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65c67f5133
llvm-mirror/tools
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Vedant Kumar 65c67f5133 [Coverage] Use gap regions to select better line exec counts 
After clang started emitting deferred regions (r312818), llvm-cov has
had a hard time picking reasonable line execuction counts. There have
been one or two generic improvements in this area (e.g r310012), but
line counts can still report coverage for whitespace instead of code
(llvm.org/PR34612).

To fix the problem:

 * Introduce a new region kind so that frontends can explicitly label
   gap areas.

   This is done by changing the encoding of the columnEnd field of
   MappingRegion. This doesn't substantially increase binary size, and
   makes it easy to maintain backwards-compatibility.

 * Don't set the line count to a count from a gap area, unless the count
   comes from a wrapped segment.

 * Don't highlight gap areas as uncovered.

Fixes llvm.org/PR34612.

llvm-svn: 313597
2017-09-18 23:37:28 +00:00
..
bugpoint Convenience/safety fix for llvm::sys::Execute(And|No)Wait 2017-09-13 17:03:37 +00:00
bugpoint-passes [CMake] bugpoint-passes depends on intrinsics_gen 2016-11-19 02:20:59 +00:00
dsymutil Convenience/safety fix for llvm::sys::Execute(And|No)Wait 2017-09-13 17:03:37 +00:00
gold [ThinLTO/gold] Implement ThinLTO cache pruning support 2017-09-18 23:24:55 +00:00
llc This patch fixes https://bugs.llvm.org/show_bug.cgi?id=32352 2017-09-15 20:10:09 +00:00
lli [ORC] Refactor OrcRemoteTarget code to expose its RPC API, reduce 2017-09-04 20:54:46 +00:00
llvm-ar Don't call exit from cl::PrintHelpMessage. 2017-09-07 23:30:48 +00:00
llvm-as [CMake] llvm-as depends on intrinsics_gen 2016-11-19 02:15:04 +00:00
llvm-as-fuzzer cmake: Invent add_llvm_fuzzer to set up fuzzer targets 2017-08-31 00:36:33 +00:00
llvm-bcanalyzer Bitcode: Include any strings added to the string table in the module hash. 2017-07-06 17:56:01 +00:00
llvm-c-test fix typos in comments and error messges; NFC 2017-07-13 06:48:39 +00:00
llvm-cat [Bitcode] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 2017-09-07 23:28:24 +00:00
llvm-config [GlobalISel] Make GlobalISel a non-optional library. 2017-08-03 21:52:25 +00:00
llvm-cov [Coverage] Use gap regions to select better line exec counts 2017-09-18 23:37:28 +00:00
llvm-cvtres Revert "Revert "Revert "Revert "Switch external cvtres.exe for llvm's own resource library."""" 2017-07-08 03:06:10 +00:00
llvm-cxxdump Make the Error class constructor protected 2016-11-11 04:28:40 +00:00
llvm-cxxfilt c++filt: support COFF import thunks 2017-03-22 21:15:19 +00:00
llvm-diff [IR] Redesign the case iterator in SwitchInst to actually be an iterator 2017-04-12 07:27:28 +00:00
llvm-dis This patch fixes https://bugs.llvm.org/show_bug.cgi?id=32352 2017-09-15 20:10:09 +00:00
llvm-dwarfdump Replace for_each with a range-based for. NFC. 2017-09-18 22:11:33 +00:00
llvm-dwp [llvm-dwp] Implement -e option 2017-09-02 08:19:01 +00:00
llvm-extract [llvm-extract] Add option for recursive extraction 2017-04-06 20:51:40 +00:00
llvm-go [llvm-go] parameterize $GOPATH construction 2016-07-27 03:21:51 +00:00
llvm-isel-fuzzer Move some CLI utils out of llvm-isel-fuzzer and into the library 2017-09-02 23:43:04 +00:00
llvm-jitlistener Search for llvm-symbolizer binary in the same directory as argv[0], before 2016-06-09 00:53:21 +00:00
llvm-link This patch fixes https://bugs.llvm.org/show_bug.cgi?id=32352 2017-09-15 20:10:09 +00:00
llvm-lto This patch fixes https://bugs.llvm.org/show_bug.cgi?id=32352 2017-09-15 20:10:09 +00:00
llvm-lto2 LTO: Try to open cache files before renaming them. 2017-09-05 19:51:38 +00:00
llvm-mc Don't pass the code model to MC 2017-08-02 20:32:26 +00:00
llvm-mc-assemble-fuzzer cmake: Invent add_llvm_fuzzer to set up fuzzer targets 2017-08-31 00:36:33 +00:00
llvm-mc-disassemble-fuzzer cmake: Invent add_llvm_fuzzer to set up fuzzer targets 2017-08-31 00:36:33 +00:00
llvm-mcmarkup Search for llvm-symbolizer binary in the same directory as argv[0], before 2016-06-09 00:53:21 +00:00
llvm-modextract Bitcode: Add a string table to the bitcode format. 2017-04-17 17:51:36 +00:00
llvm-mt llvm-mt: Merge manifest namespaces. 2017-08-19 00:37:41 +00:00
llvm-nm Fix a crash in llvm-nm for a bad Mach-O file that has an N_SECT type symbol and a zero n_sect value. 2017-09-13 21:01:49 +00:00
llvm-objcopy Test patch to check my commit access 2017-09-15 22:04:09 +00:00
llvm-objdump [dwarfdump] Make .eh_frame an alias for .debug_frame 2017-09-18 14:15:57 +00:00
llvm-opt-report Don't call exit from cl::PrintHelpMessage. 2017-09-07 23:30:48 +00:00
llvm-pdbutil COFF: PDB: Allow multiple modules with the same name. 2017-09-07 20:39:46 +00:00
llvm-profdata [ProfileData] Add new option to dump topn hottest functions 2017-07-11 20:30:43 +00:00
llvm-rc Fixing incorrectly capitalised regexps. 2017-09-07 09:54:03 +00:00
llvm-readobj [llvm-readobj] - Teach tool to report error if some section is in multiple COMDAT groups at once. 2017-09-16 14:29:51 +00:00
llvm-rtdyld Use delegation instead of inheritance. 2017-07-19 22:27:28 +00:00
llvm-shlib [Solaris] enable --whole-archive for shared-library build, disable --version-script for Solaris-ld 2017-07-19 16:07:51 +00:00
llvm-size llvm-size: remove leading dash in '-radix' option 2016-12-23 23:55:08 +00:00
llvm-split [CMake] llvm-split depends on intrinsics_gen 2016-11-18 23:20:38 +00:00
llvm-stress [Analysis] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes. Also affected in files (NFC). 2017-08-31 21:56:16 +00:00
llvm-strings llvm-strings: remove default for -Wcovered-switch-default 2017-01-21 02:52:29 +00:00
llvm-symbolizer DebugInfo: Provide option for explicitly specifying the name of the DWP file 2017-07-30 01:34:08 +00:00
llvm-xray [XRay][tools] Support tail-call exits before we write them in the runtime 2017-09-18 06:08:46 +00:00
lto This patch fixes https://bugs.llvm.org/show_bug.cgi?id=32352 2017-09-15 20:10:09 +00:00
msbuild Create msbuild only when using MSVC 2017-03-16 20:24:14 +00:00
obj2yaml Use the section name if a STT_SECTION symbol has empty name. 2017-09-06 00:57:53 +00:00
opt [Analysis] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes. Also affected in files (NFC). 2017-08-31 21:56:16 +00:00
opt-viewer [opt-viewer] Listify dict_items for Py3 indexing 2017-08-14 04:16:43 +00:00
sancov [sancov] coverage-report-server.py: ServerHandler(): open file as UTF8 2017-09-12 18:59:21 +00:00
sanstats Fix broken links to the Itanium CXX ABI 2017-09-12 00:19:11 +00:00
verify-uselistorder [CMake] verify-uselistorder depends on intrinsics_gen 2016-11-18 23:30:58 +00:00
xcode-toolchain [CMake] Minor fix to regex in r279152 2016-08-18 21:36:36 +00:00
yaml2obj [yaml2obj][ELF] Add support for symbol indexes greater than SHN_LORESERVE 2017-09-07 20:44:16 +00:00
CMakeLists.txt Fixup r271533, or check-clang didn't find llvm-lto as the target. 2016-06-02 20:39:24 +00:00
LLVMBuild.txt Reland "[LLVM][llvm-objcopy] Added basic plumbing to get things started" 2017-08-01 00:33:58 +00:00