shafik updated this revision to Diff 285176.
shafik added a comment.
Replacing python test with Shell test
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D85376/new/
https://reviews.llvm.org/D85376
Files:
lldb/source/Core/ValueObjectChild.cpp
lldb/test/Shell/SymbolFile/DWARF/valueobject-pass-by-reg.s
Index: lldb/test/Shell/SymbolFile/DWARF/valueobject-pass-by-reg.s
===================================================================
--- /dev/null
+++ lldb/test/Shell/SymbolFile/DWARF/valueobject-pass-by-reg.s
@@ -0,0 +1,550 @@
+# RUN: llvm-mc -filetype=obj -o %t -triple x86_64-apple-macosx10.15.0 %s
+# RUN: %lldb %t -o "target variable ug" -b | FileCheck %s
+
+# CHECK: (lldb) target variable ug
+# CHECK: (U) ug = {
+# CHECK: raw = 1688469761
+# CHECK: = (a = 1, b = 1, c = 36, d = 2, e = 36, f = 1)
+# CHECK: }
+
+# We are testing how ValueObject deals with bit-fields when an argument is
+# passed by register. Compiling at -O1 allows us to capture this case and
+# test it.
+#
+# typedef union
+# {
+# unsigned raw;
+# struct
+# {
+# unsigned a : 8;
+# unsigned b : 8;
+# unsigned c : 6;
+# unsigned d : 2;
+# unsigned e : 6;
+# unsigned f : 2;
+# } ;
+# } U;
+#
+# static U ug= (U)(unsigned)0x0;
+#
+# void f(U u) {
+# printf( "%d\n", u.raw);
+# return;
+# }
+#
+# int main() {
+# ug.raw = 0x64A40101;
+#
+# f(ug);
+# printf( "%d\n", ug.raw);
+# }
+#
+#
+# Compiled as follows:
+#
+# clang -O1 -gdwarf-4 weird.c -S -o weird.s
+#
+# Then the DWARF was hand modified to get DW_AT_LOCATION for ug from:
+#
+# DW_AT_location (DW_OP_addr 0x100002010, DW_OP_deref_size 0x1, DW_OP_constu 0x64a40101, DW_OP_mul, DW_OP_lit0, DW_OP_plus, DW_OP_stack_value)
+#
+# to this:
+#
+# DW_AT_location (DW_OP_constu 0x64a40101, DW_OP_stack_value)
+#
+# to work-around a seperate bug.
+#
+# clang is built from llvm.org and the last commit was:
+#
+# 86dea1f39bd127776b999e10dff212003068d30a
+#
+
+ .section __TEXT,__text,regular,pure_instructions
+ .build_version macos, 10, 15 sdk_version 10, 15, 6
+ .file 1 "/tmp" "weird.c"
+ .globl _f ## -- Begin function f
+ .p2align 4, 0x90
+_f: ## @f
+Lfunc_begin0:
+ .loc 1 16 0 ## /tmp/weird.c:16:0
+ .cfi_startproc
+## %bb.0:
+ ##DEBUG_VALUE: f:u <- $edi
+ pushq %rbp
+ .cfi_def_cfa_offset 16
+ .cfi_offset %rbp, -16
+ movq %rsp, %rbp
+ .cfi_def_cfa_register %rbp
+ movl %edi, %esi
+Ltmp0:
+ ##DEBUG_VALUE: f:u <- $esi
+ .loc 1 17 3 prologue_end ## /tmp/weird.c:17:3
+ leaq L_.str(%rip), %rdi
+ ##DEBUG_VALUE: f:u <- $esi
+ xorl %eax, %eax
+ callq _printf
+Ltmp1:
+ .loc 1 18 3 ## /tmp/weird.c:18:3
+ popq %rbp
+ retq
+Ltmp2:
+Lfunc_end0:
+ .cfi_endproc
+ ## -- End function
+ .globl _main ## -- Begin function main
+ .p2align 4, 0x90
+_main: ## @main
+Lfunc_begin1:
+ .loc 1 20 0 ## /tmp/weird.c:20:0
+ .cfi_startproc
+## %bb.0:
+ pushq %rbp
+ .cfi_def_cfa_offset 16
+ .cfi_offset %rbp, -16
+ movq %rsp, %rbp
+ .cfi_def_cfa_register %rbp
+Ltmp3:
+ pushq %rbx
+ pushq %rax
+ .cfi_offset %rbx, -24
+ .loc 1 22 10 prologue_end ## /tmp/weird.c:22:10
+ movb $1, _ug.0(%rip)
+ movl $1688469761, %ebx ## imm = 0x64A40101
+ .loc 1 26 3 ## /tmp/weird.c:26:3
+ movl $1688469761, %edi ## imm = 0x64A40101
+ callq _f
+Ltmp4:
+ .loc 1 0 3 is_stmt 0 ## /tmp/weird.c:0:3
+ xorl %eax, %eax
+ .loc 1 27 22 is_stmt 1 ## /tmp/weird.c:27:22
+ cmpb $0, _ug.0(%rip)
+ cmovel %eax, %ebx
+ .loc 1 27 3 is_stmt 0 ## /tmp/weird.c:27:3
+ leaq L_.str(%rip), %rdi
+ movl %ebx, %esi
+ xorl %eax, %eax
+ callq _printf
+Ltmp5:
+ .loc 1 28 1 is_stmt 1 ## /tmp/weird.c:28:1
+ xorl %eax, %eax
+ addq $8, %rsp
+ popq %rbx
+ popq %rbp
+ retq
+Ltmp6:
+Lfunc_end1:
+ .cfi_endproc
+ ## -- End function
+ .section __TEXT,__cstring,cstring_literals
+L_.str: ## @.str
+ .asciz "%d\n"
+
+.zerofill __DATA,__bss,_ug.0,1,2 ## @ug.0
+ .section __DWARF,__debug_str,regular,debug
+Linfo_string:
+ .asciz "Apple clang version 12.0.0 (clang-1200.0.31.1)" ## string offset=0
+ .asciz "/tmp/weird.c" ## string offset=47
+ .asciz "/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk" ## string offset=60
+ .asciz "MacOSX10.15.sdk" ## string offset=117
+ .asciz "/Users/friss/dev/stash/xnu" ## string offset=133
+ .asciz "ug" ## string offset=160
+ .asciz "U" ## string offset=163
+ .asciz "raw" ## string offset=165
+ .asciz "unsigned int" ## string offset=169
+ .asciz "a" ## string offset=182
+ .asciz "b" ## string offset=184
+ .asciz "c" ## string offset=186
+ .asciz "d" ## string offset=188
+ .asciz "e" ## string offset=190
+ .asciz "f" ## string offset=192
+ .asciz "main" ## string offset=194
+ .asciz "int" ## string offset=199
+ .asciz "u" ## string offset=203
+ .section __DWARF,__debug_loc,regular,debug
+Lsection_debug_loc:
+Ldebug_loc0:
+.set Lset0, Lfunc_begin0-Lfunc_begin0
+ .quad Lset0
+.set Lset1, Ltmp0-Lfunc_begin0
+ .quad Lset1
+ .short 1 ## Loc expr size
+ .byte 85 ## super-register DW_OP_reg5
+.set Lset2, Ltmp0-Lfunc_begin0
+ .quad Lset2
+.set Lset3, Ltmp1-Lfunc_begin0
+ .quad Lset3
+ .short 1 ## Loc expr size
+ .byte 84 ## super-register DW_OP_reg4
+ .quad 0
+ .quad 0
+ .section __DWARF,__debug_abbrev,regular,debug
+Lsection_abbrev:
+ .byte 1 ## Abbreviation Code
+ .byte 17 ## DW_TAG_compile_unit
+ .byte 1 ## DW_CHILDREN_yes
+ .byte 37 ## DW_AT_producer
+ .byte 14 ## DW_FORM_strp
+ .byte 19 ## DW_AT_language
+ .byte 5 ## DW_FORM_data2
+ .byte 3 ## DW_AT_name
+ .byte 14 ## DW_FORM_strp
+ .ascii "\202|" ## DW_AT_LLVM_sysroot
+ .byte 14 ## DW_FORM_strp
+ .ascii "\357\177" ## DW_AT_APPLE_sdk
+ .byte 14 ## DW_FORM_strp
+ .byte 16 ## DW_AT_stmt_list
+ .byte 23 ## DW_FORM_sec_offset
+ .byte 27 ## DW_AT_comp_dir
+ .byte 14 ## DW_FORM_strp
+ .ascii "\341\177" ## DW_AT_APPLE_optimized
+ .byte 25 ## DW_FORM_flag_present
+ .byte 17 ## DW_AT_low_pc
+ .byte 1 ## DW_FORM_addr
+ .byte 18 ## DW_AT_high_pc
+ .byte 6 ## DW_FORM_data4
+ .byte 0 ## EOM(1)
+ .byte 0 ## EOM(2)
+ .byte 2 ## Abbreviation Code
+ .byte 52 ## DW_TAG_variable
+ .byte 0 ## DW_CHILDREN_no
+ .byte 3 ## DW_AT_name
+ .byte 14 ## DW_FORM_strp
+ .byte 73 ## DW_AT_type
+ .byte 19 ## DW_FORM_ref4
+ .byte 58 ## DW_AT_decl_file
+ .byte 11 ## DW_FORM_data1
+ .byte 59 ## DW_AT_decl_line
+ .byte 11 ## DW_FORM_data1
+ .byte 2 ## DW_AT_location
+ .byte 24 ## DW_FORM_exprloc
+ .byte 0 ## EOM(1)
+ .byte 0 ## EOM(2)
+ .byte 3 ## Abbreviation Code
+ .byte 22 ## DW_TAG_typedef
+ .byte 0 ## DW_CHILDREN_no
+ .byte 73 ## DW_AT_type
+ .byte 19 ## DW_FORM_ref4
+ .byte 3 ## DW_AT_name
+ .byte 14 ## DW_FORM_strp
+ .byte 58 ## DW_AT_decl_file
+ .byte 11 ## DW_FORM_data1
+ .byte 59 ## DW_AT_decl_line
+ .byte 11 ## DW_FORM_data1
+ .byte 0 ## EOM(1)
+ .byte 0 ## EOM(2)
+ .byte 4 ## Abbreviation Code
+ .byte 23 ## DW_TAG_union_type
+ .byte 1 ## DW_CHILDREN_yes
+ .byte 11 ## DW_AT_byte_size
+ .byte 11 ## DW_FORM_data1
+ .byte 58 ## DW_AT_decl_file
+ .byte 11 ## DW_FORM_data1
+ .byte 59 ## DW_AT_decl_line
+ .byte 11 ## DW_FORM_data1
+ .byte 0 ## EOM(1)
+ .byte 0 ## EOM(2)
+ .byte 5 ## Abbreviation Code
+ .byte 13 ## DW_TAG_member
+ .byte 0 ## DW_CHILDREN_no
+ .byte 3 ## DW_AT_name
+ .byte 14 ## DW_FORM_strp
+ .byte 73 ## DW_AT_type
+ .byte 19 ## DW_FORM_ref4
+ .byte 58 ## DW_AT_decl_file
+ .byte 11 ## DW_FORM_data1
+ .byte 59 ## DW_AT_decl_line
+ .byte 11 ## DW_FORM_data1
+ .byte 56 ## DW_AT_data_member_location
+ .byte 11 ## DW_FORM_data1
+ .byte 0 ## EOM(1)
+ .byte 0 ## EOM(2)
+ .byte 6 ## Abbreviation Code
+ .byte 13 ## DW_TAG_member
+ .byte 0 ## DW_CHILDREN_no
+ .byte 73 ## DW_AT_type
+ .byte 19 ## DW_FORM_ref4
+ .byte 58 ## DW_AT_decl_file
+ .byte 11 ## DW_FORM_data1
+ .byte 59 ## DW_AT_decl_line
+ .byte 11 ## DW_FORM_data1
+ .byte 56 ## DW_AT_data_member_location
+ .byte 11 ## DW_FORM_data1
+ .byte 0 ## EOM(1)
+ .byte 0 ## EOM(2)
+ .byte 7 ## Abbreviation Code
+ .byte 19 ## DW_TAG_structure_type
+ .byte 1 ## DW_CHILDREN_yes
+ .byte 11 ## DW_AT_byte_size
+ .byte 11 ## DW_FORM_data1
+ .byte 58 ## DW_AT_decl_file
+ .byte 11 ## DW_FORM_data1
+ .byte 59 ## DW_AT_decl_line
+ .byte 11 ## DW_FORM_data1
+ .byte 0 ## EOM(1)
+ .byte 0 ## EOM(2)
+ .byte 8 ## Abbreviation Code
+ .byte 13 ## DW_TAG_member
+ .byte 0 ## DW_CHILDREN_no
+ .byte 3 ## DW_AT_name
+ .byte 14 ## DW_FORM_strp
+ .byte 73 ## DW_AT_type
+ .byte 19 ## DW_FORM_ref4
+ .byte 58 ## DW_AT_decl_file
+ .byte 11 ## DW_FORM_data1
+ .byte 59 ## DW_AT_decl_line
+ .byte 11 ## DW_FORM_data1
+ .byte 13 ## DW_AT_bit_size
+ .byte 11 ## DW_FORM_data1
+ .byte 107 ## DW_AT_data_bit_offset
+ .byte 11 ## DW_FORM_data1
+ .byte 0 ## EOM(1)
+ .byte 0 ## EOM(2)
+ .byte 9 ## Abbreviation Code
+ .byte 36 ## DW_TAG_base_type
+ .byte 0 ## DW_CHILDREN_no
+ .byte 3 ## DW_AT_name
+ .byte 14 ## DW_FORM_strp
+ .byte 62 ## DW_AT_encoding
+ .byte 11 ## DW_FORM_data1
+ .byte 11 ## DW_AT_byte_size
+ .byte 11 ## DW_FORM_data1
+ .byte 0 ## EOM(1)
+ .byte 0 ## EOM(2)
+ .byte 10 ## Abbreviation Code
+ .byte 46 ## DW_TAG_subprogram
+ .byte 1 ## DW_CHILDREN_yes
+ .byte 17 ## DW_AT_low_pc
+ .byte 1 ## DW_FORM_addr
+ .byte 18 ## DW_AT_high_pc
+ .byte 6 ## DW_FORM_data4
+ .byte 64 ## DW_AT_frame_base
+ .byte 24 ## DW_FORM_exprloc
+ .byte 122 ## DW_AT_call_all_calls
+ .byte 25 ## DW_FORM_flag_present
+ .byte 3 ## DW_AT_name
+ .byte 14 ## DW_FORM_strp
+ .byte 58 ## DW_AT_decl_file
+ .byte 11 ## DW_FORM_data1
+ .byte 59 ## DW_AT_decl_line
+ .byte 11 ## DW_FORM_data1
+ .byte 39 ## DW_AT_prototyped
+ .byte 25 ## DW_FORM_flag_present
+ .byte 63 ## DW_AT_external
+ .byte 25 ## DW_FORM_flag_present
+ .ascii "\341\177" ## DW_AT_APPLE_optimized
+ .byte 25 ## DW_FORM_flag_present
+ .byte 0 ## EOM(1)
+ .byte 0 ## EOM(2)
+ .byte 11 ## Abbreviation Code
+ .byte 5 ## DW_TAG_formal_parameter
+ .byte 0 ## DW_CHILDREN_no
+ .byte 2 ## DW_AT_location
+ .byte 23 ## DW_FORM_sec_offset
+ .byte 3 ## DW_AT_name
+ .byte 14 ## DW_FORM_strp
+ .byte 58 ## DW_AT_decl_file
+ .byte 11 ## DW_FORM_data1
+ .byte 59 ## DW_AT_decl_line
+ .byte 11 ## DW_FORM_data1
+ .byte 73 ## DW_AT_type
+ .byte 19 ## DW_FORM_ref4
+ .byte 0 ## EOM(1)
+ .byte 0 ## EOM(2)
+ .byte 12 ## Abbreviation Code
+ .byte 46 ## DW_TAG_subprogram
+ .byte 1 ## DW_CHILDREN_yes
+ .byte 17 ## DW_AT_low_pc
+ .byte 1 ## DW_FORM_addr
+ .byte 18 ## DW_AT_high_pc
+ .byte 6 ## DW_FORM_data4
+ .byte 64 ## DW_AT_frame_base
+ .byte 24 ## DW_FORM_exprloc
+ .byte 122 ## DW_AT_call_all_calls
+ .byte 25 ## DW_FORM_flag_present
+ .byte 3 ## DW_AT_name
+ .byte 14 ## DW_FORM_strp
+ .byte 58 ## DW_AT_decl_file
+ .byte 11 ## DW_FORM_data1
+ .byte 59 ## DW_AT_decl_line
+ .byte 11 ## DW_FORM_data1
+ .byte 73 ## DW_AT_type
+ .byte 19 ## DW_FORM_ref4
+ .byte 63 ## DW_AT_external
+ .byte 25 ## DW_FORM_flag_present
+ .ascii "\341\177" ## DW_AT_APPLE_optimized
+ .byte 25 ## DW_FORM_flag_present
+ .byte 0 ## EOM(1)
+ .byte 0 ## EOM(2)
+ .byte 13 ## Abbreviation Code
+ .byte 72 ## DW_TAG_call_site
+ .byte 1 ## DW_CHILDREN_yes
+ .byte 127 ## DW_AT_call_origin
+ .byte 19 ## DW_FORM_ref4
+ .byte 125 ## DW_AT_call_return_pc
+ .byte 1 ## DW_FORM_addr
+ .byte 0 ## EOM(1)
+ .byte 0 ## EOM(2)
+ .byte 14 ## Abbreviation Code
+ .byte 73 ## DW_TAG_call_site_parameter
+ .byte 0 ## DW_CHILDREN_no
+ .byte 2 ## DW_AT_location
+ .byte 24 ## DW_FORM_exprloc
+ .byte 126 ## DW_AT_call_value
+ .byte 24 ## DW_FORM_exprloc
+ .byte 0 ## EOM(1)
+ .byte 0 ## EOM(2)
+ .byte 0 ## EOM(3)
+ .section __DWARF,__debug_info,regular,debug
+Lsection_info:
+Lcu_begin0:
+.set Lset4, Ldebug_info_end0-Ldebug_info_start0 ## Length of Unit
+ .long Lset4
+Ldebug_info_start0:
+ .short 4 ## DWARF version number
+.set Lset5, Lsection_abbrev-Lsection_abbrev ## Offset Into Abbrev. Section
+ .long Lset5
+ .byte 8 ## Address Size (in bytes)
+ .byte 1 ## Abbrev [1] 0xb:0x125 DW_TAG_compile_unit
+ .long 0 ## DW_AT_producer
+ .short 12 ## DW_AT_language
+ .long 47 ## DW_AT_name
+ .long 60 ## DW_AT_LLVM_sysroot
+ .long 117 ## DW_AT_APPLE_sdk
+ .long 0 ## DW_AT_stmt_list
+ .long 133 ## DW_AT_comp_dir
+ ## DW_AT_APPLE_optimized
+ .quad Lfunc_begin0 ## DW_AT_low_pc
+.set Lset7, Lfunc_end1-Lfunc_begin0 ## DW_AT_high_pc
+ .long Lset7
+ .byte 2 ## Abbrev [2] 0x32:0x21 DW_TAG_variable
+ .long 160 ## DW_AT_name
+ .long 69 ## DW_AT_type
+ .byte 1 ## DW_AT_decl_file
+ .byte 15 ## DW_AT_decl_line
+ .byte 7 ## DW_AT_location
+ .byte 16
+ .ascii "\201\202\220\245\006"
+ .byte 159
+ .byte 3 ## Abbrev [3] 0x53:0xb DW_TAG_typedef
+ .long 80 ## DW_AT_type
+ .long 163 ## DW_AT_name
+ .byte 1 ## DW_AT_decl_file
+ .byte 14 ## DW_AT_decl_line
+ .byte 4 ## Abbrev [4] 0x5e:0x6c DW_TAG_union_type
+ .byte 4 ## DW_AT_byte_size
+ .byte 1 ## DW_AT_decl_file
+ .byte 2 ## DW_AT_decl_line
+ .byte 5 ## Abbrev [5] 0x62:0xc DW_TAG_member
+ .long 165 ## DW_AT_name
+ .long 188 ## DW_AT_type
+ .byte 1 ## DW_AT_decl_file
+ .byte 4 ## DW_AT_decl_line
+ .byte 0 ## DW_AT_data_member_location
+ .byte 6 ## Abbrev [6] 0x6e:0x8 DW_TAG_member
+ .long 104 ## DW_AT_type
+ .byte 1 ## DW_AT_decl_file
+ .byte 5 ## DW_AT_decl_line
+ .byte 0 ## DW_AT_data_member_location
+ .byte 7 ## Abbrev [7] 0x76:0x53 DW_TAG_structure_type
+ .byte 4 ## DW_AT_byte_size
+ .byte 1 ## DW_AT_decl_file
+ .byte 5 ## DW_AT_decl_line
+ .byte 8 ## Abbrev [8] 0x7a:0xd DW_TAG_member
+ .long 182 ## DW_AT_name
+ .long 188 ## DW_AT_type
+ .byte 1 ## DW_AT_decl_file
+ .byte 7 ## DW_AT_decl_line
+ .byte 8 ## DW_AT_bit_size
+ .byte 0 ## DW_AT_data_bit_offset
+ .byte 8 ## Abbrev [8] 0x87:0xd DW_TAG_member
+ .long 184 ## DW_AT_name
+ .long 188 ## DW_AT_type
+ .byte 1 ## DW_AT_decl_file
+ .byte 8 ## DW_AT_decl_line
+ .byte 8 ## DW_AT_bit_size
+ .byte 8 ## DW_AT_data_bit_offset
+ .byte 8 ## Abbrev [8] 0x94:0xd DW_TAG_member
+ .long 186 ## DW_AT_name
+ .long 188 ## DW_AT_type
+ .byte 1 ## DW_AT_decl_file
+ .byte 9 ## DW_AT_decl_line
+ .byte 6 ## DW_AT_bit_size
+ .byte 16 ## DW_AT_data_bit_offset
+ .byte 8 ## Abbrev [8] 0xa1:0xd DW_TAG_member
+ .long 188 ## DW_AT_name
+ .long 188 ## DW_AT_type
+ .byte 1 ## DW_AT_decl_file
+ .byte 10 ## DW_AT_decl_line
+ .byte 2 ## DW_AT_bit_size
+ .byte 22 ## DW_AT_data_bit_offset
+ .byte 8 ## Abbrev [8] 0xae:0xd DW_TAG_member
+ .long 190 ## DW_AT_name
+ .long 188 ## DW_AT_type
+ .byte 1 ## DW_AT_decl_file
+ .byte 11 ## DW_AT_decl_line
+ .byte 6 ## DW_AT_bit_size
+ .byte 24 ## DW_AT_data_bit_offset
+ .byte 8 ## Abbrev [8] 0xbb:0xd DW_TAG_member
+ .long 192 ## DW_AT_name
+ .long 188 ## DW_AT_type
+ .byte 1 ## DW_AT_decl_file
+ .byte 12 ## DW_AT_decl_line
+ .byte 2 ## DW_AT_bit_size
+ .byte 30 ## DW_AT_data_bit_offset
+ .byte 0 ## End Of Children Mark
+ .byte 0 ## End Of Children Mark
+ .byte 9 ## Abbrev [9] 0xca:0x7 DW_TAG_base_type
+ .long 169 ## DW_AT_name
+ .byte 7 ## DW_AT_encoding
+ .byte 4 ## DW_AT_byte_size
+ .byte 10 ## Abbrev [10] 0xd1:0x25 DW_TAG_subprogram
+ .quad Lfunc_begin0 ## DW_AT_low_pc
+.set Lset8, Lfunc_end0-Lfunc_begin0 ## DW_AT_high_pc
+ .long Lset8
+ .byte 1 ## DW_AT_frame_base
+ .byte 86
+ ## DW_AT_call_all_calls
+ .long 192 ## DW_AT_name
+ .byte 1 ## DW_AT_decl_file
+ .byte 16 ## DW_AT_decl_line
+ ## DW_AT_prototyped
+ ## DW_AT_external
+ ## DW_AT_APPLE_optimized
+ .byte 11 ## Abbrev [11] 0xe6:0xf DW_TAG_formal_parameter
+.set Lset9, Ldebug_loc0-Lsection_debug_loc ## DW_AT_location
+ .long Lset9
+ .long 203 ## DW_AT_name
+ .byte 1 ## DW_AT_decl_file
+ .byte 16 ## DW_AT_decl_line
+ .long 69 ## DW_AT_type
+ .byte 0 ## End Of Children Mark
+ .byte 12 ## Abbrev [12] 0xf6:0x32 DW_TAG_subprogram
+ .quad Lfunc_begin1 ## DW_AT_low_pc
+.set Lset10, Lfunc_end1-Lfunc_begin1 ## DW_AT_high_pc
+ .long Lset10
+ .byte 1 ## DW_AT_frame_base
+ .byte 86
+ ## DW_AT_call_all_calls
+ .long 194 ## DW_AT_name
+ .byte 1 ## DW_AT_decl_file
+ .byte 20 ## DW_AT_decl_line
+ .long 282 ## DW_AT_type
+ ## DW_AT_external
+ ## DW_AT_APPLE_optimized
+ .byte 13 ## Abbrev [13] 0x10f:0x18 DW_TAG_call_site
+ .long 195 ## DW_AT_call_origin
+ .quad Ltmp4 ## DW_AT_call_return_pc
+ .byte 14 ## Abbrev [14] 0x11c:0xa DW_TAG_call_site_parameter
+ .byte 1 ## DW_AT_location
+ .byte 85
+ .byte 6 ## DW_AT_call_value
+ .byte 16
+ .ascii "\201\202\220\245\006"
+ .byte 0 ## End Of Children Mark
+ .byte 0 ## End Of Children Mark
+ .byte 9 ## Abbrev [9] 0x128:0x7 DW_TAG_base_type
+ .long 199 ## DW_AT_name
+ .byte 5 ## DW_AT_encoding
+ .byte 4 ## DW_AT_byte_size
+ .byte 0 ## End Of Children Mark
+Ldebug_info_end0:
Index: lldb/source/Core/ValueObjectChild.cpp
===================================================================
--- lldb/source/Core/ValueObjectChild.cpp
+++ lldb/source/Core/ValueObjectChild.cpp
@@ -199,11 +199,7 @@
// try to extract the child value from the parent's scalar value
{
Scalar scalar(m_value.GetScalar());
- if (m_bitfield_bit_size)
- scalar.ExtractBitfield(m_bitfield_bit_size,
- m_bitfield_bit_offset);
- else
- scalar.ExtractBitfield(8 * m_byte_size, 8 * m_byte_offset);
+ scalar.ExtractBitfield(8 * m_byte_size, 8 * m_byte_offset);
m_value.GetScalar() = scalar;
}
break;
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