Index: lib/CodeGen/AsmPrinter/AsmPrinter.cpp
===================================================================
--- lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -775,6 +775,28 @@
bool Deref = MI->getOperand(0).isReg() && MI->getOperand(1).isImm();
int64_t Offset = Deref ? MI->getOperand(1).getImm() : 0;
+ for (unsigned i = 0; i < Expr->getNumElements(); ++i) {
+ if (Deref) {
+ // We currently don't support extra Offsets or derefs after the first
+ // one. Bail out early instead of emitting an incorrect comment
+ OS << " [complex expression]";
+ AP.OutStreamer->emitRawComment(OS.str());
+ return true;
+ }
+ uint64_t Op = Expr->getElement(i);
+ if (Op == dwarf::DW_OP_deref) {
+ Deref = true;
+ continue;
+ }
+ uint64_t ExtraOffset = Expr->getElement(i++);
+ if (Op == dwarf::DW_OP_plus)
+ Offset += ExtraOffset;
+ else {
+ assert(Op == dwarf::DW_OP_minus);
+ Offset -= ExtraOffset;
+ }
+ }
+
// Register or immediate value. Register 0 means undef.
if (MI->getOperand(0).isFPImm()) {
APFloat APF = APFloat(MI->getOperand(0).getFPImm()->getValueAPF());
Index: lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
===================================================================
--- lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -951,7 +951,7 @@
"Expected inlined-at fields to agree");
uint64_t Offset = DI->getOffset();
// A dbg.value for an alloca is always indirect.
- bool IsIndirect = isa<AllocaInst>(V) || Offset != 0;
+ bool IsIndirect = Offset != 0;
SDDbgValue *SDV;
if (Val.getNode()) {
if (!EmitFuncArgumentDbgValue(V, Variable, Expr, dl, Offset, IsIndirect,
@@ -4528,12 +4528,10 @@
// Check unused arguments map.
N = UnusedArgNodeMap[V];
if (N.getNode()) {
- // A dbg.value for an alloca is always indirect.
- bool IsIndirect = isa<AllocaInst>(V) || Offset != 0;
if (!EmitFuncArgumentDbgValue(V, Variable, Expression, dl, Offset,
- IsIndirect, N)) {
+ false, N)) {
SDV = DAG.getDbgValue(Variable, Expression, N.getNode(), N.getResNo(),
- IsIndirect, Offset, dl, SDNodeOrder);
+ false, Offset, dl, SDNodeOrder);
DAG.AddDbgValue(SDV, N.getNode(), false);
}
} else if (!V->use_empty() ) {
Index: lib/Transforms/Utils/Local.cpp
===================================================================
--- lib/Transforms/Utils/Local.cpp
+++ lib/Transforms/Utils/Local.cpp
@@ -1071,8 +1071,14 @@
if (LdStHasDebugValue(DIVar, LI))
return true;
- Builder.insertDbgValueIntrinsic(LI->getOperand(0), 0, DIVar, DIExpr,
- DDI->getDebugLoc(), LI);
+ // We are now tracking the loaded value instead of the address. In the
+ // future if multi-location support is added to the IR, it might be
+ // preferable to keep tracking both the loaded value and the original
+ // address in case the alloca can not be elided.
+ Instruction *DbgValue =
+ Builder.insertDbgValueIntrinsic(LI, 0, DIVar, DIExpr,
+ DDI->getDebugLoc(), (Instruction*) nullptr);
+ DbgValue->insertAfter(LI);
return true;
}
@@ -1114,9 +1120,14 @@
// This is a call by-value or some other instruction that
// takes a pointer to the variable. Insert a *value*
// intrinsic that describes the alloca.
+ SmallVector<uint64_t, 1> NewDIExpr;
+ auto *DIExpr = DDI->getExpression();
+ NewDIExpr.push_back(dwarf::DW_OP_deref);
+ if (DIExpr)
+ NewDIExpr.append(DIExpr->elements_begin(), DIExpr->elements_end());
DIB.insertDbgValueIntrinsic(AI, 0, DDI->getVariable(),
- DDI->getExpression(), DDI->getDebugLoc(),
- CI);
+ DIB.createExpression(NewDIExpr),
+ DDI->getDebugLoc(), CI);
}
DDI->eraseFromParent();
}
Index: test/CodeGen/ARM/debug-info-blocks.ll
===================================================================
--- test/CodeGen/ARM/debug-info-blocks.ll
+++ test/CodeGen/ARM/debug-info-blocks.ll
@@ -1,5 +1,5 @@
; RUN: llc -O0 < %s | FileCheck %s
-; CHECK: @DEBUG_VALUE: foobar_func_block_invoke_0:mydata <- [%SP+{{[0-9]+}}]
+; CHECK: @DEBUG_VALUE: foobar_func_block_invoke_0:mydata <- [complex expression]
; Radar 9331779
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32"
target triple = "thumbv7-apple-ios"
Index: test/DebugInfo/AArch64/coalescing.ll
===================================================================
--- test/DebugInfo/AArch64/coalescing.ll
+++ test/DebugInfo/AArch64/coalescing.ll
@@ -60,6 +60,6 @@
!13 = !{i32 2, !"Debug Info Version", i32 3}
!14 = !{!"clang version 3.6.0 (trunk 223149) (llvm/trunk 223115)"}
!15 = !DILocation(line: 5, column: 3, scope: !4)
-!16 = !DIExpression()
+!16 = !DIExpression(DW_OP_deref)
!17 = !DILocation(line: 4, column: 12, scope: !4)
!18 = !DILocation(line: 8, column: 1, scope: !4)
Index: test/DebugInfo/Mips/dsr-fixed-objects.ll
===================================================================
--- test/DebugInfo/Mips/dsr-fixed-objects.ll
+++ test/DebugInfo/Mips/dsr-fixed-objects.ll
@@ -55,11 +55,11 @@
}
-; F1: DW_AT_location [DW_FORM_sec_offset] (0x00000033)
+; F1: DW_AT_location [DW_FORM_sec_offset] (0x00000032)
; F1: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000006b] = "x")
; x -> DW_OP_reg1(51)
-; F1: 0x00000033: Beginning address offset: 0x0000000000000080
+; F1: 0x00000032: Beginning address offset: 0x0000000000000080
; F1: Ending address offset: 0x0000000000000088
; F1: Location description: 51
Index: test/DebugInfo/X86/array.ll
===================================================================
--- test/DebugInfo/X86/array.ll
+++ test/DebugInfo/X86/array.ll
@@ -35,13 +35,13 @@
%array = alloca [4 x i32], align 16
tail call void @llvm.dbg.value(metadata i32 %argc, i64 0, metadata !19, metadata !DIExpression()), !dbg !35
tail call void @llvm.dbg.value(metadata i8** %argv, i64 0, metadata !20, metadata !DIExpression()), !dbg !35
- tail call void @llvm.dbg.value(metadata [4 x i32]* %array, i64 0, metadata !21, metadata !DIExpression()), !dbg !36
+ tail call void @llvm.dbg.value(metadata [4 x i32]* %array, i64 0, metadata !21, metadata !DIExpression(DW_OP_deref)), !dbg !36
%1 = bitcast [4 x i32]* %array to i8*, !dbg !36
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* bitcast ([4 x i32]* @main.array to i8*), i64 16, i32 16, i1 false), !dbg !36
- tail call void @llvm.dbg.value(metadata [4 x i32]* %array, i64 0, metadata !21, metadata !DIExpression()), !dbg !36
+ tail call void @llvm.dbg.value(metadata [4 x i32]* %array, i64 0, metadata !21, metadata !DIExpression(DW_OP_deref)), !dbg !36
%2 = getelementptr inbounds [4 x i32], [4 x i32]* %array, i64 0, i64 0, !dbg !37
call void @f(i32* %2), !dbg !37
- tail call void @llvm.dbg.value(metadata [4 x i32]* %array, i64 0, metadata !21, metadata !DIExpression()), !dbg !36
+ tail call void @llvm.dbg.value(metadata [4 x i32]* %array, i64 0, metadata !21, metadata !DIExpression(DW_OP_deref)), !dbg !36
%3 = load i32, i32* %2, align 16, !dbg !38, !tbaa !30
ret i32 %3, !dbg !38
}
Index: test/DebugInfo/X86/dbg-value-const-byref.ll
===================================================================
--- test/DebugInfo/X86/dbg-value-const-byref.ll
+++ test/DebugInfo/X86/dbg-value-const-byref.ll
@@ -56,7 +56,7 @@
%call1 = call i32 (...) @f1() #3, !dbg !19
call void @llvm.dbg.value(metadata i32 %call1, i64 0, metadata !10, metadata !DIExpression()), !dbg !19
store i32 %call1, i32* %i, align 4, !dbg !19, !tbaa !20
- call void @llvm.dbg.value(metadata i32* %i, i64 0, metadata !10, metadata !DIExpression()), !dbg !24
+ call void @llvm.dbg.value(metadata i32* %i, i64 0, metadata !10, metadata !DIExpression(DW_OP_deref)), !dbg !24
call void @f2(i32* %i) #3, !dbg !24
ret i32 0, !dbg !25
}
Index: test/DebugInfo/X86/debug-loc-asan.ll
===================================================================
--- test/DebugInfo/X86/debug-loc-asan.ll
+++ /dev/null
@@ -1,182 +0,0 @@
-; RUN: llc -O0 -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
-
-; Verify that we have correct debug info for local variables in code
-; instrumented with AddressSanitizer.
-
-; Generated from the source file test.cc:
-; int bar(int y) {
-; return y + 2;
-; }
-; with "clang++ -S -emit-llvm -fsanitize=address -O0 -g test.cc"
-
-; First, argument variable "y" resides in %rdi:
-; CHECK: DEBUG_VALUE: bar:y <- %RDI
-
-; Then its address is stored in a location on a stack:
-; CHECK: movq %rdi, [[OFFSET:[0-9]+]](%rsp)
-; CHECK-NEXT: [[START_LABEL:.Ltmp[0-9]+]]
-; CHECK-NEXT: DEBUG_VALUE: bar:y <- [%RSP+[[OFFSET]]]
-; This location should be valid until the end of the function.
-
-; CHECK: .Ldebug_loc{{[0-9]+}}:
-; We expect two location ranges for the variable.
-
-; First, its address is stored in %rdi:
-; CHECK: .quad .Lfunc_begin0-.Lfunc_begin0
-; CHECK-NEXT: .quad [[START_LABEL]]-.Lfunc_begin0
-; CHECK: DW_OP_breg5
-
-; Then it's addressed via %rsp:
-; CHECK: .quad [[START_LABEL]]-.Lfunc_begin0
-; CHECK-NEXT: .Lfunc_end0-.Lfunc_begin0
-; CHECK: DW_OP_breg7
-; CHECK-NEXT: [[OFFSET]]
-; CHECK: DW_OP_deref
-
-; ModuleID = 'test.cc'
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-@llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 1, void ()* @asan.module_ctor }]
-@__asan_option_detect_stack_use_after_return = external global i32
-@__asan_gen_ = private unnamed_addr constant [16 x i8] c"1 32 4 6 y.addr\00", align 1
-
-; Function Attrs: nounwind sanitize_address uwtable
-define i32 @_Z3bari(i32 %y) #0 !dbg !4 {
-entry:
- %MyAlloca = alloca [64 x i8], align 32
- %0 = ptrtoint [64 x i8]* %MyAlloca to i64
- %1 = load i32, i32* @__asan_option_detect_stack_use_after_return
- %2 = icmp ne i32 %1, 0
- br i1 %2, label %3, label %5
-
-; <label>:3 ; preds = %entry
- %4 = call i64 @__asan_stack_malloc_0(i64 64, i64 %0)
- br label %5
-
-; <label>:5 ; preds = %entry, %3
- %6 = phi i64 [ %0, %entry ], [ %4, %3 ]
- %7 = add i64 %6, 32
- %8 = inttoptr i64 %7 to i32*
- %9 = inttoptr i64 %6 to i64*
- store i64 1102416563, i64* %9
- %10 = add i64 %6, 8
- %11 = inttoptr i64 %10 to i64*
- store i64 ptrtoint ([16 x i8]* @__asan_gen_ to i64), i64* %11
- %12 = add i64 %6, 16
- %13 = inttoptr i64 %12 to i64*
- store i64 ptrtoint (i32 (i32)* @_Z3bari to i64), i64* %13
- %14 = lshr i64 %6, 3
- %15 = add i64 %14, 2147450880
- %16 = add i64 %15, 0
- %17 = inttoptr i64 %16 to i64*
- store i64 -868083100587789839, i64* %17
- %18 = ptrtoint i32* %8 to i64
- %19 = lshr i64 %18, 3
- %20 = add i64 %19, 2147450880
- %21 = inttoptr i64 %20 to i8*
- %22 = load i8, i8* %21
- %23 = icmp ne i8 %22, 0
- call void @llvm.dbg.declare(metadata i32* %8, metadata !12, metadata !14), !dbg !DILocation(scope: !4)
- br i1 %23, label %24, label %30
-
-; <label>:24 ; preds = %5
- %25 = and i64 %18, 7
- %26 = add i64 %25, 3
- %27 = trunc i64 %26 to i8
- %28 = icmp sge i8 %27, %22
- br i1 %28, label %29, label %30
-
-; <label>:29 ; preds = %24
- call void @__asan_report_store4(i64 %18)
- call void asm sideeffect "", ""()
- unreachable
-
-; <label>:30 ; preds = %24, %5
- store i32 %y, i32* %8, align 4
- %31 = ptrtoint i32* %8 to i64, !dbg !13
- %32 = lshr i64 %31, 3, !dbg !13
- %33 = add i64 %32, 2147450880, !dbg !13
- %34 = inttoptr i64 %33 to i8*, !dbg !13
- %35 = load i8, i8* %34, !dbg !13
- %36 = icmp ne i8 %35, 0, !dbg !13
- br i1 %36, label %37, label %43, !dbg !13
-
-; <label>:37 ; preds = %30
- %38 = and i64 %31, 7, !dbg !13
- %39 = add i64 %38, 3, !dbg !13
- %40 = trunc i64 %39 to i8, !dbg !13
- %41 = icmp sge i8 %40, %35, !dbg !13
- br i1 %41, label %42, label %43
-
-; <label>:42 ; preds = %37
- call void @__asan_report_load4(i64 %31), !dbg !13
- call void asm sideeffect "", ""()
- unreachable
-
-; <label>:43 ; preds = %37, %30
- %44 = load i32, i32* %8, align 4, !dbg !13
- %add = add nsw i32 %44, 2, !dbg !13
- store i64 1172321806, i64* %9, !dbg !13
- %45 = icmp ne i64 %6, %0, !dbg !13
- br i1 %45, label %46, label %53, !dbg !13
-
-; <label>:46 ; preds = %43
- %47 = add i64 %15, 0, !dbg !13
- %48 = inttoptr i64 %47 to i64*, !dbg !13
- store i64 -723401728380766731, i64* %48, !dbg !13
- %49 = add i64 %6, 56, !dbg !13
- %50 = inttoptr i64 %49 to i64*, !dbg !13
- %51 = load i64, i64* %50, !dbg !13
- %52 = inttoptr i64 %51 to i8*, !dbg !13
- store i8 0, i8* %52, !dbg !13
- br label %56, !dbg !13
-
-; <label>:53 ; preds = %43
- %54 = add i64 %15, 0, !dbg !13
- %55 = inttoptr i64 %54 to i64*, !dbg !13
- store i64 0, i64* %55, !dbg !13
- br label %56, !dbg !13
-
-; <label>:56 ; preds = %53, %46
- ret i32 %add, !dbg !13
-}
-
-; Function Attrs: nounwind readnone
-declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
-
-define internal void @asan.module_ctor() {
- call void @__asan_init_v3()
- ret void
-}
-
-declare void @__asan_init_v3()
-
-declare void @__asan_report_load4(i64)
-
-declare void @__asan_report_store4(i64)
-
-declare i64 @__asan_stack_malloc_0(i64, i64)
-
-attributes #0 = { nounwind sanitize_address uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
-attributes #1 = { nounwind readnone }
-
-!llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!9, !10}
-!llvm.ident = !{!11}
-
-!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (209308)", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
-!1 = !DIFile(filename: "test.cc", directory: "/llvm_cmake_gcc")
-!2 = !{}
-!3 = !{!4}
-!4 = distinct !DISubprogram(name: "bar", linkageName: "_Z3bari", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2)
-!5 = !DIFile(filename: "test.cc", directory: "/llvm_cmake_gcc")
-!6 = !DISubroutineType(types: !7)
-!7 = !{!8, !8}
-!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
-!9 = !{i32 2, !"Dwarf Version", i32 4}
-!10 = !{i32 2, !"Debug Info Version", i32 3}
-!11 = !{!"clang version 3.5.0 (209308)"}
-!12 = !DILocalVariable(name: "y", line: 1, arg: 1, scope: !4, file: !5, type: !8)
-!13 = !DILocation(line: 2, scope: !4)
-!14 = !DIExpression(DW_OP_deref)
Index: test/DebugInfo/X86/op_deref.ll
===================================================================
--- test/DebugInfo/X86/op_deref.ll
+++ test/DebugInfo/X86/op_deref.ll
@@ -20,11 +20,11 @@
; right now, so we check the asm output:
; RUN: llc -O0 -mtriple=x86_64-apple-darwin %s -o - -filetype=asm | FileCheck %s -check-prefix=ASM-CHECK
; vla should have a register-indirect address at one point.
-; ASM-CHECK: DEBUG_VALUE: vla <- %RCX
+; ASM-CHECK: DEBUG_VALUE: vla <- [%RCX+0]
; ASM-CHECK: DW_OP_breg2
; RUN: llvm-as %s -o - | llvm-dis - | FileCheck %s --check-prefix=PRETTY-PRINT
-; PRETTY-PRINT: DIExpression(DW_OP_deref, DW_OP_deref)
+; PRETTY-PRINT: DIExpression(DW_OP_deref)
define void @testVLAwithSize(i32 %s) nounwind uwtable ssp !dbg !5 {
entry:
@@ -108,4 +108,4 @@
!27 = !DILocation(line: 8, column: 1, scope: !13)
!28 = !DIFile(filename: "bar.c", directory: "/Users/echristo/tmp")
!29 = !{i32 1, !"Debug Info Version", i32 3}
-!30 = !DIExpression(DW_OP_deref, DW_OP_deref)
+!30 = !DIExpression(DW_OP_deref)
Index: test/DebugInfo/X86/reference-argument.ll
===================================================================
--- test/DebugInfo/X86/reference-argument.ll
+++ test/DebugInfo/X86/reference-argument.ll
@@ -3,7 +3,7 @@
; extracted from debuginfo-tests/aggregate-indirect-arg.cpp
; v should not be a pointer.
-; CHECK: ##DEBUG_VALUE: foo:v <- %RSI
+; CHECK: ##DEBUG_VALUE: foo:v <- [%RSI+0]
; rdar://problem/13658587
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
Index: test/DebugInfo/X86/vla.ll
===================================================================
--- test/DebugInfo/X86/vla.ll
+++ test/DebugInfo/X86/vla.ll
@@ -1,7 +1,6 @@
; RUN: llc -O0 -mtriple=x86_64-apple-darwin -filetype=asm %s -o - | FileCheck %s
; Ensure that we generate an indirect location for the variable length array a.
-; CHECK: ##DEBUG_VALUE: vla:a <- %RDX
-; CHECK: DW_OP_breg1
+; CHECK: ##DEBUG_VALUE: vla:a <- [%RDX+0]
; rdar://problem/13658587
;
; generated from:
Index: test/Transforms/Util/simplify-dbg-declare-load.ll
===================================================================
--- /dev/null
+++ test/Transforms/Util/simplify-dbg-declare-load.ll
@@ -0,0 +1,52 @@
+; RUN: opt -instcombine -S < %s | FileCheck %s
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-pc-linux-gnu"
+
+%foo = type { i64, i32, i32 }
+
+; Function Attrs: nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
+declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #0
+
+; Function Attrs: sspreq
+define void @julia_fastshortest_6256() #1 {
+top:
+ %cp = alloca %foo, align 8
+ call void @llvm.dbg.declare(metadata %foo* %cp, metadata !1, metadata !16), !dbg !17
+ br i1 undef, label %idxend, label %fail
+
+fail: ; preds = %top
+ unreachable
+
+idxend: ; preds = %top
+; CHECK-NOT call void @llvm.dbg.value(metadata %foo* %cp, i64 0, metadata !1, metadata !16), !dbg !17
+ %0 = load %foo, %foo* %cp, align 8
+; CHECK: call void @llvm.dbg.value(metadata %foo %0, i64 0, metadata !1, metadata !16), !dbg !17
+ store %foo %0, %foo* undef, align 8
+ ret void
+}
+
+attributes #0 = { nounwind readnone }
+attributes #1 = { sspreq }
+
+!llvm.module.flags = !{!0}
+!llvm.dbg.cu = !{}
+
+!0 = !{i32 1, !"Debug Info Version", i32 3}
+!1 = !DILocalVariable(name: "cp", scope: !2, file: !3, line: 106, type: !12)
+!2 = distinct !DISubprogram(name: "fastshortest", linkageName: "julia_fastshortest_6256", scope: null, file: !3, type: !4, isLocal: false, isDefinition: true, isOptimized: true, variables: !11)
+!3 = !DIFile(filename: "grisu/fastshortest.jl", directory: ".")
+!4 = !DISubroutineType(types: !5)
+!5 = !{!6, !7}
+!6 = !DIBasicType(name: "Float64", size: 64, align: 64, encoding: DW_ATE_unsigned)
+!7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64, align: 64)
+!8 = !DICompositeType(tag: DW_TAG_structure_type, name: "jl_value_t", file: !9, line: 71, align: 64, elements: !10)
+!9 = !DIFile(filename: "julia.h", directory: "")
+!10 = !{!7}
+!11 = !{}
+!12 = !DICompositeType(tag: DW_TAG_structure_type, name: "Float", size: 128, align: 64, elements: !13, runtimeLang: DW_LANG_Julia)
+!13 = !{!14, !15, !15}
+!14 = !DIBasicType(name: "UInt64", size: 64, align: 64, encoding: DW_ATE_unsigned)
+!15 = !DIBasicType(name: "Int32", size: 32, align: 32, encoding: DW_ATE_unsigned)
+!16 = !DIExpression()
+!17 = !DILocation(line: 106, scope: !2)