v8/test/cctest/compiler/test-instruction-selector-arm.cc
bmeurer@chromium.org bbd62e4a20 [turbofan] Improve testability of the InstructionSelector.
Allow to pass the set of supported CPU features to
the InstructionSelector, so it can be tested without
messing with the command line flags.

Also add InstructionSelector sample for ia32.

TEST=cctest/test-instruction-selector,cctest/test-instruction-selector-{arm,ia32}
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/441883004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22876 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-08-05 13:26:55 +00:00

1864 lines
67 KiB
C++

// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <list>
#include "test/cctest/compiler/instruction-selector-tester.h"
#include "test/cctest/compiler/value-helper.h"
using namespace v8::internal;
using namespace v8::internal::compiler;
namespace {
typedef RawMachineAssembler::Label MLabel;
struct DPI {
Operator* op;
ArchOpcode arch_opcode;
ArchOpcode reverse_arch_opcode;
ArchOpcode test_arch_opcode;
};
// ARM data processing instructions.
class DPIs V8_FINAL : public std::list<DPI>, private HandleAndZoneScope {
public:
DPIs() {
MachineOperatorBuilder machine(main_zone());
DPI and_ = {machine.Word32And(), kArmAnd, kArmAnd, kArmTst};
push_back(and_);
DPI or_ = {machine.Word32Or(), kArmOrr, kArmOrr, kArmOrr};
push_back(or_);
DPI xor_ = {machine.Word32Xor(), kArmEor, kArmEor, kArmTeq};
push_back(xor_);
DPI add = {machine.Int32Add(), kArmAdd, kArmAdd, kArmCmn};
push_back(add);
DPI sub = {machine.Int32Sub(), kArmSub, kArmRsb, kArmCmp};
push_back(sub);
}
};
struct ODPI {
Operator* op;
ArchOpcode arch_opcode;
ArchOpcode reverse_arch_opcode;
};
// ARM data processing instructions with overflow.
class ODPIs V8_FINAL : public std::list<ODPI>, private HandleAndZoneScope {
public:
ODPIs() {
MachineOperatorBuilder machine(main_zone());
ODPI add = {machine.Int32AddWithOverflow(), kArmAdd, kArmAdd};
push_back(add);
ODPI sub = {machine.Int32SubWithOverflow(), kArmSub, kArmRsb};
push_back(sub);
}
};
// ARM immediates.
class Immediates V8_FINAL : public std::list<int32_t> {
public:
Immediates() {
for (uint32_t imm8 = 0; imm8 < 256; ++imm8) {
for (uint32_t rot4 = 0; rot4 < 32; rot4 += 2) {
int32_t imm = (imm8 >> rot4) | (imm8 << (32 - rot4));
CHECK(Assembler::ImmediateFitsAddrMode1Instruction(imm));
push_back(imm);
}
}
}
};
struct Shift {
Operator* op;
int32_t i_low; // lowest possible immediate
int32_t i_high; // highest possible immediate
AddressingMode i_mode; // Operand2_R_<shift>_I
AddressingMode r_mode; // Operand2_R_<shift>_R
};
// ARM shifts.
class Shifts V8_FINAL : public std::list<Shift>, private HandleAndZoneScope {
public:
Shifts() {
MachineOperatorBuilder machine(main_zone());
Shift sar = {machine.Word32Sar(), 1, 32, kMode_Operand2_R_ASR_I,
kMode_Operand2_R_ASR_R};
Shift shl = {machine.Word32Shl(), 0, 31, kMode_Operand2_R_LSL_I,
kMode_Operand2_R_LSL_R};
Shift shr = {machine.Word32Shr(), 1, 32, kMode_Operand2_R_LSR_I,
kMode_Operand2_R_LSR_R};
push_back(sar);
push_back(shl);
push_back(shr);
}
};
} // namespace
TEST(InstructionSelectorDPIP) {
DPIs dpis;
for (DPIs::const_iterator i = dpis.begin(); i != dpis.end(); ++i) {
DPI dpi = *i;
InstructionSelectorTester m;
m.Return(m.NewNode(dpi.op, m.Parameter(0), m.Parameter(1)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
}
}
TEST(InstructionSelectorDPIImm) {
DPIs dpis;
Immediates immediates;
for (DPIs::const_iterator i = dpis.begin(); i != dpis.end(); ++i) {
DPI dpi = *i;
for (Immediates::const_iterator j = immediates.begin();
j != immediates.end(); ++j) {
int32_t imm = *j;
{
InstructionSelectorTester m;
m.Return(m.NewNode(dpi.op, m.Parameter(0), m.Int32Constant(imm)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
}
{
InstructionSelectorTester m;
m.Return(m.NewNode(dpi.op, m.Int32Constant(imm), m.Parameter(0)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.reverse_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
}
}
}
}
TEST(InstructionSelectorDPIAndShiftP) {
DPIs dpis;
Shifts shifts;
for (DPIs::const_iterator i = dpis.begin(); i != dpis.end(); ++i) {
DPI dpi = *i;
for (Shifts::const_iterator j = shifts.begin(); j != shifts.end(); ++j) {
Shift shift = *j;
{
InstructionSelectorTester m;
m.Return(
m.NewNode(dpi.op, m.Parameter(0),
m.NewNode(shift.op, m.Parameter(1), m.Parameter(2))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
}
{
InstructionSelectorTester m;
m.Return(m.NewNode(dpi.op,
m.NewNode(shift.op, m.Parameter(0), m.Parameter(1)),
m.Parameter(2)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.reverse_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
}
}
}
}
TEST(InstructionSelectorDPIAndRotateRightP) {
DPIs dpis;
for (DPIs::const_iterator i = dpis.begin(); i != dpis.end(); ++i) {
DPI dpi = *i;
{
InstructionSelectorTester m;
Node* value = m.Parameter(1);
Node* shift = m.Parameter(2);
Node* ror = m.Word32Or(
m.Word32Shr(value, shift),
m.Word32Shl(value, m.Int32Sub(m.Int32Constant(32), shift)));
m.Return(m.NewNode(dpi.op, m.Parameter(0), ror));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_ROR_R, m.code[0]->addressing_mode());
}
{
InstructionSelectorTester m;
Node* value = m.Parameter(1);
Node* shift = m.Parameter(2);
Node* ror =
m.Word32Or(m.Word32Shl(value, m.Int32Sub(m.Int32Constant(32), shift)),
m.Word32Shr(value, shift));
m.Return(m.NewNode(dpi.op, m.Parameter(0), ror));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_ROR_R, m.code[0]->addressing_mode());
}
{
InstructionSelectorTester m;
Node* value = m.Parameter(1);
Node* shift = m.Parameter(2);
Node* ror = m.Word32Or(
m.Word32Shr(value, shift),
m.Word32Shl(value, m.Int32Sub(m.Int32Constant(32), shift)));
m.Return(m.NewNode(dpi.op, ror, m.Parameter(0)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.reverse_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_ROR_R, m.code[0]->addressing_mode());
}
{
InstructionSelectorTester m;
Node* value = m.Parameter(1);
Node* shift = m.Parameter(2);
Node* ror =
m.Word32Or(m.Word32Shl(value, m.Int32Sub(m.Int32Constant(32), shift)),
m.Word32Shr(value, shift));
m.Return(m.NewNode(dpi.op, ror, m.Parameter(0)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.reverse_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_ROR_R, m.code[0]->addressing_mode());
}
}
}
TEST(InstructionSelectorDPIAndShiftImm) {
DPIs dpis;
Shifts shifts;
for (DPIs::const_iterator i = dpis.begin(); i != dpis.end(); ++i) {
DPI dpi = *i;
for (Shifts::const_iterator j = shifts.begin(); j != shifts.end(); ++j) {
Shift shift = *j;
for (int32_t imm = shift.i_low; imm <= shift.i_high; ++imm) {
{
InstructionSelectorTester m;
m.Return(m.NewNode(
dpi.op, m.Parameter(0),
m.NewNode(shift.op, m.Parameter(1), m.Int32Constant(imm))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(shift.i_mode, m.code[0]->addressing_mode());
}
{
InstructionSelectorTester m;
m.Return(m.NewNode(
dpi.op, m.NewNode(shift.op, m.Parameter(0), m.Int32Constant(imm)),
m.Parameter(1)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.reverse_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(shift.i_mode, m.code[0]->addressing_mode());
}
}
}
}
}
TEST(InstructionSelectorODPIP) {
ODPIs odpis;
for (ODPIs::const_iterator i = odpis.begin(); i != odpis.end(); ++i) {
ODPI odpi = *i;
{
InstructionSelectorTester m;
m.Return(
m.Projection(1, m.NewNode(odpi.op, m.Parameter(0), m.Parameter(1))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kOverflow, m.code[0]->flags_condition());
CHECK_EQ(2, m.code[0]->InputCount());
CHECK_LE(1, m.code[0]->OutputCount());
}
{
InstructionSelectorTester m;
m.Return(
m.Projection(0, m.NewNode(odpi.op, m.Parameter(0), m.Parameter(1))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_none, m.code[0]->flags_mode());
CHECK_EQ(2, m.code[0]->InputCount());
CHECK_LE(1, m.code[0]->OutputCount());
}
{
InstructionSelectorTester m;
Node* node = m.NewNode(odpi.op, m.Parameter(0), m.Parameter(1));
m.Return(m.Word32Equal(m.Projection(0, node), m.Projection(1, node)));
m.SelectInstructions();
CHECK_LE(1, m.code.size());
CHECK_EQ(odpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kOverflow, m.code[0]->flags_condition());
CHECK_EQ(2, m.code[0]->InputCount());
CHECK_EQ(2, m.code[0]->OutputCount());
}
}
}
TEST(InstructionSelectorODPIImm) {
ODPIs odpis;
Immediates immediates;
for (ODPIs::const_iterator i = odpis.begin(); i != odpis.end(); ++i) {
ODPI odpi = *i;
for (Immediates::const_iterator j = immediates.begin();
j != immediates.end(); ++j) {
int32_t imm = *j;
{
InstructionSelectorTester m;
m.Return(m.Projection(
1, m.NewNode(odpi.op, m.Parameter(0), m.Int32Constant(imm))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kOverflow, m.code[0]->flags_condition());
CHECK_EQ(2, m.code[0]->InputCount());
CHECK_EQ(imm, m.ToInt32(m.code[0]->InputAt(1)));
CHECK_LE(1, m.code[0]->OutputCount());
}
{
InstructionSelectorTester m;
m.Return(m.Projection(
1, m.NewNode(odpi.op, m.Int32Constant(imm), m.Parameter(0))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.reverse_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kOverflow, m.code[0]->flags_condition());
CHECK_EQ(2, m.code[0]->InputCount());
CHECK_EQ(imm, m.ToInt32(m.code[0]->InputAt(1)));
CHECK_LE(1, m.code[0]->OutputCount());
}
{
InstructionSelectorTester m;
m.Return(m.Projection(
0, m.NewNode(odpi.op, m.Parameter(0), m.Int32Constant(imm))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_none, m.code[0]->flags_mode());
CHECK_EQ(2, m.code[0]->InputCount());
CHECK_EQ(imm, m.ToInt32(m.code[0]->InputAt(1)));
CHECK_LE(1, m.code[0]->OutputCount());
}
{
InstructionSelectorTester m;
m.Return(m.Projection(
0, m.NewNode(odpi.op, m.Int32Constant(imm), m.Parameter(0))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.reverse_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_none, m.code[0]->flags_mode());
CHECK_EQ(2, m.code[0]->InputCount());
CHECK_EQ(imm, m.ToInt32(m.code[0]->InputAt(1)));
CHECK_LE(1, m.code[0]->OutputCount());
}
{
InstructionSelectorTester m;
Node* node = m.NewNode(odpi.op, m.Parameter(0), m.Int32Constant(imm));
m.Return(m.Word32Equal(m.Projection(0, node), m.Projection(1, node)));
m.SelectInstructions();
CHECK_LE(1, m.code.size());
CHECK_EQ(odpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kOverflow, m.code[0]->flags_condition());
CHECK_EQ(2, m.code[0]->InputCount());
CHECK_EQ(imm, m.ToInt32(m.code[0]->InputAt(1)));
CHECK_EQ(2, m.code[0]->OutputCount());
}
{
InstructionSelectorTester m;
Node* node = m.NewNode(odpi.op, m.Int32Constant(imm), m.Parameter(0));
m.Return(m.Word32Equal(m.Projection(0, node), m.Projection(1, node)));
m.SelectInstructions();
CHECK_LE(1, m.code.size());
CHECK_EQ(odpi.reverse_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kOverflow, m.code[0]->flags_condition());
CHECK_EQ(2, m.code[0]->InputCount());
CHECK_EQ(imm, m.ToInt32(m.code[0]->InputAt(1)));
CHECK_EQ(2, m.code[0]->OutputCount());
}
}
}
}
TEST(InstructionSelectorODPIAndShiftP) {
ODPIs odpis;
Shifts shifts;
for (ODPIs::const_iterator i = odpis.begin(); i != odpis.end(); ++i) {
ODPI odpi = *i;
for (Shifts::const_iterator j = shifts.begin(); j != shifts.end(); ++j) {
Shift shift = *j;
{
InstructionSelectorTester m;
m.Return(m.Projection(
1, m.NewNode(odpi.op, m.Parameter(0),
m.NewNode(shift.op, m.Parameter(1), m.Parameter(2)))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kOverflow, m.code[0]->flags_condition());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_LE(1, m.code[0]->OutputCount());
}
{
InstructionSelectorTester m;
m.Return(m.Projection(
1, m.NewNode(odpi.op,
m.NewNode(shift.op, m.Parameter(0), m.Parameter(1)),
m.Parameter(2))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.reverse_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kOverflow, m.code[0]->flags_condition());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_LE(1, m.code[0]->OutputCount());
}
{
InstructionSelectorTester m;
m.Return(m.Projection(
0, m.NewNode(odpi.op, m.Parameter(0),
m.NewNode(shift.op, m.Parameter(1), m.Parameter(2)))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_none, m.code[0]->flags_mode());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_LE(1, m.code[0]->OutputCount());
}
{
InstructionSelectorTester m;
m.Return(m.Projection(
0, m.NewNode(odpi.op,
m.NewNode(shift.op, m.Parameter(0), m.Parameter(1)),
m.Parameter(2))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.reverse_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_none, m.code[0]->flags_mode());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_LE(1, m.code[0]->OutputCount());
}
{
InstructionSelectorTester m;
Node* node =
m.NewNode(odpi.op, m.Parameter(0),
m.NewNode(shift.op, m.Parameter(1), m.Parameter(2)));
m.Return(m.Word32Equal(m.Projection(0, node), m.Projection(1, node)));
m.SelectInstructions();
CHECK_LE(1, m.code.size());
CHECK_EQ(odpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kOverflow, m.code[0]->flags_condition());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_EQ(2, m.code[0]->OutputCount());
}
{
InstructionSelectorTester m;
Node* node = m.NewNode(
odpi.op, m.NewNode(shift.op, m.Parameter(0), m.Parameter(1)),
m.Parameter(2));
m.Return(m.Word32Equal(m.Projection(0, node), m.Projection(1, node)));
m.SelectInstructions();
CHECK_LE(1, m.code.size());
CHECK_EQ(odpi.reverse_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kOverflow, m.code[0]->flags_condition());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_EQ(2, m.code[0]->OutputCount());
}
}
}
}
TEST(InstructionSelectorODPIAndShiftImm) {
ODPIs odpis;
Shifts shifts;
for (ODPIs::const_iterator i = odpis.begin(); i != odpis.end(); ++i) {
ODPI odpi = *i;
for (Shifts::const_iterator j = shifts.begin(); j != shifts.end(); ++j) {
Shift shift = *j;
for (int32_t imm = shift.i_low; imm <= shift.i_high; ++imm) {
{
InstructionSelectorTester m;
m.Return(m.Projection(1, m.NewNode(odpi.op, m.Parameter(0),
m.NewNode(shift.op, m.Parameter(1),
m.Int32Constant(imm)))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(shift.i_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kOverflow, m.code[0]->flags_condition());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_EQ(imm, m.ToInt32(m.code[0]->InputAt(2)));
CHECK_LE(1, m.code[0]->OutputCount());
}
{
InstructionSelectorTester m;
m.Return(m.Projection(
1, m.NewNode(odpi.op, m.NewNode(shift.op, m.Parameter(0),
m.Int32Constant(imm)),
m.Parameter(1))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.reverse_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(shift.i_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kOverflow, m.code[0]->flags_condition());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_EQ(imm, m.ToInt32(m.code[0]->InputAt(2)));
CHECK_LE(1, m.code[0]->OutputCount());
}
{
InstructionSelectorTester m;
m.Return(m.Projection(0, m.NewNode(odpi.op, m.Parameter(0),
m.NewNode(shift.op, m.Parameter(1),
m.Int32Constant(imm)))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(shift.i_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_none, m.code[0]->flags_mode());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_EQ(imm, m.ToInt32(m.code[0]->InputAt(2)));
CHECK_LE(1, m.code[0]->OutputCount());
}
{
InstructionSelectorTester m;
m.Return(m.Projection(
0, m.NewNode(odpi.op, m.NewNode(shift.op, m.Parameter(0),
m.Int32Constant(imm)),
m.Parameter(1))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.reverse_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(shift.i_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_none, m.code[0]->flags_mode());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_EQ(imm, m.ToInt32(m.code[0]->InputAt(2)));
CHECK_LE(1, m.code[0]->OutputCount());
}
{
InstructionSelectorTester m;
Node* node = m.NewNode(
odpi.op, m.Parameter(0),
m.NewNode(shift.op, m.Parameter(1), m.Int32Constant(imm)));
m.Return(m.Word32Equal(m.Projection(0, node), m.Projection(1, node)));
m.SelectInstructions();
CHECK_LE(1, m.code.size());
CHECK_EQ(odpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(shift.i_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kOverflow, m.code[0]->flags_condition());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_EQ(imm, m.ToInt32(m.code[0]->InputAt(2)));
CHECK_EQ(2, m.code[0]->OutputCount());
}
{
InstructionSelectorTester m;
Node* node = m.NewNode(odpi.op, m.NewNode(shift.op, m.Parameter(0),
m.Int32Constant(imm)),
m.Parameter(1));
m.Return(m.Word32Equal(m.Projection(0, node), m.Projection(1, node)));
m.SelectInstructions();
CHECK_LE(1, m.code.size());
CHECK_EQ(odpi.reverse_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(shift.i_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kOverflow, m.code[0]->flags_condition());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_EQ(imm, m.ToInt32(m.code[0]->InputAt(2)));
CHECK_EQ(2, m.code[0]->OutputCount());
}
}
}
}
}
TEST(InstructionSelectorWord32AndAndWord32XorWithMinus1P) {
{
InstructionSelectorTester m;
m.Return(m.Word32And(m.Parameter(0),
m.Word32Xor(m.Int32Constant(-1), m.Parameter(1))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmBic, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
}
{
InstructionSelectorTester m;
m.Return(m.Word32And(m.Parameter(0),
m.Word32Xor(m.Parameter(1), m.Int32Constant(-1))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmBic, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
}
{
InstructionSelectorTester m;
m.Return(m.Word32And(m.Word32Xor(m.Int32Constant(-1), m.Parameter(0)),
m.Parameter(1)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmBic, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
}
{
InstructionSelectorTester m;
m.Return(m.Word32And(m.Word32Xor(m.Parameter(0), m.Int32Constant(-1)),
m.Parameter(1)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmBic, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
}
}
TEST(InstructionSelectorWord32AndAndWord32XorWithMinus1AndShiftP) {
Shifts shifts;
for (Shifts::const_iterator i = shifts.begin(); i != shifts.end(); ++i) {
Shift shift = *i;
{
InstructionSelectorTester m;
m.Return(m.Word32And(
m.Parameter(0),
m.Word32Xor(m.Int32Constant(-1),
m.NewNode(shift.op, m.Parameter(1), m.Parameter(2)))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmBic, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
}
{
InstructionSelectorTester m;
m.Return(m.Word32And(
m.Parameter(0),
m.Word32Xor(m.NewNode(shift.op, m.Parameter(1), m.Parameter(2)),
m.Int32Constant(-1))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmBic, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
}
{
InstructionSelectorTester m;
m.Return(m.Word32And(
m.Word32Xor(m.Int32Constant(-1),
m.NewNode(shift.op, m.Parameter(0), m.Parameter(1))),
m.Parameter(2)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmBic, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
}
{
InstructionSelectorTester m;
m.Return(m.Word32And(
m.Word32Xor(m.NewNode(shift.op, m.Parameter(0), m.Parameter(1)),
m.Int32Constant(-1)),
m.Parameter(2)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmBic, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
}
}
}
TEST(InstructionSelectorWord32XorWithMinus1P) {
{
InstructionSelectorTester m;
m.Return(m.Word32Xor(m.Int32Constant(-1), m.Parameter(0)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmMvn, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
}
{
InstructionSelectorTester m;
m.Return(m.Word32Xor(m.Parameter(0), m.Int32Constant(-1)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmMvn, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
}
}
TEST(InstructionSelectorWord32XorWithMinus1AndShiftP) {
Shifts shifts;
for (Shifts::const_iterator i = shifts.begin(); i != shifts.end(); ++i) {
Shift shift = *i;
{
InstructionSelectorTester m;
m.Return(
m.Word32Xor(m.Int32Constant(-1),
m.NewNode(shift.op, m.Parameter(0), m.Parameter(1))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmMvn, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
}
{
InstructionSelectorTester m;
m.Return(m.Word32Xor(m.NewNode(shift.op, m.Parameter(0), m.Parameter(1)),
m.Int32Constant(-1)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmMvn, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
}
}
}
TEST(InstructionSelectorShiftP) {
Shifts shifts;
for (Shifts::const_iterator i = shifts.begin(); i != shifts.end(); ++i) {
Shift shift = *i;
InstructionSelectorTester m;
m.Return(m.NewNode(shift.op, m.Parameter(0), m.Parameter(1)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmMov, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
CHECK_EQ(2, m.code[0]->InputCount());
}
}
TEST(InstructionSelectorShiftImm) {
Shifts shifts;
for (Shifts::const_iterator i = shifts.begin(); i != shifts.end(); ++i) {
Shift shift = *i;
for (int32_t imm = shift.i_low; imm <= shift.i_high; ++imm) {
InstructionSelectorTester m;
m.Return(m.NewNode(shift.op, m.Parameter(0), m.Int32Constant(imm)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmMov, m.code[0]->arch_opcode());
CHECK_EQ(shift.i_mode, m.code[0]->addressing_mode());
CHECK_EQ(2, m.code[0]->InputCount());
CHECK_EQ(imm, m.ToInt32(m.code[0]->InputAt(1)));
}
}
}
TEST(InstructionSelectorRotateRightP) {
{
InstructionSelectorTester m;
Node* value = m.Parameter(0);
Node* shift = m.Parameter(1);
m.Return(
m.Word32Or(m.Word32Shr(value, shift),
m.Word32Shl(value, m.Int32Sub(m.Int32Constant(32), shift))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmMov, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_ROR_R, m.code[0]->addressing_mode());
CHECK_EQ(2, m.code[0]->InputCount());
}
{
InstructionSelectorTester m;
Node* value = m.Parameter(0);
Node* shift = m.Parameter(1);
m.Return(
m.Word32Or(m.Word32Shl(value, m.Int32Sub(m.Int32Constant(32), shift)),
m.Word32Shr(value, shift)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmMov, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_ROR_R, m.code[0]->addressing_mode());
CHECK_EQ(2, m.code[0]->InputCount());
}
}
TEST(InstructionSelectorRotateRightImm) {
FOR_INPUTS(uint32_t, ror, i) {
uint32_t shift = *i;
{
InstructionSelectorTester m;
Node* value = m.Parameter(0);
m.Return(m.Word32Or(m.Word32Shr(value, m.Int32Constant(shift)),
m.Word32Shl(value, m.Int32Constant(32 - shift))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmMov, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_ROR_I, m.code[0]->addressing_mode());
CHECK_EQ(2, m.code[0]->InputCount());
CHECK_EQ(shift, m.ToInt32(m.code[0]->InputAt(1)));
}
{
InstructionSelectorTester m;
Node* value = m.Parameter(0);
m.Return(m.Word32Or(m.Word32Shl(value, m.Int32Constant(32 - shift)),
m.Word32Shr(value, m.Int32Constant(shift))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmMov, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_ROR_I, m.code[0]->addressing_mode());
CHECK_EQ(2, m.code[0]->InputCount());
CHECK_EQ(shift, m.ToInt32(m.code[0]->InputAt(1)));
}
}
}
TEST(InstructionSelectorInt32MulP) {
InstructionSelectorTester m;
m.Return(m.Int32Mul(m.Parameter(0), m.Parameter(1)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmMul, m.code[0]->arch_opcode());
}
TEST(InstructionSelectorInt32MulImm) {
// x * (2^k + 1) -> (x >> k) + x
for (int k = 1; k < 31; ++k) {
InstructionSelectorTester m;
m.Return(m.Int32Mul(m.Parameter(0), m.Int32Constant((1 << k) + 1)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmAdd, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_LSL_I, m.code[0]->addressing_mode());
}
// (2^k + 1) * x -> (x >> k) + x
for (int k = 1; k < 31; ++k) {
InstructionSelectorTester m;
m.Return(m.Int32Mul(m.Int32Constant((1 << k) + 1), m.Parameter(0)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmAdd, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_LSL_I, m.code[0]->addressing_mode());
}
// x * (2^k - 1) -> (x >> k) - x
for (int k = 3; k < 31; ++k) {
InstructionSelectorTester m;
m.Return(m.Int32Mul(m.Parameter(0), m.Int32Constant((1 << k) - 1)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmRsb, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_LSL_I, m.code[0]->addressing_mode());
}
// (2^k - 1) * x -> (x >> k) - x
for (int k = 3; k < 31; ++k) {
InstructionSelectorTester m;
m.Return(m.Int32Mul(m.Int32Constant((1 << k) - 1), m.Parameter(0)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmRsb, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_LSL_I, m.code[0]->addressing_mode());
}
}
TEST(InstructionSelectorWord32AndImm_ARMv7) {
for (uint32_t width = 1; width <= 32; ++width) {
InstructionSelectorTester m;
m.Return(m.Word32And(m.Parameter(0),
m.Int32Constant(0xffffffffu >> (32 - width))));
m.SelectInstructions(ARMv7);
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmUbfx, m.code[0]->arch_opcode());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_EQ(0, m.ToInt32(m.code[0]->InputAt(1)));
CHECK_EQ(width, m.ToInt32(m.code[0]->InputAt(2)));
}
for (uint32_t lsb = 0; lsb <= 31; ++lsb) {
for (uint32_t width = 1; width < 32 - lsb; ++width) {
uint32_t msk = ~((0xffffffffu >> (32 - width)) << lsb);
InstructionSelectorTester m;
m.Return(m.Word32And(m.Parameter(0), m.Int32Constant(msk)));
m.SelectInstructions(ARMv7);
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmBfc, m.code[0]->arch_opcode());
CHECK_EQ(1, m.code[0]->OutputCount());
CHECK(UnallocatedOperand::cast(m.code[0]->Output())
->HasSameAsInputPolicy());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_EQ(lsb, m.ToInt32(m.code[0]->InputAt(1)));
CHECK_EQ(width, m.ToInt32(m.code[0]->InputAt(2)));
}
}
}
TEST(InstructionSelectorWord32AndAndWord32ShrImm_ARMv7) {
for (uint32_t lsb = 0; lsb <= 31; ++lsb) {
for (uint32_t width = 1; width <= 32 - lsb; ++width) {
{
InstructionSelectorTester m;
m.Return(m.Word32And(m.Word32Shr(m.Parameter(0), m.Int32Constant(lsb)),
m.Int32Constant(0xffffffffu >> (32 - width))));
m.SelectInstructions(ARMv7);
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmUbfx, m.code[0]->arch_opcode());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_EQ(lsb, m.ToInt32(m.code[0]->InputAt(1)));
CHECK_EQ(width, m.ToInt32(m.code[0]->InputAt(2)));
}
{
InstructionSelectorTester m;
m.Return(
m.Word32And(m.Int32Constant(0xffffffffu >> (32 - width)),
m.Word32Shr(m.Parameter(0), m.Int32Constant(lsb))));
m.SelectInstructions(ARMv7);
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmUbfx, m.code[0]->arch_opcode());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_EQ(lsb, m.ToInt32(m.code[0]->InputAt(1)));
CHECK_EQ(width, m.ToInt32(m.code[0]->InputAt(2)));
}
}
}
}
TEST(InstructionSelectorWord32ShrAndWord32AndImm_ARMv7) {
for (uint32_t lsb = 0; lsb <= 31; ++lsb) {
for (uint32_t width = 1; width <= 32 - lsb; ++width) {
uint32_t max = 1 << lsb;
if (max > static_cast<uint32_t>(kMaxInt)) max -= 1;
uint32_t jnk = CcTest::random_number_generator()->NextInt(max);
uint32_t msk = ((0xffffffffu >> (32 - width)) << lsb) | jnk;
{
InstructionSelectorTester m;
m.Return(m.Word32Shr(m.Word32And(m.Parameter(0), m.Int32Constant(msk)),
m.Int32Constant(lsb)));
m.SelectInstructions(ARMv7);
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmUbfx, m.code[0]->arch_opcode());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_EQ(lsb, m.ToInt32(m.code[0]->InputAt(1)));
CHECK_EQ(width, m.ToInt32(m.code[0]->InputAt(2)));
}
{
InstructionSelectorTester m;
m.Return(m.Word32Shr(m.Word32And(m.Int32Constant(msk), m.Parameter(0)),
m.Int32Constant(lsb)));
m.SelectInstructions(ARMv7);
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmUbfx, m.code[0]->arch_opcode());
CHECK_EQ(3, m.code[0]->InputCount());
CHECK_EQ(lsb, m.ToInt32(m.code[0]->InputAt(1)));
CHECK_EQ(width, m.ToInt32(m.code[0]->InputAt(2)));
}
}
}
}
TEST(InstructionSelectorInt32SubAndInt32MulP) {
InstructionSelectorTester m;
m.Return(
m.Int32Sub(m.Parameter(0), m.Int32Mul(m.Parameter(1), m.Parameter(2))));
m.SelectInstructions();
CHECK_EQ(2, m.code.size());
CHECK_EQ(kArmMul, m.code[0]->arch_opcode());
CHECK_EQ(1, m.code[0]->OutputCount());
CHECK_EQ(kArmSub, m.code[1]->arch_opcode());
CHECK_EQ(2, m.code[1]->InputCount());
CheckSameVreg(m.code[0]->Output(), m.code[1]->InputAt(1));
}
TEST(InstructionSelectorInt32SubAndInt32MulP_MLS) {
InstructionSelectorTester m;
m.Return(
m.Int32Sub(m.Parameter(0), m.Int32Mul(m.Parameter(1), m.Parameter(2))));
m.SelectInstructions(MLS);
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmMls, m.code[0]->arch_opcode());
}
TEST(InstructionSelectorInt32DivP) {
InstructionSelectorTester m;
m.Return(m.Int32Div(m.Parameter(0), m.Parameter(1)));
m.SelectInstructions();
CHECK_EQ(4, m.code.size());
CHECK_EQ(kArmVcvtF64S32, m.code[0]->arch_opcode());
CHECK_EQ(1, m.code[0]->OutputCount());
CHECK_EQ(kArmVcvtF64S32, m.code[1]->arch_opcode());
CHECK_EQ(1, m.code[1]->OutputCount());
CHECK_EQ(kArmVdivF64, m.code[2]->arch_opcode());
CHECK_EQ(2, m.code[2]->InputCount());
CHECK_EQ(1, m.code[2]->OutputCount());
CheckSameVreg(m.code[0]->Output(), m.code[2]->InputAt(0));
CheckSameVreg(m.code[1]->Output(), m.code[2]->InputAt(1));
CHECK_EQ(kArmVcvtS32F64, m.code[3]->arch_opcode());
CHECK_EQ(1, m.code[3]->InputCount());
CheckSameVreg(m.code[2]->Output(), m.code[3]->InputAt(0));
}
TEST(InstructionSelectorInt32DivP_SUDIV) {
InstructionSelectorTester m;
m.Return(m.Int32Div(m.Parameter(0), m.Parameter(1)));
m.SelectInstructions(SUDIV);
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmSdiv, m.code[0]->arch_opcode());
}
TEST(InstructionSelectorInt32UDivP) {
InstructionSelectorTester m;
m.Return(m.Int32UDiv(m.Parameter(0), m.Parameter(1)));
m.SelectInstructions();
CHECK_EQ(4, m.code.size());
CHECK_EQ(kArmVcvtF64U32, m.code[0]->arch_opcode());
CHECK_EQ(1, m.code[0]->OutputCount());
CHECK_EQ(kArmVcvtF64U32, m.code[1]->arch_opcode());
CHECK_EQ(1, m.code[1]->OutputCount());
CHECK_EQ(kArmVdivF64, m.code[2]->arch_opcode());
CHECK_EQ(2, m.code[2]->InputCount());
CHECK_EQ(1, m.code[2]->OutputCount());
CheckSameVreg(m.code[0]->Output(), m.code[2]->InputAt(0));
CheckSameVreg(m.code[1]->Output(), m.code[2]->InputAt(1));
CHECK_EQ(kArmVcvtU32F64, m.code[3]->arch_opcode());
CHECK_EQ(1, m.code[3]->InputCount());
CheckSameVreg(m.code[2]->Output(), m.code[3]->InputAt(0));
}
TEST(InstructionSelectorInt32UDivP_SUDIV) {
InstructionSelectorTester m;
m.Return(m.Int32UDiv(m.Parameter(0), m.Parameter(1)));
m.SelectInstructions(SUDIV);
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmUdiv, m.code[0]->arch_opcode());
}
TEST(InstructionSelectorInt32ModP) {
InstructionSelectorTester m;
m.Return(m.Int32Mod(m.Parameter(0), m.Parameter(1)));
m.SelectInstructions();
CHECK_EQ(6, m.code.size());
CHECK_EQ(kArmVcvtF64S32, m.code[0]->arch_opcode());
CHECK_EQ(1, m.code[0]->OutputCount());
CHECK_EQ(kArmVcvtF64S32, m.code[1]->arch_opcode());
CHECK_EQ(1, m.code[1]->OutputCount());
CHECK_EQ(kArmVdivF64, m.code[2]->arch_opcode());
CHECK_EQ(2, m.code[2]->InputCount());
CHECK_EQ(1, m.code[2]->OutputCount());
CheckSameVreg(m.code[0]->Output(), m.code[2]->InputAt(0));
CheckSameVreg(m.code[1]->Output(), m.code[2]->InputAt(1));
CHECK_EQ(kArmVcvtS32F64, m.code[3]->arch_opcode());
CHECK_EQ(1, m.code[3]->InputCount());
CheckSameVreg(m.code[2]->Output(), m.code[3]->InputAt(0));
CHECK_EQ(kArmMul, m.code[4]->arch_opcode());
CHECK_EQ(1, m.code[4]->OutputCount());
CHECK_EQ(2, m.code[4]->InputCount());
CheckSameVreg(m.code[3]->Output(), m.code[4]->InputAt(0));
CheckSameVreg(m.code[1]->InputAt(0), m.code[4]->InputAt(1));
CHECK_EQ(kArmSub, m.code[5]->arch_opcode());
CHECK_EQ(1, m.code[5]->OutputCount());
CHECK_EQ(2, m.code[5]->InputCount());
CheckSameVreg(m.code[0]->InputAt(0), m.code[5]->InputAt(0));
CheckSameVreg(m.code[4]->Output(), m.code[5]->InputAt(1));
}
TEST(InstructionSelectorInt32ModP_SUDIV) {
InstructionSelectorTester m;
m.Return(m.Int32Mod(m.Parameter(0), m.Parameter(1)));
m.SelectInstructions(SUDIV);
CHECK_EQ(3, m.code.size());
CHECK_EQ(kArmSdiv, m.code[0]->arch_opcode());
CHECK_EQ(1, m.code[0]->OutputCount());
CHECK_EQ(2, m.code[0]->InputCount());
CHECK_EQ(kArmMul, m.code[1]->arch_opcode());
CHECK_EQ(1, m.code[1]->OutputCount());
CHECK_EQ(2, m.code[1]->InputCount());
CheckSameVreg(m.code[0]->Output(), m.code[1]->InputAt(0));
CheckSameVreg(m.code[0]->InputAt(1), m.code[1]->InputAt(1));
CHECK_EQ(kArmSub, m.code[2]->arch_opcode());
CHECK_EQ(1, m.code[2]->OutputCount());
CHECK_EQ(2, m.code[2]->InputCount());
CheckSameVreg(m.code[0]->InputAt(0), m.code[2]->InputAt(0));
CheckSameVreg(m.code[1]->Output(), m.code[2]->InputAt(1));
}
TEST(InstructionSelectorInt32ModP_MLS_SUDIV) {
InstructionSelectorTester m;
m.Return(m.Int32Mod(m.Parameter(0), m.Parameter(1)));
m.SelectInstructions(MLS, SUDIV);
CHECK_EQ(2, m.code.size());
CHECK_EQ(kArmSdiv, m.code[0]->arch_opcode());
CHECK_EQ(1, m.code[0]->OutputCount());
CHECK_EQ(2, m.code[0]->InputCount());
CHECK_EQ(kArmMls, m.code[1]->arch_opcode());
CHECK_EQ(1, m.code[1]->OutputCount());
CHECK_EQ(3, m.code[1]->InputCount());
CheckSameVreg(m.code[0]->Output(), m.code[1]->InputAt(0));
CheckSameVreg(m.code[0]->InputAt(1), m.code[1]->InputAt(1));
CheckSameVreg(m.code[0]->InputAt(0), m.code[1]->InputAt(2));
}
TEST(InstructionSelectorInt32UModP) {
InstructionSelectorTester m;
m.Return(m.Int32UMod(m.Parameter(0), m.Parameter(1)));
m.SelectInstructions();
CHECK_EQ(6, m.code.size());
CHECK_EQ(kArmVcvtF64U32, m.code[0]->arch_opcode());
CHECK_EQ(1, m.code[0]->OutputCount());
CHECK_EQ(kArmVcvtF64U32, m.code[1]->arch_opcode());
CHECK_EQ(1, m.code[1]->OutputCount());
CHECK_EQ(kArmVdivF64, m.code[2]->arch_opcode());
CHECK_EQ(2, m.code[2]->InputCount());
CHECK_EQ(1, m.code[2]->OutputCount());
CheckSameVreg(m.code[0]->Output(), m.code[2]->InputAt(0));
CheckSameVreg(m.code[1]->Output(), m.code[2]->InputAt(1));
CHECK_EQ(kArmVcvtU32F64, m.code[3]->arch_opcode());
CHECK_EQ(1, m.code[3]->InputCount());
CheckSameVreg(m.code[2]->Output(), m.code[3]->InputAt(0));
CHECK_EQ(kArmMul, m.code[4]->arch_opcode());
CHECK_EQ(1, m.code[4]->OutputCount());
CHECK_EQ(2, m.code[4]->InputCount());
CheckSameVreg(m.code[3]->Output(), m.code[4]->InputAt(0));
CheckSameVreg(m.code[1]->InputAt(0), m.code[4]->InputAt(1));
CHECK_EQ(kArmSub, m.code[5]->arch_opcode());
CHECK_EQ(1, m.code[5]->OutputCount());
CHECK_EQ(2, m.code[5]->InputCount());
CheckSameVreg(m.code[0]->InputAt(0), m.code[5]->InputAt(0));
CheckSameVreg(m.code[4]->Output(), m.code[5]->InputAt(1));
}
TEST(InstructionSelectorInt32UModP_SUDIV) {
InstructionSelectorTester m;
m.Return(m.Int32UMod(m.Parameter(0), m.Parameter(1)));
m.SelectInstructions(SUDIV);
CHECK_EQ(3, m.code.size());
CHECK_EQ(kArmUdiv, m.code[0]->arch_opcode());
CHECK_EQ(1, m.code[0]->OutputCount());
CHECK_EQ(2, m.code[0]->InputCount());
CHECK_EQ(kArmMul, m.code[1]->arch_opcode());
CHECK_EQ(1, m.code[1]->OutputCount());
CHECK_EQ(2, m.code[1]->InputCount());
CheckSameVreg(m.code[0]->Output(), m.code[1]->InputAt(0));
CheckSameVreg(m.code[0]->InputAt(1), m.code[1]->InputAt(1));
CHECK_EQ(kArmSub, m.code[2]->arch_opcode());
CHECK_EQ(1, m.code[2]->OutputCount());
CHECK_EQ(2, m.code[2]->InputCount());
CheckSameVreg(m.code[0]->InputAt(0), m.code[2]->InputAt(0));
CheckSameVreg(m.code[1]->Output(), m.code[2]->InputAt(1));
}
TEST(InstructionSelectorInt32UModP_MLS_SUDIV) {
InstructionSelectorTester m;
m.Return(m.Int32UMod(m.Parameter(0), m.Parameter(1)));
m.SelectInstructions(MLS, SUDIV);
CHECK_EQ(2, m.code.size());
CHECK_EQ(kArmUdiv, m.code[0]->arch_opcode());
CHECK_EQ(1, m.code[0]->OutputCount());
CHECK_EQ(2, m.code[0]->InputCount());
CHECK_EQ(kArmMls, m.code[1]->arch_opcode());
CHECK_EQ(1, m.code[1]->OutputCount());
CHECK_EQ(3, m.code[1]->InputCount());
CheckSameVreg(m.code[0]->Output(), m.code[1]->InputAt(0));
CheckSameVreg(m.code[0]->InputAt(1), m.code[1]->InputAt(1));
CheckSameVreg(m.code[0]->InputAt(0), m.code[1]->InputAt(2));
}
TEST(InstructionSelectorWord32EqualP) {
InstructionSelectorTester m;
m.Return(m.Word32Equal(m.Parameter(0), m.Parameter(1)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmCmp, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
TEST(InstructionSelectorWord32EqualImm) {
Immediates immediates;
for (Immediates::const_iterator i = immediates.begin(); i != immediates.end();
++i) {
int32_t imm = *i;
{
InstructionSelectorTester m;
m.Return(m.Word32Equal(m.Parameter(0), m.Int32Constant(imm)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
if (imm == 0) {
CHECK_EQ(kArmTst, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
CHECK_EQ(2, m.code[0]->InputCount());
CheckSameVreg(m.code[0]->InputAt(0), m.code[0]->InputAt(1));
} else {
CHECK_EQ(kArmCmp, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
}
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
{
InstructionSelectorTester m;
m.Return(m.Word32Equal(m.Int32Constant(imm), m.Parameter(0)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
if (imm == 0) {
CHECK_EQ(kArmTst, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
CHECK_EQ(2, m.code[0]->InputCount());
CheckSameVreg(m.code[0]->InputAt(0), m.code[0]->InputAt(1));
} else {
CHECK_EQ(kArmCmp, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
}
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
}
}
TEST(InstructionSelectorWord32EqualAndDPIP) {
DPIs dpis;
for (DPIs::const_iterator i = dpis.begin(); i != dpis.end(); ++i) {
DPI dpi = *i;
{
InstructionSelectorTester m;
m.Return(m.Word32Equal(m.NewNode(dpi.op, m.Parameter(0), m.Parameter(1)),
m.Int32Constant(0)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.test_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
{
InstructionSelectorTester m;
m.Return(
m.Word32Equal(m.Int32Constant(0),
m.NewNode(dpi.op, m.Parameter(0), m.Parameter(1))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.test_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
}
}
TEST(InstructionSelectorWord32EqualAndDPIImm) {
DPIs dpis;
Immediates immediates;
for (DPIs::const_iterator i = dpis.begin(); i != dpis.end(); ++i) {
DPI dpi = *i;
for (Immediates::const_iterator j = immediates.begin();
j != immediates.end(); ++j) {
int32_t imm = *j;
{
InstructionSelectorTester m;
m.Return(m.Word32Equal(
m.NewNode(dpi.op, m.Parameter(0), m.Int32Constant(imm)),
m.Int32Constant(0)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.test_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
{
InstructionSelectorTester m;
m.Return(m.Word32Equal(
m.NewNode(dpi.op, m.Int32Constant(imm), m.Parameter(0)),
m.Int32Constant(0)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.test_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
{
InstructionSelectorTester m;
m.Return(m.Word32Equal(
m.Int32Constant(0),
m.NewNode(dpi.op, m.Parameter(0), m.Int32Constant(imm))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.test_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
{
InstructionSelectorTester m;
m.Return(m.Word32Equal(
m.Int32Constant(0),
m.NewNode(dpi.op, m.Int32Constant(imm), m.Parameter(0))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.test_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
}
}
}
TEST(InstructionSelectorWord32EqualAndShiftP) {
Shifts shifts;
for (Shifts::const_iterator i = shifts.begin(); i != shifts.end(); ++i) {
Shift shift = *i;
{
InstructionSelectorTester m;
m.Return(m.Word32Equal(
m.Parameter(0), m.NewNode(shift.op, m.Parameter(1), m.Parameter(2))));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmCmp, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
{
InstructionSelectorTester m;
m.Return(m.Word32Equal(
m.NewNode(shift.op, m.Parameter(0), m.Parameter(1)), m.Parameter(2)));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmCmp, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_set, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
}
}
TEST(InstructionSelectorBranchWithWord32EqualAndShiftP) {
Shifts shifts;
for (Shifts::const_iterator i = shifts.begin(); i != shifts.end(); ++i) {
Shift shift = *i;
{
InstructionSelectorTester m;
MLabel blocka, blockb;
m.Branch(m.Word32Equal(m.Parameter(0), m.NewNode(shift.op, m.Parameter(1),
m.Parameter(2))),
&blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(1));
m.Bind(&blockb);
m.Return(m.Int32Constant(0));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmCmp, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
{
InstructionSelectorTester m;
MLabel blocka, blockb;
m.Branch(
m.Word32Equal(m.NewNode(shift.op, m.Parameter(1), m.Parameter(2)),
m.Parameter(0)),
&blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(1));
m.Bind(&blockb);
m.Return(m.Int32Constant(0));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmCmp, m.code[0]->arch_opcode());
CHECK_EQ(shift.r_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
}
}
TEST(InstructionSelectorBranchWithWord32EqualAndShiftImm) {
Shifts shifts;
for (Shifts::const_iterator i = shifts.begin(); i != shifts.end(); ++i) {
Shift shift = *i;
for (int32_t imm = shift.i_low; imm <= shift.i_high; ++imm) {
{
InstructionSelectorTester m;
MLabel blocka, blockb;
m.Branch(
m.Word32Equal(m.Parameter(0), m.NewNode(shift.op, m.Parameter(1),
m.Int32Constant(imm))),
&blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(1));
m.Bind(&blockb);
m.Return(m.Int32Constant(0));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmCmp, m.code[0]->arch_opcode());
CHECK_EQ(shift.i_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
{
InstructionSelectorTester m;
MLabel blocka, blockb;
m.Branch(m.Word32Equal(
m.NewNode(shift.op, m.Parameter(1), m.Int32Constant(imm)),
m.Parameter(0)),
&blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(1));
m.Bind(&blockb);
m.Return(m.Int32Constant(0));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmCmp, m.code[0]->arch_opcode());
CHECK_EQ(shift.i_mode, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
}
}
}
TEST(InstructionSelectorBranchWithWord32EqualAndRotateRightP) {
{
InstructionSelectorTester m;
MLabel blocka, blockb;
Node* input = m.Parameter(0);
Node* value = m.Parameter(1);
Node* shift = m.Parameter(2);
Node* ror =
m.Word32Or(m.Word32Shr(value, shift),
m.Word32Shl(value, m.Int32Sub(m.Int32Constant(32), shift)));
m.Branch(m.Word32Equal(input, ror), &blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(1));
m.Bind(&blockb);
m.Return(m.Int32Constant(0));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmCmp, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_ROR_R, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
{
InstructionSelectorTester m;
MLabel blocka, blockb;
Node* input = m.Parameter(0);
Node* value = m.Parameter(1);
Node* shift = m.Parameter(2);
Node* ror =
m.Word32Or(m.Word32Shl(value, m.Int32Sub(m.Int32Constant(32), shift)),
m.Word32Shr(value, shift));
m.Branch(m.Word32Equal(input, ror), &blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(1));
m.Bind(&blockb);
m.Return(m.Int32Constant(0));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmCmp, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_ROR_R, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
{
InstructionSelectorTester m;
MLabel blocka, blockb;
Node* input = m.Parameter(0);
Node* value = m.Parameter(1);
Node* shift = m.Parameter(2);
Node* ror =
m.Word32Or(m.Word32Shr(value, shift),
m.Word32Shl(value, m.Int32Sub(m.Int32Constant(32), shift)));
m.Branch(m.Word32Equal(ror, input), &blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(1));
m.Bind(&blockb);
m.Return(m.Int32Constant(0));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmCmp, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_ROR_R, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
{
InstructionSelectorTester m;
MLabel blocka, blockb;
Node* input = m.Parameter(0);
Node* value = m.Parameter(1);
Node* shift = m.Parameter(2);
Node* ror =
m.Word32Or(m.Word32Shl(value, m.Int32Sub(m.Int32Constant(32), shift)),
m.Word32Shr(value, shift));
m.Branch(m.Word32Equal(ror, input), &blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(1));
m.Bind(&blockb);
m.Return(m.Int32Constant(0));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmCmp, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_ROR_R, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
}
TEST(InstructionSelectorBranchWithWord32EqualAndRotateRightImm) {
FOR_INPUTS(uint32_t, ror, i) {
uint32_t shift = *i;
{
InstructionSelectorTester m;
MLabel blocka, blockb;
Node* input = m.Parameter(0);
Node* value = m.Parameter(1);
Node* ror = m.Word32Or(m.Word32Shr(value, m.Int32Constant(shift)),
m.Word32Shl(value, m.Int32Constant(32 - shift)));
m.Branch(m.Word32Equal(input, ror), &blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(1));
m.Bind(&blockb);
m.Return(m.Int32Constant(0));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmCmp, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_ROR_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
CHECK_LE(3, m.code[0]->InputCount());
CHECK_EQ(shift, m.ToInt32(m.code[0]->InputAt(2)));
}
{
InstructionSelectorTester m;
MLabel blocka, blockb;
Node* input = m.Parameter(0);
Node* value = m.Parameter(1);
Node* ror = m.Word32Or(m.Word32Shl(value, m.Int32Constant(32 - shift)),
m.Word32Shr(value, m.Int32Constant(shift)));
m.Branch(m.Word32Equal(input, ror), &blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(1));
m.Bind(&blockb);
m.Return(m.Int32Constant(0));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmCmp, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_ROR_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
CHECK_LE(3, m.code[0]->InputCount());
CHECK_EQ(shift, m.ToInt32(m.code[0]->InputAt(2)));
}
{
InstructionSelectorTester m;
MLabel blocka, blockb;
Node* input = m.Parameter(0);
Node* value = m.Parameter(1);
Node* ror = m.Word32Or(m.Word32Shr(value, m.Int32Constant(shift)),
m.Word32Shl(value, m.Int32Constant(32 - shift)));
m.Branch(m.Word32Equal(ror, input), &blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(1));
m.Bind(&blockb);
m.Return(m.Int32Constant(0));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmCmp, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_ROR_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
CHECK_LE(3, m.code[0]->InputCount());
CHECK_EQ(shift, m.ToInt32(m.code[0]->InputAt(2)));
}
{
InstructionSelectorTester m;
MLabel blocka, blockb;
Node* input = m.Parameter(0);
Node* value = m.Parameter(1);
Node* ror = m.Word32Or(m.Word32Shl(value, m.Int32Constant(32 - shift)),
m.Word32Shr(value, m.Int32Constant(shift)));
m.Branch(m.Word32Equal(ror, input), &blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(1));
m.Bind(&blockb);
m.Return(m.Int32Constant(0));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(kArmCmp, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R_ROR_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
CHECK_LE(3, m.code[0]->InputCount());
CHECK_EQ(shift, m.ToInt32(m.code[0]->InputAt(2)));
}
}
}
TEST(InstructionSelectorBranchWithDPIP) {
DPIs dpis;
for (DPIs::const_iterator i = dpis.begin(); i != dpis.end(); ++i) {
DPI dpi = *i;
{
InstructionSelectorTester m;
MLabel blocka, blockb;
m.Branch(m.NewNode(dpi.op, m.Parameter(0), m.Parameter(1)), &blocka,
&blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(1));
m.Bind(&blockb);
m.Return(m.Int32Constant(0));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.test_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kNotEqual, m.code[0]->flags_condition());
}
{
InstructionSelectorTester m;
MLabel blocka, blockb;
m.Branch(m.Word32Equal(m.Int32Constant(0),
m.NewNode(dpi.op, m.Parameter(0), m.Parameter(1))),
&blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(1));
m.Bind(&blockb);
m.Return(m.Int32Constant(0));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.test_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
{
InstructionSelectorTester m;
MLabel blocka, blockb;
m.Branch(m.Word32Equal(m.NewNode(dpi.op, m.Parameter(0), m.Parameter(1)),
m.Int32Constant(0)),
&blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(1));
m.Bind(&blockb);
m.Return(m.Int32Constant(0));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(dpi.test_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kEqual, m.code[0]->flags_condition());
}
}
}
TEST(InstructionSelectorBranchWithODPIP) {
ODPIs odpis;
for (ODPIs::const_iterator i = odpis.begin(); i != odpis.end(); ++i) {
ODPI odpi = *i;
{
InstructionSelectorTester m;
MLabel blocka, blockb;
Node* node = m.NewNode(odpi.op, m.Parameter(0), m.Parameter(1));
m.Branch(m.Projection(1, node), &blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(0));
m.Bind(&blockb);
m.Return(m.Projection(0, node));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kOverflow, m.code[0]->flags_condition());
}
{
InstructionSelectorTester m;
MLabel blocka, blockb;
Node* node = m.NewNode(odpi.op, m.Parameter(0), m.Parameter(1));
m.Branch(m.Word32Equal(m.Projection(1, node), m.Int32Constant(0)),
&blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(0));
m.Bind(&blockb);
m.Return(m.Projection(0, node));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kNotOverflow, m.code[0]->flags_condition());
}
{
InstructionSelectorTester m;
MLabel blocka, blockb;
Node* node = m.NewNode(odpi.op, m.Parameter(0), m.Parameter(1));
m.Branch(m.Word32Equal(m.Int32Constant(0), m.Projection(1, node)),
&blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(0));
m.Bind(&blockb);
m.Return(m.Projection(0, node));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_R, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kNotOverflow, m.code[0]->flags_condition());
}
}
}
TEST(InstructionSelectorBranchWithODPIImm) {
ODPIs odpis;
Immediates immediates;
for (ODPIs::const_iterator i = odpis.begin(); i != odpis.end(); ++i) {
ODPI odpi = *i;
for (Immediates::const_iterator j = immediates.begin();
j != immediates.end(); ++j) {
int32_t imm = *j;
{
InstructionSelectorTester m;
MLabel blocka, blockb;
Node* node = m.NewNode(odpi.op, m.Parameter(0), m.Int32Constant(imm));
m.Branch(m.Projection(1, node), &blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(0));
m.Bind(&blockb);
m.Return(m.Projection(0, node));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kOverflow, m.code[0]->flags_condition());
CHECK_LE(2, m.code[0]->InputCount());
CHECK_EQ(imm, m.ToInt32(m.code[0]->InputAt(1)));
}
{
InstructionSelectorTester m;
MLabel blocka, blockb;
Node* node = m.NewNode(odpi.op, m.Int32Constant(imm), m.Parameter(0));
m.Branch(m.Projection(1, node), &blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(0));
m.Bind(&blockb);
m.Return(m.Projection(0, node));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.reverse_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kOverflow, m.code[0]->flags_condition());
CHECK_LE(2, m.code[0]->InputCount());
CHECK_EQ(imm, m.ToInt32(m.code[0]->InputAt(1)));
}
{
InstructionSelectorTester m;
MLabel blocka, blockb;
Node* node = m.NewNode(odpi.op, m.Parameter(0), m.Int32Constant(imm));
m.Branch(m.Word32Equal(m.Projection(1, node), m.Int32Constant(0)),
&blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(0));
m.Bind(&blockb);
m.Return(m.Projection(0, node));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kNotOverflow, m.code[0]->flags_condition());
CHECK_LE(2, m.code[0]->InputCount());
CHECK_EQ(imm, m.ToInt32(m.code[0]->InputAt(1)));
}
{
InstructionSelectorTester m;
MLabel blocka, blockb;
Node* node = m.NewNode(odpi.op, m.Int32Constant(imm), m.Parameter(0));
m.Branch(m.Word32Equal(m.Projection(1, node), m.Int32Constant(0)),
&blocka, &blockb);
m.Bind(&blocka);
m.Return(m.Int32Constant(0));
m.Bind(&blockb);
m.Return(m.Projection(0, node));
m.SelectInstructions();
CHECK_EQ(1, m.code.size());
CHECK_EQ(odpi.reverse_arch_opcode, m.code[0]->arch_opcode());
CHECK_EQ(kMode_Operand2_I, m.code[0]->addressing_mode());
CHECK_EQ(kFlags_branch, m.code[0]->flags_mode());
CHECK_EQ(kNotOverflow, m.code[0]->flags_condition());
CHECK_LE(2, m.code[0]->InputCount());
CHECK_EQ(imm, m.ToInt32(m.code[0]->InputAt(1)));
}
}
}
}