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llvm-project/lld/test/ELF/lto
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Rafael Espindola 469350810a Refine our --wrap implementation. 
Before this patch we would copy foo into real_foo and wrap_foo into
foo. The net result is that __wrap_foo shows up twice in the symbol
table.

With this patch we:

* save a copy of __real_foo before copying foo.
* drop one of the __wrap_foo from the symbol table.
* if __real_foo was not undefined, add a *new* symbol with that content to
  the symbol table.

The net result is that

Anything using foo now uses __wrap_foo
Anything using __real_foo now uses foo.
Anything using __wrap_foo still does.

And the symbol table has foo, __wrap_foo and __real_foo (if defined).

Which I think is the desired behavior.

llvm-svn: 315097
 		2017-10-06 20:09:34 +00:00
..
Inputs [ELF] - LTO: do not optimize away symbols accessed from linkerscript. 2017-09-25 09:31:43 +00:00
archive-2.ll
…
archive-3.ll [ELF/LTO] Switch to the new resolution-based API. 2016-09-29 00:40:08 +00:00
archive-no-index.ll Accept archive files with no symbol table instad of warning on them. 2017-05-03 21:03:08 +00:00
archive.ll Removed a test that should've been removed with r282916. 2016-09-30 20:17:26 +00:00
asmundef.ll LTO: Mark undefined module asm symbols as used. 2017-04-26 17:53:39 +00:00
available-externally.ll Fix errors in r308335 and add "REQUIRES: x86" to one more file. 2017-07-18 18:51:43 +00:00
bitcode-nodatalayout.ll [LTO] Catch up with llvm. Modules without DL are now considered invalid. 2016-12-14 21:58:26 +00:00
cache.ll Add parens for python3. 2017-06-23 17:11:50 +00:00
codemodel.ll [ELF] - Allow the Code Model flag when using LTO 2017-02-28 23:43:26 +00:00
combined-lto-object-name.ll Change the error message format for undefined symbols. 2017-03-30 19:13:47 +00:00
comdat.ll
…
comdat2.ll [LLD] Mark a number of x86 only tests to require x86 2017-07-18 18:40:50 +00:00
common.ll
…
common2.ll [LLD] Mark a number of x86 only tests to require x86 2017-07-18 18:40:50 +00:00
common3.ll [LLD] Mark a number of x86 only tests to require x86 2017-07-18 18:40:50 +00:00
ctors.ll
…
data-ordering-lto.s [LTO] Make sure symbol ordering is honoured also for data. 2017-07-24 20:15:07 +00:00
defsym.ll [LTO] Add a test for ThinLTO + --defsym. 2017-07-07 16:40:19 +00:00
discard-value-names.ll [LLD] Mark a number of x86 only tests to require x86 2017-07-18 18:40:50 +00:00
drop-debug-info.ll [ELF/LTO] Switch to the new resolution-based API. 2016-09-29 00:40:08 +00:00
drop-linkage.ll [ELF/LTO] Switch to the new resolution-based API. 2016-09-29 00:40:08 +00:00
duplicated-name.ll Remember archive name when creating LazyObjectFile. 2017-05-05 13:55:51 +00:00
duplicated.ll Change the error message format for duplicate symbols. 2017-03-31 23:40:21 +00:00
dynamic-list.ll
…
dynsym.ll [GC] Don't crash when printing the special Discarded GC section. 2016-09-19 23:15:51 +00:00
inline-asm.ll
…
internalize-basic.ll [ELF/LTO] Switch to the new resolution-based API. 2016-09-29 00:40:08 +00:00
internalize-exportdyn.ll [ELF/LTO] Switch to the new resolution-based API. 2016-09-29 00:40:08 +00:00
internalize-llvmused.ll [ELF/LTO] Switch to the new resolution-based API. 2016-09-29 00:40:08 +00:00
internalize-undef.ll [ELF/LTO] Switch to the new resolution-based API. 2016-09-29 00:40:08 +00:00
internalize-version-script.ll [ELF/LTO] Switch to the new resolution-based API. 2016-09-29 00:40:08 +00:00
irmover-error.ll [ELF/LTO] Switch to the new resolution-based API. 2016-09-29 00:40:08 +00:00
keep-undefined.ll [ELF] Keep symbols specified by '-u' over LTO. 2017-10-03 12:17:59 +00:00
linkage.ll
…
linker-script-symbols-assign.ll [ELF] - Remove wrong comment from testcase. 2017-09-26 13:35:00 +00:00
linker-script-symbols-ipo.ll [ELF] - LTO: do not optimize away symbols accessed from linkerscript. 2017-09-25 09:31:43 +00:00
linker-script-symbols.ll [ELF] - Fix for "Bug 34238 - LTO is optimizing away symbols referenced from linker scripts" 2017-08-23 08:37:22 +00:00
linkonce-odr.ll [ELF/LTO] Switch to the new resolution-based API. 2016-09-29 00:40:08 +00:00
linkonce.ll [ELF/LTO] Switch to the new resolution-based API. 2016-09-29 00:40:08 +00:00
lto-start.ll
…
ltopasses-basic.ll [ELF/LTO] Switch to the new resolution-based API. 2016-09-29 00:40:08 +00:00
ltopasses-custom.ll [ELF/LTO] Switch to the new resolution-based API. 2016-09-29 00:40:08 +00:00
metadata.ll Fix TBAA metadata 2016-12-11 21:10:11 +00:00
mix-platforms.ll
…
module-asm.ll
…
opt-level.ll [ELF] - LTO: Try to be option compatible with the gold plugin. 2017-08-14 10:17:30 +00:00
opt-remarks.ll [lld] Update Tests for Emitting Single Inline Remark 2017-08-21 16:41:59 +00:00
parallel-internalize.ll ELF: Simplify naming of object files created with save-temps. 2017-01-26 02:18:28 +00:00
parallel.ll ELF: Simplify naming of object files created with save-temps. 2017-01-26 02:18:28 +00:00
pic.ll
…
relax-relocs.ll [LLD] Mark a number of x86 only tests to require x86 2017-07-18 18:40:50 +00:00
relocatable.ll [ELF] - Make IR symbols be visible when doing relocatable link. 2017-08-22 08:36:54 +00:00
relocation-model.ll [lld] Infer relocation model from module flags in relocatable LTO link. 2017-05-22 21:11:44 +00:00
resolution.ll
…
save-temps.ll [ELF] - LTO: Try to be option compatible with the gold plugin. 2017-08-14 10:17:30 +00:00
section-name.ll Add --gc-sections to a test. 2017-07-26 23:47:24 +00:00
shlib-undefined.ll lld: Default image base address to 0x200000 on x86-64 2016-11-23 17:44:02 +00:00
start-lib.ll
…
symbol-ordering-lto.s [ELF] Fix a typo introduced in r308915. 2017-07-24 20:18:16 +00:00
thin-archivecollision.ll [LLD] Mark a number of x86 only tests to require x86 2017-07-18 18:40:50 +00:00
thinlto.ll [LLD] Mark a number of x86 only tests to require x86 2017-07-18 18:40:50 +00:00
timepasses.ll [ELF] Clarify why `lld -flavor gnu` is used. 2016-11-14 18:20:20 +00:00
tls-mixed.ll
…
tls-preserve.ll
…
type-merge.ll [ELF/LTO] Switch to the new resolution-based API. 2016-09-29 00:40:08 +00:00
type-merge2.ll [LLD] Mark a number of x86 only tests to require x86 2017-07-18 18:40:50 +00:00
undef-mixed.ll
…
undef-weak.ll
…
undef.ll
…
undefined-puts.ll ELF: Place relro sections after non-relro sections in r/w segment. 2017-01-10 01:21:30 +00:00
unnamed-addr-comdat.ll [LLD] Mark a number of x86 only tests to require x86 2017-07-18 18:40:50 +00:00
unnamed-addr-drop.ll [LLD] Mark a number of x86 only tests to require x86 2017-07-18 18:40:50 +00:00
unnamed-addr-lib.ll [ELF/LTO] Switch to the new resolution-based API. 2016-09-29 00:40:08 +00:00
unnamed-addr.ll [LLD] Mark a number of x86 only tests to require x86 2017-07-18 18:40:50 +00:00
verify-invalid.ll [ELF] - LTO: Try to be option compatible with the gold plugin. 2017-08-14 10:17:30 +00:00
version-script.ll [ELF/LTO] Switch to the new resolution-based API. 2016-09-29 00:40:08 +00:00
visibility.ll ELF: Place relro sections after non-relro sections in r/w segment. 2017-01-10 01:21:30 +00:00
weak.ll
…
wrap-1.ll Refactor duplicated code. 2017-10-05 00:35:47 +00:00
wrap-2.ll Refine our --wrap implementation. 2017-10-06 20:09:34 +00:00