| # REQUIRES: x86, zlib | |
| # RUN: yaml2obj %s -o %t.o | |
| ## LLD uses zlib compression of level 1 by default. Unlike previous versions, | |
| ## -O does not change the level. | |
| # 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: cmp %t.default %t.O0 | |
| # RUN: ld.lld -O2 %t.o -o %t.O2 --compress-debug-sections=zlib | |
| # RUN: cmp %t.default %t.O2 | |
| ## --compression-level specifies the level. | |
| # RUN: ld.lld %t.o -o %t.6 --compress-sections=.debug_info=zlib:6 | |
| # RUN: llvm-readelf --sections %t.6 | FileCheck -check-prefixes=HEADER,LEVEL6 %s | |
| # HEADER: [Nr] Name Type Address Off Size | |
| # LEVEL1: [ 1] .debug_info PROGBITS 00000000 000094 0000{{1[cdef]|2[01]}} | |
| # LEVEL6: [ 1] .debug_info PROGBITS 00000000 000094 00001{{[abc]}} | |
| ## 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: '010101010101010201010201010101010101010201010201010101010101010201010201' |