forked from OSchip/llvm-project
645 lines
24 KiB
C++
645 lines
24 KiB
C++
//===- llvm/unittest/IR/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/IR/Instructions.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/Analysis/ValueTracking.h"
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#include "llvm/IR/BasicBlock.h"
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#include "llvm/IR/Constants.h"
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#include "llvm/IR/DataLayout.h"
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#include "llvm/IR/DerivedTypes.h"
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#include "llvm/IR/Function.h"
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#include "llvm/IR/IRBuilder.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/MDBuilder.h"
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#include "llvm/IR/Module.h"
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#include "llvm/IR/NoFolder.h"
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#include "llvm/IR/Operator.h"
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#include "gtest/gtest.h"
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#include <memory>
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namespace llvm {
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namespace {
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TEST(InstructionsTest, ReturnInst) {
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LLVMContext C;
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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 fixture that provides a module and a single function within it. Useful
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// for tests that need to refer to the function in some way.
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class ModuleWithFunctionTest : public testing::Test {
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protected:
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ModuleWithFunctionTest() : M(new Module("MyModule", Ctx)) {
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FArgTypes.push_back(Type::getInt8Ty(Ctx));
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FArgTypes.push_back(Type::getInt32Ty(Ctx));
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FArgTypes.push_back(Type::getInt64Ty(Ctx));
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FunctionType *FTy =
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FunctionType::get(Type::getVoidTy(Ctx), FArgTypes, false);
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F = Function::Create(FTy, Function::ExternalLinkage, "", M.get());
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}
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LLVMContext Ctx;
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std::unique_ptr<Module> M;
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SmallVector<Type *, 3> FArgTypes;
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Function *F;
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};
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TEST_F(ModuleWithFunctionTest, CallInst) {
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Value *Args[] = {ConstantInt::get(Type::getInt8Ty(Ctx), 20),
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ConstantInt::get(Type::getInt32Ty(Ctx), 9999),
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ConstantInt::get(Type::getInt64Ty(Ctx), 42)};
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std::unique_ptr<CallInst> Call(CallInst::Create(F, Args));
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// Make sure iteration over a call's arguments works as expected.
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unsigned Idx = 0;
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for (Value *Arg : Call->arg_operands()) {
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EXPECT_EQ(FArgTypes[Idx], Arg->getType());
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EXPECT_EQ(Call->getArgOperand(Idx)->getType(), Arg->getType());
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Idx++;
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}
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}
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TEST_F(ModuleWithFunctionTest, InvokeInst) {
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BasicBlock *BB1 = BasicBlock::Create(Ctx, "", F);
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BasicBlock *BB2 = BasicBlock::Create(Ctx, "", F);
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Value *Args[] = {ConstantInt::get(Type::getInt8Ty(Ctx), 20),
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ConstantInt::get(Type::getInt32Ty(Ctx), 9999),
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ConstantInt::get(Type::getInt64Ty(Ctx), 42)};
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std::unique_ptr<InvokeInst> Invoke(InvokeInst::Create(F, BB1, BB2, Args));
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// Make sure iteration over invoke's arguments works as expected.
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unsigned Idx = 0;
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for (Value *Arg : Invoke->arg_operands()) {
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EXPECT_EQ(FArgTypes[Idx], Arg->getType());
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EXPECT_EQ(Invoke->getArgOperand(Idx)->getType(), Arg->getType());
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Idx++;
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}
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}
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TEST(InstructionsTest, BranchInst) {
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LLVMContext C;
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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(), std::next(b0->op_begin()));
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EXPECT_EQ(b0->op_end(), std::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;
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Type *Int8Ty = Type::getInt8Ty(C);
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Type *Int16Ty = Type::getInt16Ty(C);
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Type *Int32Ty = Type::getInt32Ty(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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Type *HalfTy = Type::getHalfTy(C);
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Type *FloatTy = Type::getFloatTy(C);
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Type *DoubleTy = Type::getDoubleTy(C);
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Type *V2Int32Ty = VectorType::get(Int32Ty, 2);
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Type *V2Int64Ty = VectorType::get(Int64Ty, 2);
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Type *V4Int16Ty = VectorType::get(Int16Ty, 4);
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Type *Int32PtrTy = PointerType::get(Int32Ty, 0);
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Type *Int64PtrTy = PointerType::get(Int64Ty, 0);
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Type *Int32PtrAS1Ty = PointerType::get(Int32Ty, 1);
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Type *Int64PtrAS1Ty = PointerType::get(Int64Ty, 1);
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Type *V2Int32PtrAS1Ty = VectorType::get(Int32PtrAS1Ty, 2);
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Type *V2Int64PtrAS1Ty = VectorType::get(Int64PtrAS1Ty, 2);
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Type *V4Int32PtrAS1Ty = VectorType::get(Int32PtrAS1Ty, 4);
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Type *V4Int64PtrAS1Ty = VectorType::get(Int64PtrAS1Ty, 4);
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Type *V2Int64PtrTy = VectorType::get(Int64PtrTy, 2);
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Type *V2Int32PtrTy = VectorType::get(Int32PtrTy, 2);
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Type *V4Int32PtrTy = VectorType::get(Int32PtrTy, 4);
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const Constant* c8 = Constant::getNullValue(V8x8Ty);
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const Constant* c64 = Constant::getNullValue(V8x64Ty);
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const Constant *v2ptr32 = Constant::getNullValue(V2Int32PtrTy);
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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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EXPECT_FALSE(CastInst::isBitCastable(V8x8Ty, X86MMXTy));
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EXPECT_FALSE(CastInst::isBitCastable(X86MMXTy, V8x8Ty));
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EXPECT_FALSE(CastInst::isBitCastable(Int64Ty, X86MMXTy));
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EXPECT_FALSE(CastInst::isBitCastable(V8x64Ty, V8x8Ty));
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EXPECT_FALSE(CastInst::isBitCastable(V8x8Ty, V8x64Ty));
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// Check address space casts are rejected since we don't know the sizes here
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EXPECT_FALSE(CastInst::isBitCastable(Int32PtrTy, Int32PtrAS1Ty));
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EXPECT_FALSE(CastInst::isBitCastable(Int32PtrAS1Ty, Int32PtrTy));
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EXPECT_FALSE(CastInst::isBitCastable(V2Int32PtrTy, V2Int32PtrAS1Ty));
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EXPECT_FALSE(CastInst::isBitCastable(V2Int32PtrAS1Ty, V2Int32PtrTy));
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EXPECT_TRUE(CastInst::isBitCastable(V2Int32PtrAS1Ty, V2Int64PtrAS1Ty));
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EXPECT_TRUE(CastInst::isCastable(V2Int32PtrAS1Ty, V2Int32PtrTy));
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EXPECT_EQ(CastInst::AddrSpaceCast, CastInst::getCastOpcode(v2ptr32, true,
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V2Int32PtrAS1Ty,
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true));
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// Test mismatched number of elements for pointers
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EXPECT_FALSE(CastInst::isBitCastable(V2Int32PtrAS1Ty, V4Int64PtrAS1Ty));
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EXPECT_FALSE(CastInst::isBitCastable(V4Int64PtrAS1Ty, V2Int32PtrAS1Ty));
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EXPECT_FALSE(CastInst::isBitCastable(V2Int32PtrAS1Ty, V4Int32PtrAS1Ty));
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EXPECT_FALSE(CastInst::isBitCastable(Int32PtrTy, V2Int32PtrTy));
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EXPECT_FALSE(CastInst::isBitCastable(V2Int32PtrTy, Int32PtrTy));
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EXPECT_TRUE(CastInst::isBitCastable(Int32PtrTy, Int64PtrTy));
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EXPECT_FALSE(CastInst::isBitCastable(DoubleTy, FloatTy));
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EXPECT_FALSE(CastInst::isBitCastable(FloatTy, DoubleTy));
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EXPECT_TRUE(CastInst::isBitCastable(FloatTy, FloatTy));
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EXPECT_TRUE(CastInst::isBitCastable(FloatTy, FloatTy));
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EXPECT_TRUE(CastInst::isBitCastable(FloatTy, Int32Ty));
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EXPECT_TRUE(CastInst::isBitCastable(Int16Ty, HalfTy));
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EXPECT_TRUE(CastInst::isBitCastable(Int32Ty, FloatTy));
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EXPECT_TRUE(CastInst::isBitCastable(V2Int32Ty, Int64Ty));
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EXPECT_TRUE(CastInst::isBitCastable(V2Int32Ty, V4Int16Ty));
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EXPECT_FALSE(CastInst::isBitCastable(Int32Ty, Int64Ty));
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EXPECT_FALSE(CastInst::isBitCastable(Int64Ty, Int32Ty));
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EXPECT_FALSE(CastInst::isBitCastable(V2Int32PtrTy, Int64Ty));
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EXPECT_FALSE(CastInst::isBitCastable(Int64Ty, V2Int32PtrTy));
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EXPECT_TRUE(CastInst::isBitCastable(V2Int64PtrTy, V2Int32PtrTy));
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EXPECT_TRUE(CastInst::isBitCastable(V2Int32PtrTy, V2Int64PtrTy));
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EXPECT_FALSE(CastInst::isBitCastable(V2Int32Ty, V2Int64Ty));
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EXPECT_FALSE(CastInst::isBitCastable(V2Int64Ty, V2Int32Ty));
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EXPECT_FALSE(CastInst::castIsValid(Instruction::BitCast,
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Constant::getNullValue(V4Int32PtrTy),
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V2Int32PtrTy));
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EXPECT_FALSE(CastInst::castIsValid(Instruction::BitCast,
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Constant::getNullValue(V2Int32PtrTy),
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V4Int32PtrTy));
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EXPECT_FALSE(CastInst::castIsValid(Instruction::AddrSpaceCast,
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Constant::getNullValue(V4Int32PtrAS1Ty),
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V2Int32PtrTy));
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EXPECT_FALSE(CastInst::castIsValid(Instruction::AddrSpaceCast,
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Constant::getNullValue(V2Int32PtrTy),
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V4Int32PtrAS1Ty));
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// Check that assertion is not hit when creating a cast with a vector of
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// pointers
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// First form
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BasicBlock *BB = BasicBlock::Create(C);
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Constant *NullV2I32Ptr = Constant::getNullValue(V2Int32PtrTy);
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auto Inst1 = CastInst::CreatePointerCast(NullV2I32Ptr, V2Int32Ty, "foo", BB);
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// Second form
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auto Inst2 = CastInst::CreatePointerCast(NullV2I32Ptr, V2Int32Ty);
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delete Inst2;
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Inst1->eraseFromParent();
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delete BB;
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}
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TEST(InstructionsTest, VectorGep) {
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LLVMContext C;
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// Type Definitions
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Type *I8Ty = IntegerType::get(C, 8);
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Type *I32Ty = IntegerType::get(C, 32);
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PointerType *Ptri8Ty = PointerType::get(I8Ty, 0);
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PointerType *Ptri32Ty = PointerType::get(I32Ty, 0);
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VectorType *V2xi8PTy = VectorType::get(Ptri8Ty, 2);
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VectorType *V2xi32PTy = VectorType::get(Ptri32Ty, 2);
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// Test different aspects of the vector-of-pointers type
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// and GEPs which use this type.
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ConstantInt *Ci32a = ConstantInt::get(C, APInt(32, 1492));
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ConstantInt *Ci32b = ConstantInt::get(C, APInt(32, 1948));
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std::vector<Constant*> ConstVa(2, Ci32a);
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std::vector<Constant*> ConstVb(2, Ci32b);
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Constant *C2xi32a = ConstantVector::get(ConstVa);
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Constant *C2xi32b = ConstantVector::get(ConstVb);
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CastInst *PtrVecA = new IntToPtrInst(C2xi32a, V2xi32PTy);
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CastInst *PtrVecB = new IntToPtrInst(C2xi32b, V2xi32PTy);
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ICmpInst *ICmp0 = new ICmpInst(ICmpInst::ICMP_SGT, PtrVecA, PtrVecB);
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ICmpInst *ICmp1 = new ICmpInst(ICmpInst::ICMP_ULT, PtrVecA, PtrVecB);
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EXPECT_NE(ICmp0, ICmp1); // suppress warning.
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BasicBlock* BB0 = BasicBlock::Create(C);
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// Test InsertAtEnd ICmpInst constructor.
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ICmpInst *ICmp2 = new ICmpInst(*BB0, ICmpInst::ICMP_SGE, PtrVecA, PtrVecB);
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EXPECT_NE(ICmp0, ICmp2); // suppress warning.
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GetElementPtrInst *Gep0 = GetElementPtrInst::Create(I32Ty, PtrVecA, C2xi32a);
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GetElementPtrInst *Gep1 = GetElementPtrInst::Create(I32Ty, PtrVecA, C2xi32b);
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GetElementPtrInst *Gep2 = GetElementPtrInst::Create(I32Ty, PtrVecB, C2xi32a);
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GetElementPtrInst *Gep3 = GetElementPtrInst::Create(I32Ty, PtrVecB, C2xi32b);
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CastInst *BTC0 = new BitCastInst(Gep0, V2xi8PTy);
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CastInst *BTC1 = new BitCastInst(Gep1, V2xi8PTy);
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CastInst *BTC2 = new BitCastInst(Gep2, V2xi8PTy);
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CastInst *BTC3 = new BitCastInst(Gep3, V2xi8PTy);
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Value *S0 = BTC0->stripPointerCasts();
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Value *S1 = BTC1->stripPointerCasts();
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Value *S2 = BTC2->stripPointerCasts();
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Value *S3 = BTC3->stripPointerCasts();
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EXPECT_NE(S0, Gep0);
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EXPECT_NE(S1, Gep1);
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EXPECT_NE(S2, Gep2);
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EXPECT_NE(S3, Gep3);
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int64_t Offset;
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DataLayout TD("e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3"
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"2:32:32-f64:64:64-v64:64:64-v128:128:128-a:0:64-s:64:64-f80"
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":128:128-n8:16:32:64-S128");
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// Make sure we don't crash
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GetPointerBaseWithConstantOffset(Gep0, Offset, TD);
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GetPointerBaseWithConstantOffset(Gep1, Offset, TD);
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GetPointerBaseWithConstantOffset(Gep2, Offset, TD);
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GetPointerBaseWithConstantOffset(Gep3, Offset, TD);
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// Gep of Geps
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GetElementPtrInst *GepII0 = GetElementPtrInst::Create(I32Ty, Gep0, C2xi32b);
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GetElementPtrInst *GepII1 = GetElementPtrInst::Create(I32Ty, Gep1, C2xi32a);
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GetElementPtrInst *GepII2 = GetElementPtrInst::Create(I32Ty, Gep2, C2xi32b);
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GetElementPtrInst *GepII3 = GetElementPtrInst::Create(I32Ty, Gep3, C2xi32a);
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EXPECT_EQ(GepII0->getNumIndices(), 1u);
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EXPECT_EQ(GepII1->getNumIndices(), 1u);
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EXPECT_EQ(GepII2->getNumIndices(), 1u);
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EXPECT_EQ(GepII3->getNumIndices(), 1u);
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EXPECT_FALSE(GepII0->hasAllZeroIndices());
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EXPECT_FALSE(GepII1->hasAllZeroIndices());
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EXPECT_FALSE(GepII2->hasAllZeroIndices());
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EXPECT_FALSE(GepII3->hasAllZeroIndices());
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delete GepII0;
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delete GepII1;
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delete GepII2;
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delete GepII3;
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delete BTC0;
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delete BTC1;
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delete BTC2;
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delete BTC3;
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delete Gep0;
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delete Gep1;
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delete Gep2;
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delete Gep3;
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ICmp2->eraseFromParent();
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delete BB0;
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delete ICmp0;
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delete ICmp1;
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delete PtrVecA;
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delete PtrVecB;
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}
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TEST(InstructionsTest, FPMathOperator) {
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LLVMContext Context;
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IRBuilder<> Builder(Context);
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MDBuilder MDHelper(Context);
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Instruction *I = Builder.CreatePHI(Builder.getDoubleTy(), 0);
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MDNode *MD1 = MDHelper.createFPMath(1.0);
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Value *V1 = Builder.CreateFAdd(I, I, "", MD1);
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EXPECT_TRUE(isa<FPMathOperator>(V1));
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FPMathOperator *O1 = cast<FPMathOperator>(V1);
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EXPECT_EQ(O1->getFPAccuracy(), 1.0);
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delete V1;
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delete I;
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}
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TEST(InstructionsTest, isEliminableCastPair) {
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LLVMContext C;
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Type* Int16Ty = Type::getInt16Ty(C);
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Type* Int32Ty = Type::getInt32Ty(C);
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|
Type* Int64Ty = Type::getInt64Ty(C);
|
|
Type* Int64PtrTy = Type::getInt64PtrTy(C);
|
|
|
|
// Source and destination pointers have same size -> bitcast.
|
|
EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::PtrToInt,
|
|
CastInst::IntToPtr,
|
|
Int64PtrTy, Int64Ty, Int64PtrTy,
|
|
Int32Ty, nullptr, Int32Ty),
|
|
CastInst::BitCast);
|
|
|
|
// Source and destination have unknown sizes, but the same address space and
|
|
// the intermediate int is the maximum pointer size -> bitcast
|
|
EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::PtrToInt,
|
|
CastInst::IntToPtr,
|
|
Int64PtrTy, Int64Ty, Int64PtrTy,
|
|
nullptr, nullptr, nullptr),
|
|
CastInst::BitCast);
|
|
|
|
// Source and destination have unknown sizes, but the same address space and
|
|
// the intermediate int is not the maximum pointer size -> nothing
|
|
EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::PtrToInt,
|
|
CastInst::IntToPtr,
|
|
Int64PtrTy, Int32Ty, Int64PtrTy,
|
|
nullptr, nullptr, nullptr),
|
|
0U);
|
|
|
|
// Middle pointer big enough -> bitcast.
|
|
EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr,
|
|
CastInst::PtrToInt,
|
|
Int64Ty, Int64PtrTy, Int64Ty,
|
|
nullptr, Int64Ty, nullptr),
|
|
CastInst::BitCast);
|
|
|
|
// Middle pointer too small -> fail.
|
|
EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr,
|
|
CastInst::PtrToInt,
|
|
Int64Ty, Int64PtrTy, Int64Ty,
|
|
nullptr, Int32Ty, nullptr),
|
|
0U);
|
|
|
|
// Test that we don't eliminate bitcasts between different address spaces,
|
|
// or if we don't have available pointer size information.
|
|
DataLayout DL("e-p:32:32:32-p1:16:16:16-p2:64:64:64-i1:8:8-i8:8:8-i16:16:16"
|
|
"-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64"
|
|
"-v128:128:128-a:0:64-s:64:64-f80:128:128-n8:16:32:64-S128");
|
|
|
|
Type* Int64PtrTyAS1 = Type::getInt64PtrTy(C, 1);
|
|
Type* Int64PtrTyAS2 = Type::getInt64PtrTy(C, 2);
|
|
|
|
IntegerType *Int16SizePtr = DL.getIntPtrType(C, 1);
|
|
IntegerType *Int64SizePtr = DL.getIntPtrType(C, 2);
|
|
|
|
// Cannot simplify inttoptr, addrspacecast
|
|
EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr,
|
|
CastInst::AddrSpaceCast,
|
|
Int16Ty, Int64PtrTyAS1, Int64PtrTyAS2,
|
|
nullptr, Int16SizePtr, Int64SizePtr),
|
|
0U);
|
|
|
|
// Cannot simplify addrspacecast, ptrtoint
|
|
EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::AddrSpaceCast,
|
|
CastInst::PtrToInt,
|
|
Int64PtrTyAS1, Int64PtrTyAS2, Int16Ty,
|
|
Int64SizePtr, Int16SizePtr, nullptr),
|
|
0U);
|
|
|
|
// Pass since the bitcast address spaces are the same
|
|
EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr,
|
|
CastInst::BitCast,
|
|
Int16Ty, Int64PtrTyAS1, Int64PtrTyAS1,
|
|
nullptr, nullptr, nullptr),
|
|
CastInst::IntToPtr);
|
|
|
|
}
|
|
|
|
TEST(InstructionsTest, CloneCall) {
|
|
LLVMContext C;
|
|
Type *Int32Ty = Type::getInt32Ty(C);
|
|
Type *ArgTys[] = {Int32Ty, Int32Ty, Int32Ty};
|
|
Type *FnTy = FunctionType::get(Int32Ty, ArgTys, /*isVarArg=*/false);
|
|
Value *Callee = Constant::getNullValue(FnTy->getPointerTo());
|
|
Value *Args[] = {
|
|
ConstantInt::get(Int32Ty, 1),
|
|
ConstantInt::get(Int32Ty, 2),
|
|
ConstantInt::get(Int32Ty, 3)
|
|
};
|
|
std::unique_ptr<CallInst> Call(CallInst::Create(Callee, Args, "result"));
|
|
|
|
// Test cloning the tail call kind.
|
|
CallInst::TailCallKind Kinds[] = {CallInst::TCK_None, CallInst::TCK_Tail,
|
|
CallInst::TCK_MustTail};
|
|
for (CallInst::TailCallKind TCK : Kinds) {
|
|
Call->setTailCallKind(TCK);
|
|
std::unique_ptr<CallInst> Clone(cast<CallInst>(Call->clone()));
|
|
EXPECT_EQ(Call->getTailCallKind(), Clone->getTailCallKind());
|
|
}
|
|
Call->setTailCallKind(CallInst::TCK_None);
|
|
|
|
// Test cloning an attribute.
|
|
{
|
|
AttrBuilder AB;
|
|
AB.addAttribute(Attribute::ReadOnly);
|
|
Call->setAttributes(AttributeSet::get(C, AttributeSet::FunctionIndex, AB));
|
|
std::unique_ptr<CallInst> Clone(cast<CallInst>(Call->clone()));
|
|
EXPECT_TRUE(Clone->onlyReadsMemory());
|
|
}
|
|
}
|
|
|
|
TEST(InstructionsTest, AlterCallBundles) {
|
|
LLVMContext C;
|
|
Type *Int32Ty = Type::getInt32Ty(C);
|
|
Type *FnTy = FunctionType::get(Int32Ty, Int32Ty, /*isVarArg=*/false);
|
|
Value *Callee = Constant::getNullValue(FnTy->getPointerTo());
|
|
Value *Args[] = {ConstantInt::get(Int32Ty, 42)};
|
|
OperandBundleDef OldBundle("before", UndefValue::get(Int32Ty));
|
|
std::unique_ptr<CallInst> Call(
|
|
CallInst::Create(Callee, Args, OldBundle, "result"));
|
|
Call->setTailCallKind(CallInst::TailCallKind::TCK_NoTail);
|
|
AttrBuilder AB;
|
|
AB.addAttribute(Attribute::Cold);
|
|
Call->setAttributes(AttributeSet::get(C, AttributeSet::FunctionIndex, AB));
|
|
Call->setDebugLoc(DebugLoc(MDNode::get(C, None)));
|
|
|
|
OperandBundleDef NewBundle("after", ConstantInt::get(Int32Ty, 7));
|
|
std::unique_ptr<CallInst> Clone(CallInst::Create(Call.get(), NewBundle));
|
|
EXPECT_EQ(Call->getNumArgOperands(), Clone->getNumArgOperands());
|
|
EXPECT_EQ(Call->getArgOperand(0), Clone->getArgOperand(0));
|
|
EXPECT_EQ(Call->getCallingConv(), Clone->getCallingConv());
|
|
EXPECT_EQ(Call->getTailCallKind(), Clone->getTailCallKind());
|
|
EXPECT_TRUE(Clone->hasFnAttr(Attribute::AttrKind::Cold));
|
|
EXPECT_EQ(Call->getDebugLoc(), Clone->getDebugLoc());
|
|
EXPECT_EQ(Clone->getNumOperandBundles(), 1U);
|
|
EXPECT_TRUE(Clone->getOperandBundle("after").hasValue());
|
|
}
|
|
|
|
TEST(InstructionsTest, AlterInvokeBundles) {
|
|
LLVMContext C;
|
|
Type *Int32Ty = Type::getInt32Ty(C);
|
|
Type *FnTy = FunctionType::get(Int32Ty, Int32Ty, /*isVarArg=*/false);
|
|
Value *Callee = Constant::getNullValue(FnTy->getPointerTo());
|
|
Value *Args[] = {ConstantInt::get(Int32Ty, 42)};
|
|
std::unique_ptr<BasicBlock> NormalDest(BasicBlock::Create(C));
|
|
std::unique_ptr<BasicBlock> UnwindDest(BasicBlock::Create(C));
|
|
OperandBundleDef OldBundle("before", UndefValue::get(Int32Ty));
|
|
std::unique_ptr<InvokeInst> Invoke(InvokeInst::Create(
|
|
Callee, NormalDest.get(), UnwindDest.get(), Args, OldBundle, "result"));
|
|
AttrBuilder AB;
|
|
AB.addAttribute(Attribute::Cold);
|
|
Invoke->setAttributes(AttributeSet::get(C, AttributeSet::FunctionIndex, AB));
|
|
Invoke->setDebugLoc(DebugLoc(MDNode::get(C, None)));
|
|
|
|
OperandBundleDef NewBundle("after", ConstantInt::get(Int32Ty, 7));
|
|
std::unique_ptr<InvokeInst> Clone(
|
|
InvokeInst::Create(Invoke.get(), NewBundle));
|
|
EXPECT_EQ(Invoke->getNormalDest(), Clone->getNormalDest());
|
|
EXPECT_EQ(Invoke->getUnwindDest(), Clone->getUnwindDest());
|
|
EXPECT_EQ(Invoke->getNumArgOperands(), Clone->getNumArgOperands());
|
|
EXPECT_EQ(Invoke->getArgOperand(0), Clone->getArgOperand(0));
|
|
EXPECT_EQ(Invoke->getCallingConv(), Clone->getCallingConv());
|
|
EXPECT_TRUE(Clone->hasFnAttr(Attribute::AttrKind::Cold));
|
|
EXPECT_EQ(Invoke->getDebugLoc(), Clone->getDebugLoc());
|
|
EXPECT_EQ(Clone->getNumOperandBundles(), 1U);
|
|
EXPECT_TRUE(Clone->getOperandBundle("after").hasValue());
|
|
}
|
|
|
|
TEST_F(ModuleWithFunctionTest, DropPoisonGeneratingFlags) {
|
|
auto *OnlyBB = BasicBlock::Create(Ctx, "bb", F);
|
|
auto *Arg0 = &*F->arg_begin();
|
|
|
|
IRBuilder<NoFolder> B(Ctx);
|
|
B.SetInsertPoint(OnlyBB);
|
|
|
|
{
|
|
auto *UI =
|
|
cast<Instruction>(B.CreateUDiv(Arg0, Arg0, "", /*isExact*/ true));
|
|
ASSERT_TRUE(UI->isExact());
|
|
UI->dropPoisonGeneratingFlags();
|
|
ASSERT_FALSE(UI->isExact());
|
|
}
|
|
|
|
{
|
|
auto *ShrI =
|
|
cast<Instruction>(B.CreateLShr(Arg0, Arg0, "", /*isExact*/ true));
|
|
ASSERT_TRUE(ShrI->isExact());
|
|
ShrI->dropPoisonGeneratingFlags();
|
|
ASSERT_FALSE(ShrI->isExact());
|
|
}
|
|
|
|
{
|
|
auto *AI = cast<Instruction>(
|
|
B.CreateAdd(Arg0, Arg0, "", /*HasNUW*/ true, /*HasNSW*/ false));
|
|
ASSERT_TRUE(AI->hasNoUnsignedWrap());
|
|
AI->dropPoisonGeneratingFlags();
|
|
ASSERT_FALSE(AI->hasNoUnsignedWrap());
|
|
ASSERT_FALSE(AI->hasNoSignedWrap());
|
|
}
|
|
|
|
{
|
|
auto *SI = cast<Instruction>(
|
|
B.CreateAdd(Arg0, Arg0, "", /*HasNUW*/ false, /*HasNSW*/ true));
|
|
ASSERT_TRUE(SI->hasNoSignedWrap());
|
|
SI->dropPoisonGeneratingFlags();
|
|
ASSERT_FALSE(SI->hasNoUnsignedWrap());
|
|
ASSERT_FALSE(SI->hasNoSignedWrap());
|
|
}
|
|
|
|
{
|
|
auto *ShlI = cast<Instruction>(
|
|
B.CreateShl(Arg0, Arg0, "", /*HasNUW*/ true, /*HasNSW*/ true));
|
|
ASSERT_TRUE(ShlI->hasNoSignedWrap());
|
|
ASSERT_TRUE(ShlI->hasNoUnsignedWrap());
|
|
ShlI->dropPoisonGeneratingFlags();
|
|
ASSERT_FALSE(ShlI->hasNoUnsignedWrap());
|
|
ASSERT_FALSE(ShlI->hasNoSignedWrap());
|
|
}
|
|
|
|
{
|
|
Value *GEPBase = Constant::getNullValue(B.getInt8PtrTy());
|
|
auto *GI = cast<GetElementPtrInst>(B.CreateInBoundsGEP(GEPBase, {Arg0}));
|
|
ASSERT_TRUE(GI->isInBounds());
|
|
GI->dropPoisonGeneratingFlags();
|
|
ASSERT_FALSE(GI->isInBounds());
|
|
}
|
|
}
|
|
|
|
} // end anonymous namespace
|
|
} // end namespace llvm
|