Revert "[memprof] Add YAML-based deserialization for MemProf profile (#117829)"

This reverts commit c00e53208db638c35499fc80b555f8e14baa35f0.

It looks like this breaks building LLVM on macOS and some other
platform/compiler combos

https://lab.llvm.org/buildbot/#/builders/23/builds/5252
https://green.lab.llvm.org/job/llvm.org/job/clang-san-iossim/5356/console

In file included from /Users/ec2-user/jenkins/workspace/llvm.org/clang-san-iossim/llvm-project/llvm/lib/ProfileData/MemProfReader.cpp:34:
In file included from /Users/ec2-user/jenkins/workspace/llvm.org/clang-san-iossim/llvm-project/llvm/include/llvm/ProfileData/MemProfReader.h:24:
In file included from /Users/ec2-user/jenkins/workspace/llvm.org/clang-san-iossim/llvm-project/llvm/include/llvm/ProfileData/InstrProfReader.h:22:
In file included from /Users/ec2-user/jenkins/workspace/llvm.org/clang-san-iossim/llvm-project/llvm/include/llvm/ProfileData/InstrProfCorrelator.h:21:
/Users/ec2-user/jenkins/workspace/llvm.org/clang-san-iossim/llvm-project/llvm/include/llvm/Support/YAMLTraits.h:1173:36: error: implicit instantiation of undefined template 'llvm::yaml::MissingTrait<unsigned long>'
  char missing_yaml_trait_for_type[sizeof(MissingTrait<T>)];
                                   ^
/Users/ec2-user/jenkins/workspace/llvm.org/clang-san-iossim/llvm-project/llvm/include/llvm/Support/YAMLTraits.h:961:7: note: in instantiation of function template specialization 'llvm::yaml::yamlize<unsigned long>' requested here
      yamlize(*this, Val, Required, Ctx);
      ^
/Users/ec2-user/jenkins/workspace/llvm.org/clang-san-iossim/llvm-project/llvm/include/llvm/Support/YAMLTraits.h:883:11: note: in instantiation of function template specialization 'llvm::yaml::IO::processKey<unsigned long, llvm::yaml::EmptyContext>' requested here
    this->processKey(Key, Val, true, Ctx);
          ^
/Users/ec2-user/jenkins/workspace/llvm.org/clang-san-iossim/llvm-project/llvm/include/llvm/ProfileData/MIBEntryDef.inc:55:1: note: in instantiation of function template specialization 'llvm::yaml::IO::mapRequired<unsigned long>' requested here
MIBEntryDef(AccessHistogram = 27, AccessHistogram, uintptr_t)
^
/Users/ec2-user/jenkins/workspace/llvm.org/clang-san-iossim/llvm-project/llvm/lib/ProfileData/MemProfReader.cpp:77:8: note: expanded from macro 'MIBEntryDef'
    Io.mapRequired(KeyStr.str().c_str(), MIB.Name);                            \
       ^
/Users/ec2-user/jenkins/workspace/llvm.org/clang-san-iossim/llvm-project/llvm/include/llvm/Support/YAMLTraits.h:310:8: note: template is declared here
struct MissingTrait;
       ^
1 error generated.

1 files changed, 0 insertions, 77 deletions

diff --git a/llvm/unittests/ProfileData/MemProfTest.cpp b/llvm/unittests/ProfileData/MemProfTest.cpp
index 5ab860e..b3b6249 100644
--- a/llvm/unittests/ProfileData/MemProfTest.cpp
+++ b/llvm/unittests/ProfileData/MemProfTest.cpp
@@ -34,7 +34,6 @@ using ::llvm::memprof::CallStackId;
 using ::llvm::memprof::CallStackMap;
 using ::llvm::memprof::Frame;
 using ::llvm::memprof::FrameId;
-using ::llvm::memprof::hashCallStack;
 using ::llvm::memprof::IndexedAllocationInfo;
 using ::llvm::memprof::IndexedMemProfRecord;
 using ::llvm::memprof::MemInfoBlock;
@@ -47,11 +46,8 @@ using ::llvm::memprof::RawMemProfReader;
 using ::llvm::memprof::SegmentEntry;
 using ::llvm::object::SectionedAddress;
 using ::llvm::symbolize::SymbolizableModule;
-using ::testing::ElementsAre;
-using ::testing::Pair;
 using ::testing::Return;
 using ::testing::SizeIs;
-using ::testing::UnorderedElementsAre;
 
 class MockSymbolizer : public SymbolizableModule {
 public:
@@ -746,77 +742,4 @@ TEST(MemProf, RadixTreeBuilderSuccessiveJumps) {
   EXPECT_THAT(Mappings, testing::Contains(testing::Pair(
                             llvm::memprof::hashCallStack(CS4), 10U)));
 }
-
-// Verify that we can parse YAML and retrieve IndexedMemProfData as expected.
-TEST(MemProf, YAMLParser) {
-  StringRef YAMLData = R"YAML(
----
-HeapProfileRecords:
-- GUID: 0xdeadbeef12345678
-  AllocSites:
-  - Callstack:
-    - {Function: 0x100, LineOffset: 11, Column: 10, Inline: true}
-    - {Function: 0x200, LineOffset: 22, Column: 20, Inline: false}
-    MemInfoBlock:
-      AllocCount: 777
-      TotalSize: 888
-  - Callstack:
-    - {Function: 0x300, LineOffset: 33, Column: 30, Inline: false}
-    - {Function: 0x400, LineOffset: 44, Column: 40, Inline: true}
-    MemInfoBlock:
-      AllocCount: 666
-      TotalSize: 555
-  CallSites:
-  - - {Function: 0x500, LineOffset: 55, Column: 50, Inline: true}
-    - {Function: 0x600, LineOffset: 66, Column: 60, Inline: false}
-  - - {Function: 0x700, LineOffset: 77, Column: 70, Inline: true}
-    - {Function: 0x800, LineOffset: 88, Column: 80, Inline: false}
-)YAML";
-
-  llvm::memprof::YAMLMemProfReader YAMLReader;
-  YAMLReader.parse(YAMLData);
-  llvm::memprof::IndexedMemProfData MemProfData = YAMLReader.takeMemProfData();
-
-  Frame F1(0x100, 11, 10, true);
-  Frame F2(0x200, 22, 20, false);
-  Frame F3(0x300, 33, 30, false);
-  Frame F4(0x400, 44, 40, true);
-  Frame F5(0x500, 55, 50, true);
-  Frame F6(0x600, 66, 60, false);
-  Frame F7(0x700, 77, 70, true);
-  Frame F8(0x800, 88, 80, false);
-
-  llvm::SmallVector<FrameId> CS1 = {F1.hash(), F2.hash()};
-  llvm::SmallVector<FrameId> CS2 = {F3.hash(), F4.hash()};
-  llvm::SmallVector<FrameId> CS3 = {F5.hash(), F6.hash()};
-  llvm::SmallVector<FrameId> CS4 = {F7.hash(), F8.hash()};
-
-  // Verify the entire contents of MemProfData.Frames.
-  EXPECT_THAT(MemProfData.Frames,
-              UnorderedElementsAre(Pair(F1.hash(), F1), Pair(F2.hash(), F2),
-                                   Pair(F3.hash(), F3), Pair(F4.hash(), F4),
-                                   Pair(F5.hash(), F5), Pair(F6.hash(), F6),
-                                   Pair(F7.hash(), F7), Pair(F8.hash(), F8)));
-
-  // Verify the entire contents of MemProfData.Frames.
-  EXPECT_THAT(MemProfData.CallStacks,
-              UnorderedElementsAre(Pair(hashCallStack(CS1), CS1),
-                                   Pair(hashCallStack(CS2), CS2),
-                                   Pair(hashCallStack(CS3), CS3),
-                                   Pair(hashCallStack(CS4), CS4)));
-
-  // Verify the entire contents of MemProfData.Records.
-  ASSERT_THAT(MemProfData.Records, SizeIs(1));
-  const auto &[GUID, Record] = *MemProfData.Records.begin();
-  EXPECT_EQ(GUID, 0xdeadbeef12345678ULL);
-  ASSERT_THAT(Record.AllocSites, SizeIs(2));
-  EXPECT_EQ(Record.AllocSites[0].CSId, hashCallStack(CS1));
-  EXPECT_EQ(Record.AllocSites[0].Info.getAllocCount(), 777U);
-  EXPECT_EQ(Record.AllocSites[0].Info.getTotalSize(), 888U);
-  EXPECT_EQ(Record.AllocSites[1].CSId, hashCallStack(CS2));
-  EXPECT_EQ(Record.AllocSites[1].Info.getAllocCount(), 666U);
-  EXPECT_EQ(Record.AllocSites[1].Info.getTotalSize(), 555U);
-  EXPECT_THAT(Record.CallSiteIds,
-              ElementsAre(hashCallStack(CS3), hashCallStack(CS4)));
-}
 } // namespace