mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-13 20:32:21 +00:00
1b3ab9199f
Patch by Dmitri Shtilman! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195116 91177308-0d34-0410-b5e6-96231b3b80d8
265 lines
8.5 KiB
C++
265 lines
8.5 KiB
C++
//===- IntegerDivision.cpp - Unit tests for the integer division code -----===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Transforms/Utils/IntegerDivision.h"
|
|
#include "llvm/IR/BasicBlock.h"
|
|
#include "llvm/IR/Function.h"
|
|
#include "llvm/IR/GlobalValue.h"
|
|
#include "llvm/IR/IRBuilder.h"
|
|
#include "llvm/IR/Module.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
|
|
|
|
TEST(IntegerDivision, SDiv) {
|
|
LLVMContext &C(getGlobalContext());
|
|
Module M("test division", C);
|
|
IRBuilder<> Builder(C);
|
|
|
|
SmallVector<Type*, 2> ArgTys(2, Builder.getInt32Ty());
|
|
Function *F = Function::Create(FunctionType::get(Builder.getInt32Ty(),
|
|
ArgTys, false),
|
|
GlobalValue::ExternalLinkage, "F", &M);
|
|
assert(F->getArgumentList().size() == 2);
|
|
|
|
BasicBlock *BB = BasicBlock::Create(C, "", F);
|
|
Builder.SetInsertPoint(BB);
|
|
|
|
Function::arg_iterator AI = F->arg_begin();
|
|
Value *A = AI++;
|
|
Value *B = AI++;
|
|
|
|
Value *Div = Builder.CreateSDiv(A, B);
|
|
EXPECT_TRUE(BB->front().getOpcode() == Instruction::SDiv);
|
|
|
|
Value *Ret = Builder.CreateRet(Div);
|
|
|
|
expandDivision(cast<BinaryOperator>(Div));
|
|
EXPECT_TRUE(BB->front().getOpcode() == Instruction::AShr);
|
|
|
|
Instruction* Quotient = dyn_cast<Instruction>(cast<User>(Ret)->getOperand(0));
|
|
EXPECT_TRUE(Quotient && Quotient->getOpcode() == Instruction::Sub);
|
|
}
|
|
|
|
TEST(IntegerDivision, UDiv) {
|
|
LLVMContext &C(getGlobalContext());
|
|
Module M("test division", C);
|
|
IRBuilder<> Builder(C);
|
|
|
|
SmallVector<Type*, 2> ArgTys(2, Builder.getInt32Ty());
|
|
Function *F = Function::Create(FunctionType::get(Builder.getInt32Ty(),
|
|
ArgTys, false),
|
|
GlobalValue::ExternalLinkage, "F", &M);
|
|
assert(F->getArgumentList().size() == 2);
|
|
|
|
BasicBlock *BB = BasicBlock::Create(C, "", F);
|
|
Builder.SetInsertPoint(BB);
|
|
|
|
Function::arg_iterator AI = F->arg_begin();
|
|
Value *A = AI++;
|
|
Value *B = AI++;
|
|
|
|
Value *Div = Builder.CreateUDiv(A, B);
|
|
EXPECT_TRUE(BB->front().getOpcode() == Instruction::UDiv);
|
|
|
|
Value *Ret = Builder.CreateRet(Div);
|
|
|
|
expandDivision(cast<BinaryOperator>(Div));
|
|
EXPECT_TRUE(BB->front().getOpcode() == Instruction::ICmp);
|
|
|
|
Instruction* Quotient = dyn_cast<Instruction>(cast<User>(Ret)->getOperand(0));
|
|
EXPECT_TRUE(Quotient && Quotient->getOpcode() == Instruction::PHI);
|
|
}
|
|
|
|
TEST(IntegerDivision, SRem) {
|
|
LLVMContext &C(getGlobalContext());
|
|
Module M("test remainder", C);
|
|
IRBuilder<> Builder(C);
|
|
|
|
SmallVector<Type*, 2> ArgTys(2, Builder.getInt32Ty());
|
|
Function *F = Function::Create(FunctionType::get(Builder.getInt32Ty(),
|
|
ArgTys, false),
|
|
GlobalValue::ExternalLinkage, "F", &M);
|
|
assert(F->getArgumentList().size() == 2);
|
|
|
|
BasicBlock *BB = BasicBlock::Create(C, "", F);
|
|
Builder.SetInsertPoint(BB);
|
|
|
|
Function::arg_iterator AI = F->arg_begin();
|
|
Value *A = AI++;
|
|
Value *B = AI++;
|
|
|
|
Value *Rem = Builder.CreateSRem(A, B);
|
|
EXPECT_TRUE(BB->front().getOpcode() == Instruction::SRem);
|
|
|
|
Value *Ret = Builder.CreateRet(Rem);
|
|
|
|
expandRemainder(cast<BinaryOperator>(Rem));
|
|
EXPECT_TRUE(BB->front().getOpcode() == Instruction::AShr);
|
|
|
|
Instruction* Remainder = dyn_cast<Instruction>(cast<User>(Ret)->getOperand(0));
|
|
EXPECT_TRUE(Remainder && Remainder->getOpcode() == Instruction::Sub);
|
|
}
|
|
|
|
TEST(IntegerDivision, URem) {
|
|
LLVMContext &C(getGlobalContext());
|
|
Module M("test remainder", C);
|
|
IRBuilder<> Builder(C);
|
|
|
|
SmallVector<Type*, 2> ArgTys(2, Builder.getInt32Ty());
|
|
Function *F = Function::Create(FunctionType::get(Builder.getInt32Ty(),
|
|
ArgTys, false),
|
|
GlobalValue::ExternalLinkage, "F", &M);
|
|
assert(F->getArgumentList().size() == 2);
|
|
|
|
BasicBlock *BB = BasicBlock::Create(C, "", F);
|
|
Builder.SetInsertPoint(BB);
|
|
|
|
Function::arg_iterator AI = F->arg_begin();
|
|
Value *A = AI++;
|
|
Value *B = AI++;
|
|
|
|
Value *Rem = Builder.CreateURem(A, B);
|
|
EXPECT_TRUE(BB->front().getOpcode() == Instruction::URem);
|
|
|
|
Value *Ret = Builder.CreateRet(Rem);
|
|
|
|
expandRemainder(cast<BinaryOperator>(Rem));
|
|
EXPECT_TRUE(BB->front().getOpcode() == Instruction::ICmp);
|
|
|
|
Instruction* Remainder = dyn_cast<Instruction>(cast<User>(Ret)->getOperand(0));
|
|
EXPECT_TRUE(Remainder && Remainder->getOpcode() == Instruction::Sub);
|
|
}
|
|
|
|
|
|
TEST(IntegerDivision, SDiv64) {
|
|
LLVMContext &C(getGlobalContext());
|
|
Module M("test division", C);
|
|
IRBuilder<> Builder(C);
|
|
|
|
SmallVector<Type*, 2> ArgTys(2, Builder.getInt64Ty());
|
|
Function *F = Function::Create(FunctionType::get(Builder.getInt64Ty(),
|
|
ArgTys, false),
|
|
GlobalValue::ExternalLinkage, "F", &M);
|
|
assert(F->getArgumentList().size() == 2);
|
|
|
|
BasicBlock *BB = BasicBlock::Create(C, "", F);
|
|
Builder.SetInsertPoint(BB);
|
|
|
|
Function::arg_iterator AI = F->arg_begin();
|
|
Value *A = AI++;
|
|
Value *B = AI++;
|
|
|
|
Value *Div = Builder.CreateSDiv(A, B);
|
|
EXPECT_TRUE(BB->front().getOpcode() == Instruction::SDiv);
|
|
|
|
Value *Ret = Builder.CreateRet(Div);
|
|
|
|
expandDivision(cast<BinaryOperator>(Div));
|
|
EXPECT_TRUE(BB->front().getOpcode() == Instruction::AShr);
|
|
|
|
Instruction* Quotient = dyn_cast<Instruction>(cast<User>(Ret)->getOperand(0));
|
|
EXPECT_TRUE(Quotient && Quotient->getOpcode() == Instruction::Sub);
|
|
}
|
|
|
|
TEST(IntegerDivision, UDiv64) {
|
|
LLVMContext &C(getGlobalContext());
|
|
Module M("test division", C);
|
|
IRBuilder<> Builder(C);
|
|
|
|
SmallVector<Type*, 2> ArgTys(2, Builder.getInt64Ty());
|
|
Function *F = Function::Create(FunctionType::get(Builder.getInt64Ty(),
|
|
ArgTys, false),
|
|
GlobalValue::ExternalLinkage, "F", &M);
|
|
assert(F->getArgumentList().size() == 2);
|
|
|
|
BasicBlock *BB = BasicBlock::Create(C, "", F);
|
|
Builder.SetInsertPoint(BB);
|
|
|
|
Function::arg_iterator AI = F->arg_begin();
|
|
Value *A = AI++;
|
|
Value *B = AI++;
|
|
|
|
Value *Div = Builder.CreateUDiv(A, B);
|
|
EXPECT_TRUE(BB->front().getOpcode() == Instruction::UDiv);
|
|
|
|
Value *Ret = Builder.CreateRet(Div);
|
|
|
|
expandDivision(cast<BinaryOperator>(Div));
|
|
EXPECT_TRUE(BB->front().getOpcode() == Instruction::ICmp);
|
|
|
|
Instruction* Quotient = dyn_cast<Instruction>(cast<User>(Ret)->getOperand(0));
|
|
EXPECT_TRUE(Quotient && Quotient->getOpcode() == Instruction::PHI);
|
|
}
|
|
|
|
TEST(IntegerDivision, SRem64) {
|
|
LLVMContext &C(getGlobalContext());
|
|
Module M("test remainder", C);
|
|
IRBuilder<> Builder(C);
|
|
|
|
SmallVector<Type*, 2> ArgTys(2, Builder.getInt64Ty());
|
|
Function *F = Function::Create(FunctionType::get(Builder.getInt64Ty(),
|
|
ArgTys, false),
|
|
GlobalValue::ExternalLinkage, "F", &M);
|
|
assert(F->getArgumentList().size() == 2);
|
|
|
|
BasicBlock *BB = BasicBlock::Create(C, "", F);
|
|
Builder.SetInsertPoint(BB);
|
|
|
|
Function::arg_iterator AI = F->arg_begin();
|
|
Value *A = AI++;
|
|
Value *B = AI++;
|
|
|
|
Value *Rem = Builder.CreateSRem(A, B);
|
|
EXPECT_TRUE(BB->front().getOpcode() == Instruction::SRem);
|
|
|
|
Value *Ret = Builder.CreateRet(Rem);
|
|
|
|
expandRemainder(cast<BinaryOperator>(Rem));
|
|
EXPECT_TRUE(BB->front().getOpcode() == Instruction::AShr);
|
|
|
|
Instruction* Remainder = dyn_cast<Instruction>(cast<User>(Ret)->getOperand(0));
|
|
EXPECT_TRUE(Remainder && Remainder->getOpcode() == Instruction::Sub);
|
|
}
|
|
|
|
TEST(IntegerDivision, URem64) {
|
|
LLVMContext &C(getGlobalContext());
|
|
Module M("test remainder", C);
|
|
IRBuilder<> Builder(C);
|
|
|
|
SmallVector<Type*, 2> ArgTys(2, Builder.getInt64Ty());
|
|
Function *F = Function::Create(FunctionType::get(Builder.getInt64Ty(),
|
|
ArgTys, false),
|
|
GlobalValue::ExternalLinkage, "F", &M);
|
|
assert(F->getArgumentList().size() == 2);
|
|
|
|
BasicBlock *BB = BasicBlock::Create(C, "", F);
|
|
Builder.SetInsertPoint(BB);
|
|
|
|
Function::arg_iterator AI = F->arg_begin();
|
|
Value *A = AI++;
|
|
Value *B = AI++;
|
|
|
|
Value *Rem = Builder.CreateURem(A, B);
|
|
EXPECT_TRUE(BB->front().getOpcode() == Instruction::URem);
|
|
|
|
Value *Ret = Builder.CreateRet(Rem);
|
|
|
|
expandRemainder(cast<BinaryOperator>(Rem));
|
|
EXPECT_TRUE(BB->front().getOpcode() == Instruction::ICmp);
|
|
|
|
Instruction* Remainder = dyn_cast<Instruction>(cast<User>(Ret)->getOperand(0));
|
|
EXPECT_TRUE(Remainder && Remainder->getOpcode() == Instruction::Sub);
|
|
}
|
|
|
|
}
|