forked from OSchip/llvm-project
125 lines
3.1 KiB
C++
125 lines
3.1 KiB
C++
//===- llvm/unittest/VMCore/InstructionsTest.cpp - Instructions unit tests ===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Instructions.h"
|
|
#include "llvm/BasicBlock.h"
|
|
#include "llvm/DerivedTypes.h"
|
|
#include "llvm/LLVMContext.h"
|
|
#include "llvm/ADT/STLExtras.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
namespace llvm {
|
|
namespace {
|
|
|
|
TEST(InstructionsTest, ReturnInst) {
|
|
LLVMContext &C(getGlobalContext());
|
|
|
|
// test for PR6589
|
|
const ReturnInst* r0 = ReturnInst::Create(C);
|
|
EXPECT_EQ(r0->getNumOperands(), 0U);
|
|
EXPECT_EQ(r0->op_begin(), r0->op_end());
|
|
|
|
const IntegerType* Int1 = IntegerType::get(C, 1);
|
|
Constant* One = ConstantInt::get(Int1, 1, true);
|
|
const ReturnInst* r1 = ReturnInst::Create(C, One);
|
|
EXPECT_EQ(r1->getNumOperands(), 1U);
|
|
User::const_op_iterator b(r1->op_begin());
|
|
EXPECT_NE(b, r1->op_end());
|
|
EXPECT_EQ(*b, One);
|
|
EXPECT_EQ(r1->getOperand(0), One);
|
|
++b;
|
|
EXPECT_EQ(b, r1->op_end());
|
|
|
|
// clean up
|
|
delete r0;
|
|
delete r1;
|
|
}
|
|
|
|
TEST(InstructionsTest, BranchInst) {
|
|
LLVMContext &C(getGlobalContext());
|
|
|
|
// Make a BasicBlocks
|
|
BasicBlock* bb0 = BasicBlock::Create(C);
|
|
BasicBlock* bb1 = BasicBlock::Create(C);
|
|
|
|
// Mandatory BranchInst
|
|
const BranchInst* b0 = BranchInst::Create(bb0);
|
|
|
|
EXPECT_TRUE(b0->isUnconditional());
|
|
EXPECT_FALSE(b0->isConditional());
|
|
EXPECT_EQ(b0->getNumSuccessors(), 1U);
|
|
|
|
// check num operands
|
|
EXPECT_EQ(b0->getNumOperands(), 1U);
|
|
|
|
EXPECT_NE(b0->op_begin(), b0->op_end());
|
|
EXPECT_EQ(llvm::next(b0->op_begin()), b0->op_end());
|
|
|
|
EXPECT_EQ(llvm::next(b0->op_begin()), b0->op_end());
|
|
|
|
const IntegerType* Int1 = IntegerType::get(C, 1);
|
|
Constant* One = ConstantInt::get(Int1, 1, true);
|
|
|
|
// Conditional BranchInst
|
|
BranchInst* b1 = BranchInst::Create(bb0, bb1, One);
|
|
|
|
EXPECT_FALSE(b1->isUnconditional());
|
|
EXPECT_TRUE(b1->isConditional());
|
|
EXPECT_EQ(b1->getNumSuccessors(), 2U);
|
|
|
|
// check num operands
|
|
EXPECT_EQ(b1->getNumOperands(), 3U);
|
|
|
|
User::const_op_iterator b(b1->op_begin());
|
|
|
|
// check COND
|
|
EXPECT_NE(b, b1->op_end());
|
|
EXPECT_EQ(*b, One);
|
|
EXPECT_EQ(b1->getOperand(0), One);
|
|
EXPECT_EQ(b1->getCondition(), One);
|
|
++b;
|
|
|
|
// check ELSE
|
|
EXPECT_EQ(*b, bb1);
|
|
EXPECT_EQ(b1->getOperand(1), bb1);
|
|
EXPECT_EQ(b1->getSuccessor(1), bb1);
|
|
++b;
|
|
|
|
// check THEN
|
|
EXPECT_EQ(*b, bb0);
|
|
EXPECT_EQ(b1->getOperand(2), bb0);
|
|
EXPECT_EQ(b1->getSuccessor(0), bb0);
|
|
++b;
|
|
|
|
EXPECT_EQ(b, b1->op_end());
|
|
|
|
// clean up
|
|
delete b0;
|
|
delete b1;
|
|
|
|
delete bb0;
|
|
delete bb1;
|
|
}
|
|
|
|
TEST(InstructionsTest, CastInst) {
|
|
LLVMContext &C(getGlobalContext());
|
|
|
|
const Type* Int8Ty = Type::getInt8Ty(C);
|
|
const Type* Int64Ty = Type::getInt64Ty(C);
|
|
const Type* V8x8Ty = VectorType::get(Int8Ty, 8);
|
|
const Type* X86MMXTy = Type::getX86_MMXTy(C);
|
|
|
|
EXPECT_TRUE(CastInst::isCastable(V8x8Ty, X86MMXTy));
|
|
EXPECT_TRUE(CastInst::isCastable(X86MMXTy, V8x8Ty));
|
|
EXPECT_FALSE(CastInst::isCastable(Int64Ty, X86MMXTy));
|
|
}
|
|
|
|
} // end anonymous namespace
|
|
} // end namespace llvm
|