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Fangrui Song d054c7ee2e Add test utility 'extract' 
See https://lists.llvm.org/pipermail/llvm-dev/2020-July/143373.html
"[llvm-dev] Multiple documents in one test file" for some discussions.

`extract part filename` splits the input file into multiple parts separated by
regex `^(.|//)--- ` and extract the specified part to stdout or the
output file (if specified).

Use case A (organizing input of different formats (e.g. linker
script+assembly) in one file).

```
// RUN: extract lds %s -o %t.lds
// RUN: extract asm %s -o %t.s
// RUN: llvm-mc %t.s -o %t.o
// RUN: ld.lld -T %t.lds %t.o -o %t
This is sometimes better than the %S/Inputs/ approach because the user
can see the auxiliary files immediately and don't have to open another file.
```

Use case B (for utilities which don't have built-in input splitting
feature):

```
// RUN: extract case1 %s | llc | FileCheck %s --check-prefix=CASE1
// RUN: extract case2 %s | llc | FileCheck %s --check-prefix=CASE2
Combing tests prudently can improve readability.
This is sometimes better than having multiple test files.
```

Since this is a new utility, there is no git history concerns for
UpperCase variable names. I use lowerCase variable names like mlir/lld.

Reviewed By: jhenderson

Differential Revision: https://reviews.llvm.org/D83834
2020-07-23 19:15:35 -07:00
..
Inputs
[test] Re-enable accidentally disabled X86 tests
2020-03-19 09:29:23 -07:00
abs-symbol.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
add-gnu-debuglink.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
add-note.test
[llvm-readobj] Include section name of notes.
2020-03-05 09:53:14 -08:00
add-section-remove.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
add-section-special.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
add-section.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
add-symbol-new-symbol-visibility.test
[llvm-objcopy] Allow the visibility of symbols created by --binary and
2019-08-30 10:17:16 +00:00
add-symbol-new-symtab.test
[llvm-objcopy] Fix crash when removing symbol table at same time as adding a symbol
2020-07-05 05:14:00 +03:00
add-symbol-no-symtab.test
[yaml2obj] - Change the order of implicitly created sections.
2020-02-19 15:09:19 +03:00
add-symbol.test
[yaml2obj] - Set a default value for PAddr property of a program header to a value of VAddr
2020-03-14 17:44:57 +03:00
adjacent-segments.test
…
archive-unknown-members.test
…
armexidx-link.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
auto-remove-shndx.test
…
bad-build-id.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
bad-output-format.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
basic-archive-copy.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
basic-binary-copy.test
[Tests] Output of od can be lower or upper case (llvm-objcopy/yaml2obj).
2019-10-11 12:50:57 +00:00
basic-copy.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
basic-keep.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
basic-only-section.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
basic-relocations.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
binary-first-seg-offset-zero.test
[yaml2obj] - Set a default value for PAddr property of a program header to a value of VAddr
2020-03-14 17:44:57 +03:00
binary-input-and-output.test
[llvm-objcopy] Default --output-target to --input-target when unspecified
2019-09-14 01:36:16 +00:00
binary-input-error.test
[llvm-objcopy] Ignore -B --binary-architecture=
2019-09-14 01:36:31 +00:00
binary-input.test
[llvm-objcopy] Add --set-section-alignment
2019-10-02 12:41:25 +00:00
binary-no-paddr.test
[llvm-objcopy] Don't specialize the all zero p_paddr case
2020-04-27 11:20:41 -07:00
binary-out-error.test
…
binary-output-empty.test
…
binary-output-target.test
Support bfdname "elf32-hexagon".
2020-04-06 17:22:56 -05:00
binary-paddr.test
[llvm-objcopy] -O binary: skip empty sections
2020-05-01 14:25:37 -07:00
binary-remove-all-but-one.test
[yaml2obj] - Set a default value for PAddr property of a program header to a value of VAddr
2020-03-14 17:44:57 +03:00
binary-remove-end.test
[yaml2obj] - Set a default value for PAddr property of a program header to a value of VAddr
2020-03-14 17:44:57 +03:00
binary-remove-middle.test
[yaml2obj] - Set a default value for PAddr property of a program header to a value of VAddr
2020-03-14 17:44:57 +03:00
binary-segment-layout.test
[Tests] Output of od can be lower or upper case (llvm-objcopy/yaml2obj).
2019-10-11 12:50:57 +00:00
build-id-link-dir.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
cannot-delete-dest.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
change-entry-point.test
…
check-addr-offset-align-binary.test
[yaml2obj] - Set a default value for PAddr property of a program header to a value of VAddr
2020-03-14 17:44:57 +03:00
check-addr-offset-align.test
[yaml2obj] - Set a default value for PAddr property of a program header to a value of VAddr
2020-03-14 17:44:57 +03:00
common-symbol.test
[Hexagon][llvm-objcopy] Add missing check for SHN_HEXAGON_SCOMMON_1
2020-06-24 19:56:01 -05:00
compress-and-decompress-debug-sections-error.test
…
compress-debug-sections-default-gnu.test
…
compress-debug-sections-default.test
…
compress-debug-sections-groups.test
…
compress-debug-sections-invalid-format.test
…
compress-debug-sections-symbols.test
…
compress-debug-sections-zlib-gnu.test
…
compress-debug-sections-zlib-header.test
…
compress-debug-sections-zlib.test
…
compress-debug-sections.test
…
copy-after-strip-sections.test
…
copy-osabi.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
cross-arch-headers.test
[Object] Use BFD name for little-endian PowerPC64
2020-04-19 20:10:05 -07:00
cross-arch-sections-symbols.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
deterministic-archive.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
discard-all-debug.test
…
discard-all.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
discard-locals-rel.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
discard-locals.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
discard-mix-local-and-all.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
drawf-fission.test
…
dump-section-before-add-remove.test
[llvm-objcopy] Reorder --dump-section before --remove-section for ELF
2020-06-05 10:45:51 -07:00
dump-section.test
[llvm-objcopy][ELF] Allow --dump-section to dump an empty non-SHT_NOBITS section
2020-05-05 08:26:34 -07:00
dynamic-relocations.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
dynamic.test
…
dynrelocsec-remove-shinfo-reference.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
dynrelocsec-remove-shlink-reference.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
dynstr.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
dynsym-error-remove-strtab.test
…
dynsym.test
…
elf32be.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
elf32le.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
elf64be.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
empty-section.test
[yaml2obj] - Set a default value for PAddr property of a program header to a value of VAddr
2020-03-14 17:44:57 +03:00
error-format.test
[llvm-objcopy][test] Add a test to show that argv[0] is included in error/warning messages
2019-08-20 15:34:07 +00:00
explicit-keep-remove.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
explicit-only-section-remove.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
fail-no-output-directory.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
globalize.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
group-addr-misaligned.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
group-big-endian.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
group-reorder.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
group-unchanged.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
group.test
[llvm-objcopy] Emit error if removing symtab referenced by group section
2020-06-29 10:42:03 +01:00
hexagon-unsupported-on-x86.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
identical-segments.test
…
ihex-reader.test
…
ihex-writer.test
…
input-output-target.test
[llvm-objcopy][test] Clean up -B tests
2019-09-25 03:41:01 +00:00
invalid-e_phoff.test
…
invalid-e_shoff.test
[yaml2obj][obj2yaml] - Do not create a symbol table by default.
2019-10-20 14:47:17 +00:00
invalid-p_filesz-p_offset.test
[yaml2obj] - Program headers: add an additional check for Offset
2020-04-22 12:49:05 +03:00
invalid-preserve-dates.test
…
keep-file-symbols.test
Reland D76675 [llvm-objcopy] Match GNU behaviour regarding file symbols
2020-04-20 21:18:48 -07:00
keep-global-symbols-mix-globalize.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
keep-global-symbols.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
keep-many.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
keep-only-section.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
keep-symbol-remove-section.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
keep-symbol.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
linked-section.test
…
localize-hidden.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
localize.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
many-sections.test
[Object] Change ELFObjectFile<ELFT>::getFileFormatName() to use BFD names
2020-03-16 07:42:04 -07:00
marker-segment.test
[yaml2obj] - Set a default value for PAddr property of a program header to a value of VAddr
2020-03-14 17:44:57 +03:00
mirror-permissions-unix.test
…
mirror-permissions-win.test
…
new-symbol-visibility.test
[llvm-objcopy] Default --output-target to --input-target when unspecified
2019-09-14 01:36:16 +00:00
no-build-id-no-notes.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
no-build-id.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
no-strip-all.test
[yaml2obj][obj2yaml] - Do not create a symbol table by default.
2019-10-20 14:47:17 +00:00
no-symbol-relocation.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
null-symbol.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
objcopy-version.test
…
only-keep-debug.test
[yaml2obj] - Set a default value for PAddr property of a program header to a value of VAddr
2020-03-14 17:44:57 +03:00
only-section-many.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
only-section-remove-strtab.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
only-section-strip-non-alloc.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
only-section-strip-undefined.test
[llvm-objcopy][test] Fix tests when path contains "bar"
2020-01-30 17:56:12 -08:00
overlap-chain.test
…
overlapping-sections-in-segments.test
[llvm-objcopy] - Remove python invocations from 2 test cases.
2019-09-17 08:38:53 +00:00
overlapping-sections.test
[llvm-objcopy] - Remove python invocations from 2 test cases.
2019-09-17 08:38:53 +00:00
parent-loop-check.test
[yaml2obj] - Set a default value for PAddr property of a program header to a value of VAddr
2020-03-14 17:44:57 +03:00
partitions.test
[llvm-readelf] Make --all output order closer to GNU readelf
2020-03-04 12:22:12 -08:00
prefix-alloc-sections-dynrelocsec.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
prefix-alloc-sections.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
prefix-symbols.test
[tools][tests] - Use --check-prefixes instead of multiple --check-prefix. NFCI.
2020-04-17 12:35:25 +03:00
preserve-segment-contents-ehdr-phdrs.test
[yaml2obj][obj2yaml] - Do not create a symbol table by default.
2019-10-20 14:47:17 +00:00
preserve-segment-contents.test
[yaml2obj] - Allocate the file space for SHT_NOBITS sections in some cases.
2020-06-11 12:54:53 +03:00
program-headers.test
…
pt-phdr.test
…
redefine-symbol.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
regex.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
reloc-error-remove-symtab.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
reloc-no-symtab.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
relocatable-phdr.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
relocations-no-symtab.test
[llvm-objcopy] - Do not crash on object that has relocations but no symbol table.
2019-10-30 13:17:22 +03:00
remove-linked-section.test
…
remove-multiple-sections.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
remove-section-group.test
[llvm-objcopy][ELF] Fix removing SHT_GROUP sections.
2020-05-29 20:24:53 +07:00
remove-section-in-group.test
[llvm-objcopy][ELF] Fix removing a group member.
2020-05-29 20:24:53 +07:00
remove-section-in-segment.test
…
remove-section-with-symbol.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
remove-section.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
remove-shndx.test
…
remove-shstrtab-error.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
remove-symtab.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
rename-section-and-prefix-alloc-sections.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
rename-section-duplicate-names.test
…
rename-section-empty-string.test
…
rename-section-flag-osproc-mask.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
rename-section-flag-preserved.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
rename-section-flag.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
rename-section-multiple.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
rename-section.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
respect-umask.test
…
response-file.test
[llvm-objcopy] Add support for response files in llvm-strip and llvm-objcopy
2019-09-14 01:14:43 +00:00
same-file-strip.test
[llvm-objcopy] Append '\n' to warning messages
2019-08-20 15:00:07 +00:00
section-index-unsupported.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
sectionless-segment.test
…
segment-shift-section-remove.test
[yaml2obj] - Set a default value for PAddr property of a program header to a value of VAddr
2020-03-14 17:44:57 +03:00
segment-shift.test
[yaml2obj] - Set a default value for PAddr property of a program header to a value of VAddr
2020-03-14 17:44:57 +03:00
segment-test-remove-section.test
[yaml2obj][obj2yaml] - Do not create a symbol table by default.
2019-10-20 14:47:17 +00:00
set-section-alignment.test
[yaml2obj, obj2yaml] - Add support for SHT_NOTE sections.
2019-10-25 13:25:56 +03:00
set-section-flags-and-rename.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
set-section-flags-multiple.test
[LLVM/tools][test] - Remove/fix dead check prefixes.
2020-04-15 13:09:51 +03:00
set-section-flags.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
shared-strtab-shstrtab.s
Make test more robust
2020-04-06 14:47:05 +01:00
shstrtab-optimize.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
standard-streams.test
…
strict-no-add.test
…
strip-all-and-keep-symbol.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-all-and-remove.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-all-gnu.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-all.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-debug-and-remove.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-debug.test
Reland D76675 [llvm-objcopy] Match GNU behaviour regarding file symbols
2020-04-20 21:18:48 -07:00
strip-dwo-groups.test
[yaml2obj] - Stop using square brackets for unique suffixes.
2020-05-19 12:59:13 +03:00
strip-dwo-inplace.test
…
strip-group-symbol.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-multiple-files.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-non-alloc.test
[llvm-objcopy][test] Improve empty section tests
2020-02-26 08:57:23 -08:00
strip-preserve-arm-attributes.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-preserve-atime.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-preserve-mtime.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-reloc-symbol.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-section-err.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-sections-keep.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-sections-only-section.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-sections.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-symbol-and-relocation.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-symbol.test
Add test utility 'extract'
2020-07-23 19:15:35 -07:00
strip-unneeded-all-symbols.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-unneeded-remove-debug-keep-link.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-unneeded.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
strip-version.test
…
strtab-optimize.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
symbol-copy.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
symbol-empty-name.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
symtab-error-on-remove-strtab.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
symtab-link.test
[test] Use yaml2obj -o %t instead of > %t
2020-01-21 17:20:18 -08:00
tail-merged-string-tables.test
[llvm-objcopy][test] Fix tests when path contains "bar"
2020-01-30 17:56:12 -08:00
triple-overlap.test
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two-seg-remove-end.test
[yaml2obj] - Set a default value for PAddr property of a program header to a value of VAddr
2020-03-14 17:44:57 +03:00
two-seg-remove-first.test
[yaml2obj] - Set a default value for PAddr property of a program header to a value of VAddr
2020-03-14 17:44:57 +03:00
two-seg-remove-third-sec.test
[yaml2obj] - Set a default value for PAddr property of a program header to a value of VAddr
2020-03-14 17:44:57 +03:00
weaken-all.test
[test] Use yaml2obj -o %t instead of > %t
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weaken.test
[test] Use yaml2obj -o %t instead of > %t
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wildcard-flags.test
[test] Use yaml2obj -o %t instead of > %t
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wildcard-syntax.test
[test] Use yaml2obj -o %t instead of > %t
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