[llvm] r255523 - [PGO] Value profiling text format reader/writer support
Xinliang David Li via llvm-commits
llvm-commits at lists.llvm.org
Tue Dec 15 13:07:57 PST 2015
Very nice -- this is certainly very helpful ..
David
On Tue, Dec 15, 2015 at 12:58 PM, Evgenii Stepanov
<eugeni.stepanov at gmail.com> wrote:
> Maybe this would help?
>
> Uninitialized bytes in __interceptor_write at offset 276 inside
> [0x74000000e000, 864)
> ==145927==WARNING: MemorySanitizer: use-of-uninitialized-value
> #0 0x955319 in llvm::raw_fd_ostream::write_impl(char const*,
> unsigned long) /code/llvm/lib/Support/raw_ostream.cpp:575:13
> #1 0x95562b in flush_nonempty /code/llvm/lib/Support/raw_ostream.cpp:273:3
> #2 0x95562b in flush /code/llvm/include/llvm/Support/raw_ostream.h:136
> #3 0x95562b in llvm::raw_fd_ostream::seek(unsigned long)
> /code/llvm/lib/Support/raw_ostream.cpp:626
> #4 0x84e025 in llvm::InstrProfWriter::write(llvm::raw_fd_ostream&)
> /code/llvm/lib/ProfileData/InstrProfWriter.cpp:170:3
> #5 0x48fea4 in mergeInstrProfile
> /code/llvm/tools/llvm-profdata/llvm-profdata.cpp:129:5
> #6 0x48fea4 in merge_main(int, char const**)
> /code/llvm/tools/llvm-profdata/llvm-profdata.cpp:200
> #7 0x489af5 in main /code/llvm/tools/llvm-profdata/llvm-profdata.cpp:379:14
> #8 0x7f4c2aec0ec4 in __libc_start_main
> (/lib/x86_64-linux-gnu/libc.so.6+0x21ec4)
> #9 0x41edf6 in _start (/code/build-llvm-msan/bin/llvm-profdata+0x41edf6)
>
> Uninitialized value was stored to memory at
> #0 0x43c077 in __msan_memcpy
> /code/llvm/projects/compiler-rt/lib/msan/msan_interceptors.cc:1491:3
> #1 0x94f6cc in copy_to_buffer /code/llvm/lib/Support/raw_ostream.cpp:351:5
> #2 0x94f6cc in llvm::raw_ostream::write(char const*, unsigned
> long) /code/llvm/lib/Support/raw_ostream.cpp:334
> #3 0x84ad52 in EmitData /code/llvm/lib/ProfileData/InstrProfWriter.cpp:85:7
> #4 0x84ad52 in Emit /code/llvm/include/llvm/Support/OnDiskHashTable.h:183
> #5 0x84ad52 in Emit /code/llvm/include/llvm/Support/OnDiskHashTable.h:145
> #6 0x84ad52 in
> llvm::InstrProfWriter::writeImpl(llvm::raw_ostream&)
> /code/llvm/lib/ProfileData/InstrProfWriter.cpp:159
> #7 0x84dfd6 in llvm::InstrProfWriter::write(llvm::raw_fd_ostream&)
> /code/llvm/lib/ProfileData/InstrProfWriter.cpp:166:21
> #8 0x48fea4 in mergeInstrProfile
> /code/llvm/tools/llvm-profdata/llvm-profdata.cpp:129:5
> #9 0x48fea4 in merge_main(int, char const**)
> /code/llvm/tools/llvm-profdata/llvm-profdata.cpp:200
> #10 0x489af5 in main /code/llvm/tools/llvm-profdata/llvm-profdata.cpp:379:14
> #11 0x7f4c2aec0ec4 in __libc_start_main
> (/lib/x86_64-linux-gnu/libc.so.6+0x21ec4)
>
> Uninitialized value was created by a heap allocation
> #0 0x488ca2 in operator new(unsigned long)
> /code/llvm/projects/compiler-rt/lib/msan/msan_new_delete.cc:35:35
> #1 0x8154c9 in llvm::allocValueProfDataInstrProf(unsigned long)
> /code/llvm/lib/ProfileData/InstrProf.cpp:205:33
> #2 0x8141f1 in
> llvm::serializeValueProfDataFrom(llvm::ValueProfRecordClosure*,
> llvm::ValueProfData*)
> /code/llvm/include/llvm/ProfileData/InstrProfData.inc:504:27
> #3 0x81579d in
> llvm::ValueProfData::serializeFrom(llvm::InstrProfRecord const&)
> /code/llvm/lib/ProfileData/InstrProf.cpp:232:7
> #4 0x84ac71 in EmitData /code/llvm/lib/ProfileData/InstrProfWriter.cpp:82:11
> #5 0x84ac71 in Emit /code/llvm/include/llvm/Support/OnDiskHashTable.h:183
> #6 0x84ac71 in Emit /code/llvm/include/llvm/Support/OnDiskHashTable.h:145
> #7 0x84ac71 in
> llvm::InstrProfWriter::writeImpl(llvm::raw_ostream&)
> /code/llvm/lib/ProfileData/InstrProfWriter.cpp:159
> #8 0x84dfd6 in llvm::InstrProfWriter::write(llvm::raw_fd_ostream&)
> /code/llvm/lib/ProfileData/InstrProfWriter.cpp:166:21
> #9 0x48fea4 in mergeInstrProfile
> /code/llvm/tools/llvm-profdata/llvm-profdata.cpp:129:5
> #10 0x48fea4 in merge_main(int, char const**)
> /code/llvm/tools/llvm-profdata/llvm-profdata.cpp:200
> #11 0x489af5 in main /code/llvm/tools/llvm-profdata/llvm-profdata.cpp:379:14
> #12 0x7f4c2aec0ec4 in __libc_start_main
> (/lib/x86_64-linux-gnu/libc.so.6+0x21ec4)
>
> On Tue, Dec 15, 2015 at 12:03 PM, Xinliang David Li <davidxl at google.com> wrote:
>> My change is not directly related to the place where msan complains
>> about -- it either triggers an existing bug in raw_ostream
>> implementation or a bug in msan (false positive).
>>
>> The reported uninitialized error is on a buffer to be flushed out
>> (triggered by a seek call by the InstrProf writer). I don't see how
>> the buffer can be 'uninitialized'. Can you help find the root cause of
>> the issue?
>>
>> thanks,
>>
>> David
>>
>> On Tue, Dec 15, 2015 at 11:27 AM, Evgenii Stepanov
>> <eugeni.stepanov at gmail.com> wrote:
>>> Hi David,
>>>
>>> I think your change caused this failure:
>>> http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap/builds/10349/steps/check-llvm%20msan/logs/stdio
>>>
>>> On Mon, Dec 14, 2015 at 10:44 AM, Xinliang David Li via llvm-commits
>>> <llvm-commits at lists.llvm.org> wrote:
>>>> Author: davidxl
>>>> Date: Mon Dec 14 12:44:01 2015
>>>> New Revision: 255523
>>>>
>>>> URL: http://llvm.org/viewvc/llvm-project?rev=255523&view=rev
>>>> Log:
>>>> [PGO] Value profiling text format reader/writer support
>>>>
>>>> This patch adds the missing functionality in parsable
>>>> text format support for value profiling.
>>>>
>>>> Differential Revision: http://reviews.llvm.org/D15212
>>>>
>>>>
>>>> Added:
>>>> llvm/trunk/test/tools/llvm-profdata/Inputs/vp-malform.proftext
>>>> llvm/trunk/test/tools/llvm-profdata/Inputs/vp-malform2.proftext
>>>> llvm/trunk/test/tools/llvm-profdata/Inputs/vp-truncate.proftext
>>>> llvm/trunk/test/tools/llvm-profdata/value-prof.proftext
>>>> Modified:
>>>> llvm/trunk/include/llvm/ProfileData/InstrProfReader.h
>>>> llvm/trunk/lib/ProfileData/InstrProfReader.cpp
>>>> llvm/trunk/lib/ProfileData/InstrProfWriter.cpp
>>>> llvm/trunk/test/tools/llvm-profdata/text-format-errors.test
>>>>
>>>> Modified: llvm/trunk/include/llvm/ProfileData/InstrProfReader.h
>>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ProfileData/InstrProfReader.h?rev=255523&r1=255522&r2=255523&view=diff
>>>> ==============================================================================
>>>> --- llvm/trunk/include/llvm/ProfileData/InstrProfReader.h (original)
>>>> +++ llvm/trunk/include/llvm/ProfileData/InstrProfReader.h Mon Dec 14 12:44:01 2015
>>>> @@ -106,8 +106,13 @@ private:
>>>> /// Iterator over the profile data.
>>>> line_iterator Line;
>>>>
>>>> + // String table for holding a unique copy of all the strings in the profile.
>>>> + InstrProfStringTable StringTable;
>>>> +
>>>> TextInstrProfReader(const TextInstrProfReader &) = delete;
>>>> TextInstrProfReader &operator=(const TextInstrProfReader &) = delete;
>>>> + std::error_code readValueProfileData(InstrProfRecord &Record);
>>>> +
>>>> public:
>>>> TextInstrProfReader(std::unique_ptr<MemoryBuffer> DataBuffer_)
>>>> : DataBuffer(std::move(DataBuffer_)), Line(*DataBuffer, true, '#') {}
>>>>
>>>> Modified: llvm/trunk/lib/ProfileData/InstrProfReader.cpp
>>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/ProfileData/InstrProfReader.cpp?rev=255523&r1=255522&r2=255523&view=diff
>>>> ==============================================================================
>>>> --- llvm/trunk/lib/ProfileData/InstrProfReader.cpp (original)
>>>> +++ llvm/trunk/lib/ProfileData/InstrProfReader.cpp Mon Dec 14 12:44:01 2015
>>>> @@ -109,6 +109,68 @@ bool TextInstrProfReader::hasFormat(cons
>>>> [](char c) { return ::isprint(c) || ::isspace(c); });
>>>> }
>>>>
>>>> +std::error_code
>>>> +TextInstrProfReader::readValueProfileData(InstrProfRecord &Record) {
>>>> +
>>>> +#define CHECK_LINE_END(Line) \
>>>> + if (Line.is_at_end()) \
>>>> + return error(instrprof_error::truncated);
>>>> +#define READ_NUM(Str, Dst) \
>>>> + if ((Str).getAsInteger(10, (Dst))) \
>>>> + return error(instrprof_error::malformed);
>>>> +#define VP_READ_ADVANCE(Val) \
>>>> + CHECK_LINE_END(Line); \
>>>> + uint32_t Val; \
>>>> + READ_NUM((*Line), (Val)); \
>>>> + Line++;
>>>> +
>>>> + if (Line.is_at_end())
>>>> + return success();
>>>> + uint32_t NumValueKinds;
>>>> + if (Line->getAsInteger(10, NumValueKinds)) {
>>>> + // No value profile data
>>>> + return success();
>>>> + }
>>>> + if (NumValueKinds == 0 || NumValueKinds > IPVK_Last + 1)
>>>> + return error(instrprof_error::malformed);
>>>> + Line++;
>>>> +
>>>> + for (uint32_t VK = 0; VK < NumValueKinds; VK++) {
>>>> + VP_READ_ADVANCE(ValueKind);
>>>> + if (ValueKind > IPVK_Last)
>>>> + return error(instrprof_error::malformed);
>>>> + VP_READ_ADVANCE(NumValueSites);
>>>> + if (!NumValueSites)
>>>> + continue;
>>>> +
>>>> + Record.reserveSites(VK, NumValueSites);
>>>> + for (uint32_t S = 0; S < NumValueSites; S++) {
>>>> + VP_READ_ADVANCE(NumValueData);
>>>> +
>>>> + std::vector<InstrProfValueData> CurrentValues;
>>>> + for (uint32_t V = 0; V < NumValueData; V++) {
>>>> + CHECK_LINE_END(Line);
>>>> + std::pair<StringRef, StringRef> VD = Line->split(':');
>>>> + uint64_t TakenCount, Value;
>>>> + READ_NUM(VD.second, TakenCount);
>>>> + if (VK == IPVK_IndirectCallTarget)
>>>> + Value = (uint64_t)StringTable.insertString(VD.first);
>>>> + else {
>>>> + READ_NUM(VD.first, Value);
>>>> + }
>>>> + CurrentValues.push_back({Value, TakenCount});
>>>> + Line++;
>>>> + }
>>>> + Record.addValueData(VK, S, CurrentValues.data(), NumValueData, nullptr);
>>>> + }
>>>> + }
>>>> + return success();
>>>> +
>>>> +#undef CHECK_LINE_END
>>>> +#undef READ_NUM
>>>> +#undef VP_READ_ADVANCE
>>>> +}
>>>> +
>>>> std::error_code TextInstrProfReader::readNextRecord(InstrProfRecord &Record) {
>>>> // Skip empty lines and comments.
>>>> while (!Line.is_at_end() && (Line->empty() || Line->startswith("#")))
>>>> @@ -147,6 +209,10 @@ std::error_code TextInstrProfReader::rea
>>>> Record.Counts.push_back(Count);
>>>> }
>>>>
>>>> + // Check if value profile data exists and read it if so.
>>>> + if (std::error_code EC = readValueProfileData(Record))
>>>> + return EC;
>>>> +
>>>> return success();
>>>> }
>>>>
>>>>
>>>> Modified: llvm/trunk/lib/ProfileData/InstrProfWriter.cpp
>>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/ProfileData/InstrProfWriter.cpp?rev=255523&r1=255522&r2=255523&view=diff
>>>> ==============================================================================
>>>> --- llvm/trunk/lib/ProfileData/InstrProfWriter.cpp (original)
>>>> +++ llvm/trunk/lib/ProfileData/InstrProfWriter.cpp Mon Dec 14 12:44:01 2015
>>>> @@ -172,15 +172,47 @@ void InstrProfWriter::write(raw_fd_ostre
>>>> endian::Writer<little>(OS).write<uint64_t>(TableStart.second);
>>>> }
>>>>
>>>> +static const char *ValueProfKindStr[] = {
>>>> +#define VALUE_PROF_KIND(Enumerator, Value) #Enumerator,
>>>> +#include "llvm/ProfileData/InstrProfData.inc"
>>>> +};
>>>> +
>>>> void InstrProfWriter::writeRecordInText(const InstrProfRecord &Func,
>>>> raw_fd_ostream &OS) {
>>>> OS << Func.Name << "\n";
>>>> OS << "# Func Hash:\n" << Func.Hash << "\n";
>>>> - OS << "# Num Counters:\n" <<Func.Counts.size() << "\n";
>>>> + OS << "# Num Counters:\n" << Func.Counts.size() << "\n";
>>>> OS << "# Counter Values:\n";
>>>> for (uint64_t Count : Func.Counts)
>>>> OS << Count << "\n";
>>>>
>>>> + uint32_t NumValueKinds = Func.getNumValueKinds();
>>>> + if (!NumValueKinds) {
>>>> + OS << "\n";
>>>> + return;
>>>> + }
>>>> +
>>>> + OS << "# Num Value Kinds:\n" << Func.getNumValueKinds() << "\n";
>>>> + for (uint32_t VK = 0; VK < IPVK_Last + 1; VK++) {
>>>> + uint32_t NS = Func.getNumValueSites(VK);
>>>> + if (!NS)
>>>> + continue;
>>>> + OS << "# ValueKind = " << ValueProfKindStr[VK] << ":\n" << VK << "\n";
>>>> + OS << "# NumValueSites:\n" << NS << "\n";
>>>> + for (uint32_t S = 0; S < NS; S++) {
>>>> + uint32_t ND = Func.getNumValueDataForSite(VK, S);
>>>> + OS << ND << "\n";
>>>> + std::unique_ptr<InstrProfValueData[]> VD = Func.getValueForSite(VK, S);
>>>> + for (uint32_t I = 0; I < ND; I++) {
>>>> + if (VK == IPVK_IndirectCallTarget)
>>>> + OS << reinterpret_cast<const char *>(VD[I].Value) << ":"
>>>> + << VD[I].Count << "\n";
>>>> + else
>>>> + OS << VD[I].Value << ":" << VD[I].Count << "\n";
>>>> + }
>>>> + }
>>>> + }
>>>> +
>>>> OS << "\n";
>>>> }
>>>>
>>>>
>>>> Added: llvm/trunk/test/tools/llvm-profdata/Inputs/vp-malform.proftext
>>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-profdata/Inputs/vp-malform.proftext?rev=255523&view=auto
>>>> ==============================================================================
>>>> --- llvm/trunk/test/tools/llvm-profdata/Inputs/vp-malform.proftext (added)
>>>> +++ llvm/trunk/test/tools/llvm-profdata/Inputs/vp-malform.proftext Mon Dec 14 12:44:01 2015
>>>> @@ -0,0 +1,42 @@
>>>> +foo
>>>> +# Func Hash:
>>>> +10
>>>> +# Num Counters:
>>>> +2
>>>> +# Counter Values:
>>>> +999000
>>>> +359800
>>>> +
>>>> +foo2
>>>> +# Func Hash:
>>>> +10
>>>> +# Num Counters:
>>>> +2
>>>> +# Counter Values:
>>>> +1001000
>>>> +360200
>>>> +
>>>> +main
>>>> +# Func Hash:
>>>> +16650
>>>> +# Num Counters:
>>>> +4
>>>> +# Counter Values:
>>>> +2
>>>> +2000
>>>> +2000000
>>>> +999000
>>>> +# NumValueKinds
>>>> +1
>>>> +# Value Kind IPVK_IndirectCallTarget
>>>> +0
>>>> +# NumSites
>>>> +3
>>>> +# Values for each site
>>>> +0
>>>> +2
>>>> +# !!!! Malformed Value/Count pair
>>>> +foo+100
>>>> +foo2:1000
>>>> +1
>>>> +foo2:20000
>>>>
>>>> Added: llvm/trunk/test/tools/llvm-profdata/Inputs/vp-malform2.proftext
>>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-profdata/Inputs/vp-malform2.proftext?rev=255523&view=auto
>>>> ==============================================================================
>>>> --- llvm/trunk/test/tools/llvm-profdata/Inputs/vp-malform2.proftext (added)
>>>> +++ llvm/trunk/test/tools/llvm-profdata/Inputs/vp-malform2.proftext Mon Dec 14 12:44:01 2015
>>>> @@ -0,0 +1,32 @@
>>>> +foo
>>>> +# Func Hash:
>>>> +10
>>>> +# Num Counters:
>>>> +2
>>>> +# Counter Values:
>>>> +999000
>>>> +359800
>>>> +
>>>> +main
>>>> +# Func Hash:
>>>> +16650
>>>> +# Num Counters:
>>>> +4
>>>> +# Counter Values:
>>>> +2
>>>> +2000
>>>> +2000000
>>>> +999000
>>>> +# NumValueKinds
>>>> +1
>>>> +# Value Kind IPVK_IndirectCallTarget
>>>> +0
>>>> +# NumSites
>>>> +3
>>>> +# Values for each site
>>>> +0
>>>> +# !! Malformed value site, missing one value
>>>> +2
>>>> +foo:100
>>>> +1
>>>> +foo2:20000
>>>>
>>>> Added: llvm/trunk/test/tools/llvm-profdata/Inputs/vp-truncate.proftext
>>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-profdata/Inputs/vp-truncate.proftext?rev=255523&view=auto
>>>> ==============================================================================
>>>> --- llvm/trunk/test/tools/llvm-profdata/Inputs/vp-truncate.proftext (added)
>>>> +++ llvm/trunk/test/tools/llvm-profdata/Inputs/vp-truncate.proftext Mon Dec 14 12:44:01 2015
>>>> @@ -0,0 +1,36 @@
>>>> +foo
>>>> +# Func Hash:
>>>> +10
>>>> +# Num Counters:
>>>> +2
>>>> +# Counter Values:
>>>> +999000
>>>> +359800
>>>> +
>>>> +foo2
>>>> +# Func Hash:
>>>> +10
>>>> +# Num Counters:
>>>> +2
>>>> +# Counter Values:
>>>> +1001000
>>>> +360200
>>>> +
>>>> +main
>>>> +# Func Hash:
>>>> +16650
>>>> +# Num Counters:
>>>> +4
>>>> +# Counter Values:
>>>> +2
>>>> +2000
>>>> +2000000
>>>> +999000
>>>> +# NumValueKinds
>>>> +1
>>>> +# Value Kind IPVK_IndirectCallTarget
>>>> +0
>>>> +# NumSites
>>>> +3
>>>> +# Values for each site
>>>> +0
>>>>
>>>> Modified: llvm/trunk/test/tools/llvm-profdata/text-format-errors.test
>>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-profdata/text-format-errors.test?rev=255523&r1=255522&r2=255523&view=diff
>>>> ==============================================================================
>>>> --- llvm/trunk/test/tools/llvm-profdata/text-format-errors.test (original)
>>>> +++ llvm/trunk/test/tools/llvm-profdata/text-format-errors.test Mon Dec 14 12:44:01 2015
>>>> @@ -18,3 +18,12 @@ NO-COUNTS: error: {{.*}}no-counts.profte
>>>> RUN: not llvm-profdata show %p/Inputs/text-format-errors.text.bin 2>&1 | FileCheck %s --check-prefix=BINARY
>>>> BINARY: error: {{.+}}: Unrecognized instrumentation profile encoding format
>>>> BINARY: Perhaps you forgot to use the -sample option?
>>>> +
>>>> +5- Detect malformed value profile data
>>>> +RUN: not llvm-profdata show %p/Inputs/vp-malform.proftext 2>&1 | FileCheck %s --check-prefix=VP
>>>> +RUN: not llvm-profdata show %p/Inputs/vp-malform2.proftext 2>&1 | FileCheck %s --check-prefix=VP
>>>> +VP: Malformed instrumentation profile data
>>>> +
>>>> +6- Detect truncated value profile data
>>>> +RUN: not llvm-profdata show %p/Inputs/vp-truncate.proftext 2>&1 | FileCheck %s --check-prefix=VPTRUNC
>>>> +VPTRUNC: Truncated profile data
>>>>
>>>> Added: llvm/trunk/test/tools/llvm-profdata/value-prof.proftext
>>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-profdata/value-prof.proftext?rev=255523&view=auto
>>>> ==============================================================================
>>>> --- llvm/trunk/test/tools/llvm-profdata/value-prof.proftext (added)
>>>> +++ llvm/trunk/test/tools/llvm-profdata/value-prof.proftext Mon Dec 14 12:44:01 2015
>>>> @@ -0,0 +1,61 @@
>>>> +# RUN: llvm-profdata show -ic-targets -all-functions %s | FileCheck %s --check-prefix=IC
>>>> +# RUN: llvm-profdata show -ic-targets -counts -text -all-functions %s | FileCheck %s --check-prefix=ICTEXT
>>>> +# RUN: llvm-profdata merge -o %t.profdata %s
>>>> +# RUN: llvm-profdata show -ic-targets -all-functions %t.profdata | FileCheck %s --check-prefix=IC
>>>> +
>>>> +foo
>>>> +# Func Hash:
>>>> +10
>>>> +# Num Counters:
>>>> +2
>>>> +# Counter Values:
>>>> +999000
>>>> +359800
>>>> +
>>>> +foo2
>>>> +# Func Hash:
>>>> +10
>>>> +# Num Counters:
>>>> +2
>>>> +# Counter Values:
>>>> +1001000
>>>> +360200
>>>> +
>>>> +main
>>>> +# Func Hash:
>>>> +16650
>>>> +# Num Counters:
>>>> +4
>>>> +# Counter Values:
>>>> +2
>>>> +2000
>>>> +2000000
>>>> +999000
>>>> +# NumValueKinds
>>>> +1
>>>> +# Value Kind IPVK_IndirectCallTarget
>>>> +0
>>>> +# NumSites
>>>> +3
>>>> +# Values for each site
>>>> +0
>>>> +2
>>>> +foo:100
>>>> +foo2:1000
>>>> +1
>>>> +foo2:20000
>>>> +
>>>> +#IC: Indirect Call Site Count: 3
>>>> +#IC-NEXT: Indirect Target Results:
>>>> +#IC-NEXT: [ 1, foo, 100 ]
>>>> +#IC-NEXT: [ 1, foo2, 1000 ]
>>>> +#IC-NEXT: [ 2, foo2, 20000 ]
>>>> +
>>>> +#ICTEXT: foo:100
>>>> +#ICTEXT-NEXT: foo2:1000
>>>> +#ICTEXT-NEXT: 1
>>>> +#ICTEXT-NEXT: foo2:20000
>>>> +# RUN: llvm-profdata show -ic-targets -all-functions %s | FileCheck %s --check-prefix=IC
>>>> +# RUN: llvm-profdata show -ic-targets -counts -text -all-functions %s | FileCheck %s --check-prefix=ICTEXT
>>>> +# RUN: llvm-profdata merge -o %t.profdata %s
>>>> +# RUN: llvm-profdata show -ic-targets -all-functions %t.profdata | FileCheck %s --check-prefix=IC
>>>>
>>>>
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