]>
Commit | Line | Data |
---|---|---|
970d7e83 | 1 | //===- llvm/unittest/IR/InstructionsTest.cpp - Instructions unit tests ----===// |
223e47cc LB |
2 | // |
3 | // The LLVM Compiler Infrastructure | |
4 | // | |
5 | // This file is distributed under the University of Illinois Open Source | |
6 | // License. See LICENSE.TXT for details. | |
7 | // | |
8 | //===----------------------------------------------------------------------===// | |
9 | ||
970d7e83 | 10 | #include "llvm/IR/Instructions.h" |
223e47cc LB |
11 | #include "llvm/ADT/STLExtras.h" |
12 | #include "llvm/Analysis/ValueTracking.h" | |
970d7e83 LB |
13 | #include "llvm/IR/BasicBlock.h" |
14 | #include "llvm/IR/Constants.h" | |
15 | #include "llvm/IR/DataLayout.h" | |
16 | #include "llvm/IR/DerivedTypes.h" | |
1a4d82fc | 17 | #include "llvm/IR/Function.h" |
970d7e83 LB |
18 | #include "llvm/IR/IRBuilder.h" |
19 | #include "llvm/IR/LLVMContext.h" | |
20 | #include "llvm/IR/MDBuilder.h" | |
1a4d82fc | 21 | #include "llvm/IR/Module.h" |
970d7e83 | 22 | #include "llvm/IR/Operator.h" |
223e47cc | 23 | #include "gtest/gtest.h" |
1a4d82fc | 24 | #include <memory> |
223e47cc LB |
25 | |
26 | namespace llvm { | |
27 | namespace { | |
28 | ||
29 | TEST(InstructionsTest, ReturnInst) { | |
30 | LLVMContext &C(getGlobalContext()); | |
31 | ||
32 | // test for PR6589 | |
33 | const ReturnInst* r0 = ReturnInst::Create(C); | |
34 | EXPECT_EQ(r0->getNumOperands(), 0U); | |
35 | EXPECT_EQ(r0->op_begin(), r0->op_end()); | |
36 | ||
37 | IntegerType* Int1 = IntegerType::get(C, 1); | |
38 | Constant* One = ConstantInt::get(Int1, 1, true); | |
39 | const ReturnInst* r1 = ReturnInst::Create(C, One); | |
40 | EXPECT_EQ(1U, r1->getNumOperands()); | |
41 | User::const_op_iterator b(r1->op_begin()); | |
42 | EXPECT_NE(r1->op_end(), b); | |
43 | EXPECT_EQ(One, *b); | |
44 | EXPECT_EQ(One, r1->getOperand(0)); | |
45 | ++b; | |
46 | EXPECT_EQ(r1->op_end(), b); | |
47 | ||
48 | // clean up | |
49 | delete r0; | |
50 | delete r1; | |
51 | } | |
52 | ||
1a4d82fc JJ |
53 | // Test fixture that provides a module and a single function within it. Useful |
54 | // for tests that need to refer to the function in some way. | |
55 | class ModuleWithFunctionTest : public testing::Test { | |
56 | protected: | |
57 | ModuleWithFunctionTest() : M(new Module("MyModule", Ctx)) { | |
58 | FArgTypes.push_back(Type::getInt8Ty(Ctx)); | |
59 | FArgTypes.push_back(Type::getInt32Ty(Ctx)); | |
60 | FArgTypes.push_back(Type::getInt64Ty(Ctx)); | |
61 | FunctionType *FTy = | |
62 | FunctionType::get(Type::getVoidTy(Ctx), FArgTypes, false); | |
63 | F = Function::Create(FTy, Function::ExternalLinkage, "", M.get()); | |
64 | } | |
65 | ||
66 | LLVMContext Ctx; | |
67 | std::unique_ptr<Module> M; | |
68 | SmallVector<Type *, 3> FArgTypes; | |
69 | Function *F; | |
70 | }; | |
71 | ||
72 | TEST_F(ModuleWithFunctionTest, CallInst) { | |
73 | Value *Args[] = {ConstantInt::get(Type::getInt8Ty(Ctx), 20), | |
74 | ConstantInt::get(Type::getInt32Ty(Ctx), 9999), | |
75 | ConstantInt::get(Type::getInt64Ty(Ctx), 42)}; | |
76 | std::unique_ptr<CallInst> Call(CallInst::Create(F, Args)); | |
77 | ||
78 | // Make sure iteration over a call's arguments works as expected. | |
79 | unsigned Idx = 0; | |
80 | for (Value *Arg : Call->arg_operands()) { | |
81 | EXPECT_EQ(FArgTypes[Idx], Arg->getType()); | |
82 | EXPECT_EQ(Call->getArgOperand(Idx)->getType(), Arg->getType()); | |
83 | Idx++; | |
84 | } | |
85 | } | |
86 | ||
87 | TEST_F(ModuleWithFunctionTest, InvokeInst) { | |
88 | BasicBlock *BB1 = BasicBlock::Create(Ctx, "", F); | |
89 | BasicBlock *BB2 = BasicBlock::Create(Ctx, "", F); | |
90 | ||
91 | Value *Args[] = {ConstantInt::get(Type::getInt8Ty(Ctx), 20), | |
92 | ConstantInt::get(Type::getInt32Ty(Ctx), 9999), | |
93 | ConstantInt::get(Type::getInt64Ty(Ctx), 42)}; | |
94 | std::unique_ptr<InvokeInst> Invoke(InvokeInst::Create(F, BB1, BB2, Args)); | |
95 | ||
96 | // Make sure iteration over invoke's arguments works as expected. | |
97 | unsigned Idx = 0; | |
98 | for (Value *Arg : Invoke->arg_operands()) { | |
99 | EXPECT_EQ(FArgTypes[Idx], Arg->getType()); | |
100 | EXPECT_EQ(Invoke->getArgOperand(Idx)->getType(), Arg->getType()); | |
101 | Idx++; | |
102 | } | |
103 | } | |
104 | ||
223e47cc LB |
105 | TEST(InstructionsTest, BranchInst) { |
106 | LLVMContext &C(getGlobalContext()); | |
107 | ||
108 | // Make a BasicBlocks | |
109 | BasicBlock* bb0 = BasicBlock::Create(C); | |
110 | BasicBlock* bb1 = BasicBlock::Create(C); | |
111 | ||
112 | // Mandatory BranchInst | |
113 | const BranchInst* b0 = BranchInst::Create(bb0); | |
114 | ||
115 | EXPECT_TRUE(b0->isUnconditional()); | |
116 | EXPECT_FALSE(b0->isConditional()); | |
117 | EXPECT_EQ(1U, b0->getNumSuccessors()); | |
118 | ||
119 | // check num operands | |
120 | EXPECT_EQ(1U, b0->getNumOperands()); | |
121 | ||
122 | EXPECT_NE(b0->op_begin(), b0->op_end()); | |
1a4d82fc | 123 | EXPECT_EQ(b0->op_end(), std::next(b0->op_begin())); |
223e47cc | 124 | |
1a4d82fc | 125 | EXPECT_EQ(b0->op_end(), std::next(b0->op_begin())); |
223e47cc LB |
126 | |
127 | IntegerType* Int1 = IntegerType::get(C, 1); | |
128 | Constant* One = ConstantInt::get(Int1, 1, true); | |
129 | ||
130 | // Conditional BranchInst | |
131 | BranchInst* b1 = BranchInst::Create(bb0, bb1, One); | |
132 | ||
133 | EXPECT_FALSE(b1->isUnconditional()); | |
134 | EXPECT_TRUE(b1->isConditional()); | |
135 | EXPECT_EQ(2U, b1->getNumSuccessors()); | |
136 | ||
137 | // check num operands | |
138 | EXPECT_EQ(3U, b1->getNumOperands()); | |
139 | ||
140 | User::const_op_iterator b(b1->op_begin()); | |
141 | ||
142 | // check COND | |
143 | EXPECT_NE(b, b1->op_end()); | |
144 | EXPECT_EQ(One, *b); | |
145 | EXPECT_EQ(One, b1->getOperand(0)); | |
146 | EXPECT_EQ(One, b1->getCondition()); | |
147 | ++b; | |
148 | ||
149 | // check ELSE | |
150 | EXPECT_EQ(bb1, *b); | |
151 | EXPECT_EQ(bb1, b1->getOperand(1)); | |
152 | EXPECT_EQ(bb1, b1->getSuccessor(1)); | |
153 | ++b; | |
154 | ||
155 | // check THEN | |
156 | EXPECT_EQ(bb0, *b); | |
157 | EXPECT_EQ(bb0, b1->getOperand(2)); | |
158 | EXPECT_EQ(bb0, b1->getSuccessor(0)); | |
159 | ++b; | |
160 | ||
161 | EXPECT_EQ(b1->op_end(), b); | |
162 | ||
163 | // clean up | |
164 | delete b0; | |
165 | delete b1; | |
166 | ||
167 | delete bb0; | |
168 | delete bb1; | |
169 | } | |
170 | ||
171 | TEST(InstructionsTest, CastInst) { | |
172 | LLVMContext &C(getGlobalContext()); | |
173 | ||
1a4d82fc JJ |
174 | Type *Int8Ty = Type::getInt8Ty(C); |
175 | Type *Int16Ty = Type::getInt16Ty(C); | |
176 | Type *Int32Ty = Type::getInt32Ty(C); | |
177 | Type *Int64Ty = Type::getInt64Ty(C); | |
178 | Type *V8x8Ty = VectorType::get(Int8Ty, 8); | |
179 | Type *V8x64Ty = VectorType::get(Int64Ty, 8); | |
180 | Type *X86MMXTy = Type::getX86_MMXTy(C); | |
181 | ||
182 | Type *HalfTy = Type::getHalfTy(C); | |
183 | Type *FloatTy = Type::getFloatTy(C); | |
184 | Type *DoubleTy = Type::getDoubleTy(C); | |
185 | ||
186 | Type *V2Int32Ty = VectorType::get(Int32Ty, 2); | |
187 | Type *V2Int64Ty = VectorType::get(Int64Ty, 2); | |
188 | Type *V4Int16Ty = VectorType::get(Int16Ty, 4); | |
189 | ||
190 | Type *Int32PtrTy = PointerType::get(Int32Ty, 0); | |
191 | Type *Int64PtrTy = PointerType::get(Int64Ty, 0); | |
192 | ||
193 | Type *Int32PtrAS1Ty = PointerType::get(Int32Ty, 1); | |
194 | Type *Int64PtrAS1Ty = PointerType::get(Int64Ty, 1); | |
195 | ||
196 | Type *V2Int32PtrAS1Ty = VectorType::get(Int32PtrAS1Ty, 2); | |
197 | Type *V2Int64PtrAS1Ty = VectorType::get(Int64PtrAS1Ty, 2); | |
198 | Type *V4Int32PtrAS1Ty = VectorType::get(Int32PtrAS1Ty, 4); | |
199 | Type *V4Int64PtrAS1Ty = VectorType::get(Int64PtrAS1Ty, 4); | |
200 | ||
201 | Type *V2Int64PtrTy = VectorType::get(Int64PtrTy, 2); | |
202 | Type *V2Int32PtrTy = VectorType::get(Int32PtrTy, 2); | |
203 | Type *V4Int32PtrTy = VectorType::get(Int32PtrTy, 4); | |
223e47cc LB |
204 | |
205 | const Constant* c8 = Constant::getNullValue(V8x8Ty); | |
206 | const Constant* c64 = Constant::getNullValue(V8x64Ty); | |
207 | ||
1a4d82fc JJ |
208 | const Constant *v2ptr32 = Constant::getNullValue(V2Int32PtrTy); |
209 | ||
223e47cc LB |
210 | EXPECT_TRUE(CastInst::isCastable(V8x8Ty, X86MMXTy)); |
211 | EXPECT_TRUE(CastInst::isCastable(X86MMXTy, V8x8Ty)); | |
212 | EXPECT_FALSE(CastInst::isCastable(Int64Ty, X86MMXTy)); | |
213 | EXPECT_TRUE(CastInst::isCastable(V8x64Ty, V8x8Ty)); | |
214 | EXPECT_TRUE(CastInst::isCastable(V8x8Ty, V8x64Ty)); | |
215 | EXPECT_EQ(CastInst::Trunc, CastInst::getCastOpcode(c64, true, V8x8Ty, true)); | |
216 | EXPECT_EQ(CastInst::SExt, CastInst::getCastOpcode(c8, true, V8x64Ty, true)); | |
223e47cc | 217 | |
1a4d82fc JJ |
218 | EXPECT_FALSE(CastInst::isBitCastable(V8x8Ty, X86MMXTy)); |
219 | EXPECT_FALSE(CastInst::isBitCastable(X86MMXTy, V8x8Ty)); | |
220 | EXPECT_FALSE(CastInst::isBitCastable(Int64Ty, X86MMXTy)); | |
221 | EXPECT_FALSE(CastInst::isBitCastable(V8x64Ty, V8x8Ty)); | |
222 | EXPECT_FALSE(CastInst::isBitCastable(V8x8Ty, V8x64Ty)); | |
223 | ||
224 | // Check address space casts are rejected since we don't know the sizes here | |
225 | EXPECT_FALSE(CastInst::isBitCastable(Int32PtrTy, Int32PtrAS1Ty)); | |
226 | EXPECT_FALSE(CastInst::isBitCastable(Int32PtrAS1Ty, Int32PtrTy)); | |
227 | EXPECT_FALSE(CastInst::isBitCastable(V2Int32PtrTy, V2Int32PtrAS1Ty)); | |
228 | EXPECT_FALSE(CastInst::isBitCastable(V2Int32PtrAS1Ty, V2Int32PtrTy)); | |
229 | EXPECT_TRUE(CastInst::isBitCastable(V2Int32PtrAS1Ty, V2Int64PtrAS1Ty)); | |
230 | EXPECT_TRUE(CastInst::isCastable(V2Int32PtrAS1Ty, V2Int32PtrTy)); | |
231 | EXPECT_EQ(CastInst::AddrSpaceCast, CastInst::getCastOpcode(v2ptr32, true, | |
232 | V2Int32PtrAS1Ty, | |
233 | true)); | |
234 | ||
235 | // Test mismatched number of elements for pointers | |
236 | EXPECT_FALSE(CastInst::isBitCastable(V2Int32PtrAS1Ty, V4Int64PtrAS1Ty)); | |
237 | EXPECT_FALSE(CastInst::isBitCastable(V4Int64PtrAS1Ty, V2Int32PtrAS1Ty)); | |
238 | EXPECT_FALSE(CastInst::isBitCastable(V2Int32PtrAS1Ty, V4Int32PtrAS1Ty)); | |
239 | EXPECT_FALSE(CastInst::isBitCastable(Int32PtrTy, V2Int32PtrTy)); | |
240 | EXPECT_FALSE(CastInst::isBitCastable(V2Int32PtrTy, Int32PtrTy)); | |
241 | ||
242 | EXPECT_TRUE(CastInst::isBitCastable(Int32PtrTy, Int64PtrTy)); | |
243 | EXPECT_FALSE(CastInst::isBitCastable(DoubleTy, FloatTy)); | |
244 | EXPECT_FALSE(CastInst::isBitCastable(FloatTy, DoubleTy)); | |
245 | EXPECT_TRUE(CastInst::isBitCastable(FloatTy, FloatTy)); | |
246 | EXPECT_TRUE(CastInst::isBitCastable(FloatTy, FloatTy)); | |
247 | EXPECT_TRUE(CastInst::isBitCastable(FloatTy, Int32Ty)); | |
248 | EXPECT_TRUE(CastInst::isBitCastable(Int16Ty, HalfTy)); | |
249 | EXPECT_TRUE(CastInst::isBitCastable(Int32Ty, FloatTy)); | |
250 | EXPECT_TRUE(CastInst::isBitCastable(V2Int32Ty, Int64Ty)); | |
251 | ||
252 | EXPECT_TRUE(CastInst::isBitCastable(V2Int32Ty, V4Int16Ty)); | |
253 | EXPECT_FALSE(CastInst::isBitCastable(Int32Ty, Int64Ty)); | |
254 | EXPECT_FALSE(CastInst::isBitCastable(Int64Ty, Int32Ty)); | |
255 | ||
256 | EXPECT_FALSE(CastInst::isBitCastable(V2Int32PtrTy, Int64Ty)); | |
257 | EXPECT_FALSE(CastInst::isBitCastable(Int64Ty, V2Int32PtrTy)); | |
258 | EXPECT_TRUE(CastInst::isBitCastable(V2Int64PtrTy, V2Int32PtrTy)); | |
259 | EXPECT_TRUE(CastInst::isBitCastable(V2Int32PtrTy, V2Int64PtrTy)); | |
260 | EXPECT_FALSE(CastInst::isBitCastable(V2Int32Ty, V2Int64Ty)); | |
261 | EXPECT_FALSE(CastInst::isBitCastable(V2Int64Ty, V2Int32Ty)); | |
262 | ||
263 | ||
264 | EXPECT_FALSE(CastInst::castIsValid(Instruction::BitCast, | |
265 | Constant::getNullValue(V4Int32PtrTy), | |
266 | V2Int32PtrTy)); | |
267 | EXPECT_FALSE(CastInst::castIsValid(Instruction::BitCast, | |
268 | Constant::getNullValue(V2Int32PtrTy), | |
269 | V4Int32PtrTy)); | |
270 | ||
271 | EXPECT_FALSE(CastInst::castIsValid(Instruction::AddrSpaceCast, | |
272 | Constant::getNullValue(V4Int32PtrAS1Ty), | |
273 | V2Int32PtrTy)); | |
274 | EXPECT_FALSE(CastInst::castIsValid(Instruction::AddrSpaceCast, | |
275 | Constant::getNullValue(V2Int32PtrTy), | |
276 | V4Int32PtrAS1Ty)); | |
277 | ||
278 | ||
279 | // Check that assertion is not hit when creating a cast with a vector of | |
280 | // pointers | |
281 | // First form | |
282 | BasicBlock *BB = BasicBlock::Create(C); | |
283 | Constant *NullV2I32Ptr = Constant::getNullValue(V2Int32PtrTy); | |
284 | CastInst::CreatePointerCast(NullV2I32Ptr, V2Int32Ty, "foo", BB); | |
285 | ||
286 | // Second form | |
287 | CastInst::CreatePointerCast(NullV2I32Ptr, V2Int32Ty); | |
288 | } | |
223e47cc LB |
289 | |
290 | TEST(InstructionsTest, VectorGep) { | |
291 | LLVMContext &C(getGlobalContext()); | |
292 | ||
293 | // Type Definitions | |
294 | PointerType *Ptri8Ty = PointerType::get(IntegerType::get(C, 8), 0); | |
1a4d82fc | 295 | PointerType *Ptri32Ty = PointerType::get(IntegerType::get(C, 32), 0); |
223e47cc LB |
296 | |
297 | VectorType *V2xi8PTy = VectorType::get(Ptri8Ty, 2); | |
298 | VectorType *V2xi32PTy = VectorType::get(Ptri32Ty, 2); | |
299 | ||
300 | // Test different aspects of the vector-of-pointers type | |
301 | // and GEPs which use this type. | |
302 | ConstantInt *Ci32a = ConstantInt::get(C, APInt(32, 1492)); | |
303 | ConstantInt *Ci32b = ConstantInt::get(C, APInt(32, 1948)); | |
304 | std::vector<Constant*> ConstVa(2, Ci32a); | |
305 | std::vector<Constant*> ConstVb(2, Ci32b); | |
306 | Constant *C2xi32a = ConstantVector::get(ConstVa); | |
307 | Constant *C2xi32b = ConstantVector::get(ConstVb); | |
308 | ||
309 | CastInst *PtrVecA = new IntToPtrInst(C2xi32a, V2xi32PTy); | |
310 | CastInst *PtrVecB = new IntToPtrInst(C2xi32b, V2xi32PTy); | |
311 | ||
312 | ICmpInst *ICmp0 = new ICmpInst(ICmpInst::ICMP_SGT, PtrVecA, PtrVecB); | |
313 | ICmpInst *ICmp1 = new ICmpInst(ICmpInst::ICMP_ULT, PtrVecA, PtrVecB); | |
314 | EXPECT_NE(ICmp0, ICmp1); // suppress warning. | |
315 | ||
970d7e83 LB |
316 | BasicBlock* BB0 = BasicBlock::Create(C); |
317 | // Test InsertAtEnd ICmpInst constructor. | |
318 | ICmpInst *ICmp2 = new ICmpInst(*BB0, ICmpInst::ICMP_SGE, PtrVecA, PtrVecB); | |
319 | EXPECT_NE(ICmp0, ICmp2); // suppress warning. | |
320 | ||
223e47cc LB |
321 | GetElementPtrInst *Gep0 = GetElementPtrInst::Create(PtrVecA, C2xi32a); |
322 | GetElementPtrInst *Gep1 = GetElementPtrInst::Create(PtrVecA, C2xi32b); | |
323 | GetElementPtrInst *Gep2 = GetElementPtrInst::Create(PtrVecB, C2xi32a); | |
324 | GetElementPtrInst *Gep3 = GetElementPtrInst::Create(PtrVecB, C2xi32b); | |
325 | ||
326 | CastInst *BTC0 = new BitCastInst(Gep0, V2xi8PTy); | |
327 | CastInst *BTC1 = new BitCastInst(Gep1, V2xi8PTy); | |
328 | CastInst *BTC2 = new BitCastInst(Gep2, V2xi8PTy); | |
329 | CastInst *BTC3 = new BitCastInst(Gep3, V2xi8PTy); | |
330 | ||
331 | Value *S0 = BTC0->stripPointerCasts(); | |
332 | Value *S1 = BTC1->stripPointerCasts(); | |
333 | Value *S2 = BTC2->stripPointerCasts(); | |
334 | Value *S3 = BTC3->stripPointerCasts(); | |
335 | ||
336 | EXPECT_NE(S0, Gep0); | |
337 | EXPECT_NE(S1, Gep1); | |
338 | EXPECT_NE(S2, Gep2); | |
339 | EXPECT_NE(S3, Gep3); | |
340 | ||
341 | int64_t Offset; | |
970d7e83 | 342 | DataLayout TD("e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3" |
1a4d82fc | 343 | "2:32:32-f64:64:64-v64:64:64-v128:128:128-a:0:64-s:64:64-f80" |
223e47cc LB |
344 | ":128:128-n8:16:32:64-S128"); |
345 | // Make sure we don't crash | |
970d7e83 LB |
346 | GetPointerBaseWithConstantOffset(Gep0, Offset, &TD); |
347 | GetPointerBaseWithConstantOffset(Gep1, Offset, &TD); | |
348 | GetPointerBaseWithConstantOffset(Gep2, Offset, &TD); | |
349 | GetPointerBaseWithConstantOffset(Gep3, Offset, &TD); | |
223e47cc LB |
350 | |
351 | // Gep of Geps | |
352 | GetElementPtrInst *GepII0 = GetElementPtrInst::Create(Gep0, C2xi32b); | |
353 | GetElementPtrInst *GepII1 = GetElementPtrInst::Create(Gep1, C2xi32a); | |
354 | GetElementPtrInst *GepII2 = GetElementPtrInst::Create(Gep2, C2xi32b); | |
355 | GetElementPtrInst *GepII3 = GetElementPtrInst::Create(Gep3, C2xi32a); | |
356 | ||
357 | EXPECT_EQ(GepII0->getNumIndices(), 1u); | |
358 | EXPECT_EQ(GepII1->getNumIndices(), 1u); | |
359 | EXPECT_EQ(GepII2->getNumIndices(), 1u); | |
360 | EXPECT_EQ(GepII3->getNumIndices(), 1u); | |
361 | ||
362 | EXPECT_FALSE(GepII0->hasAllZeroIndices()); | |
363 | EXPECT_FALSE(GepII1->hasAllZeroIndices()); | |
364 | EXPECT_FALSE(GepII2->hasAllZeroIndices()); | |
365 | EXPECT_FALSE(GepII3->hasAllZeroIndices()); | |
366 | ||
367 | delete GepII0; | |
368 | delete GepII1; | |
369 | delete GepII2; | |
370 | delete GepII3; | |
371 | ||
372 | delete BTC0; | |
373 | delete BTC1; | |
374 | delete BTC2; | |
375 | delete BTC3; | |
376 | ||
377 | delete Gep0; | |
378 | delete Gep1; | |
379 | delete Gep2; | |
380 | delete Gep3; | |
381 | ||
970d7e83 LB |
382 | ICmp2->eraseFromParent(); |
383 | delete BB0; | |
384 | ||
223e47cc LB |
385 | delete ICmp0; |
386 | delete ICmp1; | |
387 | delete PtrVecA; | |
388 | delete PtrVecB; | |
389 | } | |
390 | ||
391 | TEST(InstructionsTest, FPMathOperator) { | |
392 | LLVMContext &Context = getGlobalContext(); | |
393 | IRBuilder<> Builder(Context); | |
394 | MDBuilder MDHelper(Context); | |
395 | Instruction *I = Builder.CreatePHI(Builder.getDoubleTy(), 0); | |
396 | MDNode *MD1 = MDHelper.createFPMath(1.0); | |
397 | Value *V1 = Builder.CreateFAdd(I, I, "", MD1); | |
398 | EXPECT_TRUE(isa<FPMathOperator>(V1)); | |
399 | FPMathOperator *O1 = cast<FPMathOperator>(V1); | |
400 | EXPECT_EQ(O1->getFPAccuracy(), 1.0); | |
401 | delete V1; | |
402 | delete I; | |
403 | } | |
404 | ||
970d7e83 LB |
405 | |
406 | TEST(InstructionsTest, isEliminableCastPair) { | |
407 | LLVMContext &C(getGlobalContext()); | |
408 | ||
1a4d82fc | 409 | Type* Int16Ty = Type::getInt16Ty(C); |
970d7e83 LB |
410 | Type* Int32Ty = Type::getInt32Ty(C); |
411 | Type* Int64Ty = Type::getInt64Ty(C); | |
412 | Type* Int64PtrTy = Type::getInt64PtrTy(C); | |
413 | ||
414 | // Source and destination pointers have same size -> bitcast. | |
415 | EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::PtrToInt, | |
416 | CastInst::IntToPtr, | |
417 | Int64PtrTy, Int64Ty, Int64PtrTy, | |
1a4d82fc | 418 | Int32Ty, nullptr, Int32Ty), |
970d7e83 LB |
419 | CastInst::BitCast); |
420 | ||
1a4d82fc JJ |
421 | // Source and destination have unknown sizes, but the same address space and |
422 | // the intermediate int is the maximum pointer size -> bitcast | |
970d7e83 LB |
423 | EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::PtrToInt, |
424 | CastInst::IntToPtr, | |
425 | Int64PtrTy, Int64Ty, Int64PtrTy, | |
1a4d82fc JJ |
426 | nullptr, nullptr, nullptr), |
427 | CastInst::BitCast); | |
428 | ||
429 | // Source and destination have unknown sizes, but the same address space and | |
430 | // the intermediate int is not the maximum pointer size -> nothing | |
431 | EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::PtrToInt, | |
432 | CastInst::IntToPtr, | |
433 | Int64PtrTy, Int32Ty, Int64PtrTy, | |
434 | nullptr, nullptr, nullptr), | |
970d7e83 LB |
435 | 0U); |
436 | ||
437 | // Middle pointer big enough -> bitcast. | |
438 | EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr, | |
439 | CastInst::PtrToInt, | |
440 | Int64Ty, Int64PtrTy, Int64Ty, | |
1a4d82fc | 441 | nullptr, Int64Ty, nullptr), |
970d7e83 LB |
442 | CastInst::BitCast); |
443 | ||
444 | // Middle pointer too small -> fail. | |
445 | EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr, | |
446 | CastInst::PtrToInt, | |
447 | Int64Ty, Int64PtrTy, Int64Ty, | |
1a4d82fc JJ |
448 | nullptr, Int32Ty, nullptr), |
449 | 0U); | |
450 | ||
451 | // Test that we don't eliminate bitcasts between different address spaces, | |
452 | // or if we don't have available pointer size information. | |
453 | DataLayout DL("e-p:32:32:32-p1:16:16:16-p2:64:64:64-i1:8:8-i8:8:8-i16:16:16" | |
454 | "-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64" | |
455 | "-v128:128:128-a:0:64-s:64:64-f80:128:128-n8:16:32:64-S128"); | |
456 | ||
457 | Type* Int64PtrTyAS1 = Type::getInt64PtrTy(C, 1); | |
458 | Type* Int64PtrTyAS2 = Type::getInt64PtrTy(C, 2); | |
459 | ||
460 | IntegerType *Int16SizePtr = DL.getIntPtrType(C, 1); | |
461 | IntegerType *Int64SizePtr = DL.getIntPtrType(C, 2); | |
462 | ||
463 | // Cannot simplify inttoptr, addrspacecast | |
464 | EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr, | |
465 | CastInst::AddrSpaceCast, | |
466 | Int16Ty, Int64PtrTyAS1, Int64PtrTyAS2, | |
467 | nullptr, Int16SizePtr, Int64SizePtr), | |
468 | 0U); | |
469 | ||
470 | // Cannot simplify addrspacecast, ptrtoint | |
471 | EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::AddrSpaceCast, | |
472 | CastInst::PtrToInt, | |
473 | Int64PtrTyAS1, Int64PtrTyAS2, Int16Ty, | |
474 | Int64SizePtr, Int16SizePtr, nullptr), | |
970d7e83 | 475 | 0U); |
1a4d82fc JJ |
476 | |
477 | // Pass since the bitcast address spaces are the same | |
478 | EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr, | |
479 | CastInst::BitCast, | |
480 | Int16Ty, Int64PtrTyAS1, Int64PtrTyAS1, | |
481 | nullptr, nullptr, nullptr), | |
482 | CastInst::IntToPtr); | |
483 | ||
484 | } | |
485 | ||
486 | TEST(InstructionsTest, CloneCall) { | |
487 | LLVMContext &C(getGlobalContext()); | |
488 | Type *Int32Ty = Type::getInt32Ty(C); | |
489 | Type *ArgTys[] = {Int32Ty, Int32Ty, Int32Ty}; | |
490 | Type *FnTy = FunctionType::get(Int32Ty, ArgTys, /*isVarArg=*/false); | |
491 | Value *Callee = Constant::getNullValue(FnTy->getPointerTo()); | |
492 | Value *Args[] = { | |
493 | ConstantInt::get(Int32Ty, 1), | |
494 | ConstantInt::get(Int32Ty, 2), | |
495 | ConstantInt::get(Int32Ty, 3) | |
496 | }; | |
497 | std::unique_ptr<CallInst> Call(CallInst::Create(Callee, Args, "result")); | |
498 | ||
499 | // Test cloning the tail call kind. | |
500 | CallInst::TailCallKind Kinds[] = {CallInst::TCK_None, CallInst::TCK_Tail, | |
501 | CallInst::TCK_MustTail}; | |
502 | for (CallInst::TailCallKind TCK : Kinds) { | |
503 | Call->setTailCallKind(TCK); | |
504 | std::unique_ptr<CallInst> Clone(cast<CallInst>(Call->clone())); | |
505 | EXPECT_EQ(Call->getTailCallKind(), Clone->getTailCallKind()); | |
506 | } | |
507 | Call->setTailCallKind(CallInst::TCK_None); | |
508 | ||
509 | // Test cloning an attribute. | |
510 | { | |
511 | AttrBuilder AB; | |
512 | AB.addAttribute(Attribute::ReadOnly); | |
513 | Call->setAttributes(AttributeSet::get(C, AttributeSet::FunctionIndex, AB)); | |
514 | std::unique_ptr<CallInst> Clone(cast<CallInst>(Call->clone())); | |
515 | EXPECT_TRUE(Clone->onlyReadsMemory()); | |
516 | } | |
970d7e83 LB |
517 | } |
518 | ||
223e47cc LB |
519 | } // end anonymous namespace |
520 | } // end namespace llvm | |
1a4d82fc JJ |
521 | |
522 |