| # REQUIRES: x86 |
| ## Test that the address range contributed by an ICF folded function is identical |
| ## to that of the folded-in function. Not considering ICF may lead to an address |
| ## range whose low address equals the start address of the output section. |
| |
| # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o |
| # RUN: ld.lld --gdb-index --icf=all -Ttext=0x1000 %t.o -o %t |
| # RUN: llvm-dwarfdump --gdb-index %t | FileCheck %s |
| |
| # CHECK: Address area offset = 0x38, has 2 entries: |
| # CHECK-NEXT: Low/High address = [0x1001, 0x1002) (Size: 0x1), CU id = 0 |
| # CHECK-NEXT: Low/High address = [0x1001, 0x1002) (Size: 0x1), CU id = 1 |
| |
| .text |
| nop |
| |
| .section .text.0,"ax" |
| .Lfunc_begin0: |
| ret |
| .Lfunc_end0: |
| |
| .section .text.1,"ax" |
| .Lfunc_begin1: |
| ret |
| .Lfunc_end1: |
| |
| .section .debug_abbrev,"",@progbits |
| .byte 1 # Abbreviation Code |
| .byte 65 # DW_TAG_type_unit |
| .byte 0 # DW_CHILDREN_no |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| |
| .byte 2 # Abbreviation Code |
| .byte 17 # DW_TAG_compile_unit |
| .byte 0 # DW_CHILDREN_no |
| .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 0 # EOM(3) |
| |
| .section .debug_info,"",@progbits |
| .Lcu_begin0: |
| .long .Lcu_end0-.Lcu_begin0-4 # Length of Unit |
| .short 5 # DWARF version number |
| .byte 1 # DWARF Unit Type |
| .byte 8 # Address Size |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| .byte 2 # Abbrev [2] DW_TAG_compile_unit |
| .quad .Lfunc_begin0 # DW_AT_low_pc |
| .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc |
| .Lcu_end0: |
| |
| .Lcu_begin1: |
| .long .Lcu_end1-.Lcu_begin1-4 # Length of Unit |
| .short 5 # DWARF version number |
| .byte 1 # DWARF Unit Type |
| .byte 8 # Address Size |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| .byte 2 # Abbrev [2] DW_TAG_compile_unit |
| .quad .Lfunc_begin1 # DW_AT_low_pc |
| .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc |
| .Lcu_end1: |