75f770a68f
When output range is only one entry, and input is low_pc/high_pc do not convert to ranges. This helps with size of .debug_ranges/.debug_rnglists. It also helps when either low_pc/high_pc is 0. We not generating potentially invalid ranges that result in LLDB error. Also fixed handling of DW_AT_subprogram with ranges. This can be created with -fbasic-block-sections=all. Reviewed By: maksfb Differential Revision: https://reviews.llvm.org/D156374
26 lines
1.0 KiB
Plaintext
26 lines
1.0 KiB
Plaintext
# REQUIRES: system-linux
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# RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %p/Inputs/dwarf5-subprogram-single-ranges-main.s -o %t1.o
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# RUN: %clang %cflags %t1.o -o %t.exe -Wl,-q
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# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections
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# RUN: llvm-objdump %t.bolt --disassemble > %t1.txt
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# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt >> %t1.txt
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# RUN: cat %t1.txt | FileCheck --check-prefix=POSTCHECK %s
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# This test checks BOLT correctly handles DW_TAG_subprogram with Ranges with single entry.
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# POSTCHECK: _Z7doStuffi>:
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# POSTCHECK: [[#%.6x,ADDR:]]
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# POSTCHECK: DW_TAG_subprogram
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# POSTCHECK-NEXT: DW_AT_frame_base
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# POSTCHECK-NEXT: DW_AT_linkage_name
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# POSTCHECK-SAME: _Z7doStuffi
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# POSTCHECK-NEXT: DW_AT_name
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# POSTCHECK-NEXT: DW_AT_decl_file
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# POSTCHECK-NEXT: DW_AT_decl_line
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# POSTCHECK-NEXT: DW_AT_type
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# POSTCHECK-NEXT: DW_AT_external
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# POSTCHECK-NEXT: DW_AT_low_pc [DW_FORM_addrx] (indexed (00000000) address = 0x0000000000[[#ADDR]])
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# POSTCHECK-NEXT: DW_AT_high_pc [DW_FORM_data4] (0x0000001b)
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