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* [LTO] Make processing of combined module more consistentVitaly Buka2017-12-161-1/+14
| | | | | | | | | | | | | | | | | Summary: 1. Use stream 0 only for combined module. Previously if combined module was not processes ThinLTO used the stream for own output. However small changes in input, could trigger combined module and shuffle outputs making life of llvm::LTO harder. 2. Always process combined module and write output to stream 0. Processing empty combined module is cheap and allows llvm::LTO users to avoid implementing processing which is already done in llvm::LTO. Subscribers: mehdi_amini, inglorion, eraman, hiraditya Differential Revision: https://reviews.llvm.org/D41267 llvm-svn: 320905
* Updated llvm-objdump to display local relocations in Mach-O binariesMichael Trent2017-12-154-6/+13
| | | | | | | | | | | | | | | | | | | | | | | Summary: llvm-objdump's Mach-O parser was updated in r306037 to display external relocations for MH_KEXT_BUNDLE file types. This change extends the Macho-O parser to display local relocations for MH_PRELOAD files. When used with the -macho option relocations will be displayed in a historical format. All tests are passing for llvm, clang, and lld. llvm-objdump builds without compiler warnings. rdar://35778019 Reviewers: enderby Reviewed By: enderby Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D41199 llvm-svn: 320832
* [opt-viewer] Render utf-8 characters properly in the generated HTMLAdam Nemet2017-12-147-0/+7
| | | | llvm-svn: 320729
* [opt-viewer] Support unicode characters in function namesAdam Nemet2017-12-145-0/+188
| | | | | | | | | | This is a Swift feature. The output stream for the index page and the source HTML page is utf-8 now. The next patch will add the HTML magic to properly render these characters in the browser. llvm-svn: 320725
* [LLVMgold] Use platform dependent extension in testsEugene Leviant2017-12-1468-104/+104
| | | | | | Differential revision: https://reviews.llvm.org/D41238 llvm-svn: 320710
* [WebAssembly] Use bitfield types in wasm YAML representationSam Clegg2017-12-131-4/+4
| | | | | | Differential Revision: https://reviews.llvm.org/D41202 llvm-svn: 320642
* [dsymutil][test] Fix failing test when no lipo binary availableJonas Devlieghere2017-12-131-11/+0
| | | | | | | | The invocation without -no-output would try to lipo the different debug objects together. This wouldn't work on platforms that don't provide that utility. llvm-svn: 320605
* [dsymutil] Re-enable threadingJonas Devlieghere2017-12-132-1/+16
| | | | | | | | | | | | | | | | Threading was disabled in r317263 because it broke a test in combination with `-DLLVM_ENABLE_THREADS=OFF`. This was because a ThreadPool warning was piped to llvm-dwarfdump which was expecting to read an object from stdin. This patch re-enables threading and fixes the offending test. Unfortunately this required more than just moving the ThreadPool out of the for loop because of the TempFile refactoring that took place in the meantime. Differential revision: https://reviews.llvm.org/D41180 llvm-svn: 320601
* reverting out -r320532 because a warning is breaking the lld buildMichael Trent2017-12-134-13/+6
| | | | llvm-svn: 320534
* Updated llvm-objdump to display local relocations in Mach-O binariesMichael Trent2017-12-124-6/+13
| | | | | | | | | | | | | | | | | | Summary: llvm-objdump's Mach-O parser was updated in r306037 to display external relocations for MH_KEXT_BUNDLE file types. This change extends the Macho-O parser to display local relocations for MH_PRELOAD files. When used with the -macho option relocations will be displayed in a historical format. rdar://35778019 Reviewers: enderby Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D41061 llvm-svn: 320532
* [dsymutil] Accept line tables up to DWARFv5.Jonas Devlieghere2017-12-124-0/+46
| | | | | | | | | | | This patch removes the hard-coded check for DWARFv2 line tables. Now dsymutil accepts line tables for DWARF versions 2 to 5 (inclusive). Differential revision: https://reviews.llvm.org/D41084 rdar://35968319 llvm-svn: 320469
* [llvm-cov] Simplify a test case. NFC.Vedant Kumar2017-12-111-24/+5
| | | | llvm-svn: 320439
* [llvm-cov] Add an option for "export" command to emit only file summary data.Max Moroz2017-12-111-24/+27
| | | | | | | | | | | | | | Summary: That allows to get the same data as produced by "llvm-cov report", but in JSON format, which is better for further processing by end users. Reviewers: vsk Reviewed By: vsk Differential Revision: https://reviews.llvm.org/D41085 llvm-svn: 320435
* dwarfdump: Add support for the --diff option.Adrian Prantl2017-12-082-0/+7
| | | | | | | | | --diff Emit the output in a diff-friendly way by omitting offsets and addresses. <rdar://problem/34502625> llvm-svn: 320214
* Reverting r320166 to fix test failures.Michael Trent2017-12-082-6/+0
| | | | llvm-svn: 320174
* Updated llvm-objdump to display local relocations in Mach-O binariesMichael Trent2017-12-082-0/+6
| | | | | | | | | | | | | | | | | | | | Summary: llvm-objdump's Mach-O parser was updated in r306037 to display external relocations for MH_KEXT_BUNDLE file types. This change extends the Macho-O parser to display local relocations for MH_PRELOAD files. When used with the -macho option relocations will be displayed in a historical format. rdar://35778019 Reviewers: enderby Reviewed By: enderby Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D40867 llvm-svn: 320166
* [dsymutil] Add -verify option to run DWARF verifier after linking.Jonas Devlieghere2017-12-072-0/+9
| | | | | | | | | | | This patch adds support for running the DWARF verifier on the linked debug info files. If the -verify options is specified and verification fails, dsymutil exists with abort with non-zero exit code. This behavior is *not* enabled by default. Differential revision: https://reviews.llvm.org/D40777 llvm-svn: 320033
* [COFF] Ignore semicolons in module definition identifiersRui Ueyama2017-12-061-3/+9
| | | | | | | | | | | | | | | | Patch by David Major. The NSS project's .def files make heavy use of semicolons in a frightening attempt at portability: https://hg.mozilla.org/projects/nss/raw-file/tip/lib/ckfw/capi/nsscapi.def lld-link was treating the semicolon as part of the export name, resulting in unresolved symbols. This patch includes ';' in the list of characters to split on. Differential Revision: https://reviews.llvm.org/D39968 llvm-svn: 319933
* [opt-viewer] Suppress noisy Swift remarksAdam Nemet2017-12-065-0/+340
| | | | | | | | | Most likely, this is not how we want to handle this in the long term. This code should probably be in the Swift repo and somehow plugged into the opt-viewer. This is still however very experimental at this point so I don't want to over-engineer it at this point. llvm-svn: 319902
* Simplify test.Rafael Espindola2017-12-051-11/+7
| | | | | | It can use attrib instead of icacls. llvm-svn: 319809
* Delete temp file if rename fails.Rafael Espindola2017-12-051-0/+22
| | | | | | | | | | | | | | | | | | | Without this when lld failed to replace the output file it would leave the temporary behind. The problem is that the existing logic is - cancel the delete flag - rename We have to cancel first to avoid renaming and then crashing and deleting the old version. What is missing then is deleting the temporary file if the rename fails. This can be an issue on both unix and windows, but I am not sure how to cause the rename to fail reliably on unix. I think it can be done on ZFS since it has an ACL system similar to what windows uses, but adding support for checking that in llvm-lit is probably not worth it. llvm-svn: 319786
* [CodeGen] Unify MBB reference format in both MIR and debug outputFrancis Visoiu Mistrih2017-12-048-18/+18
| | | | | | | | | | | | | | | | As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
* [llvm-readobj] Print static MIPS GOTSimon Atanasyan2017-12-022-1/+38
| | | | | | | | | | If a linked binary file contains a dynamic section, the GOT layout defined by the dynamic section entries. In a statically linked file the GOT is just a series of entries. This change teaches `llvm-readobj` to print the GOT in that case. That provides a feature parity with GNU `readelf`. llvm-svn: 319616
* [AMDGPU] Convert test/tools/llvm-objdump/AMDGPU/source-lines.ll to amdgizYaxun Liu2017-11-301-21/+21
| | | | | | Differential Revision: https://reviews.llvm.org/D40653 llvm-svn: 319469
* [llvm-objcopy] Add support for --only-keep/-j and --keepJake Ehrlich2017-11-3012-0/+267
| | | | | | | | | | | | | This change adds support for the --only-keep option and the -j alias as well. A common use case for these being used together is to dump a specific section's data. Additionally the --keep option is added (GNU objcopy doesn't have this) to avoid removing a bunch of things. This allows people to err on the side of stripping aggressively and then to keep the specific bits that they need for their application. Differential Revision: https://reviews.llvm.org/D39021 llvm-svn: 319467
* [dsymutil] Upstream getBundleInfo implementationJonas Devlieghere2017-11-302-0/+50
| | | | | | | | | | | | | This patch implements `getBundleInfo`, which uses CoreFoundation to obtain information about the CFBundle. This information is needed to populate the Plist in the dSYM bundle. This change only applies to darwin and is an NFC as far as other platforms are concerned. Differential revision: https://reviews.llvm.org/D40244 llvm-svn: 319416
* [Coverage] Use the most-recent completed region count (PR35437)Vedant Kumar2017-11-301-1/+3
| | | | | | | | | | | | | | | This is a fix for the coverage segment builder. If multiple regions must be popped off the active stack at once, and more than one of them end at the same location, emit a segment using the count from the most-recent completed region. Fixes PR35437, rdar://35760630 Testing: invoked llvm-cov on a stage2 build of clang, additional unit tests, check-profile llvm-svn: 319391
* Add opt-viewer testingAdam Nemet2017-11-299-0/+1105
| | | | | | | | | | | | | | | | | | | | Detects whether we have the Python modules (pygments, yaml) required by opt-viewer and hooks this up to REQUIRES. This fixes https://bugs.llvm.org/show_bug.cgi?id=34129 (the lack of opt-viewer testing). It's also related to https://github.com/apple/swift/pull/12938 and the idea is to expose LLVM_HAVE_OPT_VIEWER_MODULES to the Swift cmake. Differential Revision: https://reviews.llvm.org/D40202 Fixes since the first commit: 1. Disable syntax highlighting as different versions of pygments generate different HTML 2. Use llvm-cxxfilt from the build llvm-svn: 319324
* llvm-dwarfdump: honor the --show-children option when dumping a specific DIE.Adrian Prantl2017-11-291-0/+6
| | | | llvm-svn: 319271
* Revert "Add opt-viewer testing"Adam Nemet2017-11-299-1105/+0
| | | | | | | | This reverts commit r319188. Breaks when c++filt is not available. llvm-svn: 319262
* Add opt-viewer testingAdam Nemet2017-11-289-0/+1105
| | | | | | | | | | | | | | | Detects whether we have the Python modules (pygments, yaml) required by opt-viewer and hooks this up to REQUIRES. This fixes https://bugs.llvm.org/show_bug.cgi?id=34129 (the lack of opt-viewer testing). It's also related to https://github.com/apple/swift/pull/12938 and the idea is to expose LLVM_HAVE_OPT_VIEWER_MODULES to the Swift cmake. Differential Revision: https://reviews.llvm.org/D40202 llvm-svn: 319188
* Revert "Add opt-viewer testing"Adam Nemet2017-11-289-1115/+0
| | | | | | | | This reverts commit r319073. Bot fails with a mismatch that looks like pygments-generated HTML. llvm-svn: 319146
* Add opt-viewer testingAdam Nemet2017-11-279-0/+1115
| | | | | | | | | | | | | | | Detects whether we have the Python modules (pygments, yaml) required by opt-viewer and hooks this up to REQUIRES. This fixes https://bugs.llvm.org/show_bug.cgi?id=34129 (the lack of opt-viewer testing). It's also related to https://github.com/apple/swift/pull/12938 and the idea is to expose LLVM_HAVE_OPT_VIEWER_MODULES to the Swift cmake. Differential Revision: https://reviews.llvm.org/D40202 llvm-svn: 319073
* [llvm-objcopy] Add --strip-all-gnu and change --strip-allJake Ehrlich2017-11-272-34/+63
| | | | | | | | | | | | | | GNU's --strip-all doesn't strip as aggressively as it could in general. Currently llvm-objcopy copies the exact behavoir of GNU's --strip-all. eu-strip is used as a drop in replacement for GNU strip/objcopy in many many places without issue. eu-strip removes non-allocated sections and keeps .gnu.warning* sections. Because --strip-all will likely be the most widely used stripping option we should make --strip-all as aggressive as it can safely be. Since we have evidence from eu-strip that this is a safe option we should allow it. For those that might still have an issue afterwards I've added --strip-all-gnu as an exact drop in replacement for GNU's --strip-all as well. llvm-svn: 319071
* [llvm-dwarfdump] Display DW_AT_high_pc as absolute valueJonas Devlieghere2017-11-274-14/+19
| | | | | | | | | | | | | | | | | | | | | | | | DWARF4 relative DW_AT_high_pc values are now displayed as absolute addresses. The relative value is only shown when explicitly dumping the forms, i.e. in show-form or verbose mode. ``` DW_AT_low_pc (0x0000000000000049) DW_AT_high_pc (0x00000019) ``` becomes ``` DW_AT_low_pc (0x0000000000000049) DW_AT_high_pc (0x0000000000000062) ``` Differential revision: https://reviews.llvm.org/D40317 rdar://35416943 llvm-svn: 319044
* [AMDGPU][MC][GFX8][GFX9] Corrected names of integer ↵Dmitry Preobrazhensky2017-11-201-2/+2
| | | | | | | | | | | | v_{add/addc/sub/subrev/subb/subbrev} See bug 34765: https://bugs.llvm.org//show_bug.cgi?id=34765 Reviewers: tamazov, SamWot, arsenm, vpykhtin Differential Revision: https://reviews.llvm.org/D40088 llvm-svn: 318675
* [llvm-profdata] Don't treat non-fatal merge errors as fatalVedant Kumar2017-11-172-1/+10
| | | | | | | | | This fixes an issue seen on the coverage bot: http://lab.llvm.org:8080/green/view/Experimental/job/clang-stage2-coverage-R/1930 Profile merging shouldn't fail if a single counter mismatch is detected. llvm-svn: 318555
* [gold] Fix broken thin LTO cache test NFCAndrew Ng2017-11-171-3/+3
| | | | | | | | Fix test as it is assuming that the cache pruning is always being performed by default. Explicitly set prune interval to 0s to ensure pruning is always performed. llvm-svn: 318520
* [llvm-profdata] Fix a dangling reference to an error stringVedant Kumar2017-11-175-0/+32
| | | | llvm-svn: 318502
* llvm-objdump: Add missing requires for the test in r313921Justin Bogner2017-11-161-0/+1
| | | | | | | This test needs an arm backend in addition to the arm64 one that's already checked in the test directory. llvm-svn: 318449
* Add ELF dynamic symbol support to yaml2obj/obj2yamlDave Lee2017-11-161-0/+41
| | | | | | | | | | | | | | | | | | Summary: This change introduces a `DynamicSymbols` field to the ELF specific YAML supported by `yaml2obj` and `obj2yaml`. This grouping of symbols provides a way to represent ELF dynamic symbols. The `DynamicSymbols` structure is identical to the existing `Symbols`. Reviewers: compnerd, jakehehrlich, silvas Reviewed By: silvas Subscribers: silvas, jakehehrlich, llvm-commits Differential Revision: https://reviews.llvm.org/D39582 llvm-svn: 318433
* Allow empty mappings for optional YAML inputDave Lee2017-11-161-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | Summary: This change fixes a bug where `obj2yaml` can in some cases produce YAML that causes `yaml2obj` to error. The ELF YAML document structure has a `Sections` mapping, which contains three mappings, all of which are optional: `Local`, `Global`, and `Weak.` Any one of these can be missing, but if all three are missing, then `yaml2obj` errors. This change allows YAML input for cases like this one. I have tested this with check-llvm and check-lld, and all tests passed. This change is the result of test failures while working on D39582, which introduces a `DynamicSymbols` mapping, which will be empty at times. Reviewers: compnerd, jakehehrlich, silvas, kledzik, mehdi_amini, pcc Reviewed By: compnerd Subscribers: silvas, llvm-commits Differential Revision: https://reviews.llvm.org/D39908 llvm-svn: 318428
* [llvm-objcopy] Change -O binary to respect section removal and behave like ↵Jake Ehrlich2017-11-158-0/+409
| | | | | | | | | | | | | | | | GNU objcopy The original -O binary implementation just copied segment data from the object and dumped it into a file. This doesn't take into account any operations performed on objects such as section removal. GNU objcopy has some specific behavior that we'd also like to respect. For instance using -O binary and -j <some_section> will dump <some_section> to a file. This change implements GNU objcopy style -O binary to as close of an approximation as I can determine. Differential Revision: https://reviews.llvm.org/D39713 llvm-svn: 318324
* [llvm-opt-fuzzer] Only run tests for the x86 target. Igor Laevsky2017-11-151-0/+1
| | | | | | This fixes build bot failures after rL318293. llvm-svn: 318294
* [llvm-opt-fuzzer] NFC. Add sanity tests.Igor Laevsky2017-11-154-0/+63
| | | | llvm-svn: 318293
* [cfi-verify] Add DOT graph printing for GraphResult objects.Mitch Phillips2017-11-141-0/+18
| | | | | | | | | | | | | | Allows users to view GraphResult objects in a DOT directed-graph format. This feature can be turned on through the --print-graphs flag. Also enabled pretty-printing of instructions in output. Together these features make analysis of unprotected CF instructions much easier by providing a visual control flow graph. Reviewers: pcc Subscribers: llvm-commits, kcc, vlad.tsyrklevich Differential Revision: https://reviews.llvm.org/D39819 llvm-svn: 318211
* [llvm-strings] Add support for the -a/--all optionsMartin Storsjo2017-11-141-0/+3
| | | | | | | | | | | | They don't actually change nay behaviour, as llvm-strings currently checks the whole object without looking at individual sections anyway. This allows using llvm-strings in a context that explicitly passes the -a option. Differential Revision: https://reviews.llvm.org/D40020 llvm-svn: 318185
* [llvm-objcopy] Add -strip-non-alloc option to remove all non-allocated sectionsJake Ehrlich2017-11-141-0/+26
| | | | | | | | | This change adds a new flag not present in GNU objcopy that we call --strip-non-alloc. Differential Revision: https://reviews.llvm.org/D39926 llvm-svn: 318168
* [llvm-objcopy] Support the rest of the ELF formatsJake Ehrlich2017-11-143-0/+84
| | | | | | | | | | | | We haven't been supporting anything but ELF64LE since the start. Luckily this was always accounted for and the change is pretty trivial. B35281 requests this change for ELF32LE. This change adds support for ELF32LE, ELF64BE, and ELF32BE with all supported features that already existed for ELF64LE. Differential Revision: https://reviews.llvm.org/D39977 llvm-svn: 318166
* Adjust test after r318159Adam Nemet2017-11-141-0/+1
| | | | llvm-svn: 318160
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