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Nathan Slingerland 4f82366759 [llvm-profdata] Add check for text profile formats and improve error reporting (2nd try) 
Summary:
This change addresses two possible instances of user error / confusion when
merging sampled profile data.

Previously any input that didn't match the raw or processed instrumented format
would automatically be interpreted as instrumented profile text format data.
No error would be reported during the merge.

Example:
If foo-sampled.profdata and bar-sampled.profdata are binary sampled profiles:

Old behavior:
$ llvm-profdata merge foo-sampled.profdata bar-sampled.profdata -output foobar-sampled.profdata
$ llvm-profdata show -sample foobar-sampled.profdata
error: foobar-sampled.profdata:1: Expected 'mangled_name:NUM:NUM', found  lprofi

This change adds basic checks for valid input data when assuming text input.
It also makes error messages related to file format validity more specific about
the assumbed profile data type.

New behavior:
$ llvm-profdata merge foo-sampled.profdata bar-sampled.profdata -o foobar-sampled.profdata
error: foo.profdata: Unrecognized instrumentation profile encoding format
Perhaps you forgot to use the -sample option?

Reviewers: bogner, davidxl, dnovillo

Subscribers: davidxl, llvm-commits

Differential Revision: http://reviews.llvm.org/D14558

llvm-svn: 253009
 		2015-11-13 03:47:58 +00:00
..
bugpoint Make bugpoint ehpad/token friendly 2015-11-08 04:16:12 +00:00
bugpoint-passes [bugpoint] Add a named metadata (+their operands) reducer 2015-11-06 00:12:50 +00:00
dsymutil dsymutil: Prune module forward decl DIEs if a uniquable definition was 2015-11-10 21:31:05 +00:00
gold Clang format a few prior patches (NFC) 2015-11-02 18:02:11 +00:00
llc Remove access to the DataLayout in the TargetMachine 2015-07-24 16:04:22 +00:00
lli Fix some Clang-tidy modernize warnings, other minor fixes. 2015-11-04 22:32:32 +00:00
llvm-ar Reapply r250906 with many suggested updates from Rafael Espindola. 2015-11-05 19:24:56 +00:00
llvm-as Support for function summary index bitcode sections and files. 2015-10-04 14:33:43 +00:00
llvm-as-fuzzer [libFuzzer] make LLVMFuzzerTestOneInput (the fuzzer target function) return int instead of void. The actual return value is not *yet* used (and expected to be 0). This change is API breaking, so the fuzzers will need to be updated. 2015-10-02 23:34:06 +00:00
llvm-bcanalyzer Clang format a few prior patches (NFC) 2015-11-02 18:02:11 +00:00
llvm-c-test Fix build breakage caused by memory leaks in llvm-c-test 2015-01-28 18:32:31 +00:00
llvm-config llvm-config.cpp: Prune an obsolete \param. [-Wdocumentation] 2015-11-11 17:50:20 +00:00
llvm-cov [llvm-cov] Adjust column widths for function and file reports 2015-10-21 16:03:32 +00:00
llvm-cxxdump Reapply r250906 with many suggested updates from Rafael Espindola. 2015-11-05 19:24:56 +00:00
llvm-diff llvm-diff: Remove implicit ilist iterator conversions, NFC 2015-10-20 18:17:05 +00:00
llvm-dis Use std::unique_ptr to manage the DataStreamer in bitcode parsing. 2015-06-16 23:29:49 +00:00
llvm-dwarfdump dwarfdump: Added macro support to llvm-dwarfdump tool. 2015-11-12 09:38:54 +00:00
llvm-extract uselistorder: Remove the global bits 2015-04-15 03:14:06 +00:00
llvm-go Enable linking tools, shared libraries against libLLVM 2015-09-01 03:14:31 +00:00
llvm-jitlistener Fix the -DBUILD_SHARED_LIBS=ON build. 2015-07-07 17:48:00 +00:00
llvm-link Pass enum instead of bool to new linkInModule call in llvm-link 2015-11-03 15:10:50 +00:00
llvm-lto llvm-lto: trivial spelling changes to distinguish custom diagnostic handler and 2015-11-10 18:52:48 +00:00
llvm-mc Fix some Clang-tidy modernize warnings, other minor fixes. 2015-11-04 22:32:32 +00:00
llvm-mc-fuzzer [libFuzzer] make LLVMFuzzerTestOneInput (the fuzzer target function) return int instead of void. The actual return value is not *yet* used (and expected to be 0). This change is API breaking, so the fuzzers will need to be updated. 2015-10-02 23:34:06 +00:00
llvm-mcmarkup Explicitly pass ownership of the MemoryBuffer to AddNewSourceBuffer using std::unique_ptr 2014-08-21 20:44:56 +00:00
llvm-nm Fix llvm-nm(1) printing of llvm-bitcode files for -format darwin to match darwin’s nm(1). 2015-11-10 00:31:08 +00:00
llvm-objdump [Object, MachO] Mark symbols from DATA and BSS sections as ST_Data 2015-11-12 09:40:29 +00:00
llvm-pdbdump llmv-pdbdump: Make BuiltinDumper shorter. NFC. 2015-11-03 20:16:18 +00:00
llvm-profdata [llvm-profdata] Add check for text profile formats and improve error reporting (2nd try) 2015-11-13 03:47:58 +00:00
llvm-readobj Reapply r250906 with many suggested updates from Rafael Espindola. 2015-11-05 19:24:56 +00:00
llvm-rtdyld [JIT] Towards a working small memory model. 2015-10-21 22:12:03 +00:00
llvm-shlib [CMake] Bug 25059 - CMake libllvm.so.$MAJOR.$MINOR shared object name not compatible with ldconfig 2015-11-04 23:11:12 +00:00
llvm-size Reapply r250906 with many suggested updates from Rafael Espindola. 2015-11-05 19:24:56 +00:00
llvm-split TransformUtils: Introduce module splitter. 2015-08-21 02:48:20 +00:00
llvm-stress ADT: Remove last implicit ilist iterator conversions, NFC 2015-11-07 00:01:16 +00:00
llvm-symbolizer [Symbolizer]: Add -pretty-print option 2015-11-11 20:41:43 +00:00
lto Add a libLTO diagnostic handler that supports lto_get_error_message API 2015-11-11 19:59:08 +00:00
msbuild MSBuild integration: fix the loop in install.bat 2014-09-30 22:30:06 +00:00
obj2yaml [obj2yaml] Fix "time of check to time of use" bug. Add a test. 2015-09-19 20:49:34 +00:00
opt [PM/AA] Remove the last relics of the separate IPA library from LLVM, 2015-08-18 17:51:53 +00:00
sancov sancov test suite 2015-11-12 19:34:21 +00:00
verify-uselistorder [uselistorder] Insert blank line, NFC 2015-10-13 21:51:02 +00:00
xcode-toolchain [CMake] [Darwin] Add support for generating Xcode-compatible toolchains that xcodebuild and xcrun can search 2015-10-15 20:09:01 +00:00
yaml2obj Add a RAW mode to StringTableBuilder. 2015-10-23 21:48:05 +00:00
CMakeLists.txt [CMake] Autoconf builds libLTO with -fPIC, CMake should be able to as well. 2015-11-10 21:38:58 +00:00
LLVMBuild.txt Remove macho-dump. Its functionality is now covered by llvm-readobj. 2015-09-22 17:46:10 +00:00
Makefile Remove macho-dump. Its functionality is now covered by llvm-readobj. 2015-09-22 17:46:10 +00:00