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llvm-project/lld/test/ELF/gc-merge-local-sym.s

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[lld] Add REQUIRES: x86 where needed to tests If building lld without x86 support, tests that require that support should be treated as unsupported, not errors. Tested using: 1. cmake '-DLLVM_TARGETS_TO_BUILD=AArch64;X86' make check-lld => Expected Passes : 1406 Unsupported Tests : 287 2. cmake '-DLLVM_TARGETS_TO_BUILD=AArch64' make check-lld => Expected Passes : 410 Unsupported Tests : 1283 Patch by Joel Jones Differential Revision: https://reviews.llvm.org/D47748 llvm-svn: 334095
2018-06-06 21:56:51 +08:00
// REQUIRES: x86
Add a reduction of the recent bootstrap failure. llvm-svn: 267202
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// RUN: llvm-mc %s -o %t.o -filetype=obj -triple=x86_64-pc-linux
Add missing options that were required to crash. llvm-svn: 267204
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// RUN: ld.lld %t.o -o %t.so -shared -O3 --gc-sections
[test] Change llvm-readobj -long-option to --long-option or well-known short options. NFC Also change some options that have different semantics (cause confusion) in llvm-readelf mode: -s => -S -t => --symbols -sd => --section-data llvm-svn: 359651
2019-05-01 13:49:01 +08:00
// RUN: llvm-readobj -S --section-data --symbols %t.so | FileCheck %s
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// CHECK: Name: .rodata
// CHECK-NEXT: Type: SHT_PROGBITS
// CHECK-NEXT: Flags [
// CHECK-NEXT: SHF_ALLOC
// CHECK-NEXT: SHF_MERGE
// CHECK-NEXT: SHF_STRINGS
// CHECK-NEXT: ]
[ELF] Make non-writable non-executable PROGBITS sections closer to .text This generalizes the old heuristic placing SHT_DYNSYM SHT_DYNSTR first in the readonly SHF_ALLOC segment. Reviewers: espindola Subscribers: emaste, arichardson, llvm-commits Differential Revision: https://reviews.llvm.org/D48406 llvm-svn: 335674
2018-06-27 06:13:32 +08:00
// CHECK-NEXT: Address: 0x235
Add a reduction of the recent bootstrap failure. llvm-svn: 267202
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// CHECK-NEXT: Offset:
Bring r267164 back with a fix. The fix is to handle local symbols referring to SHF_MERGE sections. Original message: GC entries of SHF_MERGE sections. It is a fairly direct extension of the gc algorithm. For merge sections instead of remembering just a live bit, we remember which offsets were used. This reduces the .rodata sections in chromium from 9648861 to 9477472 bytes. llvm-svn: 267233
2016-04-23 06:09:35 +08:00
// CHECK-NEXT: Size: 4
Add a reduction of the recent bootstrap failure. llvm-svn: 267202
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// CHECK-NEXT: Link: 0
// CHECK-NEXT: Info: 0
// CHECK-NEXT: AddressAlignment: 1
Propagate sh_entsize out. No difference in practice other than having sh_entsize in the output. This should simplify the patch for handling SHF_MERGE in -r. Based on a patch by George Rimar. llvm-svn: 318306
2017-11-16 00:56:20 +08:00
// CHECK-NEXT: EntrySize: 1
Add a reduction of the recent bootstrap failure. llvm-svn: 267202
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// CHECK-NEXT: SectionData (
Bring r267164 back with a fix. The fix is to handle local symbols referring to SHF_MERGE sections. Original message: GC entries of SHF_MERGE sections. It is a fairly direct extension of the gc algorithm. For merge sections instead of remembering just a live bit, we remember which offsets were used. This reduces the .rodata sections in chromium from 9648861 to 9477472 bytes. llvm-svn: 267233
2016-04-23 06:09:35 +08:00
// CHECK-NEXT: 0000: 61626300 |abc.|
Add a reduction of the recent bootstrap failure. llvm-svn: 267202
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// CHECK-NEXT: )
// CHECK: Symbols [
// CHECK: Symbol {
Bring r267164 back with a fix. The fix is to handle local symbols referring to SHF_MERGE sections. Original message: GC entries of SHF_MERGE sections. It is a fairly direct extension of the gc algorithm. For merge sections instead of remembering just a live bit, we remember which offsets were used. This reduces the .rodata sections in chromium from 9648861 to 9477472 bytes. llvm-svn: 267233
2016-04-23 06:09:35 +08:00
// CHECK-NOT: Name: bar
Add a reduction of the recent bootstrap failure. llvm-svn: 267202
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.global foo
foo:
leaq .L.str(%rip), %rsi
.section .rodata.str1.1,"aMS",@progbits,1
.L.str:
.asciz "abc"
bar:
.asciz "def"