[llvm] r310020 - Revert r310014 as it breaks build lld-x86_64-darwin13
Victor Leschuk via llvm-commits
llvm-commits at lists.llvm.org
Thu Aug 3 21:43:54 PDT 2017
Author: vleschuk
Date: Thu Aug 3 21:43:54 2017
New Revision: 310020
URL: http://llvm.org/viewvc/llvm-project?rev=310020&view=rev
Log:
Revert r310014 as it breaks build lld-x86_64-darwin13
Removed:
llvm/trunk/test/DebugInfo/Generic/global-sra-array.ll
llvm/trunk/test/DebugInfo/Generic/global-sra-struct.ll
Modified:
llvm/trunk/include/llvm/IR/DIBuilder.h
llvm/trunk/lib/IR/DIBuilder.cpp
llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp
Modified: llvm/trunk/include/llvm/IR/DIBuilder.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/DIBuilder.h?rev=310020&r1=310019&r2=310020&view=diff
==============================================================================
--- llvm/trunk/include/llvm/IR/DIBuilder.h (original)
+++ llvm/trunk/include/llvm/IR/DIBuilder.h Thu Aug 3 21:43:54 2017
@@ -551,17 +551,13 @@ namespace llvm {
DIExpression *createExpression(ArrayRef<uint64_t> Addr = None);
DIExpression *createExpression(ArrayRef<int64_t> Addr);
- /// Create a descriptor to describe one part of an aggregate variable that
- /// is fragmented across multiple Values. The DW_OP_LLVM_fragment operation
- /// will be appended to the elements of \c Expr. If \c Expr already contains
- /// a \c DW_OP_LLVM_fragment \c OffsetInBits is interpreted as an offset
- /// into the existing fragment.
+ /// Create a descriptor to describe one part
+ /// of aggregate variable that is fragmented across multiple Values.
///
/// \param OffsetInBits Offset of the piece in bits.
/// \param SizeInBits Size of the piece in bits.
DIExpression *createFragmentExpression(unsigned OffsetInBits,
- unsigned SizeInBits,
- const DIExpression *Expr = nullptr);
+ unsigned SizeInBits);
/// Create an expression for a variable that does not have an address, but
/// does have a constant value.
Modified: llvm/trunk/lib/IR/DIBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DIBuilder.cpp?rev=310020&r1=310019&r2=310020&view=diff
==============================================================================
--- llvm/trunk/lib/IR/DIBuilder.cpp (original)
+++ llvm/trunk/lib/IR/DIBuilder.cpp Thu Aug 3 21:43:54 2017
@@ -668,31 +668,10 @@ DIExpression *DIBuilder::createExpressio
return createExpression(Addr);
}
-DIExpression *DIBuilder::createFragmentExpression(unsigned OffsetInBits,
- unsigned SizeInBits,
- const DIExpression *Expr) {
- SmallVector<uint64_t, 8> Ops;
- // Copy over the expression, but leave off any trailing DW_OP_LLVM_fragment.
- if (Expr) {
- for (auto Op : Expr->expr_ops()) {
- if (Op.getOp() == dwarf::DW_OP_LLVM_fragment) {
- // Make the new offset point into the existing fragment.
- uint64_t FragmentOffsetInBits = Op.getArg(0);
- uint64_t FragmentSizeInBits = Op.getArg(1);
- assert((OffsetInBits + SizeInBits <= FragmentSizeInBits) &&
- "new fragment outside of original fragment");
- OffsetInBits += FragmentOffsetInBits;
- break;
- }
- Ops.push_back(Op.getOp());
- for (unsigned I = 0; I < Op.getNumArgs(); ++I)
- Ops.push_back(Op.getArg(I));
- }
- }
- Ops.push_back(dwarf::DW_OP_LLVM_fragment);
- Ops.push_back(OffsetInBits);
- Ops.push_back(SizeInBits);
- return DIExpression::get(VMContext, Ops);
+DIExpression *DIBuilder::createFragmentExpression(unsigned OffsetInBytes,
+ unsigned SizeInBytes) {
+ uint64_t Addr[] = {dwarf::DW_OP_LLVM_fragment, OffsetInBytes, SizeInBytes};
+ return DIExpression::get(VMContext, Addr);
}
template <class... Ts>
Modified: llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp?rev=310020&r1=310019&r2=310020&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp Thu Aug 3 21:43:54 2017
@@ -27,9 +27,7 @@
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
-#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/DerivedTypes.h"
-#include "llvm/IR/DIBuilder.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/GetElementPtrTypeIterator.h"
#include "llvm/IR/Instructions.h"
@@ -421,23 +419,6 @@ static bool GlobalUsersSafeToSRA(GlobalV
return true;
}
-/// Copy over the debug info for a variable to its SRA replacements.
-static void transferSRADebugInfo(GlobalVariable *GV, GlobalVariable *NGV,
- uint64_t FragmentOffsetInBits,
- uint64_t FragmentSizeInBits) {
- DIBuilder DIB(*GV->getParent(), /*AllowUnresolved*/ false);
- SmallVector<DIGlobalVariableExpression *, 1> GVs;
- GV->getDebugInfo(GVs);
- for (auto *GVE : GVs) {
- DIVariable *Var = GVE->getVariable();
- DIExpression *Expr = GVE->getExpression();
- DIExpression *NExpr = DIB.createFragmentExpression(
- FragmentOffsetInBits, FragmentSizeInBits, Expr);
- auto *NGVE = DIGlobalVariableExpression::get(GVE->getContext(), Var, NExpr);
- NGV->addDebugInfo(NGVE);
- }
-}
-
/// Perform scalar replacement of aggregates on the specified global variable.
/// This opens the door for other optimizations by exposing the behavior of the
@@ -462,7 +443,6 @@ static GlobalVariable *SRAGlobal(GlobalV
StartAlignment = DL.getABITypeAlignment(GV->getType());
if (StructType *STy = dyn_cast<StructType>(Ty)) {
- uint64_t FragmentOffset = 0;
NewGlobals.reserve(STy->getNumElements());
const StructLayout &Layout = *DL.getStructLayout(STy);
for (unsigned i = 0, e = STy->getNumElements(); i != e; ++i) {
@@ -485,22 +465,15 @@ static GlobalVariable *SRAGlobal(GlobalV
unsigned NewAlign = (unsigned)MinAlign(StartAlignment, FieldOffset);
if (NewAlign > DL.getABITypeAlignment(STy->getElementType(i)))
NGV->setAlignment(NewAlign);
-
- // Copy over the debug info for the variable.
- FragmentOffset = alignTo(FragmentOffset, NewAlign);
- uint64_t Size = DL.getTypeSizeInBits(NGV->getValueType());
- transferSRADebugInfo(GV, NGV, FragmentOffset, Size);
- FragmentOffset += Size;
}
} else if (SequentialType *STy = dyn_cast<SequentialType>(Ty)) {
unsigned NumElements = STy->getNumElements();
if (NumElements > 16 && GV->hasNUsesOrMore(16))
return nullptr; // It's not worth it.
NewGlobals.reserve(NumElements);
- auto ElTy = STy->getElementType();
- uint64_t EltSize = DL.getTypeAllocSize(ElTy);
- unsigned EltAlign = DL.getABITypeAlignment(ElTy);
- uint64_t FragmentSizeInBits = DL.getTypeSizeInBits(ElTy);
+
+ uint64_t EltSize = DL.getTypeAllocSize(STy->getElementType());
+ unsigned EltAlign = DL.getABITypeAlignment(STy->getElementType());
for (unsigned i = 0, e = NumElements; i != e; ++i) {
Constant *In = Init->getAggregateElement(i);
assert(In && "Couldn't get element of initializer?");
@@ -521,8 +494,6 @@ static GlobalVariable *SRAGlobal(GlobalV
unsigned NewAlign = (unsigned)MinAlign(StartAlignment, EltSize*i);
if (NewAlign > EltAlign)
NGV->setAlignment(NewAlign);
-
- transferSRADebugInfo(GV, NGV, FragmentSizeInBits * i, FragmentSizeInBits);
}
}
Removed: llvm/trunk/test/DebugInfo/Generic/global-sra-array.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/global-sra-array.ll?rev=310019&view=auto
==============================================================================
--- llvm/trunk/test/DebugInfo/Generic/global-sra-array.ll (original)
+++ llvm/trunk/test/DebugInfo/Generic/global-sra-array.ll (removed)
@@ -1,129 +0,0 @@
-; RUN: opt -S -globalopt < %s | FileCheck %s
-source_filename = "test.c"
-target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-apple-macosx10.12.0"
-
-%struct.mystruct = type { i32, i64 }
-; Generated at -Os from:
-;
-; static struct { int a; char b; } array[2];
-; void __attribute__((nodebug)) foo(int in) { array[0].a = in; }
-; void __attribute__((nodebug)) bar(int in) { array[1].a = in; }
-; int main(int argc, char **argv)
-; {
-; foo(argv[0][1]);
-; bar(argv[0][1]);
-; return array[0].a + array[1].a;
-; }
-
-%struct.anon = type { i32, i8 }
-
-; This array is first split into two struct, which are then split into their
-; elements, of which only .a survives.
- at array = internal global [2 x %struct.anon] zeroinitializer, align 16, !dbg !0
-; CHECK: @array.0.0 = internal unnamed_addr global i32 0, align 16, !dbg ![[EL0:.*]]
-; CHECK: @array.1.0 = internal unnamed_addr global i32 0, align 8, !dbg ![[EL1:.*]]
-;
-; CHECK: ![[EL0]] = !DIGlobalVariableExpression(var: ![[VAR:.*]], expr: ![[EX1:.*]])
-; CHECK: ![[VAR]] = distinct !DIGlobalVariable(name: "array"
-; CHECK: ![[EX1]] = !DIExpression(DW_OP_LLVM_fragment, 0, 32)
-; CHECK: ![[EL1]] = !DIGlobalVariableExpression(var: ![[VAR]], expr: ![[EX2:.*]])
-; CHECK: ![[EX2]] = !DIExpression(DW_OP_LLVM_fragment, 64, 32)
-
-
-; Function Attrs: nounwind optsize ssp uwtable
-define void @foo(i32 %in) #0 {
-entry:
- store i32 %in, i32* getelementptr inbounds ([2 x %struct.anon], [2 x %struct.anon]* @array, i64 0, i64 0, i32 0), align 16, !tbaa !20
- ret void
-}
-
-; Function Attrs: nounwind optsize ssp uwtable
-define void @bar(i32 %in) #0 {
-entry:
- store i32 %in, i32* getelementptr inbounds ([2 x %struct.anon], [2 x %struct.anon]* @array, i64 0, i64 1, i32 0), align 8, !tbaa !20
- ret void
-}
-
-; Function Attrs: nounwind optsize ssp uwtable
-define i32 @main(i32 %argc, i8** %argv) #0 !dbg !25 {
-entry:
- call void @llvm.dbg.value(metadata i32 %argc, metadata !31, metadata !33), !dbg !34
- call void @llvm.dbg.value(metadata i8** %argv, metadata !32, metadata !33), !dbg !35
- %0 = load i8*, i8** %argv, align 8, !dbg !36, !tbaa !37
- %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 1, !dbg !36
- %1 = load i8, i8* %arrayidx1, align 1, !dbg !36, !tbaa !39
- %conv = sext i8 %1 to i32, !dbg !36
- call void @foo(i32 %conv) #2, !dbg !40
- %2 = load i8*, i8** %argv, align 8, !dbg !41, !tbaa !37
- %arrayidx3 = getelementptr inbounds i8, i8* %2, i64 1, !dbg !41
- %3 = load i8, i8* %arrayidx3, align 1, !dbg !41, !tbaa !39
- %conv4 = sext i8 %3 to i32, !dbg !41
- call void @bar(i32 %conv4) #2, !dbg !42
- %4 = load i32, i32* getelementptr inbounds ([2 x %struct.anon], [2 x %struct.anon]* @array, i64 0, i64 0, i32 0), align 16, !dbg !43, !tbaa !20
- %5 = load i32, i32* getelementptr inbounds ([2 x %struct.anon], [2 x %struct.anon]* @array, i64 0, i64 1, i32 0), align 8, !dbg !44, !tbaa !20
- %add = add nsw i32 %4, %5, !dbg !45
- ret i32 %add, !dbg !46
-}
-
-; Function Attrs: nounwind readnone speculatable
-declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
-
-; Function Attrs: nounwind readnone speculatable
-declare void @llvm.dbg.value(metadata, metadata, metadata) #1
-
-attributes #0 = { nounwind optsize ssp uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="penryn" "target-features"="+cx16,+fxsr,+mmx,+sse,+sse2,+sse3,+sse4.1,+ssse3,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
-attributes #1 = { nounwind readnone speculatable }
-attributes #2 = { optsize }
-
-!llvm.dbg.cu = !{!2}
-!llvm.module.flags = !{!15, !16, !17, !18}
-!llvm.ident = !{!19}
-
-!0 = !DIGlobalVariableExpression(var: !1)
-!1 = distinct !DIGlobalVariable(name: "array", scope: !2, file: !3, line: 1, type: !6, isLocal: true, isDefinition: true)
-!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 6.0.0 (trunk 309960) (llvm/trunk 309961)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
-!3 = !DIFile(filename: "test.c", directory: "/")
-!4 = !{}
-!5 = !{!0}
-!6 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, size: 128, elements: !13)
-!7 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !3, line: 1, size: 64, elements: !8)
-!8 = !{!9, !11}
-!9 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !7, file: !3, line: 1, baseType: !10, size: 32)
-!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
-!11 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !7, file: !3, line: 1, baseType: !12, size: 8, offset: 32)
-!12 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
-!13 = !{!14}
-!14 = !DISubrange(count: 2)
-!15 = !{i32 2, !"Dwarf Version", i32 4}
-!16 = !{i32 2, !"Debug Info Version", i32 3}
-!17 = !{i32 1, !"wchar_size", i32 4}
-!18 = !{i32 7, !"PIC Level", i32 2}
-!19 = !{!"clang version 6.0.0 (trunk 309960) (llvm/trunk 309961)"}
-!20 = !{!21, !22, i64 0}
-!21 = !{!"", !22, i64 0, !23, i64 4}
-!22 = !{!"int", !23, i64 0}
-!23 = !{!"omnipotent char", !24, i64 0}
-!24 = !{!"Simple C/C++ TBAA"}
-!25 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 4, type: !26, isLocal: false, isDefinition: true, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: true, unit: !2, variables: !30)
-!26 = !DISubroutineType(types: !27)
-!27 = !{!10, !10, !28}
-!28 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !29, size: 64)
-!29 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64)
-!30 = !{!31, !32}
-!31 = !DILocalVariable(name: "argc", arg: 1, scope: !25, file: !3, line: 4, type: !10)
-!32 = !DILocalVariable(name: "argv", arg: 2, scope: !25, file: !3, line: 4, type: !28)
-!33 = !DIExpression()
-!34 = !DILocation(line: 4, column: 14, scope: !25)
-!35 = !DILocation(line: 4, column: 27, scope: !25)
-!36 = !DILocation(line: 6, column: 7, scope: !25)
-!37 = !{!38, !38, i64 0}
-!38 = !{!"any pointer", !23, i64 0}
-!39 = !{!23, !23, i64 0}
-!40 = !DILocation(line: 6, column: 3, scope: !25)
-!41 = !DILocation(line: 7, column: 7, scope: !25)
-!42 = !DILocation(line: 7, column: 3, scope: !25)
-!43 = !DILocation(line: 8, column: 19, scope: !25)
-!44 = !DILocation(line: 8, column: 32, scope: !25)
-!45 = !DILocation(line: 8, column: 21, scope: !25)
-!46 = !DILocation(line: 8, column: 3, scope: !25)
Removed: llvm/trunk/test/DebugInfo/Generic/global-sra-struct.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Generic/global-sra-struct.ll?rev=310019&view=auto
==============================================================================
--- llvm/trunk/test/DebugInfo/Generic/global-sra-struct.ll (original)
+++ llvm/trunk/test/DebugInfo/Generic/global-sra-struct.ll (removed)
@@ -1,132 +0,0 @@
-; RUN: opt -S -globalopt < %s | FileCheck %s
-source_filename = "test.c"
-target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-apple-macosx10.12.0"
-
-%struct.mystruct = type { i32, i64 }
-; Generated at -Os from:
-;
-; static struct mystruct {
-; int a;
-; long long int b;
-; } static_struct;
-; void __attribute__((nodebug)) foo(int in) { static_struct.a = in; }
-; void __attribute__((nodebug)) bar(int in) { static_struct.b = in; }
-; int main(int argc, char **argv)
-; {
-; foo(argv[0][1]);
-; bar(argv[0][1]);
-; return static_struct.a + static_struct.b;
-; }
-
-; CHECK: @static_struct.0 = internal unnamed_addr global i32 0, align 8, !dbg ![[EL0:.*]]
-; CHECK: @static_struct.1 = internal unnamed_addr global i64 0, align 8, !dbg ![[EL1:.*]]
-
-; CHECK: ![[EL0]] = !DIGlobalVariableExpression(var: ![[VAR:.*]], expr: ![[EX1:.*]])
-; CHECK: ![[VAR]] = distinct !DIGlobalVariable(name: "static_struct"
-; CHECK: ![[EX1]] = !DIExpression(DW_OP_LLVM_fragment, 0, 32)
-; CHECK: ![[EL1]] = !DIGlobalVariableExpression(var: ![[VAR]], expr: ![[EX2:.*]])
-; CHECK: ![[EX2]] = !DIExpression(DW_OP_LLVM_fragment, 32, 64)
-
- at static_struct = internal global %struct.mystruct zeroinitializer, align 8, !dbg !0
-
-; Function Attrs: nounwind optsize ssp uwtable
-define void @foo(i32 %in) #0 {
-entry:
- store i32 %in, i32* getelementptr inbounds (%struct.mystruct, %struct.mystruct* @static_struct, i32 0, i32 0), align 8, !tbaa !17
- ret void
-}
-
-; Function Attrs: nounwind optsize ssp uwtable
-define void @bar(i32 %in) #0 {
-entry:
- %conv = sext i32 %in to i64
- store i64 %conv, i64* getelementptr inbounds (%struct.mystruct, %struct.mystruct* @static_struct, i32 0, i32 1), align 8, !tbaa !23
- ret void
-}
-
-; Function Attrs: nounwind optsize ssp uwtable
-define i32 @main(i32 %argc, i8** %argv) #0 !dbg !24 {
-entry:
- call void @llvm.dbg.value(metadata i32 %argc, metadata !31, metadata !33), !dbg !34
- call void @llvm.dbg.value(metadata i8** %argv, metadata !32, metadata !33), !dbg !35
- %0 = load i8*, i8** %argv, align 8, !dbg !36, !tbaa !37
- %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 1, !dbg !36
- %1 = load i8, i8* %arrayidx1, align 1, !dbg !36, !tbaa !39
- %conv = sext i8 %1 to i32, !dbg !36
- call void @foo(i32 %conv) #2, !dbg !40
- %2 = load i8*, i8** %argv, align 8, !dbg !41, !tbaa !37
- %arrayidx3 = getelementptr inbounds i8, i8* %2, i64 1, !dbg !41
- %3 = load i8, i8* %arrayidx3, align 1, !dbg !41, !tbaa !39
- %conv4 = sext i8 %3 to i32, !dbg !41
- call void @bar(i32 %conv4) #2, !dbg !42
- %4 = load i32, i32* getelementptr inbounds (%struct.mystruct, %struct.mystruct* @static_struct, i32 0, i32 0), align 8, !dbg !43, !tbaa !17
- %conv5 = sext i32 %4 to i64, !dbg !44
- %5 = load i64, i64* getelementptr inbounds (%struct.mystruct, %struct.mystruct* @static_struct, i32 0, i32 1), align 8, !dbg !45, !tbaa !23
- %add = add nsw i64 %conv5, %5, !dbg !46
- %conv6 = trunc i64 %add to i32, !dbg !44
- ret i32 %conv6, !dbg !47
-}
-
-; Function Attrs: nounwind readnone speculatable
-declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
-
-; Function Attrs: nounwind readnone speculatable
-declare void @llvm.dbg.value(metadata, metadata, metadata) #1
-
-attributes #0 = { nounwind optsize ssp uwtable }
-attributes #1 = { nounwind readnone speculatable }
-attributes #2 = { optsize }
-
-!llvm.dbg.cu = !{!2}
-!llvm.module.flags = !{!12, !13, !14, !15}
-!llvm.ident = !{!16}
-
-!0 = !DIGlobalVariableExpression(var: !1)
-!1 = distinct !DIGlobalVariable(name: "static_struct", scope: !2, file: !3, line: 4, type: !6, isLocal: true, isDefinition: true)
-!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 6.0.0 (trunk 309852) (llvm/trunk 309850)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
-!3 = !DIFile(filename: "test.c", directory: "/")
-!4 = !{}
-!5 = !{!0}
-!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "mystruct", file: !3, line: 1, size: 128, elements: !7)
-!7 = !{!8, !10}
-!8 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !6, file: !3, line: 2, baseType: !9, size: 32)
-!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
-!10 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !6, file: !3, line: 3, baseType: !11, size: 64, offset: 64)
-!11 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed)
-!12 = !{i32 2, !"Dwarf Version", i32 4}
-!13 = !{i32 2, !"Debug Info Version", i32 3}
-!14 = !{i32 1, !"wchar_size", i32 4}
-!15 = !{i32 7, !"PIC Level", i32 2}
-!16 = !{!"clang version 6.0.0 (trunk 309852) (llvm/trunk 309850)"}
-!17 = !{!18, !19, i64 0}
-!18 = !{!"mystruct", !19, i64 0, !22, i64 8}
-!19 = !{!"int", !20, i64 0}
-!20 = !{!"omnipotent char", !21, i64 0}
-!21 = !{!"Simple C/C++ TBAA"}
-!22 = !{!"long long", !20, i64 0}
-!23 = !{!18, !22, i64 8}
-!24 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 7, type: !25, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: true, unit: !2, variables: !30)
-!25 = !DISubroutineType(types: !26)
-!26 = !{!9, !9, !27}
-!27 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !28, size: 64)
-!28 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !29, size: 64)
-!29 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
-!30 = !{!31, !32}
-!31 = !DILocalVariable(name: "argc", arg: 1, scope: !24, file: !3, line: 7, type: !9)
-!32 = !DILocalVariable(name: "argv", arg: 2, scope: !24, file: !3, line: 7, type: !27)
-!33 = !DIExpression()
-!34 = !DILocation(line: 7, column: 14, scope: !24)
-!35 = !DILocation(line: 7, column: 27, scope: !24)
-!36 = !DILocation(line: 9, column: 9, scope: !24)
-!37 = !{!38, !38, i64 0}
-!38 = !{!"any pointer", !20, i64 0}
-!39 = !{!20, !20, i64 0}
-!40 = !DILocation(line: 9, column: 5, scope: !24)
-!41 = !DILocation(line: 10, column: 9, scope: !24)
-!42 = !DILocation(line: 10, column: 5, scope: !24)
-!43 = !DILocation(line: 11, column: 26, scope: !24)
-!44 = !DILocation(line: 11, column: 12, scope: !24)
-!45 = !DILocation(line: 11, column: 44, scope: !24)
-!46 = !DILocation(line: 11, column: 28, scope: !24)
-!47 = !DILocation(line: 11, column: 5, scope: !24)
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