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llvm-mirror/unittests/CodeGen/MachineOperandTest.cpp
Chandler Carruth ae65e281f3 Update the file headers across all of the LLVM projects in the monorepo 
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636
2019-01-19 08:50:56 +00:00

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//===- MachineOperandTest.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/CodeGen/MachineOperand.h"
#include "llvm/ADT/ilist_node.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/ModuleSlotTracker.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/Support/raw_ostream.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
TEST(MachineOperandTest, ChangeToTargetIndexTest) {
// Creating a MachineOperand to change it to TargetIndex
MachineOperand MO = MachineOperand::CreateImm(50);
// Checking some precondition on the newly created
// MachineOperand.
ASSERT_TRUE(MO.isImm());
ASSERT_TRUE(MO.getImm() == 50);
ASSERT_FALSE(MO.isTargetIndex());
// Changing to TargetIndex with some arbitrary values
// for index, offset and flags.
MO.ChangeToTargetIndex(74, 57, 12);
// Checking that the mutation to TargetIndex happened
// correctly.
ASSERT_TRUE(MO.isTargetIndex());
ASSERT_TRUE(MO.getIndex() == 74);
ASSERT_TRUE(MO.getOffset() == 57);
ASSERT_TRUE(MO.getTargetFlags() == 12);
}
TEST(MachineOperandTest, PrintRegisterMask) {
uint32_t Dummy;
MachineOperand MO = MachineOperand::CreateRegMask(&Dummy);
// Checking some preconditions on the newly created
// MachineOperand.
ASSERT_TRUE(MO.isRegMask());
ASSERT_TRUE(MO.getRegMask() == &Dummy);
// Print a MachineOperand containing a RegMask. Here we check that without a
// TRI and IntrinsicInfo we still print a less detailed regmask.
std::string str;
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "<regmask ...>");
}
TEST(MachineOperandTest, PrintSubReg) {
// Create a MachineOperand with RegNum=1 and SubReg=5.
MachineOperand MO = MachineOperand::CreateReg(
/*Reg=*/1, /*isDef=*/false, /*isImp=*/false, /*isKill=*/false,
/*isDead=*/false, /*isUndef=*/false, /*isEarlyClobber=*/false,
/*SubReg=*/5, /*isDebug=*/false, /*isInternalRead=*/false);
// Checking some preconditions on the newly created
// MachineOperand.
ASSERT_TRUE(MO.isReg());
ASSERT_TRUE(MO.getReg() == 1);
ASSERT_TRUE(MO.getSubReg() == 5);
// Print a MachineOperand containing a SubReg. Here we check that without a
// TRI and IntrinsicInfo we can still print the subreg index.
std::string str;
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "$physreg1.subreg5");
}
TEST(MachineOperandTest, PrintCImm) {
LLVMContext Context;
APInt Int(128, UINT64_MAX);
++Int;
ConstantInt *CImm = ConstantInt::get(Context, Int);
// Create a MachineOperand with an Imm=(UINT64_MAX + 1)
MachineOperand MO = MachineOperand::CreateCImm(CImm);
// Checking some preconditions on the newly created
// MachineOperand.
ASSERT_TRUE(MO.isCImm());
ASSERT_TRUE(MO.getCImm() == CImm);
ASSERT_TRUE(MO.getCImm()->getValue() == Int);
// Print a MachineOperand containing a SubReg. Here we check that without a
// TRI and IntrinsicInfo we can still print the subreg index.
std::string str;
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "i128 18446744073709551616");
}
TEST(MachineOperandTest, PrintSubRegIndex) {
// Create a MachineOperand with an immediate and print it as a subreg index.
MachineOperand MO = MachineOperand::CreateImm(3);
// Checking some preconditions on the newly created
// MachineOperand.
ASSERT_TRUE(MO.isImm());
ASSERT_TRUE(MO.getImm() == 3);
// Print a MachineOperand containing a SubRegIdx. Here we check that without a
// TRI and IntrinsicInfo we can print the operand as a subreg index.
std::string str;
raw_string_ostream OS(str);
MachineOperand::printSubRegIdx(OS, MO.getImm(), nullptr);
ASSERT_TRUE(OS.str() == "%subreg.3");
}
TEST(MachineOperandTest, PrintCPI) {
// Create a MachineOperand with a constant pool index and print it.
MachineOperand MO = MachineOperand::CreateCPI(0, 8);
// Checking some preconditions on the newly created
// MachineOperand.
ASSERT_TRUE(MO.isCPI());
ASSERT_TRUE(MO.getIndex() == 0);
ASSERT_TRUE(MO.getOffset() == 8);
// Print a MachineOperand containing a constant pool index and a positive
// offset.
std::string str;
{
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "%const.0 + 8");
}
str.clear();
MO.setOffset(-12);
// Print a MachineOperand containing a constant pool index and a negative
// offset.
{
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "%const.0 - 12");
}
}
TEST(MachineOperandTest, PrintTargetIndexName) {
// Create a MachineOperand with a target index and print it.
MachineOperand MO = MachineOperand::CreateTargetIndex(0, 8);
// Checking some preconditions on the newly created
// MachineOperand.
ASSERT_TRUE(MO.isTargetIndex());
ASSERT_TRUE(MO.getIndex() == 0);
ASSERT_TRUE(MO.getOffset() == 8);
// Print a MachineOperand containing a target index and a positive offset.
std::string str;
{
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "target-index(<unknown>) + 8");
}
str.clear();
MO.setOffset(-12);
// Print a MachineOperand containing a target index and a negative offset.
{
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "target-index(<unknown>) - 12");
}
}
TEST(MachineOperandTest, PrintJumpTableIndex) {
// Create a MachineOperand with a jump-table index and print it.
MachineOperand MO = MachineOperand::CreateJTI(3);
// Checking some preconditions on the newly created
// MachineOperand.
ASSERT_TRUE(MO.isJTI());
ASSERT_TRUE(MO.getIndex() == 3);
// Print a MachineOperand containing a jump-table index.
std::string str;
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "%jump-table.3");
}
TEST(MachineOperandTest, PrintExternalSymbol) {
// Create a MachineOperand with an external symbol and print it.
MachineOperand MO = MachineOperand::CreateES("foo");
// Checking some preconditions on the newly created
// MachineOperand.
ASSERT_TRUE(MO.isSymbol());
ASSERT_TRUE(MO.getSymbolName() == StringRef("foo"));
// Print a MachineOperand containing an external symbol and no offset.
std::string str;
{
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "&foo");
}
str.clear();
MO.setOffset(12);
// Print a MachineOperand containing an external symbol and a positive offset.
{
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "&foo + 12");
}
str.clear();
MO.setOffset(-12);
// Print a MachineOperand containing an external symbol and a negative offset.
{
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "&foo - 12");
}
}
TEST(MachineOperandTest, PrintGlobalAddress) {
LLVMContext Ctx;
Module M("MachineOperandGVTest", Ctx);
M.getOrInsertGlobal("foo", Type::getInt32Ty(Ctx));
GlobalValue *GV = M.getNamedValue("foo");
// Create a MachineOperand with a global address and a positive offset and
// print it.
MachineOperand MO = MachineOperand::CreateGA(GV, 12);
// Checking some preconditions on the newly created
// MachineOperand.
ASSERT_TRUE(MO.isGlobal());
ASSERT_TRUE(MO.getGlobal() == GV);
ASSERT_TRUE(MO.getOffset() == 12);
std::string str;
// Print a MachineOperand containing a global address and a positive offset.
{
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "@foo + 12");
}
str.clear();
MO.setOffset(-12);
// Print a MachineOperand containing a global address and a negative offset.
{
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "@foo - 12");
}
}
TEST(MachineOperandTest, PrintRegisterLiveOut) {
// Create a MachineOperand with a register live out list and print it.
uint32_t Mask = 0;
MachineOperand MO = MachineOperand::CreateRegLiveOut(&Mask);
// Checking some preconditions on the newly created
// MachineOperand.
ASSERT_TRUE(MO.isRegLiveOut());
ASSERT_TRUE(MO.getRegLiveOut() == &Mask);
std::string str;
// Print a MachineOperand containing a register live out list without a TRI.
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "liveout(<unknown>)");
}
TEST(MachineOperandTest, PrintMetadata) {
LLVMContext Ctx;
Module M("MachineOperandMDNodeTest", Ctx);
NamedMDNode *MD = M.getOrInsertNamedMetadata("namedmd");
ModuleSlotTracker MST(&M);
Metadata *MDS = MDString::get(Ctx, "foo");
MDNode *Node = MDNode::get(Ctx, MDS);
MD->addOperand(Node);
// Create a MachineOperand with a metadata and print it.
MachineOperand MO = MachineOperand::CreateMetadata(Node);
// Checking some preconditions on the newly created
// MachineOperand.
ASSERT_TRUE(MO.isMetadata());
ASSERT_TRUE(MO.getMetadata() == Node);
std::string str;
// Print a MachineOperand containing a metadata node.
raw_string_ostream OS(str);
MO.print(OS, MST, LLT{}, /*PrintDef=*/false, /*IsStandalone=*/false,
/*ShouldPrintRegisterTies=*/false, 0, /*TRI=*/nullptr,
/*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "!0");
}
TEST(MachineOperandTest, PrintMCSymbol) {
MCAsmInfo MAI;
MCContext Ctx(&MAI, /*MRI=*/nullptr, /*MOFI=*/nullptr);
MCSymbol *Sym = Ctx.getOrCreateSymbol("foo");
// Create a MachineOperand with a metadata and print it.
MachineOperand MO = MachineOperand::CreateMCSymbol(Sym);
// Checking some preconditions on the newly created
// MachineOperand.
ASSERT_TRUE(MO.isMCSymbol());
ASSERT_TRUE(MO.getMCSymbol() == Sym);
std::string str;
// Print a MachineOperand containing a metadata node.
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "<mcsymbol foo>");
}
TEST(MachineOperandTest, PrintCFI) {
// Create a MachineOperand with a CFI index but no function and print it.
MachineOperand MO = MachineOperand::CreateCFIIndex(8);
// Checking some preconditions on the newly created
// MachineOperand.
ASSERT_TRUE(MO.isCFIIndex());
ASSERT_TRUE(MO.getCFIIndex() == 8);
std::string str;
// Print a MachineOperand containing a CFI Index node but no machine function
// attached to it.
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "<cfi directive>");
}
TEST(MachineOperandTest, PrintIntrinsicID) {
// Create a MachineOperand with a generic intrinsic ID.
MachineOperand MO = MachineOperand::CreateIntrinsicID(Intrinsic::bswap);
// Checking some preconditions on the newly created
// MachineOperand.
ASSERT_TRUE(MO.isIntrinsicID());
ASSERT_TRUE(MO.getIntrinsicID() == Intrinsic::bswap);
std::string str;
{
// Print a MachineOperand containing a generic intrinsic ID.
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "intrinsic(@llvm.bswap)");
}
str.clear();
// Set a target-specific intrinsic.
MO = MachineOperand::CreateIntrinsicID((Intrinsic::ID)-1);
{
// Print a MachineOperand containing a target-specific intrinsic ID but not
// IntrinsicInfo.
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "intrinsic(4294967295)");
}
}
TEST(MachineOperandTest, PrintPredicate) {
// Create a MachineOperand with a generic intrinsic ID.
MachineOperand MO = MachineOperand::CreatePredicate(CmpInst::ICMP_EQ);
// Checking some preconditions on the newly created
// MachineOperand.
ASSERT_TRUE(MO.isPredicate());
ASSERT_TRUE(MO.getPredicate() == CmpInst::ICMP_EQ);
std::string str;
// Print a MachineOperand containing a int predicate ICMP_EQ.
raw_string_ostream OS(str);
MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
ASSERT_TRUE(OS.str() == "intpred(eq)");
}
} // end namespace
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