From 56b03d0dd6872f37d796ac55e8e5912a78cd310f Mon Sep 17 00:00:00 2001 From: Victor Leschuk Date: Fri, 4 Aug 2017 04:51:15 +0000 Subject: [PATCH] Un-revert r310014: false revert, it wasn't the cause of build break llvm-svn: 310021 --- llvm/include/llvm/IR/DIBuilder.h | 10 +- llvm/lib/IR/DIBuilder.cpp | 29 ++++- llvm/lib/Transforms/IPO/GlobalOpt.cpp | 35 +++++- llvm/test/DebugInfo/Generic/global-sra-array.ll | 129 ++++++++++++++++++++++ llvm/test/DebugInfo/Generic/global-sra-struct.ll | 132 +++++++++++++++++++++++ 5 files changed, 325 insertions(+), 10 deletions(-) create mode 100644 llvm/test/DebugInfo/Generic/global-sra-array.ll create mode 100644 llvm/test/DebugInfo/Generic/global-sra-struct.ll diff --git a/llvm/include/llvm/IR/DIBuilder.h b/llvm/include/llvm/IR/DIBuilder.h index 60f443f..fbb0e20 100644 --- a/llvm/include/llvm/IR/DIBuilder.h +++ b/llvm/include/llvm/IR/DIBuilder.h @@ -551,13 +551,17 @@ namespace llvm { DIExpression *createExpression(ArrayRef Addr = None); DIExpression *createExpression(ArrayRef Addr); - /// Create a descriptor to describe one part - /// of aggregate variable that is fragmented across multiple Values. + /// 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. /// /// \param OffsetInBits Offset of the piece in bits. /// \param SizeInBits Size of the piece in bits. DIExpression *createFragmentExpression(unsigned OffsetInBits, - unsigned SizeInBits); + unsigned SizeInBits, + const DIExpression *Expr = nullptr); /// Create an expression for a variable that does not have an address, but /// does have a constant value. diff --git a/llvm/lib/IR/DIBuilder.cpp b/llvm/lib/IR/DIBuilder.cpp index 972b6a2..f4702b3 100644 --- a/llvm/lib/IR/DIBuilder.cpp +++ b/llvm/lib/IR/DIBuilder.cpp @@ -668,10 +668,31 @@ DIExpression *DIBuilder::createExpression(ArrayRef Signed) { return createExpression(Addr); } -DIExpression *DIBuilder::createFragmentExpression(unsigned OffsetInBytes, - unsigned SizeInBytes) { - uint64_t Addr[] = {dwarf::DW_OP_LLVM_fragment, OffsetInBytes, SizeInBytes}; - return DIExpression::get(VMContext, Addr); +DIExpression *DIBuilder::createFragmentExpression(unsigned OffsetInBits, + unsigned SizeInBits, + const DIExpression *Expr) { + SmallVector 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); } template diff --git a/llvm/lib/Transforms/IPO/GlobalOpt.cpp b/llvm/lib/Transforms/IPO/GlobalOpt.cpp index 93eab68..890fef5 100644 --- a/llvm/lib/Transforms/IPO/GlobalOpt.cpp +++ b/llvm/lib/Transforms/IPO/GlobalOpt.cpp @@ -27,7 +27,9 @@ #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" @@ -419,6 +421,23 @@ static bool GlobalUsersSafeToSRA(GlobalValue *GV) { 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 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 @@ -443,6 +462,7 @@ static GlobalVariable *SRAGlobal(GlobalVariable *GV, const DataLayout &DL) { StartAlignment = DL.getABITypeAlignment(GV->getType()); if (StructType *STy = dyn_cast(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) { @@ -465,15 +485,22 @@ static GlobalVariable *SRAGlobal(GlobalVariable *GV, const DataLayout &DL) { 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(Ty)) { unsigned NumElements = STy->getNumElements(); if (NumElements > 16 && GV->hasNUsesOrMore(16)) return nullptr; // It's not worth it. NewGlobals.reserve(NumElements); - - uint64_t EltSize = DL.getTypeAllocSize(STy->getElementType()); - unsigned EltAlign = DL.getABITypeAlignment(STy->getElementType()); + auto ElTy = STy->getElementType(); + uint64_t EltSize = DL.getTypeAllocSize(ElTy); + unsigned EltAlign = DL.getABITypeAlignment(ElTy); + uint64_t FragmentSizeInBits = DL.getTypeSizeInBits(ElTy); for (unsigned i = 0, e = NumElements; i != e; ++i) { Constant *In = Init->getAggregateElement(i); assert(In && "Couldn't get element of initializer?"); @@ -494,6 +521,8 @@ static GlobalVariable *SRAGlobal(GlobalVariable *GV, const DataLayout &DL) { unsigned NewAlign = (unsigned)MinAlign(StartAlignment, EltSize*i); if (NewAlign > EltAlign) NGV->setAlignment(NewAlign); + + transferSRADebugInfo(GV, NGV, FragmentSizeInBits * i, FragmentSizeInBits); } } diff --git a/llvm/test/DebugInfo/Generic/global-sra-array.ll b/llvm/test/DebugInfo/Generic/global-sra-array.ll new file mode 100644 index 0000000..e48ee74 --- /dev/null +++ b/llvm/test/DebugInfo/Generic/global-sra-array.ll @@ -0,0 +1,129 @@ +; 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. +@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) diff --git a/llvm/test/DebugInfo/Generic/global-sra-struct.ll b/llvm/test/DebugInfo/Generic/global-sra-struct.ll new file mode 100644 index 0000000..e17e8cf --- /dev/null +++ b/llvm/test/DebugInfo/Generic/global-sra-struct.ll @@ -0,0 +1,132 @@ +; 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) + +@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) -- 2.7.4