llvm.org GIT mirror llvm / 4e01f2c
[esan|cfrag] Add the struct field size array in StructInfo Summary: Adds the struct field size array in struct StructInfo. Updates test struct_field_count_basic.ll. Reviewers: aizatsky Subscribers: vitalybuka, zhaoqin, kcc, eugenis, bruening, llvm-commits Differential Revision: http://reviews.llvm.org/D21341 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272989 91177308-0d34-0410-b5e6-96231b3b80d8 Qin Zhao 4 years ago
3 changed file(s) with 44 addition(s) and 29 deletion(s). Raw diff Collapse all Expand all
303303 // u32 Size;
304304 // u32 NumFields;
305305 // u32 *FieldOffsets;
306 // u32 *FieldSize;
306307 // u64 *FieldCounters;
307308 // const char **FieldTypeNames;
308309 // };
309310 auto *StructInfoTy =
310 StructType::get(Int8PtrTy, Int32Ty, Int32Ty, Int32PtrTy, Int64PtrTy,
311 Int8PtrPtrTy, nullptr);
311 StructType::get(Int8PtrTy, Int32Ty, Int32Ty, Int32PtrTy, Int32PtrTy,
312 Int64PtrTy, Int8PtrPtrTy, nullptr);
312313 auto *StructInfoPtrTy = StructInfoTy->getPointerTo();
313314 // This structure should be kept consistent with the CacheFragInfo struct
314315 // in the runtime library.
366367 new GlobalVariable(M, OffsetArrayTy, true,
367368 GlobalVariable::InternalLinkage, nullptr);
368369 SmallVector OffsetVec;
370 // FieldSize
371 auto *SizeArrayTy = ArrayType::get(Int32Ty, StructTy->getNumElements());
372 GlobalVariable *Size =
373 new GlobalVariable(M, SizeArrayTy, true,
374 GlobalVariable::InternalLinkage, nullptr);
375 SmallVector SizeVec;
369376 for (unsigned i = 0; i < StructTy->getNumElements(); ++i) {
370377 Type *Ty = StructTy->getElementType(i);
371378 std::string Str;
376383 createPrivateGlobalForString(M, StrOS.str(), true),
377384 Int8PtrTy));
378385 OffsetVec.push_back(ConstantInt::get(Int32Ty, SL->getElementOffset(i)));
386 SizeVec.push_back(ConstantInt::get(Int32Ty,
387 DL.getTypeAllocSize(Ty)));
379388 }
380389 TypeNames->setInitializer(ConstantArray::get(TypeNameArrayTy, TypeNameVec));
381390 Offsets->setInitializer(ConstantArray::get(OffsetArrayTy, OffsetVec));
391 Size->setInitializer(ConstantArray::get(SizeArrayTy, SizeVec));
382392
383393 Initializers.push_back(
384394 ConstantStruct::get(
387397 ConstantInt::get(Int32Ty, SL->getSizeInBytes()),
388398 ConstantInt::get(Int32Ty, StructTy->getNumElements()),
389399 ConstantExpr::getPointerCast(Offsets, Int32PtrTy),
400 ConstantExpr::getPointerCast(Size, Int32PtrTy),
390401 ConstantExpr::getPointerCast(Counters, Int64PtrTy),
391402 ConstantExpr::getPointerCast(TypeNames, Int8PtrPtrTy),
392403 nullptr));
1010 ; CHECK: @0 = private unnamed_addr constant [8 x i8] c"\00", align 1
1111 ; CHECK-NEXT: @1 = private unnamed_addr constant [17 x i8] c"struct.A#2#11#11\00", align 1
1212 ; CHECK-NEXT: @"struct.A#2#11#11" = weak global [2 x i64] zeroinitializer
13 ; CHECK-NEXT: @2 = internal constant [2 x i8*] [i8* getelementptr inbounds ([4 x i8], [4 x i8]* @4, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @5, i32 0, i32 0)]
13 ; CHECK-NEXT: @2 = internal constant [2 x i8*] [i8* getelementptr inbounds ([4 x i8], [4 x i8]* @5, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @6, i32 0, i32 0)]
1414 ; CHECK-NEXT: @3 = internal constant [2 x i32] [i32 0, i32 4]
15 ; CHECK-NEXT: @4 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
15 ; CHECK-NEXT: @4 = internal constant [2 x i32] [i32 4, i32 4]
1616 ; CHECK-NEXT: @5 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
17 ; CHECK-NEXT: @6 = private unnamed_addr constant [12 x i8] c"union.U#1#3\00", align 1
17 ; CHECK-NEXT: @6 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
18 ; CHECK-NEXT: @7 = private unnamed_addr constant [12 x i8] c"union.U#1#3\00", align 1
1819 ; CHECK-NEXT: @"union.U#1#3" = weak global [1 x i64] zeroinitializer
19 ; CHECK-NEXT: @7 = internal constant [1 x i8*] [i8* getelementptr inbounds ([7 x i8], [7 x i8]* @9, i32 0, i32 0)]
20 ; CHECK-NEXT: @8 = internal constant [1 x i32] zeroinitializer
21 ; CHECK-NEXT: @9 = private unnamed_addr constant [7 x i8] c"double\00", align 1
22 ; CHECK-NEXT: @10 = private unnamed_addr constant [20 x i8] c"struct.C#3#14#13#13\00", align 1
20 ; CHECK-NEXT: @8 = internal constant [1 x i8*] [i8* getelementptr inbounds ([7 x i8], [7 x i8]* @11, i32 0, i32 0)]
21 ; CHECK-NEXT: @9 = internal constant [1 x i32] zeroinitializer
22 ; CHECK-NEXT: @10 = internal constant [1 x i32] [i32 8]
23 ; CHECK-NEXT: @11 = private unnamed_addr constant [7 x i8] c"double\00", align 1
24 ; CHECK-NEXT: @12 = private unnamed_addr constant [20 x i8] c"struct.C#3#14#13#13\00", align 1
2325 ; CHECK-NEXT: @"struct.C#3#14#13#13" = weak global [3 x i64] zeroinitializer
24 ; CHECK-NEXT: @11 = internal constant [3 x i8*] [i8* getelementptr inbounds ([33 x i8], [33 x i8]* @13, i32 0, i32 0), i8* getelementptr inbounds ([30 x i8], [30 x i8]* @14, i32 0, i32 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @15, i32 0, i32 0)]
25 ; CHECK-NEXT: @12 = internal constant [3 x i32] [i32 0, i32 8, i32 16]
26 ; CHECK-NEXT: @13 = private unnamed_addr constant [33 x i8] c"%struct.anon = type { i32, i32 }\00", align 1
27 ; CHECK-NEXT: @14 = private unnamed_addr constant [30 x i8] c"%union.anon = type { double }\00", align 1
28 ; CHECK-NEXT: @15 = private unnamed_addr constant [10 x i8] c"[10 x i8]\00", align 1
29 ; CHECK-NEXT: @16 = private unnamed_addr constant [20 x i8] c"struct.anon#2#11#11\00", align 1
26 ; CHECK-NEXT: @13 = internal constant [3 x i8*] [i8* getelementptr inbounds ([33 x i8], [33 x i8]* @16, i32 0, i32 0), i8* getelementptr inbounds ([30 x i8], [30 x i8]* @17, i32 0, i32 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @18, i32 0, i32 0)]
27 ; CHECK-NEXT: @14 = internal constant [3 x i32] [i32 0, i32 8, i32 16]
28 ; CHECK-NEXT: @15 = internal constant [3 x i32] [i32 8, i32 8, i32 10]
29 ; CHECK-NEXT: @16 = private unnamed_addr constant [33 x i8] c"%struct.anon = type { i32, i32 }\00", align 1
30 ; CHECK-NEXT: @17 = private unnamed_addr constant [30 x i8] c"%union.anon = type { double }\00", align 1
31 ; CHECK-NEXT: @18 = private unnamed_addr constant [10 x i8] c"[10 x i8]\00", align 1
32 ; CHECK-NEXT: @19 = private unnamed_addr constant [20 x i8] c"struct.anon#2#11#11\00", align 1
3033 ; CHECK-NEXT: @"struct.anon#2#11#11" = weak global [2 x i64] zeroinitializer
31 ; CHECK-NEXT: @17 = internal constant [2 x i8*] [i8* getelementptr inbounds ([4 x i8], [4 x i8]* @19, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @20, i32 0, i32 0)]
32 ; CHECK-NEXT: @18 = internal constant [2 x i32] [i32 0, i32 4]
33 ; CHECK-NEXT: @19 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
34 ; CHECK-NEXT: @20 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
35 ; CHECK-NEXT: @21 = private unnamed_addr constant [15 x i8] c"union.anon#1#3\00", align 1
34 ; CHECK-NEXT: @20 = internal constant [2 x i8*] [i8* getelementptr inbounds ([4 x i8], [4 x i8]* @23, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @24, i32 0, i32 0)]
35 ; CHECK-NEXT: @21 = internal constant [2 x i32] [i32 0, i32 4]
36 ; CHECK-NEXT: @22 = internal constant [2 x i32] [i32 4, i32 4]
37 ; CHECK-NEXT: @23 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
38 ; CHECK-NEXT: @24 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
39 ; CHECK-NEXT: @25 = private unnamed_addr constant [15 x i8] c"union.anon#1#3\00", align 1
3640 ; CHECK-NEXT: @"union.anon#1#3" = weak global [1 x i64] zeroinitializer
37 ; CHECK-NEXT: @22 = internal constant [1 x i8*] [i8* getelementptr inbounds ([7 x i8], [7 x i8]* @24, i32 0, i32 0)]
38 ; CHECK-NEXT: @23 = internal constant [1 x i32] zeroinitializer
39 ; CHECK-NEXT: @24 = private unnamed_addr constant [7 x i8] c"double\00", align 1
40 ; CHECK-NEXT: @25 = internal global [5 x { i8*, i32, i32, i32*, i64*, i8** }] [{ i8*, i32, i32, i32*, i64*, i8** } { i8* getelementptr inbounds ([17 x i8], [17 x i8]* @1, i32 0, i32 0), i32 8, i32 2, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @3, i32 0, i32 0), i64* getelementptr inbounds ([2 x i64], [2 x i64]* @"struct.A#2#11#11", i32 0, i32 0), i8** getelementptr inbounds ([2 x i8*], [2 x i8*]* @2, i32 0, i32 0) }, { i8*, i32, i32, i32*, i64*, i8** } { i8* getelementptr inbounds ([12 x i8], [12 x i8]* @6, i32 0, i32 0), i32 8, i32 1, i32* getelementptr inbounds ([1 x i32], [1 x i32]* @8, i32 0, i32 0), i64* getelementptr inbounds ([1 x i64], [1 x i64]* @"union.U#1#3", i32 0, i32 0), i8** getelementptr inbounds ([1 x i8*], [1 x i8*]* @7, i32 0, i32 0) }, { i8*, i32, i32, i32*, i64*, i8** } { i8* getelementptr inbounds ([20 x i8], [20 x i8]* @10, i32 0, i32 0), i32 32, i32 3, i32* getelementptr inbounds ([3 x i32], [3 x i32]* @12, i32 0, i32 0), i64* getelementptr inbounds ([3 x i64], [3 x i64]* @"struct.C#3#14#13#13", i32 0, i32 0), i8** getelementptr inbounds ([3 x i8*], [3 x i8*]* @11, i32 0, i32 0) }, { i8*, i32, i32, i32*, i64*, i8** } { i8* getelementptr inbounds ([20 x i8], [20 x i8]* @16, i32 0, i32 0), i32 8, i32 2, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @18, i32 0, i32 0), i64* getelementptr inbounds ([2 x i64], [2 x i64]* @"struct.anon#2#11#11", i32 0, i32 0), i8** getelementptr inbounds ([2 x i8*], [2 x i8*]* @17, i32 0, i32 0) }, { i8*, i32, i32, i32*, i64*, i8** } { i8* getelementptr inbounds ([15 x i8], [15 x i8]* @21, i32 0, i32 0), i32 8, i32 1, i32* getelementptr inbounds ([1 x i32], [1 x i32]* @23, i32 0, i32 0), i64* getelementptr inbounds ([1 x i64], [1 x i64]* @"union.anon#1#3", i32 0, i32 0), i8** getelementptr inbounds ([1 x i8*], [1 x i8*]* @22, i32 0, i32 0) }]
41 ; CHECK-NEXT: @26 = internal constant { i8*, i32, { i8*, i32, i32, i32*, i64*, i8** }* } { i8* getelementptr inbounds ([8 x i8], [8 x i8]* @0, i32 0, i32 0), i32 5, { i8*, i32, i32, i32*, i64*, i8** }* getelementptr inbounds ([5 x { i8*, i32, i32, i32*, i64*, i8** }], [5 x { i8*, i32, i32, i32*, i64*, i8** }]* @25, i32 0, i32 0) }
42
41 ; CHECK-NEXT: @26 = internal constant [1 x i8*] [i8* getelementptr inbounds ([7 x i8], [7 x i8]* @29, i32 0, i32 0)]
42 ; CHECK-NEXT: @27 = internal constant [1 x i32] zeroinitializer
43 ; CHECK-NEXT: @28 = internal constant [1 x i32] [i32 8]
44 ; CHECK-NEXT: @29 = private unnamed_addr constant [7 x i8] c"double\00", align 1
45 ; CHECK-NEXT: @30 = internal global [5 x { i8*, i32, i32, i32*, i32*, i64*, i8** }] [{ i8*, i32, i32, i32*, i32*, i64*, i8** } { i8* getelementptr inbounds ([17 x i8], [17 x i8]* @1, i32 0, i32 0), i32 8, i32 2, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @3, i32 0, i32 0), i32* getelementptr inbounds ([2 x i32], [2 x i32]* @4, i32 0, i32 0), i64* getelementptr inbounds ([2 x i64], [2 x i64]* @"struct.A#2#11#11", i32 0, i32 0), i8** getelementptr inbounds ([2 x i8*], [2 x i8*]* @2, i32 0, i32 0) }, { i8*, i32, i32, i32*, i32*, i64*, i8** } { i8* getelementptr inbounds ([12 x i8], [12 x i8]* @7, i32 0, i32 0), i32 8, i32 1, i32* getelementptr inbounds ([1 x i32], [1 x i32]* @9, i32 0, i32 0), i32* getelementptr inbounds ([1 x i32], [1 x i32]* @10, i32 0, i32 0), i64* getelementptr inbounds ([1 x i64], [1 x i64]* @"union.U#1#3", i32 0, i32 0), i8** getelementptr inbounds ([1 x i8*], [1 x i8*]* @8, i32 0, i32 0) }, { i8*, i32, i32, i32*, i32*, i64*, i8** } { i8* getelementptr inbounds ([20 x i8], [20 x i8]* @12, i32 0, i32 0), i32 32, i32 3, i32* getelementptr inbounds ([3 x i32], [3 x i32]* @14, i32 0, i32 0), i32* getelementptr inbounds ([3 x i32], [3 x i32]* @15, i32 0, i32 0), i64* getelementptr inbounds ([3 x i64], [3 x i64]* @"struct.C#3#14#13#13", i32 0, i32 0), i8** getelementptr inbounds ([3 x i8*], [3 x i8*]* @13, i32 0, i32 0) }, { i8*, i32, i32, i32*, i32*, i64*, i8** } { i8* getelementptr inbounds ([20 x i8], [20 x i8]* @19, i32 0, i32 0), i32 8, i32 2, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @21, i32 0, i32 0), i32* getelementptr inbounds ([2 x i32], [2 x i32]* @22, i32 0, i32 0), i64* getelementptr inbounds ([2 x i64], [2 x i64]* @"struct.anon#2#11#11", i32 0, i32 0), i8** getelementptr inbounds ([2 x i8*], [2 x i8*]* @20, i32 0, i32 0) }, { i8*, i32, i32, i32*, i32*, i64*, i8** } { i8* getelementptr inbounds ([15 x i8], [15 x i8]* @25, i32 0, i32 0), i32 8, i32 1, i32* getelementptr inbounds ([1 x i32], [1 x i32]* @27, i32 0, i32 0), i32* getelementptr inbounds ([1 x i32], [1 x i32]* @28, i32 0, i32 0), i64* getelementptr inbounds ([1 x i64], [1 x i64]* @"union.anon#1#3", i32 0, i32 0), i8** getelementptr inbounds ([1 x i8*], [1 x i8*]* @26, i32 0, i32 0) }]
46 ; CHECK-NEXT: @31 = internal constant { i8*, i32, { i8*, i32, i32, i32*, i32*, i64*, i8** }* } { i8* getelementptr inbounds ([8 x i8], [8 x i8]* @0, i32 0, i32 0), i32 5, { i8*, i32, i32, i32*, i32*, i64*, i8** }* getelementptr inbounds ([5 x { i8*, i32, i32, i32*, i32*, i64*, i8** }], [5 x { i8*, i32, i32, i32*, i32*, i64*, i8** }]* @30, i32 0, i32 0) }
4347
4448 define i32 @main() {
4549 entry:
132136 ; Top-level:
133137
134138 ; CHECK: define internal void @esan.module_ctor()
135 ; CHECK: call void @__esan_init(i32 1, i8* bitcast ({ i8*, i32, { i8*, i32, i32, i32*, i64*, i8** }* }* @26 to i8*))
139 ; CHECK: call void @__esan_init(i32 1, i8* bitcast ({ i8*, i32, { i8*, i32, i32, i32*, i32*, i64*, i8** }* }* @31 to i8*))
136140 ; CHECK: define internal void @esan.module_dtor()
137 ; CHECK: call void @__esan_exit(i8* bitcast ({ i8*, i32, { i8*, i32, i32, i32*, i64*, i8** }* }* @26 to i8*))
141 ; CHECK: call void @__esan_exit(i8* bitcast ({ i8*, i32, { i8*, i32, i32, i32*, i32*, i64*, i8** }* }* @31 to i8*))
1313 ; double Y;
1414 ; struct RT Z;
1515 ; };
16 ;
16 ;
1717 ; int *foo(struct ST *s) {
1818 ; return &s[1].Z.B[5][13];
1919 ; }