::ConstantInt>(llvm::ConstantInt::get(LLVMInt32Ty, 64));
EXPECT_EQ(SixtyFour->getMaybeAlignValue(),
LLVMSixtyFour->getMaybeAlignValue());
// Check getAlignValue().
EXPECT_EQ(SixtyFour->getAlignValue(), LLVMSixtyFour->getAlignValue());
// Check equalsInt().
EXPECT_TRUE(FortyTwo->equalsInt(42));
EXPECT_FALSE(FortyTwo->equalsInt(43));
// Check getIntegerType().
EXPECT_EQ(FortyTwo->getIntegerType(), sandboxir::IntegerType::get(Ctx, 32));
// Check isValueValidForType().
EXPECT_TRUE(
sandboxir::ConstantInt::isValueValidForType(Int32Ty, (uint64_t)42));
EXPECT_TRUE(
sandboxir::ConstantInt::isValueValidForType(Int32Ty, (int64_t)42));
// Check isNegative().
EXPECT_FALSE(FortyTwo->isNegative());
EXPECT_TRUE(sandboxir::ConstantInt::get(Int32Ty, -42));
// Check isZero().
EXPECT_FALSE(FortyTwo->isZero());
EXPECT_TRUE(sandboxir::ConstantInt::get(Int32Ty, 0)->isZero());
// Check isOne().
EXPECT_FALSE(FortyTwo->isOne());
EXPECT_TRUE(sandboxir::ConstantInt::get(Int32Ty, 1)->isOne());
// Check isMinusOne().
EXPECT_FALSE(FortyTwo->isMinusOne());
EXPECT_TRUE(sandboxir::ConstantInt::get(Int32Ty, -1)->isMinusOne());
// Check isMaxValue().
EXPECT_FALSE(FortyTwo->isMaxValue(/*Signed=*/true));
EXPECT_TRUE(
sandboxir::ConstantInt::get(Int32Ty, std::numeric_limits<int32_t>::max())
->isMaxValue(/*Signed=*/true));
// Check isMinValue().
EXPECT_FALSE(FortyTwo->isMinValue(/*Signed=*/true));
EXPECT_TRUE(
sandboxir::ConstantInt::get(Int32Ty, std::numeric_limits<int32_t>::min())
->isMinValue(/*Signed=*/true));
// Check uge().
EXPECT_TRUE(FortyTwo->uge(41));
EXPECT_FALSE(FortyTwo->uge(43));
// Check getLimitedValue().
EXPECT_EQ(FortyTwo->getLimitedValue(40u), 40u);
EXPECT_EQ(FortyTwo->getLimitedValue(50u), 42u);
}
TEST_F(SandboxIRTest, ConstantFP) {
parseIR(C, R"IR(
define void @foo(float %v0, double %v1) {
%fadd0 = fadd float %v0, 42.0
%fadd1 = fadd double %v1, 43.0
ret void
}
)IR");
Function &LLVMF = *M->getFunction("foo");
sandboxir::Context Ctx(C);
auto &F = *Ctx.createFunction(&LLVMF);
auto &BB = *F.begin();
auto It = BB.begin();
auto *FAdd0 = cast<sandboxir::BinaryOperator>(&*It++);
auto *FAdd1 = cast<sandboxir::BinaryOperator>(&*It++);
auto *FortyTwo = cast<sandboxir::ConstantFP>(FAdd0->getOperand(1));
[[maybe_unused]] auto *FortyThree =
cast<sandboxir::ConstantFP>(FAdd1->getOperand(1));
auto *FloatTy = sandboxir::Type::getFloatTy(Ctx);
auto *DoubleTy = sandboxir::Type::getDoubleTy(Ctx);
auto *LLVMFloatTy = Type::getFloatTy(C);
auto *LLVMDoubleTy = Type::getDoubleTy(C);
// Check that creating an identical constant gives us the same object.
auto *NewFortyTwo = sandboxir::ConstantFP::get(FloatTy, 42.0);
EXPECT_EQ(NewFortyTwo, FortyTwo);
// Check get(Type, double).
auto *FortyFour =
cast<sandboxir::ConstantFP>(sandboxir::ConstantFP::get(FloatTy, 44.0));
auto *LLVMFortyFour =
cast<llvm::ConstantFP>(llvm::ConstantFP::get(LLVMFloatTy, 44.0));
EXPECT_NE(FortyFour, FortyTwo);
EXPECT_EQ(FortyFour, Ctx.getValue(LLVMFortyFour));
// Check get(Type, APFloat).
auto *FortyFive = cast<sandboxir::ConstantFP>(
sandboxir::ConstantFP::get(DoubleTy, APFloat(45.0)));
auto *LLVMFortyFive = cast<llvm::ConstantFP>(
llvm::ConstantFP::get(LLVMDoubleTy, APFloat(45.0)));
EXPECT_EQ(FortyFive, Ctx.getValue(LLVMFortyFive));
// Check get(Type, StringRef).
auto *FortySix = sandboxir::ConstantFP::get(FloatTy, "46.0");
EXPECT_EQ(FortySix, Ctx.getValue(llvm::ConstantFP::get(LLVMFloatTy, "46.0")));
// Check get(APFloat).
auto *FortySeven = sandboxir::ConstantFP::get(APFloat(47.0), Ctx);
EXPECT_EQ(FortySeven, Ctx.getValue(llvm::ConstantFP::get(C, APFloat(47.0))));
// Check getNaN().
{
auto *NaN = sandboxir::ConstantFP::getNaN(FloatTy);
EXPECT_EQ(NaN, Ctx.getValue(llvm::ConstantFP::getNaN(LLVMFloatTy)));
}
{
auto *NaN = sandboxir::ConstantFP::getNaN(FloatTy, /*Negative=*/true);
EXPECT_EQ(NaN, Ctx.getValue(llvm::ConstantFP::getNaN(LLVMFloatTy,
/*Negative=*/true)));
}
{
auto *NaN = sandboxir::ConstantFP::getNaN(FloatTy, /*Negative=*/true,
/*Payload=*/1);
EXPECT_EQ(NaN, Ctx.getValue(llvm::ConstantFP::getNaN(
LLVMFloatTy, /*Negative=*/true, /*Payload=*/1)));
}
// Check getQNaN().
{
auto *QNaN = sandboxir::ConstantFP::getQNaN(FloatTy);
EXPECT_EQ(QNaN, Ctx.getValue(llvm::ConstantFP::getQNaN(LLVMFloatTy)));
}
{
auto *QNaN = sandboxir::ConstantFP::getQNaN(FloatTy, /*Negative=*/true);
EXPECT_EQ(QNaN, Ctx.getValue(llvm::ConstantFP::getQNaN(LLVMFloatTy,
/*Negative=*/true)));
}
{
APInt Payload(1, 1);
auto *QNaN =
sandboxir::ConstantFP::getQNaN(FloatTy, /*Negative=*/true, &Payload);
EXPECT_EQ(QNaN, Ctx.getValue(llvm::ConstantFP::getQNaN(
LLVMFloatTy, /*Negative=*/true, &Payload)));
}
// Check getSNaN().
{
auto *SNaN = sandboxir::ConstantFP::getSNaN(FloatTy);
EXPECT_EQ(SNaN, Ctx.getValue(llvm::ConstantFP::getSNaN(LLVMFloatTy)));
}
{
auto *SNaN = sandboxir::ConstantFP::getSNaN(FloatTy, /*Negative=*/true);
EXPECT_EQ(SNaN, Ctx.getValue(llvm::ConstantFP::getSNaN(LLVMFloatTy,
/*Negative=*/true)));
}
{
APInt Payload(1, 1);
auto *SNaN =
sandboxir::ConstantFP::getSNaN(FloatTy, /*Negative=*/true, &Payload);
EXPECT_EQ(SNaN, Ctx.getValue(llvm::ConstantFP::getSNaN(
LLVMFloatTy, /*Negative=*/true, &Payload)));
}
// Check getZero().
{
auto *Zero = sandboxir::ConstantFP::getZero(FloatTy);
EXPECT_EQ(Zero, Ctx.getValue(llvm::ConstantFP::getZero(LLVMFloatTy)));
}
{
auto *Zero = sandboxir::ConstantFP::getZero(FloatTy, /*Negative=*/true);
EXPECT_EQ(Zero, Ctx.getValue(llvm::ConstantFP::getZero(LLVMFloatTy,
/*Negative=*/true)));
}
// Check getNegativeZero().
auto *NegZero = cast<sandboxir::ConstantFP>(
sandboxir::ConstantFP::getNegativeZero(FloatTy));
EXPECT_EQ(NegZero,
Ctx.getValue(llvm::ConstantFP::getNegativeZero(LLVMFloatTy)));
// Check getInfinity().
{
auto *Inf = sandboxir::ConstantFP::getInfinity(FloatTy);
EXPECT_EQ(Inf, Ctx.getValue(llvm::ConstantFP::getInfinity(LLVMFloatTy)));
}
{
auto *Inf = sandboxir::ConstantFP::getInfinity(FloatTy, /*Negative=*/true);
EXPECT_EQ(Inf, Ctx.getValue(llvm::ConstantFP::getInfinity(
LLVMFloatTy, /*Negative=*/true)));
}
// Check isValueValidForType().
APFloat V(1.1);
EXPECT_EQ(sandboxir::ConstantFP::isValueValidForType(FloatTy, V),
llvm::ConstantFP::isValueValidForType(LLVMFloatTy, V));
// Check getValueAPF().
EXPECT_EQ(FortyFour->getValueAPF(), LLVMFortyFour->getValueAPF());
// Check getValue().
EXPECT_EQ(FortyFour->getValue(), LLVMFortyFour->getValue());
// Check isZero().
EXPECT_EQ(FortyFour->isZero(), LLVMFortyFour->isZero());
EXPECT_TRUE(sandboxir::ConstantFP::getZero(FloatTy));
EXPECT_TRUE(sandboxir::ConstantFP::getZero(FloatTy, /*Negative=*/true));
// Check isNegative().
EXPECT_TRUE(cast<sandboxir::ConstantFP>(
sandboxir::ConstantFP::getZero(FloatTy, /*Negative=*/true))
->isNegative());
// Check isInfinity().
EXPECT_TRUE(
cast<sandboxir::ConstantFP>(sandboxir::ConstantFP::getInfinity(FloatTy))
->isInfinity());
// Check isNaN().
EXPECT_TRUE(
cast<sandboxir::ConstantFP>(sandboxir::ConstantFP::getNaN(FloatTy))
->isNaN());
// Check isExactlyValue(APFloat).
EXPECT_TRUE(NegZero->isExactlyValue(NegZero->getValueAPF()));
// Check isExactlyValue(double).
EXPECT_TRUE(NegZero->isExactlyValue(-0.0));
}
// Tests ConstantArray, ConstantStruct and ConstantVector.
TEST_F(SandboxIRTest, ConstantAggregate) {
// Note: we are using i42 to avoid the creation of ConstantDataVector or
// ConstantDataArray.
parseIR(C, R"IR(
define void @foo() {
%array = extractvalue [2 x i42] [i42 0, i42 1], 0
%struct = extractvalue {i42, i42} {i42 0, i42 1}, 0
%vector = extractelement <2 x i42> <i42 0, i42 1>, i32 0
ret void
}
)IR");
Function &LLVMF = *M->getFunction("foo");
sandboxir::Context Ctx(C);
auto &F = *Ctx.createFunction(&LLVMF);
auto &BB = *F.begin();
auto It = BB.begin();
auto *I0 = &*It++;
auto *I1 = &*It++;
auto *I2 = &*It++;
// Check classof() and creation.
auto *Array = cast<sandboxir::ConstantArray>(I0->getOperand(0));
EXPECT_TRUE(isa<sandboxir::ConstantAggregate>(Array));
auto *Struct = cast<sandboxir::ConstantStruct>(I1->getOperand(0));
EXPECT_TRUE(isa<sandboxir::ConstantAggregate>(Struct));
auto *Vector = cast<sandboxir::ConstantVector>(I2->getOperand(0));
EXPECT_TRUE(isa<sandboxir::ConstantAggregate>(Vector));
auto *ZeroI42 = cast<sandboxir::ConstantInt>(Array->getOperand(0));
auto *OneI42 = cast<sandboxir::ConstantInt>(Array->getOperand(1));
// Check ConstantArray::get(), getType().
auto *NewCA =
sandboxir::ConstantArray::get(Array->getType(), {ZeroI42, OneI42});
EXPECT_EQ(NewCA, Array);
// Check ConstantStruct::get(), getType().
auto *NewCS =
sandboxir::ConstantStruct::get(Struct->getType(), {ZeroI42, OneI42});
EXPECT_EQ(NewCS, Struct);
// Check ConstantStruct::get(...).
auto *NewCS2 =
sandboxir::ConstantStruct::get(Struct->getType(), ZeroI42, OneI42);
EXPECT_EQ(NewCS2, Struct);
// Check ConstantStruct::getAnon(ArayRef).
auto *AnonCS = sandboxir::ConstantStruct::getAnon({ZeroI42, OneI42});
EXPECT_FALSE(cast<sandboxir::StructType>(AnonCS->getType())->isPacked());
auto *AnonCSPacked =
sandboxir::ConstantStruct::getAnon({ZeroI42, OneI42}, /*Packed=*/true);
EXPECT_TRUE(cast<sandboxir::StructType>(AnonCSPacked->getType())->isPacked());
// Check ConstantStruct::getAnon(Ctx, ArrayRef).
auto *AnonCS2 = sandboxir::ConstantStruct::getAnon(Ctx, {ZeroI42, OneI42});
EXPECT_EQ(AnonCS2, AnonCS);
auto *AnonCS2Packed = sandboxir::ConstantStruct::getAnon(
Ctx, {ZeroI42, OneI42}, /*Packed=*/true);
EXPECT_EQ(AnonCS2Packed, AnonCSPacked);
// Check ConstantStruct::getTypeForElements(Ctx, ArrayRef).
auto *StructTy =
sandboxir::ConstantStruct::getTypeForElements(Ctx, {ZeroI42, OneI42});
EXPECT_EQ(StructTy, Struct->getType());
EXPECT_FALSE(StructTy->isPacked());
// Check ConstantStruct::getTypeForElements(Ctx, ArrayRef, Packed).
auto *StructTyPacked = sandboxir::ConstantStruct::getTypeForElements(
Ctx, {ZeroI42, OneI42}, /*Packed=*/true);
EXPECT_TRUE(StructTyPacked->isPacked());
// Check ConstantStruct::getTypeForElements(ArrayRef).
auto *StructTy2 =
sandboxir::ConstantStruct::getTypeForElements(Ctx, {ZeroI42, OneI42});
EXPECT_EQ(StructTy2, Struct->getType());
// Check ConstantStruct::getTypeForElements(ArrayRef, Packed).
auto *StructTy2Packed = sandboxir::ConstantStruct::getTypeForElements(
Ctx, {ZeroI42, OneI42}, /*Packed=*/true);
EXPECT_EQ(StructTy2Packed, StructTyPacked);
}
TEST_F(SandboxIRTest, ConstantAggregateZero) {
parseIR(C, R"IR(
define void @foo(ptr %ptr, {i32, i8} %v1, <2 x i8> %v2) {
%extr0 = extractvalue [2 x i8] zeroinitializer, 0
%extr1 = extractvalue {i32, i8} zeroinitializer, 0
%extr2 = extractelement <2 x i8> zeroinitializer, i32 0
ret void
}
)IR");
Function &LLVMF = *M->getFunction("foo");
sandboxir::Context Ctx(C);
auto &F = *Ctx.createFunction(&LLVMF);
auto &BB = *F.begin();
auto It = BB.begin();
auto *Extr0 = &*It++;
auto *Extr1 = &*It++;
auto *Extr2 = &*It++;
[[maybe_unused]] auto *Ret = cast<sandboxir::ReturnInst>(&*It++);
auto *Zero32 =
sandboxir::ConstantInt::get(sandboxir::Type::getInt32Ty(Ctx), 0);
auto *Zero8 = sandboxir::ConstantInt::get(sandboxir::Type::getInt8Ty(Ctx), 0);
auto *Int8Ty = sandboxir::Type::getInt8Ty(Ctx);
auto *Int32Ty = sandboxir::Type::getInt32Ty(Ctx);
auto *ArrayTy = sandboxir::ArrayType::get(Int8Ty, 2u);
auto *StructTy = sandboxir::StructType::get(Ctx, {Int32Ty, Int8Ty});
auto *VectorTy =
sandboxir::VectorType::get(Int8Ty, ElementCount::getFixed(2u));
// Check creation and classof().
auto *ArrayCAZ = cast<sandboxir::ConstantAggregateZero>(Extr0->getOperand(0));
EXPECT_EQ(ArrayCAZ->getType(), ArrayTy);
auto *StructCAZ =
cast<sandboxir::ConstantAggregateZero>(Extr1->getOperand(0));
EXPECT_EQ(StructCAZ->getType(), StructTy);
auto *VectorCAZ =
cast<sandboxir::ConstantAggregateZero>(Extr2->getOperand(0));
EXPECT_EQ(VectorCAZ->getType(), VectorTy);
// Check get().
auto *SameVectorCAZ =
sandboxir::ConstantAggregateZero::get(sandboxir::VectorType::get(
sandboxir::Type::getInt8Ty(Ctx), ElementCount::getFixed(2)));
EXPECT_EQ(SameVectorCAZ, VectorCAZ); // Should be uniqued.
auto *NewVectorCAZ =
sandboxir::ConstantAggregateZero::get(sandboxir::VectorType::get(
sandboxir::Type::getInt8Ty(Ctx), ElementCount::getFixed(4)));
EXPECT_NE(NewVectorCAZ, VectorCAZ);
// Check getSequentialElement().
auto *SeqElm = VectorCAZ->getSequentialElement();
EXPECT_EQ(SeqElm,
sandboxir::ConstantInt::get(sandboxir::Type::getInt8Ty(Ctx), 0));
// Check getStructElement().
auto *StructElm0 = StructCAZ->getStructElement(0);
auto *StructElm1 = StructCAZ->getStructElement(1);
EXPECT_EQ(StructElm0, Zero32);
EXPECT_EQ(StructElm1, Zero8);
// Check getElementValue(Constant).
EXPECT_EQ(ArrayCAZ->getElementValue(Zero32), Zero8);
EXPECT_EQ(StructCAZ->getElementValue(Zero32), Zero32);
EXPECT_EQ(VectorCAZ->getElementValue(Zero32), Zero8);
// Check getElementValue(unsigned).
EXPECT_EQ(ArrayCAZ->getElementValue(0u), Zero8);
EXPECT_EQ(StructCAZ->getElementValue(0u), Zero32);
EXPECT_EQ(VectorCAZ->getElementValue(0u), Zero8);
// Check getElementCount().
EXPECT_EQ(ArrayCAZ->getElementCount(), ElementCount::getFixed(2));
EXPECT_EQ(NewVectorCAZ->getElementCount(), ElementCount::getFixed(4));
}
TEST_F(SandboxIRTest, ConstantPointerNull) {
parseIR(C, R"IR(
define ptr @foo() {
ret ptr null
}
)IR");
Function &LLVMF = *M->getFunction("foo");
sandboxir::Context Ctx(C);
auto &F = *Ctx.createFunction(&LLVMF);
auto &BB = *F.begin();
auto It = BB.begin();
auto *Ret = cast<sandboxir::ReturnInst>(&*It++);
// Check classof() and creation.
auto *CPNull = cast<sandboxir::ConstantPointerNull>(Ret->getReturnValue());
// Check get().
auto *NewCPNull =
sandboxir::ConstantPointerNull::get(sandboxir::PointerType::get(Ctx, 0u));
EXPECT_EQ(NewCPNull, CPNull);
auto *NewCPNull2 =
sandboxir::ConstantPointerNull::get(sandboxir::PointerType::get(Ctx, 1u));
EXPECT_NE(NewCPNull2, CPNull);
// Check getType().
EXPECT_EQ(CPNull->getType(), sandboxir::PointerType::get(Ctx, 0u));
EXPECT_EQ(NewCPNull2->getType(), sandboxir::PointerType::get(Ctx, 1u));
}
TEST_F(SandboxIRTest, PoisonValue) {
parseIR(C, R"IR(
define void @foo() {
%i0 = add i32 poison, poison
%i1 = add <2 x i32> poison, poison
%i2 = extractvalue {i32, i8} poison, 0
ret void
}
)IR");
Function &LLVMF = *M->getFunction("foo");
sandboxir::Context Ctx(C);
auto &F = *Ctx.createFunction(&LLVMF);
auto &BB = *F.begin();
auto It = BB.begin();
auto *I0 = &*It++;
auto *I1 = &*It++;
auto *I2 = &*It++;
auto *Int32Ty = sandboxir::Type::getInt32Ty(Ctx);
auto *Int8Ty = sandboxir::Type::getInt8Ty(Ctx);
auto *Zero32 = sandboxir::ConstantInt::get(Int32Ty, 0u);
auto *One32 = sandboxir::ConstantInt::get(Int32Ty, 1u);
// Check classof() and creation.
auto *Poison = cast<sandboxir::PoisonValue>(I0->getOperand(0));
EXPECT_EQ(Poison->getType(), Int32Ty);
EXPECT_TRUE(isa<sandboxir::UndefValue>(Poison)); // Poison is Undef
// Check get().
auto *NewPoison = sandboxir::PoisonValue::get(Int32Ty);
EXPECT_EQ(NewPoison, Poison);
auto *NewPoison2 =
sandboxir::PoisonValue::get(sandboxir::PointerType::get(Ctx, 0u));
EXPECT_NE(NewPoison2, Poison);
// Check getSequentialElement().
auto *PoisonVector = cast<sandboxir::PoisonValue>(I1->getOperand(0));
auto *SeqElm = PoisonVector->getSequentialElement();
EXPECT_EQ(SeqElm->getType(), Int32Ty);
// Check getStructElement().
auto *PoisonStruct = cast<sandboxir::PoisonValue>(I2->getOperand(0));
auto *StrElm0 = PoisonStruct->getStructElement(0);
auto *StrElm1 = PoisonStruct->getStructElement(1);
EXPECT_EQ(StrElm0->getType(), Int32Ty);
EXPECT_EQ(StrElm1->getType(), Int8Ty);
// Check getElementValue(Constant)
EXPECT_EQ(PoisonStruct->getElementValue(Zero32),
sandboxir::PoisonValue::get(Int32Ty));
EXPECT_EQ(PoisonStruct->getElementValue(One32),
sandboxir::PoisonValue::get(Int8Ty));
// Check getElementValue(unsigned)
EXPECT_EQ(PoisonStruct->getElementValue(0u),
sandboxir::PoisonValue::get(Int32Ty));
EXPECT_EQ(PoisonStruct->getElementValue(1u),
sandboxir::PoisonValue::get(Int8Ty));
}
TEST_F(SandboxIRTest, UndefValue) {
parseIR(C, R"IR(
define void @foo() {
%i0 = add i32 undef, undef
%i1 = add <2 x i32> undef, undef
%i2 = extractvalue {i32, i8} undef, 0
ret void
}
)IR");
Function &LLVMF = *M->getFunction("foo");
sandboxir::Context Ctx(C);
auto &F = *Ctx.createFunction(&LLVMF);
auto &BB = *F.begin();
auto It = BB.begin();
auto *I0 = &*It++;
auto *I1 = &*It++;
auto *I2 = &*It++;
auto *Int32Ty = sandboxir::Type::getInt32Ty(Ctx);
auto *Int8Ty = sandboxir::Type::getInt8Ty(Ctx);
auto *Zero32 = sandboxir::ConstantInt::get(Int32Ty, 0u);
auto *One32 = sandboxir::ConstantInt::get(Int32Ty, 1u);
// Check classof() and creation.
auto *Undef = cast<sandboxir::UndefValue>(I0->getOperand(0));
EXPECT_EQ(Undef->getType(), Int32Ty);
EXPECT_FALSE(isa<sandboxir::PoisonValue>(Undef)); // Undef is not Poison
// Check get().
auto *NewUndef = sandboxir::UndefValue::get(Int32Ty);
EXPECT_EQ(NewUndef, Undef);
auto *NewUndef2 =
sandboxir::UndefValue::get(sandboxir::PointerType::get(Ctx, 0u));
EXPECT_NE(NewUndef2, Undef);
// Check getSequentialElement().
auto *UndefVector = cast<sandboxir::UndefValue>(I1->getOperand(0));
auto *SeqElm = UndefVector->getSequentialElement();
EXPECT_EQ(SeqElm->getType(), Int32Ty);
// Check getStructElement().
auto *UndefStruct = cast<sandboxir::UndefValue>(I2->getOperand(0));
auto *StrElm0 = UndefStruct->getStructElement(0);
auto *StrElm1 = UndefStruct->getStructElement(1);
EXPECT_EQ(StrElm0->getType(), Int32Ty);
EXPECT_EQ(StrElm1->getType(), Int8Ty);
// Check getElementValue(Constant)
EXPECT_EQ(UndefStruct->getElementValue(Zero32),
sandboxir::UndefValue::get(Int32Ty));
EXPECT_EQ(UndefStruct->getElementValue(One32),
sandboxir::UndefValue::get(Int8Ty));
// Check getElementValue(unsigned)
EXPECT_EQ(UndefStruct->getElementValue(0u),
sandboxir::UndefValue::get(Int32Ty));
EXPECT_EQ(UndefStruct->getElementValue(1u),
sandboxir::UndefValue::get(Int8Ty));
// Check getNumElements().
EXPECT_EQ(UndefVector->getNumElements(), 2u);
EXPECT_EQ(UndefStruct->getNumElements(), 2u);
}
TEST_F(SandboxIRTest, GlobalValue) {
parseIR(C, R"IR(
declare external void @bar()
define void @foo() {
call void @bar()
ret void
}
)IR");
Function &LLVMF = *M->getFunction("foo");
auto *LLVMBB = &*LLVMF.begin();
auto LLVMIt = LLVMBB->begin();
auto *LLVMCall = cast<llvm::CallInst>(&*LLVMIt++);
auto *LLVMGV = cast<llvm::GlobalValue>(LLVMCall->getCalledOperand());
sandboxir::Context Ctx(C);
auto &F = *Ctx.createFunction(&LLVMF);
auto *BB = &*F.begin();
auto It = BB->begin();
auto *Call = cast<sandboxir::CallInst>(&*It++);
[[maybe_unused]] auto *Ret = cast<sandboxir::ReturnInst>(&*It++);
// Check classof(), creation, getFunction(), getBasicBlock().
auto *GV = cast<sandboxir::GlobalValue>(Call->getCalledOperand());
// Check getAddressSpace().
EXPECT_EQ(GV->getAddressSpace(), LLVMGV->getAddressSpace());
// Check hasGlobalUnnamedAddr().
EXPECT_EQ(GV->hasGlobalUnnamedAddr(), LLVMGV->hasGlobalUnnamedAddr());
// Check hasAtLeastLocalUnnamedAddr().
EXPECT_EQ(GV->hasAtLeastLocalUnnamedAddr(),
LLVMGV->hasAtLeastLocalUnnamedAddr());
// Check getUnnamedAddr().
EXPECT_EQ(GV->getUnnamedAddr(), LLVMGV->getUnnamedAddr());
// Check setUnnamedAddr().
auto OrigUnnamedAddr = GV->getUnnamedAddr();
auto NewUnnamedAddr = sandboxir::GlobalValue::UnnamedAddr::Global;
EXPECT_NE(NewUnnamedAddr, OrigUnnamedAddr);
GV->setUnnamedAddr(NewUnnamedAddr);
EXPECT_EQ(GV->getUnnamedAddr(), NewUnnamedAddr);
GV->setUnnamedAddr(OrigUnnamedAddr);
EXPECT_EQ(GV->getUnnamedAddr(), OrigUnnamedAddr);
// Check getMinUnnamedAddr().
EXPECT_EQ(
sandboxir::GlobalValue::getMinUnnamedAddr(OrigUnnamedAddr,
NewUnnamedAddr),
llvm::GlobalValue::getMinUnnamedAddr(OrigUnnamedAddr, NewUnnamedAddr));
// Check hasComdat().
EXPECT_EQ(GV->hasComdat(), LLVMGV->hasComdat());
// Check getVisibility().
EXPECT_EQ(GV->getVisibility(), LLVMGV->getVisibility());
// Check hasDefaultVisibility().
EXPECT_EQ(GV->hasDefaultVisibility(), LLVMGV->hasDefaultVisibility());
// Check hasHiddenVisibility().
EXPECT_EQ(GV->hasHiddenVisibility(), LLVMGV->hasHiddenVisibility());
// Check hasProtectedVisibility().
EXPECT_EQ(GV->hasProtectedVisibility(), LLVMGV->hasProtectedVisibility());
// Check setVisibility().
auto OrigVisibility = GV->getVisibility();
auto NewVisibility =
sandboxir::GlobalValue::VisibilityTypes::ProtectedVisibility;
EXPECT_NE(NewVisibility, OrigVisibility);
GV->setVisibility(NewVisibility);
EXPECT_EQ(GV->getVisibility(), NewVisibility);
GV->setVisibility(OrigVisibility);
EXPECT_EQ(GV->getVisibility(), OrigVisibility);
}
TEST_F(SandboxIRTest, GlobalObject) {
parseIR(C, R"IR(
declare external void @bar()
define void @foo() {
call void @bar()
ret void
}
)IR");
Function &LLVMF = *M->getFunction("foo");
auto *LLVMBB = &*LLVMF.begin();
auto LLVMIt = LLVMBB->begin();
auto *LLVMCall = cast<llvm::CallInst>(&*LLVMIt++);
auto *LLVMGO = cast<llvm::GlobalObject>(LLVMCall->getCalledOperand());
sandboxir::Context Ctx(C);
auto &F = *Ctx.createFunction(&LLVMF);
auto *BB = &*F.begin();
auto It = BB->begin();
auto *Call = cast<sandboxir::CallInst>(&*It++);
// Check classof(), creation.
auto *GO = cast<sandboxir::GlobalObject>(Call->getCalledOperand());
// Check getAlignment().
EXPECT_EQ(GO->getAlignment(), LLVMGO->getAlignment());
// Check getAlign().
EXPECT_EQ(GO->getAlign(), LLVMGO->getAlign());
// Check setAlignment().
auto OrigMaybeAlign = GO->getAlign();
auto NewMaybeAlign = MaybeAlign(128);
EXPECT_NE(NewMaybeAlign, OrigMaybeAlign);
GO->setAlignment(NewMaybeAlign);
EXPECT_EQ(GO->getAlign(), NewMaybeAlign);
GO->setAlignment(OrigMaybeAlign);
EXPECT_EQ(GO->getAlign(), OrigMaybeAlign);
// Check getGlobalObjectSubClassData().
EXPECT_EQ(GO->getGlobalObjectSubClassData(),
LLVMGO->getGlobalObjectSubClassData());
// Check setGlobalObjectSubClassData().
auto OrigGOSCD = GO->getGlobalObjectSubClassData();
auto NewGOSCD = 1u;
EXPECT_NE(NewGOSCD, OrigGOSCD);
GO->setGlobalObjectSubClassData(NewGOSCD);
EXPECT_EQ(GO->getGlobalObjectSubClassData(), NewGOSCD);
GO->setGlobalObjectSubClassData(OrigGOSCD);
EXPECT_EQ(GO->getGlobalObjectSubClassData(), OrigGOSCD);
// Check hasSection().
EXPECT_EQ(GO->hasSection(), LLVMGO->hasSection());
// Check getSection().
EXPECT_EQ(GO->getSection(), LLVMGO->getSection());
// Check setSection().
auto OrigSection = GO->getSection();
auto NewSection = ".some_section";
EXPECT_NE(NewSection, OrigSection);
GO->setSection(NewSection);
EXPECT_EQ(GO->getSection(), NewSection);
GO->setSection(OrigSection);
EXPECT_EQ(GO->getSection(), OrigSection);
// Check hasComdat().
EXPECT_EQ(GO->hasComdat(), LLVMGO->hasComdat());
// Check getVCallVisibility().
EXPECT_EQ(GO->getVCallVisibility(), LLVMGO->getVCallVisibility());
// Check canIncreaseAlignment().
EXPECT_EQ(GO->canIncreaseAlignment(), LLVMGO->canIncreaseAlignment());
}
TEST_F(SandboxIRTest, BlockAddress) {
parseIR(C, R"IR(
define void @foo(ptr %ptr) {
bb0:
store ptr blockaddress(@foo, %bb0), ptr %ptr
ret void
bb1:
ret void
bb2:
ret void
}
)IR");
Function &LLVMF = *M->getFunction("foo");
sandboxir::Context Ctx(C);
auto &F = *Ctx.createFunction(&LLVMF);
auto *BB0 = cast<sandboxir::BasicBlock>(
Ctx.getValue(getBasicBlockByName(LLVMF, "bb0")));
auto *BB1 = cast<sandboxir::BasicBlock>(
Ctx.getValue(getBasicBlockByName(LLVMF, "bb1")));
auto *BB2 = cast<sandboxir::BasicBlock>(
Ctx.getValue(getBasicBlockByName(LLVMF, "bb2")));
auto It = BB0->begin();
auto *SI = cast<sandboxir::StoreInst>(&*It++);
[[maybe_unused]] auto *Ret = cast<sandboxir::ReturnInst>(&*It++);
// Check classof(), creation, getFunction(), getBasicBlock().
auto *BB0Addr = cast<sandboxir::BlockAddress>(SI->getValueOperand());
EXPECT_EQ(BB0Addr->getBasicBlock(), BB0);
EXPECT_EQ(BB0Addr->getFunction(), &F);
// Check get(F, BB).
auto *NewBB0Addr = sandboxir::BlockAddress::get(&F, BB0);
EXPECT_EQ(NewBB0Addr, BB0Addr);
// Check get(BB).
auto *NewBB0Addr2 = sandboxir::BlockAddress::get(BB0);
EXPECT_EQ(NewBB0Addr2, BB0Addr);
auto *BB1Addr = sandboxir::BlockAddress::get(BB1);
EXPECT_EQ(BB1Addr->getBasicBlock(), BB1);
EXPECT_NE(BB1Addr, BB0Addr);
// Check lookup().
auto *LookupBB0Addr = sandboxir::BlockAddress::lookup(BB0);
EXPECT_EQ(LookupBB0Addr, BB0Addr);
auto *LookupBB1Addr = sandboxir::BlockAddress::lookup(BB1);
EXPECT_EQ(LookupBB1Addr, BB1Addr);
auto *LookupBB2Addr = sandboxir::BlockAddress::lookup(BB2);
EXPECT_EQ(LookupBB2Addr, nullptr);
}
TEST_F(SandboxIRTest, DSOLocalEquivalent) {
parseIR(C, R"IR(
declare void @bar()
define void @foo() {
call void dso_local_equivalent @bar()
ret void
}
)IR");
Function &LLVMF = *M->getFunction("foo");
sandboxir::Context Ctx(C);
auto &F = *Ctx.createFunction(&LLVMF);
auto *BB = &*F.begin();
auto It = BB->begin();
auto *CI = cast<sandboxir::CallInst>(&*It++);
// Check classof().
auto *DSOLE = cast<sandboxir::DSOLocalEquivalent>(CI->getCalledOperand());
// Check getGlobalValue().
auto *GV = DSOLE->getGlobalValue();
// Check get().
auto *NewDSOLE = sandboxir::DSOLocalEquivalent::get(GV);
EXPECT_EQ(NewDSOLE, DSOLE);
}
TEST_F(SandboxIRTest, ConstantTokenNone) {
parseIR(C, R"IR(
define void @foo(ptr %ptr) {
bb0:
%cs = catchswitch within none [label %handler] unwind to caller
handler:
ret void
}
)IR");
Function &LLVMF = *M->getFunction("foo");
sandboxir::Context Ctx(C);
[[maybe_unused]] auto &F = *Ctx.createFunction(&LLVMF);
auto *BB0 = cast<sandboxir::BasicBlock>(
Ctx.getValue(getBasicBlockByName(LLVMF, "bb0")));
auto *CS = cast<sandboxir::CatchSwitchInst>(&*BB0->begin());
// Check classof(), creation, getFunction(), getBasicBlock().
auto *CTN = cast<sandboxir::ConstantTokenNone>(CS->getParentPad());
// Check get().
auto *NewCTN = sandboxir::ConstantTokenNone::get(Ctx);
EXPECT_EQ(NewCTN, CTN);
}
TEST_F(SandboxIRTest, Use) {
parseIR(C, R"IR(
define i32 @foo(i32 %v0, i32 %v1) {
%add0 = add i32 %v0, %v1
ret i32 %add0
}
)IR");
Function &LLVMF = *M->getFunction("foo");
sandboxir::Context Ctx(C);
BasicBlock *LLVMBB = &*LLVMF.begin();
auto LLVMBBIt = LLVMBB->begin();
Instruction *LLVMI0 = &*LLVMBBIt++;
Instruction *LLVMRet = &*LLVMBBIt++;
Argument *LLVMArg0 = LLVMF.getArg(0);
Argument *LLVMArg1 = LLVMF.getArg(1);
auto &F = *Ctx.createFunction(&LLVMF);
auto &BB = *F.begin();
auto *Arg0 = F.getArg(0);
auto *Arg1 = F.getArg(1);
auto It = BB.begin();
auto *I0 = &*It++;
auto *Ret = cast<sandboxir::ReturnInst>(&*It++);
SmallVector<sandboxir::Argument *> Args{Arg0, Arg1};
unsigned OpIdx = 0;
for (sandboxir::Use Use : I0->operands()) {
// Check Use.getOperandNo().
EXPECT_EQ(Use.getOperandNo(), OpIdx);
// Check Use.getUser().
EXPECT_EQ(Use.getUser(), I0);
// Check Use.getContext().
EXPECT_EQ(Use.getContext(), &Ctx);
// Check Use.get().
sandboxir::Value *Op = Use.get();
EXPECT_EQ(Op, Ctx.getValue(LLVMI0->getOperand(OpIdx)));
// Check Use.getUser().
EXPECT_EQ(Use.getUser(), I0);
// Check implicit cast to Value.
sandboxir::Value *Cast = Use;
EXPECT_EQ(Cast, Op);
// Check that Use points to the correct operand.