compressed-debug-level.test
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# REQUIRES: x86, zlib
# RUN: yaml2obj %s -o %t.o
# RUN: ld.lld %t.o -o %t.default --compress-debug-sections=zlib
# RUN: llvm-readelf --sections %t.default | FileCheck -check-prefixes=HEADER,LEVEL1 %s
# RUN: ld.lld -O0 %t.o -o %t.O0 --compress-debug-sections=zlib
# RUN: llvm-readelf --sections %t.O0 | FileCheck -check-prefixes=HEADER,LEVEL1 %s
# RUN: cmp %t.default %t.O0
# RUN: ld.lld -O1 %t.o -o %t.O1 --compress-debug-sections=zlib
# RUN: llvm-readelf --sections %t.O1 | FileCheck -check-prefixes=HEADER,LEVEL1 %s
# RUN: cmp %t.default %t.O1
# RUN: ld.lld -O2 %t.o -o %t.O2 --compress-debug-sections=zlib
# RUN: llvm-readelf --sections %t.O2 | FileCheck -check-prefixes=HEADER,LEVEL6 %s
## LLD uses zlib compression of level 1 when -O0, -O1 and level 6 when -O2.
## Here we check how -O flag affects the size of compressed sections produced.
# HEADER: [Nr] Name Type Address Off Size
# LEVEL1: [ 1] .debug_info PROGBITS 00000000 000094 00001c
# LEVEL6: [ 1] .debug_info PROGBITS 00000000 000094 00001a
## A little arbitrary debug section which has a different size after
## applying compression of level 1 and 6.
--- !ELF
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_386
Sections:
- Name: .debug_info
Type: SHT_PROGBITS
Content: '010101010101010201010201'