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llvm-mirror/unittests/CodeGen/MachineOperandTest.cpp
Francis Visoiu Mistrih f10deaa987 [CodeGen] Move printing MO_CImmediate operands to MachineOperand::print
Work towards the unification of MIR and debug output by refactoring the
interfaces.

llvm-svn: 320140
2017-12-08 11:40:06 +00:00

104 lines
3.4 KiB
C++

//===- MachineOperandTest.cpp ---------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/ilist_node.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/LLVMContext.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");
}
} // end namespace