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flip these tests around. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138708 91177308-0d34-0410-b5e6-96231b3b80d8
134 lines
3.5 KiB
C++
134 lines
3.5 KiB
C++
//===- llvm/unittest/VMCore/InstructionsTest.cpp - Instructions unit tests ===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Instructions.h"
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#include "llvm/BasicBlock.h"
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#include "llvm/Constants.h"
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#include "llvm/DerivedTypes.h"
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#include "llvm/LLVMContext.h"
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#include "llvm/ADT/STLExtras.h"
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#include "gtest/gtest.h"
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namespace llvm {
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namespace {
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TEST(InstructionsTest, ReturnInst) {
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LLVMContext &C(getGlobalContext());
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// test for PR6589
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const ReturnInst* r0 = ReturnInst::Create(C);
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EXPECT_EQ(r0->getNumOperands(), 0U);
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EXPECT_EQ(r0->op_begin(), r0->op_end());
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IntegerType* Int1 = IntegerType::get(C, 1);
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Constant* One = ConstantInt::get(Int1, 1, true);
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const ReturnInst* r1 = ReturnInst::Create(C, One);
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EXPECT_EQ(1U, r1->getNumOperands());
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User::const_op_iterator b(r1->op_begin());
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EXPECT_NE(r1->op_end(), b);
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EXPECT_EQ(One, *b);
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EXPECT_EQ(One, r1->getOperand(0));
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++b;
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EXPECT_EQ(r1->op_end(), b);
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// clean up
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delete r0;
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delete r1;
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}
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TEST(InstructionsTest, BranchInst) {
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LLVMContext &C(getGlobalContext());
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// Make a BasicBlocks
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BasicBlock* bb0 = BasicBlock::Create(C);
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BasicBlock* bb1 = BasicBlock::Create(C);
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// Mandatory BranchInst
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const BranchInst* b0 = BranchInst::Create(bb0);
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EXPECT_TRUE(b0->isUnconditional());
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EXPECT_FALSE(b0->isConditional());
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EXPECT_EQ(1U, b0->getNumSuccessors());
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// check num operands
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EXPECT_EQ(1U, b0->getNumOperands());
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EXPECT_NE(b0->op_begin(), b0->op_end());
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EXPECT_EQ(b0->op_end(), llvm::next(b0->op_begin()));
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EXPECT_EQ(b0->op_end(), llvm::next(b0->op_begin()));
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IntegerType* Int1 = IntegerType::get(C, 1);
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Constant* One = ConstantInt::get(Int1, 1, true);
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// Conditional BranchInst
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BranchInst* b1 = BranchInst::Create(bb0, bb1, One);
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EXPECT_FALSE(b1->isUnconditional());
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EXPECT_TRUE(b1->isConditional());
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EXPECT_EQ(2U, b1->getNumSuccessors());
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// check num operands
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EXPECT_EQ(3U, b1->getNumOperands());
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User::const_op_iterator b(b1->op_begin());
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// check COND
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EXPECT_NE(b, b1->op_end());
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EXPECT_EQ(One, *b);
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EXPECT_EQ(One, b1->getOperand(0));
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EXPECT_EQ(One, b1->getCondition());
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++b;
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// check ELSE
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EXPECT_EQ(bb1, *b);
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EXPECT_EQ(bb1, b1->getOperand(1));
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EXPECT_EQ(bb1, b1->getSuccessor(1));
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++b;
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// check THEN
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EXPECT_EQ(bb0, *b);
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EXPECT_EQ(bb0, b1->getOperand(2));
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EXPECT_EQ(bb0, b1->getSuccessor(0));
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++b;
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EXPECT_EQ(b1->op_end(), b);
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// clean up
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delete b0;
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delete b1;
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delete bb0;
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delete bb1;
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}
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TEST(InstructionsTest, CastInst) {
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LLVMContext &C(getGlobalContext());
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Type* Int8Ty = Type::getInt8Ty(C);
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Type* Int64Ty = Type::getInt64Ty(C);
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Type* V8x8Ty = VectorType::get(Int8Ty, 8);
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Type* V8x64Ty = VectorType::get(Int64Ty, 8);
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Type* X86MMXTy = Type::getX86_MMXTy(C);
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const Constant* c8 = Constant::getNullValue(V8x8Ty);
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const Constant* c64 = Constant::getNullValue(V8x64Ty);
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EXPECT_TRUE(CastInst::isCastable(V8x8Ty, X86MMXTy));
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EXPECT_TRUE(CastInst::isCastable(X86MMXTy, V8x8Ty));
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EXPECT_FALSE(CastInst::isCastable(Int64Ty, X86MMXTy));
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EXPECT_TRUE(CastInst::isCastable(V8x64Ty, V8x8Ty));
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EXPECT_TRUE(CastInst::isCastable(V8x8Ty, V8x64Ty));
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EXPECT_EQ(CastInst::Trunc, CastInst::getCastOpcode(c64, true, V8x8Ty, true));
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EXPECT_EQ(CastInst::SExt, CastInst::getCastOpcode(c8, true, V8x64Ty, true));
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}
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} // end anonymous namespace
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} // end namespace llvm
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