[llvm] r272989 - [esan|cfrag] Add the struct field size array in StructInfo
Qin Zhao via llvm-commits
llvm-commits at lists.llvm.org
Thu Jun 16 21:50:20 PDT 2016
Author: zhaoqin
Date: Thu Jun 16 23:50:20 2016
New Revision: 272989
URL: http://llvm.org/viewvc/llvm-project?rev=272989&view=rev
Log:
[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
Modified:
llvm/trunk/lib/Transforms/Instrumentation/EfficiencySanitizer.cpp
llvm/trunk/test/Instrumentation/EfficiencySanitizer/struct_field_count_basic.ll
llvm/trunk/test/Instrumentation/EfficiencySanitizer/struct_field_gep.ll
Modified: llvm/trunk/lib/Transforms/Instrumentation/EfficiencySanitizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Instrumentation/EfficiencySanitizer.cpp?rev=272989&r1=272988&r2=272989&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Instrumentation/EfficiencySanitizer.cpp (original)
+++ llvm/trunk/lib/Transforms/Instrumentation/EfficiencySanitizer.cpp Thu Jun 16 23:50:20 2016
@@ -304,12 +304,13 @@ GlobalVariable *EfficiencySanitizer::cre
// u32 Size;
// u32 NumFields;
// u32 *FieldOffsets;
+ // u32 *FieldSize;
// u64 *FieldCounters;
// const char **FieldTypeNames;
// };
auto *StructInfoTy =
- StructType::get(Int8PtrTy, Int32Ty, Int32Ty, Int32PtrTy, Int64PtrTy,
- Int8PtrPtrTy, nullptr);
+ StructType::get(Int8PtrTy, Int32Ty, Int32Ty, Int32PtrTy, Int32PtrTy,
+ Int64PtrTy, Int8PtrPtrTy, nullptr);
auto *StructInfoPtrTy = StructInfoTy->getPointerTo();
// This structure should be kept consistent with the CacheFragInfo struct
// in the runtime library.
@@ -367,6 +368,12 @@ GlobalVariable *EfficiencySanitizer::cre
new GlobalVariable(M, OffsetArrayTy, true,
GlobalVariable::InternalLinkage, nullptr);
SmallVector<Constant *, 16> OffsetVec;
+ // FieldSize
+ auto *SizeArrayTy = ArrayType::get(Int32Ty, StructTy->getNumElements());
+ GlobalVariable *Size =
+ new GlobalVariable(M, SizeArrayTy, true,
+ GlobalVariable::InternalLinkage, nullptr);
+ SmallVector<Constant *, 16> SizeVec;
for (unsigned i = 0; i < StructTy->getNumElements(); ++i) {
Type *Ty = StructTy->getElementType(i);
std::string Str;
@@ -377,9 +384,12 @@ GlobalVariable *EfficiencySanitizer::cre
createPrivateGlobalForString(M, StrOS.str(), true),
Int8PtrTy));
OffsetVec.push_back(ConstantInt::get(Int32Ty, SL->getElementOffset(i)));
+ SizeVec.push_back(ConstantInt::get(Int32Ty,
+ DL.getTypeAllocSize(Ty)));
}
TypeNames->setInitializer(ConstantArray::get(TypeNameArrayTy, TypeNameVec));
Offsets->setInitializer(ConstantArray::get(OffsetArrayTy, OffsetVec));
+ Size->setInitializer(ConstantArray::get(SizeArrayTy, SizeVec));
Initializers.push_back(
ConstantStruct::get(
@@ -388,6 +398,7 @@ GlobalVariable *EfficiencySanitizer::cre
ConstantInt::get(Int32Ty, SL->getSizeInBytes()),
ConstantInt::get(Int32Ty, StructTy->getNumElements()),
ConstantExpr::getPointerCast(Offsets, Int32PtrTy),
+ ConstantExpr::getPointerCast(Size, Int32PtrTy),
ConstantExpr::getPointerCast(Counters, Int64PtrTy),
ConstantExpr::getPointerCast(TypeNames, Int8PtrPtrTy),
nullptr));
Modified: llvm/trunk/test/Instrumentation/EfficiencySanitizer/struct_field_count_basic.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Instrumentation/EfficiencySanitizer/struct_field_count_basic.ll?rev=272989&r1=272988&r2=272989&view=diff
==============================================================================
--- llvm/trunk/test/Instrumentation/EfficiencySanitizer/struct_field_count_basic.ll (original)
+++ llvm/trunk/test/Instrumentation/EfficiencySanitizer/struct_field_count_basic.ll Thu Jun 16 23:50:20 2016
@@ -11,36 +11,40 @@
; CHECK: @0 = private unnamed_addr constant [8 x i8] c"<stdin>\00", align 1
; CHECK-NEXT: @1 = private unnamed_addr constant [17 x i8] c"struct.A#2#11#11\00", align 1
; CHECK-NEXT: @"struct.A#2#11#11" = weak global [2 x i64] zeroinitializer
-; 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)]
+; 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)]
; CHECK-NEXT: @3 = internal constant [2 x i32] [i32 0, i32 4]
-; CHECK-NEXT: @4 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
+; CHECK-NEXT: @4 = internal constant [2 x i32] [i32 4, i32 4]
; CHECK-NEXT: @5 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
-; CHECK-NEXT: @6 = private unnamed_addr constant [12 x i8] c"union.U#1#3\00", align 1
+; CHECK-NEXT: @6 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
+; CHECK-NEXT: @7 = private unnamed_addr constant [12 x i8] c"union.U#1#3\00", align 1
; CHECK-NEXT: @"union.U#1#3" = weak global [1 x i64] zeroinitializer
-; CHECK-NEXT: @7 = internal constant [1 x i8*] [i8* getelementptr inbounds ([7 x i8], [7 x i8]* @9, i32 0, i32 0)]
-; CHECK-NEXT: @8 = internal constant [1 x i32] zeroinitializer
-; CHECK-NEXT: @9 = private unnamed_addr constant [7 x i8] c"double\00", align 1
-; CHECK-NEXT: @10 = private unnamed_addr constant [20 x i8] c"struct.C#3#14#13#13\00", align 1
+; CHECK-NEXT: @8 = internal constant [1 x i8*] [i8* getelementptr inbounds ([7 x i8], [7 x i8]* @11, i32 0, i32 0)]
+; CHECK-NEXT: @9 = internal constant [1 x i32] zeroinitializer
+; CHECK-NEXT: @10 = internal constant [1 x i32] [i32 8]
+; CHECK-NEXT: @11 = private unnamed_addr constant [7 x i8] c"double\00", align 1
+; CHECK-NEXT: @12 = private unnamed_addr constant [20 x i8] c"struct.C#3#14#13#13\00", align 1
; CHECK-NEXT: @"struct.C#3#14#13#13" = weak global [3 x i64] zeroinitializer
-; 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)]
-; CHECK-NEXT: @12 = internal constant [3 x i32] [i32 0, i32 8, i32 16]
-; CHECK-NEXT: @13 = private unnamed_addr constant [33 x i8] c"%struct.anon = type { i32, i32 }\00", align 1
-; CHECK-NEXT: @14 = private unnamed_addr constant [30 x i8] c"%union.anon = type { double }\00", align 1
-; CHECK-NEXT: @15 = private unnamed_addr constant [10 x i8] c"[10 x i8]\00", align 1
-; CHECK-NEXT: @16 = private unnamed_addr constant [20 x i8] c"struct.anon#2#11#11\00", align 1
+; 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)]
+; CHECK-NEXT: @14 = internal constant [3 x i32] [i32 0, i32 8, i32 16]
+; CHECK-NEXT: @15 = internal constant [3 x i32] [i32 8, i32 8, i32 10]
+; CHECK-NEXT: @16 = private unnamed_addr constant [33 x i8] c"%struct.anon = type { i32, i32 }\00", align 1
+; CHECK-NEXT: @17 = private unnamed_addr constant [30 x i8] c"%union.anon = type { double }\00", align 1
+; CHECK-NEXT: @18 = private unnamed_addr constant [10 x i8] c"[10 x i8]\00", align 1
+; CHECK-NEXT: @19 = private unnamed_addr constant [20 x i8] c"struct.anon#2#11#11\00", align 1
; CHECK-NEXT: @"struct.anon#2#11#11" = weak global [2 x i64] zeroinitializer
-; 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)]
-; CHECK-NEXT: @18 = internal constant [2 x i32] [i32 0, i32 4]
-; CHECK-NEXT: @19 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
-; CHECK-NEXT: @20 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
-; CHECK-NEXT: @21 = private unnamed_addr constant [15 x i8] c"union.anon#1#3\00", align 1
+; 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)]
+; CHECK-NEXT: @21 = internal constant [2 x i32] [i32 0, i32 4]
+; CHECK-NEXT: @22 = internal constant [2 x i32] [i32 4, i32 4]
+; CHECK-NEXT: @23 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
+; CHECK-NEXT: @24 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
+; CHECK-NEXT: @25 = private unnamed_addr constant [15 x i8] c"union.anon#1#3\00", align 1
; CHECK-NEXT: @"union.anon#1#3" = weak global [1 x i64] zeroinitializer
-; CHECK-NEXT: @22 = internal constant [1 x i8*] [i8* getelementptr inbounds ([7 x i8], [7 x i8]* @24, i32 0, i32 0)]
-; CHECK-NEXT: @23 = internal constant [1 x i32] zeroinitializer
-; CHECK-NEXT: @24 = private unnamed_addr constant [7 x i8] c"double\00", align 1
-; 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) }]
-; 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) }
-
+; CHECK-NEXT: @26 = internal constant [1 x i8*] [i8* getelementptr inbounds ([7 x i8], [7 x i8]* @29, i32 0, i32 0)]
+; CHECK-NEXT: @27 = internal constant [1 x i32] zeroinitializer
+; CHECK-NEXT: @28 = internal constant [1 x i32] [i32 8]
+; CHECK-NEXT: @29 = private unnamed_addr constant [7 x i8] c"double\00", align 1
+; 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, i
32 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) }]
+; 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) }
define i32 @main() {
entry:
@@ -133,6 +137,6 @@ entry:
; Top-level:
; CHECK: define internal void @esan.module_ctor()
-; CHECK: call void @__esan_init(i32 1, i8* bitcast ({ i8*, i32, { i8*, i32, i32, i32*, i64*, i8** }* }* @26 to i8*))
+; CHECK: call void @__esan_init(i32 1, i8* bitcast ({ i8*, i32, { i8*, i32, i32, i32*, i32*, i64*, i8** }* }* @31 to i8*))
; CHECK: define internal void @esan.module_dtor()
-; CHECK: call void @__esan_exit(i8* bitcast ({ i8*, i32, { i8*, i32, i32, i32*, i64*, i8** }* }* @26 to i8*))
+; CHECK: call void @__esan_exit(i8* bitcast ({ i8*, i32, { i8*, i32, i32, i32*, i32*, i64*, i8** }* }* @31 to i8*))
Modified: llvm/trunk/test/Instrumentation/EfficiencySanitizer/struct_field_gep.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Instrumentation/EfficiencySanitizer/struct_field_gep.ll?rev=272989&r1=272988&r2=272989&view=diff
==============================================================================
--- llvm/trunk/test/Instrumentation/EfficiencySanitizer/struct_field_gep.ll (original)
+++ llvm/trunk/test/Instrumentation/EfficiencySanitizer/struct_field_gep.ll Thu Jun 16 23:50:20 2016
@@ -14,7 +14,7 @@
; double Y;
; struct RT Z;
; };
-;
+;
; int *foo(struct ST *s) {
; return &s[1].Z.B[5][13];
; }
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