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> LLVM_SYMBOLIZER_PATH=llvm-symbolizer-11 ~/git/llvm-project/build_x64_optdebug/bin/lldb a.out
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(lldb) target create "a.out"
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Current executable set to '/home/werat/src/cpp/a.out' (x86_64).
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(lldb) b main
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Breakpoint 1: where = a.out`main + 20 at main.cc:10:3, address = 0x0000000000401124
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(lldb) r
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Process 514701 launched: '/home/werat/src/cpp/a.out' (x86_64)
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Process 514701 stopped
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* thread #1, name = 'a.out', stop reason = breakpoint 1.1
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    frame #0: 0x0000000000401124 a.out`main(argc=1, argv=0x00007fffffffe0d8) at main.cc:10:3
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   7    int main(int argc, char* argv[]) {
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   8      (void)Foo::Bar;
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   9
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-> 10     return 0;
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   11   }
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(lldb) log enable lldb expr -v
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(lldb) p (int*)100 + (long long)(&Foo::Bar)
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== [UserExpression::Evaluate] Parsing expression (int*)100 + (long long)(&Foo::Bar) ==
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ClangUserExpression::ScanContext()
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Parsing the following code:
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#line 1 "<lldb wrapper prefix>"
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#ifndef offsetof
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#define offsetof(t, d) __builtin_offsetof(t, d)
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#endif
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#ifndef NULL
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#define NULL (__null)
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#endif
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#ifndef Nil
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#define Nil (__null)
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#endif
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#ifndef nil
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#define nil (__null)
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#endif
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#ifndef YES
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#define YES ((BOOL)1)
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#endif
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#ifndef NO
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#define NO ((BOOL)0)
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#endif
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typedef __INT8_TYPE__ int8_t;
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typedef __UINT8_TYPE__ uint8_t;
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typedef __INT16_TYPE__ int16_t;
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typedef __UINT16_TYPE__ uint16_t;
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typedef __INT32_TYPE__ int32_t;
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typedef __UINT32_TYPE__ uint32_t;
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typedef __INT64_TYPE__ int64_t;
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typedef __UINT64_TYPE__ uint64_t;
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typedef __INTPTR_TYPE__ intptr_t;
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typedef __UINTPTR_TYPE__ uintptr_t;
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typedef __SIZE_TYPE__ size_t;
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typedef __PTRDIFF_TYPE__ ptrdiff_t;
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typedef unsigned short unichar;
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extern "C"
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{
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    int printf(const char * __restrict, ...);
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}
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typedef signed char BOOL;

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void                           

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$__lldb_expr(void *$__lldb_arg)          

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{                              

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    ;                        

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#line 1 "<user expression 0>"

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(int*)100 + (long long)(&Foo::Bar)

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;

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#line 1 "<lldb wrapper suffix>"

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}                              

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Frame has language of type c++14

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Using x86_64-unknown-linux-gnu as the target triple

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Using SIMD alignment: 128

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Target datalayout string: 'e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128'

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Target ABI: ''

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Target vector alignment: 0

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TransformTopLevelDecl(int8_t)

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TransformTopLevelDecl(uint8_t)

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TransformTopLevelDecl(int16_t)

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TransformTopLevelDecl(uint16_t)

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TransformTopLevelDecl(int32_t)

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TransformTopLevelDecl(uint32_t)

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TransformTopLevelDecl(int64_t)

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TransformTopLevelDecl(uint64_t)

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TransformTopLevelDecl(intptr_t)

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TransformTopLevelDecl(uintptr_t)

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TransformTopLevelDecl(size_t)

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TransformTopLevelDecl(ptrdiff_t)

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TransformTopLevelDecl(unichar)

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TransformTopLevelDecl(printf)

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TransformTopLevelDecl(BOOL)

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ClangExpressionDeclMap::FindExternalVisibleDecls for '$__lldb_arg' in a 'TranslationUnit'

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  CEDM::FEVD Searching the root namespace

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ClangASTSource::FindExternalVisibleDecls on (ASTContext*)0x0000555FC5FD3F20 'Expression ASTContext for '<user expression 0>'' for '$__lldb_arg' in a 'TranslationUnit'

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  CAS::FEVD Searching the root namespace

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ClangExpressionDeclMap::FindExternalVisibleDecls for '$__lldb_expr' in a 'TranslationUnit'

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  CEDM::FEVD Searching the root namespace

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ClangASTSource::FindExternalVisibleDecls on (ASTContext*)0x0000555FC5FD3F20 'Expression ASTContext for '<user expression 0>'' for '$__lldb_expr' in a 'TranslationUnit'

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  CAS::FEVD Searching the root namespace

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ClangExpressionDeclMap::FindExternalVisibleDecls for 'Foo' in a 'TranslationUnit'

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  CEDM::FEVD Searching the root namespace

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ClangASTSource::FindExternalVisibleDecls on (ASTContext*)0x0000555FC5FD3F20 'Expression ASTContext for '<user expression 0>'' for 'Foo' in a 'TranslationUnit'

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  CAS::FEVD Searching the root namespace

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  CAS::FEVD Matching type found for "Foo": Foo

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    [ClangASTImporter] Imported (CXXRecordDecl*)0x0000555FC5FF55D8, named Foo (from (Decl*)0x0000555FC5DE1268), metadata 61

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    [ClangASTImporter] Decl has no origin information in (ASTContext*)0x0000555FC5DD45E0

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    [ClangASTImporter] To is a TagDecl - attributes  Lexical [complete->complete]

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FindExternalLexicalDecls on (ASTContext*)0x0000555FC5FD3F20 'Expression ASTContext for '<user expression 0>'' in 'Foo' (%sDecl*)CXXRecord

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  FELD Original decl 0x0000555FC5DD45E0 (Decl*)0x0000555fc5de1268:

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CXXRecordDecl 0x555fc5de1268 <<invalid sloc>> <invalid sloc> struct Foo definition

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|-DefinitionData pass_in_registers empty aggregate standard_layout trivially_copyable pod trivial literal has_constexpr_non_copy_move_ctor can_const_default_init

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| |-DefaultConstructor exists trivial constexpr needs_implicit defaulted_is_constexpr

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| |-CopyConstructor simple trivial has_const_param needs_implicit implicit_has_const_param

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| |-MoveConstructor exists simple trivial needs_implicit

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| |-CopyAssignment simple trivial has_const_param needs_implicit implicit_has_const_param

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| |-MoveAssignment exists simple trivial needs_implicit

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| `-Destructor simple irrelevant trivial needs_implicit

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`-VarDecl 0x555fc5de13a0 <<invalid sloc>> <invalid sloc> Bar 'int' static

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  FELD Adding [to CXXRecordDecl Foo] lexical VarDecl VarDecl 0x555fc5de13a0 <<invalid sloc>> <invalid sloc> Bar 'int' static

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    [ClangASTImporter] Imported (VarDecl*)0x0000555FC5FF5728, named Bar (from (Decl*)0x0000555FC5DE13A0), metadata 18446744073709551615

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    [ClangASTImporter] Decl has no origin information in (ASTContext*)0x0000555FC5DD45E0

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TransformTopLevelDecl($__lldb_expr)

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Untransformed function AST:

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void $__lldb_expr(void *$__lldb_arg) {

129
    ;

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    (int *)100 + (long long)(&Foo::Bar);

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}

132
133
Last statement is an rvalue with type: int *

134
Transformed function AST:

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void $__lldb_expr(void *$__lldb_arg) {

136
    ;

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    static int *$__lldb_expr_result(int *)100 + (long long)(&Foo::Bar);

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}

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Found function _Z12$__lldb_exprPv for $__lldb_expr

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PrepareForExecution - Current expression language is c++14

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Module as passed in to IRForTarget: 

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"; ModuleID = '$__lldb_module'

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source_filename = "$__lldb_module"

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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

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target triple = "x86_64-unknown-linux-gnu"

148
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@"_ZZ12$__lldb_exprPvE19$__lldb_expr_result" = internal global i32* null, align 8

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@"_ZGVZ12$__lldb_exprPvE19$__lldb_expr_result" = internal global i8 0, align 1

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@_ZN3Foo3BarE = external global i32, align 4

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153
; Function Attrs: convergent mustprogress noinline nounwind optnone

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define dso_local void @"_Z12$__lldb_exprPv"(i8* noundef %"$__lldb_arg") #0 {

155
entry:

156
  %"$__lldb_arg.addr" = alloca i8*, align 8, !clang.decl.ptr !6

157
  store i8* %"$__lldb_arg", i8** %"$__lldb_arg.addr", align 8

158
  %0 = load i8, i8* @"_ZGVZ12$__lldb_exprPvE19$__lldb_expr_result", align 1

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  %guard.uninitialized = icmp eq i8 %0, 0

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  br i1 %guard.uninitialized, label %init.check, label %init.end, !prof !7

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init.check:                                       ; preds = %entry

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  store i32* getelementptr inbounds (i32, i32* inttoptr (i64 100 to i32*), i64 ptrtoint (i32* @_ZN3Foo3BarE to i64)), i32** @"_ZZ12$__lldb_exprPvE19$__lldb_expr_result", align 8

164
  store i8 1, i8* @"_ZGVZ12$__lldb_exprPvE19$__lldb_expr_result", align 1

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  br label %init.end

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init.end:                                         ; preds = %init.check, %entry

168
  ret void

169
}

170
171
attributes #0 = { convergent mustprogress noinline nounwind optnone "frame-pointer"="all" "min-legal-vector-width"="0" "no-builtins" "no-trapping-math"="true" "stack-protector-buffer-size"="0" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }

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!clang.global.decl.ptrs = !{!0, !1, !0, !2}

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!llvm.module.flags = !{!3, !4}

175
!llvm.ident = !{!5}

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!0 = !{i32** @"_ZZ12$__lldb_exprPvE19$__lldb_expr_result", i64 93869832559168}

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!1 = !{void (i8*)* @"_Z12$__lldb_exprPv", i64 93869832098952}

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!2 = !{i32* @_ZN3Foo3BarE, i64 93869832099624}

180
!3 = !{i32 1, !"wchar_size", i32 4}

181
!4 = !{i32 7, !"frame-pointer", i32 2}

182
!5 = !{!"clang version 14.0.0 (https://github.com/llvm/llvm-project.git d89490db70ebc6438db507a20ac9558e822f1453)"}

183
!6 = !{i64 93869832098728}

184
!7 = !{!"branch_weights", i32 1, i32 1048575}

185
"

186
Result name: "_ZZ12$__lldb_exprPvE19$__lldb_expr_result"

187
Found result in the IR: "@"_ZZ12$__lldb_exprPvE19$__lldb_expr_result" = internal global i32* null, align 8"

188
Found result decl: "static int *$__lldb_expr_result(int *)100 + (long long)(&Foo::Bar)"

189
Result decl type: "int *"

190
Creating a new result global: "$RESULT_NAME" with size 8

191
Replacing "@"_ZZ12$__lldb_exprPvE19$__lldb_expr_result" = internal global i32* null, align 8" with "@"$RESULT_NAME" = external global i32*"

192
    [ClangASTImporter] DeportType called on (int *Type*)0x0000555FC5FF5570 from (ASTContext*)0x0000555FC5FD3F20 to (ASTContext*)0x0000555FC5F58FA0

193
Module after creating the result variable: 

194
"; ModuleID = '$__lldb_module'

195
source_filename = "$__lldb_module"

196
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

197
target triple = "x86_64-unknown-linux-gnu"

198
199
@"_ZGVZ12$__lldb_exprPvE19$__lldb_expr_result" = internal global i8 0, align 1

200
@_ZN3Foo3BarE = external global i32, align 4

201
@reloc_placeholder = internal global i8 0

202
@"$RESULT_NAME" = external global i32*

203
204
; Function Attrs: convergent mustprogress noinline nounwind optnone

205
define dso_local void @"_Z12$__lldb_exprPv"(i8* noundef %"$__lldb_arg") #0 {

206
entry:

207
  %"$__lldb_arg.addr" = alloca i8*, align 8, !clang.decl.ptr !7

208
  store i8* %"$__lldb_arg", i8** %"$__lldb_arg.addr", align 8

209
  %0 = load i8, i8* @"_ZGVZ12$__lldb_exprPvE19$__lldb_expr_result", align 1

210
  %guard.uninitialized = icmp eq i8 %0, 0

211
  br i1 %guard.uninitialized, label %init.check, label %init.end, !prof !8

212
213
init.check:                                       ; preds = %entry

214
  store i32* getelementptr inbounds (i32, i32* inttoptr (i64 100 to i32*), i64 ptrtoint (i32* @_ZN3Foo3BarE to i64)), i32** @"$RESULT_NAME", align 8

215
  store i8 1, i8* @"_ZGVZ12$__lldb_exprPvE19$__lldb_expr_result", align 1

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  br label %init.end

217
218
init.end:                                         ; preds = %init.check, %entry

219
  ret void

220
}

221
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attributes #0 = { convergent mustprogress noinline nounwind optnone "frame-pointer"="all" "min-legal-vector-width"="0" "no-builtins" "no-trapping-math"="true" "stack-protector-buffer-size"="0" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }

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!clang.global.decl.ptrs = !{!0, !1, !0, !2, !3}

225
!llvm.module.flags = !{!4, !5}

226
!llvm.ident = !{!6}

227
228
!0 = distinct !{i32** @"$RESULT_NAME", i64 93869832559168}

229
!1 = !{void (i8*)* @"_Z12$__lldb_exprPv", i64 93869832098952}

230
!2 = !{i32* @_ZN3Foo3BarE, i64 93869832099624}

231
!3 = !{i32** @"$RESULT_NAME", i64 93869832559168}

232
!4 = !{i32 1, !"wchar_size", i32 4}

233
!5 = !{i32 7, !"frame-pointer", i32 2}

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!6 = !{!"clang version 14.0.0 (https://github.com/llvm/llvm-project.git d89490db70ebc6438db507a20ac9558e822f1453)"}

235
!7 = !{i64 93869832098728}

236
!8 = !{!"branch_weights", i32 1, i32 1048575}

237
"

238
Examining _ZGVZ12$__lldb_exprPvE19$__lldb_expr_result, DeclForGlobalValue returns 0x0000000000000000

239
Examining _ZN3Foo3BarE, DeclForGlobalValue returns 0x0000555FC5FF5728

240
MaybeHandleVariable (@_ZN3Foo3BarE = external global i32, align 4)

241
Type of "Bar" is [clang "int", llvm "i32*"] [size 4, align 4]

242
Examining reloc_placeholder, DeclForGlobalValue returns 0x0000000000000000

243
Examining $RESULT_NAME, DeclForGlobalValue returns 0x0000555FC6065A40

244
MaybeHandleVariable (@"$RESULT_NAME" = external global i32*)

245
Type of "$__lldb_expr_result" is [clang "int **", llvm "i32***"] [size 8, align 8]

246
Adding value for (NamedDecl*)0x0000555FC6065A40 [$__lldb_expr_result - $RESULT_NAME] to the structure

247
Already placed at 0x0

248
Placed at 0x0

249
Element arrangement:

250
Arg: "i8* %"$__lldb_arg""

251
  "$RESULT_NAME" ("$__lldb_expr_result") placed at 0

252
    Replacing [@"$RESULT_NAME" = external global i32*]

253
Total structure [align 8, size 8]

254
Module after preparing for execution: 

255
"; ModuleID = '$__lldb_module'

256
source_filename = "$__lldb_module"

257
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

258
target triple = "x86_64-unknown-linux-gnu"

259
260
@"_ZGVZ12$__lldb_exprPvE19$__lldb_expr_result" = internal global i8 0, align 1

261
@_ZN3Foo3BarE = external global i32, align 4

262
@reloc_placeholder = internal global i8 0

263
264
; Function Attrs: convergent mustprogress noinline nounwind optnone

265
define dso_local void @"_Z12$__lldb_exprPv"(i8* noundef %"$__lldb_arg") #0 {

266
entry:

267
  %0 = getelementptr i8, i8* %"$__lldb_arg", i32 0

268
  %1 = bitcast i8* %0 to i32***

269
  %2 = load i32**, i32*** %1, align 8

270
  %"$__lldb_arg.addr" = alloca i8*, align 8, !clang.decl.ptr !7

271
  store i8* %"$__lldb_arg", i8** %"$__lldb_arg.addr", align 8

272
  %guard.uninitialized = icmp eq i8 0, 0

273
  br i1 %guard.uninitialized, label %init.check, label %init.end, !prof !8

274
275
init.check:                                       ; preds = %entry

276
  store i32* getelementptr inbounds (i32, i32* inttoptr (i64 100 to i32*), i64 ptrtoint (i32* @_ZN3Foo3BarE to i64)), i32** %2, align 8

277
  br label %init.end

278
279
init.end:                                         ; preds = %init.check, %entry

280
  ret void

281
}

282
283
attributes #0 = { convergent mustprogress noinline nounwind optnone "frame-pointer"="all" "min-legal-vector-width"="0" "no-builtins" "no-trapping-math"="true" "stack-protector-buffer-size"="0" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }

284
285
!clang.global.decl.ptrs = !{!0, !1, !0, !2, !3}

286
!llvm.module.flags = !{!4, !5}

287
!llvm.ident = !{!6}

288
289
!0 = distinct !{null, i64 93869832559168}

290
!1 = !{void (i8*)* @"_Z12$__lldb_exprPv", i64 93869832098952}

291
!2 = !{i32* @_ZN3Foo3BarE, i64 93869832099624}

292
!3 = distinct !{null, i64 93869832559168}

293
!4 = !{i32 1, !"wchar_size", i32 4}

294
!5 = !{i32 7, !"frame-pointer", i32 2}

295
!6 = !{!"clang version 14.0.0 (https://github.com/llvm/llvm-project.git d89490db70ebc6438db507a20ac9558e822f1453)"}

296
!7 = !{i64 93869832098728}

297
!8 = !{!"branch_weights", i32 1, i32 1048575}

298
"

299
    [ClangASTImporter] Forgetting destination (ASTContext*)0x0000555FC5FD3F20

300
    [ClangASTImporter] Forgetting source->dest (ASTContext*)0x0000555FC5FD3F20->(ASTContext*)0x0000555FC5F58FA0

301
== [UserExpression::Evaluate] Executing expression ==

302
IRMemoryMap::Malloc (15, 0x8, 0x3, eAllocationPolicyHostOnly) -> 0x7ffff7fca000

303
IRMemoryMap::Malloc (524295, 0x8, 0x3, eAllocationPolicyHostOnly) -> 0x7ffff79f6000

304
IRMemoryMap::Malloc process_sp=0x555fc5de9ed0, process_sp->CanJIT()=true, process_sp->IsAlive()=true

305
IRMemoryMap::WriteMemory (0x7ffff7fca010, 0x555fc5d345e0, 0x8) went to [0x7ffff7fca010..0x7ffff7fca01f)

306
IRMemoryMap::Malloc (15, 0x8, 0x3, eAllocationPolicyMirror) -> 0x7ffff7fca010

307
IRMemoryMap::WriteMemory (0x7ffff7fca000, 0x7ffd03bc9ef0, 0x8) went to [0x7ffff7fca000..0x7ffff7fca00f)

308
Materializer::Materialize (frame_sp = 0x7f718c380640, process_address = 0x7ffff7fca000) materialized:

309
IRMemoryMap::ReadMemory (0x7ffff7fca000, 0x555fc5cdca40, 0x8) came from [0x7ffff7fca000..0x7ffff7fca00f)

310
IRMemoryMap::ReadMemory (0x7ffff7fca010, 0x555fc5cdca40, 0x8) came from [0x7ffff7fca010..0x7ffff7fca01f)

311
0x7ffff7fca000: EntityResultVariable

312
Pointer:

313
0x7ffff7fca000: 10 a0 fc f7 ff 7f 00 00

314
Temporary allocation:

315
0x7ffff7fca000: 00 00 00 00 00 00 00 00

316
317
Module as passed in to IRInterpreter::Interpret: 

318
"; ModuleID = '$__lldb_module'

319
source_filename = "$__lldb_module"

320
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

321
target triple = "x86_64-unknown-linux-gnu"

322
323
@"_ZGVZ12$__lldb_exprPvE19$__lldb_expr_result" = internal global i8 0, align 1

324
@_ZN3Foo3BarE = external global i32, align 4

325
@reloc_placeholder = internal global i8 0

326
327
; Function Attrs: convergent mustprogress noinline nounwind optnone

328
define dso_local void @"_Z12$__lldb_exprPv"(i8* noundef %"$__lldb_arg") #0 {

329
entry:

330
  %0 = getelementptr i8, i8* %"$__lldb_arg", i32 0

331
  %1 = bitcast i8* %0 to i32***

332
  %2 = load i32**, i32*** %1, align 8

333
  %"$__lldb_arg.addr" = alloca i8*, align 8, !clang.decl.ptr !7

334
  store i8* %"$__lldb_arg", i8** %"$__lldb_arg.addr", align 8

335
  %guard.uninitialized = icmp eq i8 0, 0

336
  br i1 %guard.uninitialized, label %init.check, label %init.end, !prof !8

337
338
init.check:                                       ; preds = %entry

339
  store i32* getelementptr inbounds (i32, i32* inttoptr (i64 100 to i32*), i64 ptrtoint (i32* @_ZN3Foo3BarE to i64)), i32** %2, align 8

340
  br label %init.end

341
342
init.end:                                         ; preds = %init.check, %entry

343
  ret void

344
}

345
346
attributes #0 = { convergent mustprogress noinline nounwind optnone "frame-pointer"="all" "min-legal-vector-width"="0" "no-builtins" "no-trapping-math"="true" "stack-protector-buffer-size"="0" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }

347
348
!clang.global.decl.ptrs = !{!0, !1, !0, !2, !3}

349
!llvm.module.flags = !{!4, !5}

350
!llvm.ident = !{!6}

351
352
!0 = distinct !{null, i64 93869832559168}

353
!1 = !{void (i8*)* @"_Z12$__lldb_exprPv", i64 93869832098952}

354
!2 = !{i32* @_ZN3Foo3BarE, i64 93869832099624}

355
!3 = distinct !{null, i64 93869832559168}

356
!4 = !{i32 1, !"wchar_size", i32 4}

357
!5 = !{i32 7, !"frame-pointer", i32 2}

358
!6 = !{!"clang version 14.0.0 (https://github.com/llvm/llvm-project.git d89490db70ebc6438db507a20ac9558e822f1453)"}

359
!7 = !{i64 93869832098728}

360
!8 = !{!"branch_weights", i32 1, i32 1048575}

361
"

362
IRMemoryMap::WriteMemory (0x7ffff7a75ff8, 0x7ffd03bc9ae0, 0x8) went to [0x7ffff79f6000..0x7ffff7a76007)

363
Made an allocation for argument i8* %"$__lldb_arg"

364
  Data region    : 7ffff7fca000

365
  Ref region     : 7ffff7a75ff8

366
Interpreting %0 = getelementptr i8, i8* %"$__lldb_arg", i32 0

367
IRMemoryMap::WriteMemory (0x7ffff7a75ff0, 0x555fc5de8830, 0x8) went to [0x7ffff79f6000..0x7ffff7a76007)

368
Interpreted a GetElementPtrInst

369
  P       : i8* %"$__lldb_arg" 0x7ffff7a75ff8

370
  Poffset : %0 = getelementptr i8, i8* %"$__lldb_arg", i32 0 0x7ffff7a75ff0

371
Interpreting %1 = bitcast i8* %0 to i32***

372
IRMemoryMap::WriteMemory (0x7ffff7a75fe8, 0x555fc5de8830, 0x8) went to [0x7ffff79f6000..0x7ffff7a76007)

373
Interpreting %2 = load i32**, i32*** %1, align 8

374
IRMemoryMap::ReadMemory (0x7ffff7a75fe8, 0x555fc5de8830, 0x8) came from [0x7ffff79f6000..0x7ffff7a76007)

375
IRMemoryMap::ReadMemory (0x7ffff7fca000, 0x555fc5de8830, 0x8) came from [0x7ffff7fca000..0x7ffff7fca00f)

376
IRMemoryMap::WriteMemory (0x7ffff7a75fe0, 0x555fc5de8830, 0x8) went to [0x7ffff79f6000..0x7ffff7a76007)

377
Interpreted a LoadInst

378
  P : 0x7ffff7a75fe8

379
  R : 0x7ffff7fca000

380
  D : 0x7ffff7a75fe0

381
Interpreting %"$__lldb_arg.addr" = alloca i8*, align 8, !clang.decl.ptr !7

382
IRMemoryMap::WriteMemory (0x7ffff7a75fd0, 0x7ffd03bc9ae0, 0x8) went to [0x7ffff79f6000..0x7ffff7a76007)

383
Interpreted an AllocaInst

384
  R : 0x7ffff7a75fd8

385
  P : 0x7ffff7a75fd0

386
Interpreting store i8* %"$__lldb_arg", i8** %"$__lldb_arg.addr", align 8

387
IRMemoryMap::ReadMemory (0x7ffff7a75fd0, 0x555fc5c41d00, 0x8) came from [0x7ffff79f6000..0x7ffff7a76007)

388
IRMemoryMap::ReadMemory (0x7ffff7a75ff8, 0x555fc5c41d00, 0x8) came from [0x7ffff79f6000..0x7ffff7a76007)

389
IRMemoryMap::WriteMemory (0x7ffff7a75fd8, 0x555fc5c41d00, 0x8) went to [0x7ffff79f6000..0x7ffff7a76007)

390
Interpreted a StoreInst

391
  D : 0x7ffff7a75ff8

392
  P : 0x7ffff7a75fd0

393
  R : 0x7ffff7a75fd8

394
Interpreting %guard.uninitialized = icmp eq i8 0, 0

395
IRMemoryMap::WriteMemory (0x7ffff7a75fcf, 0x555fc5c41d00, 0x1) went to [0x7ffff79f6000..0x7ffff7a76007)

396
Interpreted an ICmpInst

397
  L : i8 0

398
  R : i8 0

399
  = : %guard.uninitialized = icmp eq i8 0, 0 0x7ffff7a75fcf

400
Interpreting br i1 %guard.uninitialized, label %init.check, label %init.end, !prof !8

401
Interpreted a BrInst with a condition

402
  cond : %guard.uninitialized = icmp eq i8 0, 0 0x7ffff7a75fcf

403
Interpreting store i32* getelementptr inbounds (i32, i32* inttoptr (i64 100 to i32*), i64 ptrtoint (i32* @_ZN3Foo3BarE to i64)), i32** %2, align 8

404
IRMemoryMap::WriteMemory (0x7ffff7a75fc0, 0x555fc5c41d00, 0x8) went to [0x7ffff79f6000..0x7ffff7a76007)

405
IRMemoryMap::ReadMemory (0x7ffff7a75fe0, 0x555fc5c41d00, 0x8) came from [0x7ffff79f6000..0x7ffff7a76007)

406
IRMemoryMap::ReadMemory (0x7ffff7a75fc0, 0x555fc5c41d00, 0x8) came from [0x7ffff79f6000..0x7ffff7a76007)

407
IRMemoryMap::WriteMemory (0x7ffff7fca010, 0x555fc5c41d00, 0x8) went to [0x7ffff7fca010..0x7ffff7fca01f)

408
Interpreted a StoreInst

409
  D : 0x7ffff7a75fc0

410
  P : 0x7ffff7a75fe0

411
  R : 0x7ffff7fca010

412
Interpreting br label %init.end

413
Interpreted a BrInst with no condition

414
Interpreting ret void

415
-- [UserExpression::FinalizeJITExecution] Dematerializing after execution --

416
Materializer::Dematerialize (frame_sp = 0x7f718c380640, process_address = 0x7ffff7fca000) about to dematerialize:

417
IRMemoryMap::ReadMemory (0x7ffff7fca000, 0x555fc5cdca40, 0x8) came from [0x7ffff7fca000..0x7ffff7fca00f)

418
IRMemoryMap::ReadMemory (0x7ffff7fca010, 0x555fc5cdca40, 0x8) came from [0x7ffff7fca010..0x7ffff7fca01f)

419
0x7ffff7fca000: EntityResultVariable

420
Pointer:

421
0x7ffff7fca000: 10 a0 fc f7 ff 7f 00 00

422
Temporary allocation:

423
0x7ffff7fca000: a8 40 00 00 00 00 00 00

424
425
IRMemoryMap::ReadMemory (0x7ffff7fca000, 0x555fc5cdca40, 0x8) came from [0x7ffff7fca000..0x7ffff7fca00f)

426
IRMemoryMap::ReadMemory (0x7ffff7fca010, 0x7f71c8052ad0, 0x8) came from [0x7ffff7fca010..0x7ffff7fca01f)

427
IRMemoryMap::Free (0x7ffff7fca010) freed [0x7ffff7fca010..0x7ffff7fca01f)

428
== [UserExpression::Evaluate] Execution completed normally with result 0x00000000000040a8 ==

429
IRMemoryMap::Free (0x7ffff79f6000) freed [0x7ffff79f6000..0x7ffff7a76007)

430
IRMemoryMap::Free (0x7ffff7fca000) freed [0x7ffff7fca000..0x7ffff7fca00f)

431
(int *) $0 = 0x00000000000040a8

432
(lldb) p (int*)100 + (long long)(&Foo::Bar)

433
== [UserExpression::Evaluate] Parsing expression (int*)100 + (long long)(&Foo::Bar) ==

434
ClangUserExpression::ScanContext()

435
Parsing the following code:

436
#line 1 "<lldb wrapper prefix>"

437
#ifndef offsetof

438
#define offsetof(t, d) __builtin_offsetof(t, d)

439
#endif

440
#ifndef NULL

441
#define NULL (__null)

442
#endif

443
#ifndef Nil

444
#define Nil (__null)

445
#endif

446
#ifndef nil

447
#define nil (__null)

448
#endif

449
#ifndef YES

450
#define YES ((BOOL)1)

451
#endif

452
#ifndef NO

453
#define NO ((BOOL)0)

454
#endif

455
typedef __INT8_TYPE__ int8_t;

456
typedef __UINT8_TYPE__ uint8_t;

457
typedef __INT16_TYPE__ int16_t;

458
typedef __UINT16_TYPE__ uint16_t;

459
typedef __INT32_TYPE__ int32_t;

460
typedef __UINT32_TYPE__ uint32_t;

461
typedef __INT64_TYPE__ int64_t;

462
typedef __UINT64_TYPE__ uint64_t;

463
typedef __INTPTR_TYPE__ intptr_t;

464
typedef __UINTPTR_TYPE__ uintptr_t;

465
typedef __SIZE_TYPE__ size_t;

466
typedef __PTRDIFF_TYPE__ ptrdiff_t;

467
typedef unsigned short unichar;

468
extern "C"

469
{

470
    int printf(const char * __restrict, ...);

471
}

472
473
474
475
typedef signed char BOOL;

476
477
478
void                           

479
$__lldb_expr(void *$__lldb_arg)          

480
{                              

481
    ;                        

482
#line 1 "<user expression 1>"

483
(int*)100 + (long long)(&Foo::Bar)

484
;

485
#line 1 "<lldb wrapper suffix>"

486
}                              

487
488
Frame has language of type c++14

489
Using x86_64-unknown-linux-gnu as the target triple

490
Using SIMD alignment: 128

491
Target datalayout string: 'e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128'

492
Target ABI: ''

493
Target vector alignment: 0

494
TransformTopLevelDecl(int8_t)

495
TransformTopLevelDecl(uint8_t)

496
TransformTopLevelDecl(int16_t)

497
TransformTopLevelDecl(uint16_t)

498
TransformTopLevelDecl(int32_t)

499
TransformTopLevelDecl(uint32_t)

500
TransformTopLevelDecl(int64_t)

501
TransformTopLevelDecl(uint64_t)

502
TransformTopLevelDecl(intptr_t)

503
TransformTopLevelDecl(uintptr_t)

504
TransformTopLevelDecl(size_t)

505
TransformTopLevelDecl(ptrdiff_t)

506
TransformTopLevelDecl(unichar)

507
TransformTopLevelDecl(printf)

508
TransformTopLevelDecl(BOOL)

509
ClangExpressionDeclMap::FindExternalVisibleDecls for '$__lldb_arg' in a 'TranslationUnit'

510
  CEDM::FEVD Searching the root namespace

511
ClangASTSource::FindExternalVisibleDecls on (ASTContext*)0x0000555FC5FD5F40 'Expression ASTContext for '<user expression 1>'' for '$__lldb_arg' in a 'TranslationUnit'

512
  CAS::FEVD Searching the root namespace

513
ClangExpressionDeclMap::FindExternalVisibleDecls for '$__lldb_expr' in a 'TranslationUnit'

514
  CEDM::FEVD Searching the root namespace

515
ClangASTSource::FindExternalVisibleDecls on (ASTContext*)0x0000555FC5FD5F40 'Expression ASTContext for '<user expression 1>'' for '$__lldb_expr' in a 'TranslationUnit'

516
  CAS::FEVD Searching the root namespace

517
ClangExpressionDeclMap::FindExternalVisibleDecls for 'Foo' in a 'TranslationUnit'

518
  CEDM::FEVD Searching the root namespace

519
ClangASTSource::FindExternalVisibleDecls on (ASTContext*)0x0000555FC5FD5F40 'Expression ASTContext for '<user expression 1>'' for 'Foo' in a 'TranslationUnit'

520
  CAS::FEVD Searching the root namespace

521
  CAS::FEVD Matching type found for "Foo": Foo

522
    [ClangASTImporter] Imported (CXXRecordDecl*)0x0000555FC600D1B8, named Foo (from (Decl*)0x0000555FC5DE1268), metadata 61

523
    [ClangASTImporter] Decl has no origin information in (ASTContext*)0x0000555FC5DD45E0

524
    [ClangASTImporter] To is a TagDecl - attributes  Lexical [complete->complete]

525
FindExternalLexicalDecls on (ASTContext*)0x0000555FC5FD5F40 'Expression ASTContext for '<user expression 1>'' in 'Foo' (%sDecl*)CXXRecord

526
  FELD Original decl 0x0000555FC5DD45E0 (Decl*)0x0000555fc5de1268:

527
CXXRecordDecl 0x555fc5de1268 <<invalid sloc>> <invalid sloc> struct Foo definition

528
|-DefinitionData pass_in_registers empty aggregate standard_layout trivially_copyable pod trivial literal has_constexpr_non_copy_move_ctor can_const_default_init

529
| |-DefaultConstructor exists trivial constexpr needs_implicit defaulted_is_constexpr

530
| |-CopyConstructor simple trivial has_const_param needs_implicit implicit_has_const_param

531
| |-MoveConstructor exists simple trivial needs_implicit

532
| |-CopyAssignment simple trivial has_const_param needs_implicit implicit_has_const_param

533
| |-MoveAssignment exists simple trivial needs_implicit

534
| `-Destructor simple irrelevant trivial needs_implicit

535
`-VarDecl 0x555fc5de13a0 <<invalid sloc>> <invalid sloc> Bar 'int' static

536
537
  FELD Adding [to CXXRecordDecl Foo] lexical VarDecl VarDecl 0x555fc5de13a0 <<invalid sloc>> <invalid sloc> Bar 'int' static

538
539
    [ClangASTImporter] Imported (VarDecl*)0x0000555FC600D308, named Bar (from (Decl*)0x0000555FC5DE13A0), metadata 18446744073709551615

540
    [ClangASTImporter] Decl has no origin information in (ASTContext*)0x0000555FC5DD45E0

541
TransformTopLevelDecl($__lldb_expr)

542
Untransformed function AST:

543
void $__lldb_expr(void *$__lldb_arg) {

544
    ;

545
    (int *)100 + (long long)(&Foo::Bar);

546
}

547
548
Last statement is an rvalue with type: int *

549
Transformed function AST:

550
void $__lldb_expr(void *$__lldb_arg) {

551
    ;

552
    static int *$__lldb_expr_result(int *)100 + (long long)(&Foo::Bar);

553
}

554
555
Found function _Z12$__lldb_exprPv for $__lldb_expr

556
PrepareForExecution - Current expression language is c++14

557
558
Module as passed in to IRForTarget: 

559
"; ModuleID = '$__lldb_module'

560
source_filename = "$__lldb_module"

561
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

562
target triple = "x86_64-unknown-linux-gnu"

563
564
@"_ZZ12$__lldb_exprPvE19$__lldb_expr_result" = internal global i32* null, align 8

565
@"_ZGVZ12$__lldb_exprPvE19$__lldb_expr_result" = internal global i8 0, align 1

566
@_ZN3Foo3BarE = external global i32, align 4

567
568
; Function Attrs: convergent mustprogress noinline nounwind optnone

569
define dso_local void @"_Z12$__lldb_exprPv"(i8* noundef %"$__lldb_arg") #0 {

570
entry:

571
  %"$__lldb_arg.addr" = alloca i8*, align 8, !clang.decl.ptr !6

572
  store i8* %"$__lldb_arg", i8** %"$__lldb_arg.addr", align 8

573
  %0 = load i8, i8* @"_ZGVZ12$__lldb_exprPvE19$__lldb_expr_result", align 1

574
  %guard.uninitialized = icmp eq i8 %0, 0

575
  br i1 %guard.uninitialized, label %init.check, label %init.end, !prof !7

576
577
init.check:                                       ; preds = %entry

578
  store i32* getelementptr inbounds (i32, i32* inttoptr (i64 100 to i32*), i64 ptrtoint (i32* @_ZN3Foo3BarE to i64)), i32** @"_ZZ12$__lldb_exprPvE19$__lldb_expr_result", align 8

579
  store i8 1, i8* @"_ZGVZ12$__lldb_exprPvE19$__lldb_expr_result", align 1

580
  br label %init.end

581
582
init.end:                                         ; preds = %init.check, %entry

583
  ret void

584
}

585
586
attributes #0 = { convergent mustprogress noinline nounwind optnone "frame-pointer"="all" "min-legal-vector-width"="0" "no-builtins" "no-trapping-math"="true" "stack-protector-buffer-size"="0" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }

587
588
!clang.global.decl.ptrs = !{!0, !1, !0, !2}

589
!llvm.module.flags = !{!3, !4}

590
!llvm.ident = !{!5}

591
592
!0 = !{i32** @"_ZZ12$__lldb_exprPvE19$__lldb_expr_result", i64 93869831910512}

593
!1 = !{void (i8*)* @"_Z12$__lldb_exprPv", i64 93869832196200}

594
!2 = !{i32* @_ZN3Foo3BarE, i64 93869832196872}

595
!3 = !{i32 1, !"wchar_size", i32 4}

596
!4 = !{i32 7, !"frame-pointer", i32 2}

597
!5 = !{!"clang version 14.0.0 (https://github.com/llvm/llvm-project.git d89490db70ebc6438db507a20ac9558e822f1453)"}

598
!6 = !{i64 93869832195976}

599
!7 = !{!"branch_weights", i32 1, i32 1048575}

600
"

601
Result name: "_ZZ12$__lldb_exprPvE19$__lldb_expr_result"

602
Found result in the IR: "@"_ZZ12$__lldb_exprPvE19$__lldb_expr_result" = internal global i32* null, align 8"

603
Found result decl: "static int *$__lldb_expr_result(int *)100 + (long long)(&Foo::Bar)"

604
Result decl type: "int *"

605
Creating a new result global: "$RESULT_NAME" with size 8

606
Replacing "@"_ZZ12$__lldb_exprPvE19$__lldb_expr_result" = internal global i32* null, align 8" with "@"$RESULT_NAME" = external global i32*"

607
    [ClangASTImporter] DeportType called on (int *Type*)0x0000555FC600D150 from (ASTContext*)0x0000555FC5FD5F40 to (ASTContext*)0x0000555FC5F58FA0

608
Module after creating the result variable: 

609
"; ModuleID = '$__lldb_module'

610
source_filename = "$__lldb_module"

611
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

612
target triple = "x86_64-unknown-linux-gnu"

613
614
@"_ZGVZ12$__lldb_exprPvE19$__lldb_expr_result" = internal global i8 0, align 1

615
@_ZN3Foo3BarE = external global i32, align 4

616
@reloc_placeholder = internal global i8 0

617
@"$RESULT_NAME" = external global i32*

618
619
; Function Attrs: convergent mustprogress noinline nounwind optnone

620
define dso_local void @"_Z12$__lldb_exprPv"(i8* noundef %"$__lldb_arg") #0 {

621
entry:

622
  %"$__lldb_arg.addr" = alloca i8*, align 8, !clang.decl.ptr !7

623
  store i8* %"$__lldb_arg", i8** %"$__lldb_arg.addr", align 8

624
  %0 = load i8, i8* @"_ZGVZ12$__lldb_exprPvE19$__lldb_expr_result", align 1

625
  %guard.uninitialized = icmp eq i8 %0, 0

626
  br i1 %guard.uninitialized, label %init.check, label %init.end, !prof !8

627
628
init.check:                                       ; preds = %entry

629
  store i32* getelementptr inbounds (i32, i32* inttoptr (i64 100 to i32*), i64 ptrtoint (i32* @_ZN3Foo3BarE to i64)), i32** @"$RESULT_NAME", align 8

630
  store i8 1, i8* @"_ZGVZ12$__lldb_exprPvE19$__lldb_expr_result", align 1

631
  br label %init.end

632
633
init.end:                                         ; preds = %init.check, %entry

634
  ret void

635
}

636
637
attributes #0 = { convergent mustprogress noinline nounwind optnone "frame-pointer"="all" "min-legal-vector-width"="0" "no-builtins" "no-trapping-math"="true" "stack-protector-buffer-size"="0" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }

638
639
!clang.global.decl.ptrs = !{!0, !1, !0, !2, !3}

640
!llvm.module.flags = !{!4, !5}

641
!llvm.ident = !{!6}

642
643
!0 = distinct !{i32** @"$RESULT_NAME", i64 93869831910512}

644
!1 = !{void (i8*)* @"_Z12$__lldb_exprPv", i64 93869832196200}

645
!2 = !{i32* @_ZN3Foo3BarE, i64 93869832196872}

646
!3 = !{i32** @"$RESULT_NAME", i64 93869831910512}

647
!4 = !{i32 1, !"wchar_size", i32 4}

648
!5 = !{i32 7, !"frame-pointer", i32 2}

649
!6 = !{!"clang version 14.0.0 (https://github.com/llvm/llvm-project.git d89490db70ebc6438db507a20ac9558e822f1453)"}

650
!7 = !{i64 93869832195976}

651
!8 = !{!"branch_weights", i32 1, i32 1048575}

652
"

653
Examining _ZGVZ12$__lldb_exprPvE19$__lldb_expr_result, DeclForGlobalValue returns 0x0000000000000000

654
Examining _ZN3Foo3BarE, DeclForGlobalValue returns 0x0000555FC600D308

655
MaybeHandleVariable (@_ZN3Foo3BarE = external global i32, align 4)

656
Type of "Bar" is [clang "int", llvm "i32*"] [size 4, align 4]

657
Examining reloc_placeholder, DeclForGlobalValue returns 0x0000000000000000

658
Examining $RESULT_NAME, DeclForGlobalValue returns 0x0000555FC5FC7470

659
MaybeHandleVariable (@"$RESULT_NAME" = external global i32*)

660
Type of "$__lldb_expr_result" is [clang "int **", llvm "i32***"] [size 8, align 8]

661
Adding value for (NamedDecl*)0x0000555FC5FC7470 [$__lldb_expr_result - $RESULT_NAME] to the structure

662
Already placed at 0x0

663
Placed at 0x0

664
Element arrangement:

665
Arg: "i8* %"$__lldb_arg""

666
  "$RESULT_NAME" ("$__lldb_expr_result") placed at 0

667
    Replacing [@"$RESULT_NAME" = external global i32*]

668
Total structure [align 8, size 8]

669
Module after preparing for execution: 

670
"; ModuleID = '$__lldb_module'

671
source_filename = "$__lldb_module"

672
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

673
target triple = "x86_64-unknown-linux-gnu"

674
675
@"_ZGVZ12$__lldb_exprPvE19$__lldb_expr_result" = internal global i8 0, align 1

676
@_ZN3Foo3BarE = external global i32, align 4

677
@reloc_placeholder = internal global i8 0

678
679
; Function Attrs: convergent mustprogress noinline nounwind optnone

680
define dso_local void @"_Z12$__lldb_exprPv"(i8* noundef %"$__lldb_arg") #0 {

681
entry:

682
  %0 = getelementptr i8, i8* %"$__lldb_arg", i32 0

683
  %1 = bitcast i8* %0 to i32***

684
  %2 = load i32**, i32*** %1, align 8

685
  %"$__lldb_arg.addr" = alloca i8*, align 8, !clang.decl.ptr !7

686
  store i8* %"$__lldb_arg", i8** %"$__lldb_arg.addr", align 8

687
  %guard.uninitialized = icmp eq i8 0, 0

688
  br i1 %guard.uninitialized, label %init.check, label %init.end, !prof !8

689
690
init.check:                                       ; preds = %entry

691
  store i32* getelementptr inbounds (i32, i32* inttoptr (i64 100 to i32*), i64 ptrtoint (i32* @_ZN3Foo3BarE to i64)), i32** %2, align 8

692
  br label %init.end

693
694
init.end:                                         ; preds = %init.check, %entry

695
  ret void

696
}

697
698
attributes #0 = { convergent mustprogress noinline nounwind optnone "frame-pointer"="all" "min-legal-vector-width"="0" "no-builtins" "no-trapping-math"="true" "stack-protector-buffer-size"="0" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }

699
700
!clang.global.decl.ptrs = !{!0, !1, !0, !2, !3}

701
!llvm.module.flags = !{!4, !5}

702
!llvm.ident = !{!6}

703
704
!0 = distinct !{null, i64 93869831910512}

705
!1 = !{void (i8*)* @"_Z12$__lldb_exprPv", i64 93869832196200}

706
!2 = !{i32* @_ZN3Foo3BarE, i64 93869832196872}

707
!3 = distinct !{null, i64 93869831910512}

708
!4 = !{i32 1, !"wchar_size", i32 4}

709
!5 = !{i32 7, !"frame-pointer", i32 2}

710
!6 = !{!"clang version 14.0.0 (https://github.com/llvm/llvm-project.git d89490db70ebc6438db507a20ac9558e822f1453)"}

711
!7 = !{i64 93869832195976}

712
!8 = !{!"branch_weights", i32 1, i32 1048575}

713
"

714
    [ClangASTImporter] Forgetting destination (ASTContext*)0x0000555FC5FD5F40

715
    [ClangASTImporter] Forgetting source->dest (ASTContext*)0x0000555FC5FD5F40->(ASTContext*)0x0000555FC5F58FA0

716
== [UserExpression::Evaluate] Executing expression ==

717
IRMemoryMap::Malloc (15, 0x8, 0x3, eAllocationPolicyHostOnly) -> 0x7ffff7fca000

718
IRMemoryMap::Malloc (524295, 0x8, 0x3, eAllocationPolicyHostOnly) -> 0x7ffff79f6000

719
IRMemoryMap::Malloc process_sp=0x555fc5de9ed0, process_sp->CanJIT()=true, process_sp->IsAlive()=true

720
IRMemoryMap::WriteMemory (0x7ffff7fca010, 0x555fc5cf38b0, 0x8) went to [0x7ffff7fca010..0x7ffff7fca01f)

721
IRMemoryMap::Malloc (15, 0x8, 0x3, eAllocationPolicyMirror) -> 0x7ffff7fca010

722
IRMemoryMap::WriteMemory (0x7ffff7fca000, 0x7ffd03bc9ef0, 0x8) went to [0x7ffff7fca000..0x7ffff7fca00f)

723
Materializer::Materialize (frame_sp = 0x7f718c380640, process_address = 0x7ffff7fca000) materialized:

724
IRMemoryMap::ReadMemory (0x7ffff7fca000, 0x555fc5c4ed00, 0x8) came from [0x7ffff7fca000..0x7ffff7fca00f)

725
IRMemoryMap::ReadMemory (0x7ffff7fca010, 0x555fc5c4ed00, 0x8) came from [0x7ffff7fca010..0x7ffff7fca01f)

726
0x7ffff7fca000: EntityResultVariable

727
Pointer:

728
0x7ffff7fca000: 10 a0 fc f7 ff 7f 00 00

729
Temporary allocation:

730
0x7ffff7fca000: 00 00 00 00 00 00 00 00

731
732
Module as passed in to IRInterpreter::Interpret: 

733
"; ModuleID = '$__lldb_module'

734
source_filename = "$__lldb_module"

735
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

736
target triple = "x86_64-unknown-linux-gnu"

737
738
@"_ZGVZ12$__lldb_exprPvE19$__lldb_expr_result" = internal global i8 0, align 1

739
@_ZN3Foo3BarE = external global i32, align 4

740
@reloc_placeholder = internal global i8 0

741
742
; Function Attrs: convergent mustprogress noinline nounwind optnone

743
define dso_local void @"_Z12$__lldb_exprPv"(i8* noundef %"$__lldb_arg") #0 {

744
entry:

745
  %0 = getelementptr i8, i8* %"$__lldb_arg", i32 0

746
  %1 = bitcast i8* %0 to i32***

747
  %2 = load i32**, i32*** %1, align 8

748
  %"$__lldb_arg.addr" = alloca i8*, align 8, !clang.decl.ptr !7

749
  store i8* %"$__lldb_arg", i8** %"$__lldb_arg.addr", align 8

750
  %guard.uninitialized = icmp eq i8 0, 0

751
  br i1 %guard.uninitialized, label %init.check, label %init.end, !prof !8

752
753
init.check:                                       ; preds = %entry

754
  store i32* getelementptr inbounds (i32, i32* inttoptr (i64 100 to i32*), i64 ptrtoint (i32* @_ZN3Foo3BarE to i64)), i32** %2, align 8

755
  br label %init.end

756
757
init.end:                                         ; preds = %init.check, %entry

758
  ret void

759
}

760
761
attributes #0 = { convergent mustprogress noinline nounwind optnone "frame-pointer"="all" "min-legal-vector-width"="0" "no-builtins" "no-trapping-math"="true" "stack-protector-buffer-size"="0" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }

762
763
!clang.global.decl.ptrs = !{!0, !1, !0, !2, !3}

764
!llvm.module.flags = !{!4, !5}

765
!llvm.ident = !{!6}

766
767
!0 = distinct !{null, i64 93869831910512}

768
!1 = !{void (i8*)* @"_Z12$__lldb_exprPv", i64 93869832196200}

769
!2 = !{i32* @_ZN3Foo3BarE, i64 93869832196872}

770
!3 = distinct !{null, i64 93869831910512}

771
!4 = !{i32 1, !"wchar_size", i32 4}

772
!5 = !{i32 7, !"frame-pointer", i32 2}

773
!6 = !{!"clang version 14.0.0 (https://github.com/llvm/llvm-project.git d89490db70ebc6438db507a20ac9558e822f1453)"}

774
!7 = !{i64 93869832195976}

775
!8 = !{!"branch_weights", i32 1, i32 1048575}

776
"

777
IRMemoryMap::WriteMemory (0x7ffff7a75ff8, 0x7ffd03bc9ae0, 0x8) went to [0x7ffff79f6000..0x7ffff7a76007)

778
Made an allocation for argument i8* %"$__lldb_arg"

779
  Data region    : 7ffff7fca000

780
  Ref region     : 7ffff7a75ff8

781
Interpreting %0 = getelementptr i8, i8* %"$__lldb_arg", i32 0

782
IRMemoryMap::WriteMemory (0x7ffff7a75ff0, 0x555fc5c35270, 0x8) went to [0x7ffff79f6000..0x7ffff7a76007)

783
Interpreted a GetElementPtrInst

784
  P       : i8* %"$__lldb_arg" 0x7ffff7a75ff8

785
  Poffset : %0 = getelementptr i8, i8* %"$__lldb_arg", i32 0 0x7ffff7a75ff0

786
Interpreting %1 = bitcast i8* %0 to i32***

787
IRMemoryMap::WriteMemory (0x7ffff7a75fe8, 0x555fc5c35270, 0x8) went to [0x7ffff79f6000..0x7ffff7a76007)

788
Interpreting %2 = load i32**, i32*** %1, align 8

789
IRMemoryMap::ReadMemory (0x7ffff7a75fe8, 0x555fc5c35270, 0x8) came from [0x7ffff79f6000..0x7ffff7a76007)

790
IRMemoryMap::ReadMemory (0x7ffff7fca000, 0x555fc5c35270, 0x8) came from [0x7ffff7fca000..0x7ffff7fca00f)

791
IRMemoryMap::WriteMemory (0x7ffff7a75fe0, 0x555fc5c35270, 0x8) went to [0x7ffff79f6000..0x7ffff7a76007)

792
Interpreted a LoadInst

793
  P : 0x7ffff7a75fe8

794
  R : 0x7ffff7fca000

795
  D : 0x7ffff7a75fe0

796
Interpreting %"$__lldb_arg.addr" = alloca i8*, align 8, !clang.decl.ptr !7

797
IRMemoryMap::WriteMemory (0x7ffff7a75fd0, 0x7ffd03bc9ae0, 0x8) went to [0x7ffff79f6000..0x7ffff7a76007)

798
Interpreted an AllocaInst

799
  R : 0x7ffff7a75fd8

800
  P : 0x7ffff7a75fd0

801
Interpreting store i8* %"$__lldb_arg", i8** %"$__lldb_arg.addr", align 8

802
IRMemoryMap::ReadMemory (0x7ffff7a75fd0, 0x555fc5d569b0, 0x8) came from [0x7ffff79f6000..0x7ffff7a76007)

803
IRMemoryMap::ReadMemory (0x7ffff7a75ff8, 0x555fc5d569b0, 0x8) came from [0x7ffff79f6000..0x7ffff7a76007)

804
IRMemoryMap::WriteMemory (0x7ffff7a75fd8, 0x555fc5d569b0, 0x8) went to [0x7ffff79f6000..0x7ffff7a76007)

805
Interpreted a StoreInst

806
  D : 0x7ffff7a75ff8

807
  P : 0x7ffff7a75fd0

808
  R : 0x7ffff7a75fd8

809
Interpreting %guard.uninitialized = icmp eq i8 0, 0

810
IRMemoryMap::WriteMemory (0x7ffff7a75fcf, 0x555fc5d569b0, 0x1) went to [0x7ffff79f6000..0x7ffff7a76007)

811
Interpreted an ICmpInst

812
  L : i8 0

813
  R : i8 0

814
  = : %guard.uninitialized = icmp eq i8 0, 0 0x7ffff7a75fcf

815
Interpreting br i1 %guard.uninitialized, label %init.check, label %init.end, !prof !8

816
Interpreted a BrInst with a condition

817
  cond : %guard.uninitialized = icmp eq i8 0, 0 0x7ffff7a75fcf

818
Interpreting store i32* getelementptr inbounds (i32, i32* inttoptr (i64 100 to i32*), i64 ptrtoint (i32* @_ZN3Foo3BarE to i64)), i32** %2, align 8

819
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace.

820
Stack dump:

821
0.      Program arguments: /home/werat/git/llvm-project/build_x64_optdebug/bin/lldb a.out

822
 #0 0x0000555fc564219d llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (.localalias) /home/werat/git/llvm-project/llvm/lib/Support/Unix/Signals.inc:569:3

823
 #1 0x0000555fc56406e4 llvm::sys::RunSignalHandlers() (.localalias) /home/werat/git/llvm-project/llvm/lib/Support/Signals.cpp:97:20

824
 #2 0x0000555fc564085e SignalHandler(int) /home/werat/git/llvm-project/llvm/lib/Support/Unix/Signals.inc:407:1

825
 #3 0x00007f71da1ce8e0 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x138e0)

826
 #4 0x00007f71d6c85300 llvm::APInt::getSExtValue() const /home/werat/git/llvm-project/llvm/include/llvm/ADT/APInt.h:1478:29

827
 #5 0x00007f71d6c85300 llvm::ConstantInt::getSExtValue() const /home/werat/git/llvm-project/llvm/include/llvm/IR/Constants.h:148:64

828
 #6 0x00007f71d6c85300 llvm::DataLayout::getIndexedOffsetInType(llvm::Type*, llvm::ArrayRef<llvm::Value*>) const /home/werat/git/llvm-project/llvm/lib/IR/DataLayout.cpp:896:66

829
 #7 0x00007f71d4ff7b66 InterpreterStackFrame::ResolveConstantValue(llvm::APInt&, llvm::Constant const*) /home/werat/git/llvm-project/lldb/source/Expression/IRInterpreter.cpp:290:51

830
 #8 0x00007f71d4ff837a InterpreterStackFrame::ResolveConstant(unsigned long, llvm::Constant const*) /home/werat/git/llvm-project/lldb/source/Expression/IRInterpreter.cpp:345:30

831
 #9 0x00007f71d4ff8732 InterpreterStackFrame::ResolveValue(llvm::Value const*, llvm::Module&) (.isra.0) /home/werat/git/llvm-project/lldb/source/Expression/IRInterpreter.cpp:422:7

832
#10 0x00007f71d4ffa827 IRInterpreter::Interpret(llvm::Module&, llvm::Function&, llvm::ArrayRef<unsigned long>, lldb_private::IRExecutionUnit&, lldb_private::Status&, unsigned long, unsigned long, lldb_private::ExecutionContext&) /home/werat/git/llvm-project/lldb/source/Expression/IRInterpreter.cpp:1277:42

833
#11 0x00007f71d4fffec1 lldb_private::LLVMUserExpression::DoExecute(lldb_private::DiagnosticManager&, lldb_private::ExecutionContext&, lldb_private::EvaluateExpressionOptions const&, std::shared_ptr<lldb_private::UserExpression>&, std::shared_ptr<lldb_private::ExpressionVariable>&) (.localalias) /home/werat/git/llvm-project/lldb/source/Expression/LLVMUserExpression.cpp:123:35

834
#12 0x00007f71d3423591 lldb_private::UserExpression::Execute(lldb_private::DiagnosticManager&, lldb_private::ExecutionContext&, lldb_private::EvaluateExpressionOptions const&, std::shared_ptr<lldb_private::UserExpression>&, std::shared_ptr<lldb_private::ExpressionVariable>&) (.localalias) /home/werat/git/llvm-project/lldb/source/Expression/UserExpression.cpp:401:40

835
#13 0x00007f71d342459d lldb_private::UserExpression::Evaluate(lldb_private::ExecutionContext&, lldb_private::EvaluateExpressionOptions const&, llvm::StringRef, llvm::StringRef, std::shared_ptr<lldb_private::ValueObject>&, lldb_private::Status&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, lldb_private::ValueObject*) /home/werat/git/llvm-project/lldb/source/Expression/UserExpression.cpp:346:38

836
#14 0x00007f71d35501aa lldb_private::Target::EvaluateExpression(llvm::StringRef, lldb_private::ExecutionContextScope*, std::shared_ptr<lldb_private::ValueObject>&, lldb_private::EvaluateExpressionOptions const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, lldb_private::ValueObject*) /home/werat/git/llvm-project/lldb/source/Target/Target.cpp:2432:12

837
#15 0x00007f71d4e78001 lldb_private::CommandObjectExpression::EvaluateExpression(llvm::StringRef, lldb_private::Stream&, lldb_private::Stream&, lldb_private::CommandReturnObject&) (.localalias) /home/werat/git/llvm-project/lldb/source/Commands/CommandObjectExpression.cpp:423:35

838
#16 0x00007f71d4e7912f lldb_private::CommandObjectExpression::DoExecute(llvm::StringRef, lldb_private::CommandReturnObject&) (.localalias) /home/werat/git/llvm-project/lldb/source/Commands/CommandObjectExpression.cpp:645:25

839
#17 0x00007f71d345e3d7 lldb_private::CommandObjectRaw::Execute(char const*, lldb_private::CommandReturnObject&) (.localalias) /home/werat/git/llvm-project/lldb/source/Interpreter/CommandObject.cpp:1017:26

840
#18 0x00007f71d345b037 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_data() const /usr/include/c++/10/bits/basic_string.h:195:28

841
#19 0x00007f71d345b037 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_is_local() const /usr/include/c++/10/bits/basic_string.h:230:23

842
#20 0x00007f71d345b037 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_dispose() /usr/include/c++/10/bits/basic_string.h:239:18

843
#21 0x00007f71d345b037 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() /usr/include/c++/10/bits/basic_string.h:671:19

844
#22 0x00007f71d345b037 lldb_private::CommandInterpreter::HandleCommand(char const*, lldb_private::LazyBool, lldb_private::CommandReturnObject&) (.localalias) /home/werat/git/llvm-project/lldb/source/Interpreter/CommandInterpreter.cpp:1957:17

845
#23 0x00007f71d345b47f lldb_private::CommandInterpreter::IOHandlerInputComplete(lldb_private::IOHandler&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&) /home/werat/git/llvm-project/lldb/source/Interpreter/CommandInterpreter.cpp:3024:24

846
#24 0x00007f71d3395431 lldb_private::IOHandlerEditline::Run() (.localalias) /home/werat/git/llvm-project/lldb/source/Core/IOHandler.cpp:576:44

847
#25 0x00007f71d3372561 __gthread_mutex_lock /usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:748:3

848
#26 0x00007f71d3372561 __gthread_recursive_mutex_lock /usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:811:31

849
#27 0x00007f71d3372561 std::recursive_mutex::lock() /usr/include/c++/10/mutex:106:47

850
#28 0x00007f71d3372561 std::lock_guard<std::recursive_mutex>::lock_guard(std::recursive_mutex&) /usr/include/c++/10/bits/std_mutex.h:159:23

851
#29 0x00007f71d3372561 lldb_private::Debugger::RunIOHandlers() (.localalias) /home/werat/git/llvm-project/lldb/source/Core/Debugger.cpp:880:41

852
#30 0x00007f71d344ca10 lldb_private::CommandInterpreterRunOptions::DefaultToYes(lldb_private::LazyBool) /home/werat/git/llvm-project/lldb/include/lldb/Interpreter/CommandInterpreter.h:196:5

853
#31 0x00007f71d344ca10 lldb_private::CommandInterpreterRunOptions::GetAutoHandleEvents() const /home/werat/git/llvm-project/lldb/include/lldb/Interpreter/CommandInterpreter.h:170:24

854
#32 0x00007f71d344ca10 lldb_private::CommandInterpreter::RunCommandInterpreter(lldb_private::CommandInterpreterRunOptions&) /home/werat/git/llvm-project/lldb/source/Interpreter/CommandInterpreter.cpp:3269:36

855
#33 0x00007f71d303296c lldb::SBDebugger::RunCommandInterpreter(bool, bool) (.localalias) /home/werat/git/llvm-project/lldb/source/API/SBDebugger.cpp:1203:3

856
#34 0x0000555fc5629d1f reset_stdin_termios /home/werat/git/llvm-project/lldb/tools/driver/Driver.cpp:102:3

857
#35 0x0000555fc5629d1f Driver::MainLoop() (.localalias) /home/werat/git/llvm-project/lldb/tools/driver/Driver.cpp:681:22

858
#36 0x0000555fc562889e main /home/werat/git/llvm-project/lldb/tools/driver/Driver.cpp:945:34

859
#37 0x00007f71d1ed0e4a __libc_start_main ./csu/../csu/libc-start.c:314:16

860
#38 0x0000555fc562894a _start (/home/werat/git/llvm-project/build_x64_optdebug/bin/lldb+0x894a)

861
[1]    514649 segmentation fault  LLVM_SYMBOLIZER_PATH=llvm-symbolizer-11  a.out

862
        

    


            


                                


        

            



                
    

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