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eabaf3ba85
This is primarily used for .rodata.cst* duplicate elimination. The sections are usually much smaller than .debug_str (D154813), so the speedup is negligible. We do this switch for consistency as we want to eliminate xxh64 in lld.
40 lines
1.1 KiB
ArmAsm
40 lines
1.1 KiB
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
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# RUN: ld.lld %t.o -o %t
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# RUN: llvm-readelf -S %t | FileCheck --check-prefix=SEC %s
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# RUN: llvm-readelf -x .cst %t | FileCheck --check-prefix=HEX %s
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# RUN: ld.lld -O0 -r %t.o -o %t1.o
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# RUN: llvm-readelf -S %t1.o | FileCheck --check-prefix=SEC %s
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# RUN: llvm-readelf -x .cst %t1.o | FileCheck --check-prefix=HEX %s
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## Check that SHF_MERGE sections with the same name, sh_flags and sh_entsize
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## are grouped together and can be merged within the group.
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## .cst 0 and .cst 1 are merged (sh_entsize=4). The result and .cst 2 and
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## combined (sh_entsize=8). The output sh_entsize is 0.
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# SEC: Name Type {{.*}} Size ES Flg Lk Inf Al
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# SEC: .cst PROGBITS {{.*}} 000020 00 AM 0 0 8
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# HEX: Hex dump of section '.cst':
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# HEX-NEXT: [[#%x,]] 00000000 02000000 01000000 00000000
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# HEX-NEXT: [[#%x,]] 01000000 00000000 03000000 00000000
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.section .cst,"aM",@progbits,4,unique,0
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.align 2
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.long 1
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.long 0
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.long 2
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.section .cst,"aM",@progbits,4,unique,1
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.align 4
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.long 1
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.long 0
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.long 2
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.section .cst,"aM",@progbits,8,unique,2
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.align 8
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.quad 1
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.quad 3
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