[llvm-branch-commits] [llvm] d69790b - Revert "[MemProf] Use radix tree for alloc contexts in bitcode summaries (#11…"
via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Fri Nov 22 14:57:30 PST 2024
Author: Teresa Johnson
Date: 2024-11-22T14:57:26-08:00
New Revision: d69790b481cea9196b7b59f542c8771f3103b425
URL: https://github.com/llvm/llvm-project/commit/d69790b481cea9196b7b59f542c8771f3103b425
DIFF: https://github.com/llvm/llvm-project/commit/d69790b481cea9196b7b59f542c8771f3103b425.diff
LOG: Revert "[MemProf] Use radix tree for alloc contexts in bitcode summaries (#11…"
This reverts commit ccb4702038900d82d1041ff610788740f5cef723.
Added:
Modified:
llvm/include/llvm/Bitcode/LLVMBitCodes.h
llvm/lib/Bitcode/Reader/BitcodeAnalyzer.cpp
llvm/lib/Bitcode/Reader/BitcodeReader.cpp
llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
llvm/lib/ProfileData/MemProf.cpp
Removed:
llvm/test/ThinLTO/X86/Inputs/memprof-old-alloc-context-summary.bc
llvm/test/ThinLTO/X86/memprof-old-alloc-context-summary.ll
################################################################################
diff --git a/llvm/include/llvm/Bitcode/LLVMBitCodes.h b/llvm/include/llvm/Bitcode/LLVMBitCodes.h
index 41909a8fc1d590..a0fb32f67e3858 100644
--- a/llvm/include/llvm/Bitcode/LLVMBitCodes.h
+++ b/llvm/include/llvm/Bitcode/LLVMBitCodes.h
@@ -307,12 +307,12 @@ enum GlobalValueSummarySymtabCodes {
// [valueid, n x stackidindex]
FS_PERMODULE_CALLSITE_INFO = 26,
// Summary of per-module allocation memprof metadata.
- // [nummib, nummib x (alloc type, context radix tree index),
+ // [nummib, nummib x (alloc type, numstackids, numstackids x stackidindex),
// [nummib x (numcontext x total size)]?]
FS_PERMODULE_ALLOC_INFO = 27,
// Summary of combined index memprof callsite metadata.
- // [valueid, context radix tree index, numver,
- // numver x version]
+ // [valueid, numstackindices, numver,
+ // numstackindices x stackidindex, numver x version]
FS_COMBINED_CALLSITE_INFO = 28,
// Summary of combined index allocation memprof metadata.
// [nummib, numver,
@@ -331,10 +331,6 @@ enum GlobalValueSummarySymtabCodes {
// the entries must be in the exact same order as the corresponding sizes.
// [nummib x (numcontext x full stack id)]
FS_ALLOC_CONTEXT_IDS = 31,
- // Linearized radix tree of allocation contexts. See the description above the
- // CallStackRadixTreeBuilder class in ProfileData/MemProf.h for format.
- // [n x entry]
- FS_CONTEXT_RADIX_TREE_ARRAY = 32,
};
enum MetadataCodes {
diff --git a/llvm/lib/Bitcode/Reader/BitcodeAnalyzer.cpp b/llvm/lib/Bitcode/Reader/BitcodeAnalyzer.cpp
index 032c0de3c7a00f..8f79ccdb9ff75f 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeAnalyzer.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeAnalyzer.cpp
@@ -329,7 +329,6 @@ GetCodeName(unsigned CodeID, unsigned BlockID,
STRINGIFY_CODE(FS, COMBINED_ALLOC_INFO)
STRINGIFY_CODE(FS, STACK_IDS)
STRINGIFY_CODE(FS, ALLOC_CONTEXT_IDS)
- STRINGIFY_CODE(FS, CONTEXT_RADIX_TREE_ARRAY)
}
case bitc::METADATA_ATTACHMENT_ID:
switch (CodeID) {
diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
index 11fbe6e6158eec..3e6abacac27261 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -987,10 +987,6 @@ class ModuleSummaryIndexBitcodeReader : public BitcodeReaderBase {
/// ids from the lists in the callsite and alloc entries to the index.
std::vector<uint64_t> StackIds;
- /// Linearized radix tree of allocation contexts. See the description above
- /// the CallStackRadixTreeBuilder class in ProfileData/MemProf.h for format.
- std::vector<uint64_t> RadixArray;
-
public:
ModuleSummaryIndexBitcodeReader(
BitstreamCursor Stream, StringRef Strtab, ModuleSummaryIndex &TheIndex,
@@ -1017,8 +1013,6 @@ class ModuleSummaryIndexBitcodeReader : public BitcodeReaderBase {
TypeIdCompatibleVtableInfo &TypeId);
std::vector<FunctionSummary::ParamAccess>
parseParamAccesses(ArrayRef<uint64_t> Record);
- SmallVector<unsigned> parseAllocInfoContext(ArrayRef<uint64_t> Record,
- unsigned &I);
template <bool AllowNullValueInfo = false>
std::pair<ValueInfo, GlobalValue::GUID>
@@ -7550,48 +7544,6 @@ void ModuleSummaryIndexBitcodeReader::parseTypeIdCompatibleVtableSummaryRecord(
parseTypeIdCompatibleVtableInfo(Record, Slot, TypeId);
}
-SmallVector<unsigned> ModuleSummaryIndexBitcodeReader::parseAllocInfoContext(
- ArrayRef<uint64_t> Record, unsigned &I) {
- SmallVector<unsigned> StackIdList;
- // For backwards compatibility with old format before radix tree was
- // used, simply see if we found a radix tree array record (and thus if
- // the RadixArray is non-empty).
- if (RadixArray.empty()) {
- unsigned NumStackEntries = Record[I++];
- assert(Record.size() - I >= NumStackEntries);
- StackIdList.reserve(NumStackEntries);
- for (unsigned J = 0; J < NumStackEntries; J++) {
- assert(Record[I] < StackIds.size());
- StackIdList.push_back(
- TheIndex.addOrGetStackIdIndex(StackIds[Record[I++]]));
- }
- } else {
- unsigned RadixIndex = Record[I++];
- // See the comments above CallStackRadixTreeBuilder in ProfileData/MemProf.h
- // for a detailed description of the radix tree array format. Briefly, the
- // first entry will be the number of frames, any negative values are the
- // negative of the offset of the next frame, and otherwise the frames are in
- // increasing linear order.
- assert(RadixIndex < RadixArray.size());
- unsigned NumStackIds = RadixArray[RadixIndex++];
- StackIdList.reserve(NumStackIds);
- while (NumStackIds--) {
- assert(RadixIndex < RadixArray.size());
- unsigned Elem = RadixArray[RadixIndex];
- if (static_cast<std::make_signed_t<unsigned>>(Elem) < 0) {
- RadixIndex = RadixIndex - Elem;
- assert(RadixIndex < RadixArray.size());
- Elem = RadixArray[RadixIndex];
- // We shouldn't encounter a second offset in a row.
- assert(static_cast<std::make_signed_t<unsigned>>(Elem) >= 0);
- }
- RadixIndex++;
- StackIdList.push_back(TheIndex.addOrGetStackIdIndex(StackIds[Elem]));
- }
- }
- return StackIdList;
-}
-
static void setSpecialRefs(SmallVectorImpl<ValueInfo> &Refs, unsigned ROCnt,
unsigned WOCnt) {
// Readonly and writeonly refs are in the end of the refs list.
@@ -8058,11 +8010,6 @@ Error ModuleSummaryIndexBitcodeReader::parseEntireSummary(unsigned ID) {
break;
}
- case bitc::FS_CONTEXT_RADIX_TREE_ARRAY: { // [n x entry]
- RadixArray = ArrayRef<uint64_t>(Record);
- break;
- }
-
case bitc::FS_PERMODULE_CALLSITE_INFO: {
unsigned ValueID = Record[0];
SmallVector<unsigned> StackIdList;
@@ -8118,7 +8065,14 @@ Error ModuleSummaryIndexBitcodeReader::parseEntireSummary(unsigned ID) {
(Version < 10 && I < Record.size())) {
assert(Record.size() - I >= 2);
AllocationType AllocType = (AllocationType)Record[I++];
- auto StackIdList = parseAllocInfoContext(Record, I);
+ unsigned NumStackEntries = Record[I++];
+ assert(Record.size() - I >= NumStackEntries);
+ SmallVector<unsigned> StackIdList;
+ for (unsigned J = 0; J < NumStackEntries; J++) {
+ assert(Record[I] < StackIds.size());
+ StackIdList.push_back(
+ TheIndex.addOrGetStackIdIndex(StackIds[Record[I++]]));
+ }
MIBs.push_back(MIBInfo(AllocType, std::move(StackIdList)));
}
// We either have nothing left or at least NumMIBs context size info
@@ -8169,7 +8123,14 @@ Error ModuleSummaryIndexBitcodeReader::parseEntireSummary(unsigned ID) {
while (MIBsRead++ < NumMIBs) {
assert(Record.size() - I >= 2);
AllocationType AllocType = (AllocationType)Record[I++];
- auto StackIdList = parseAllocInfoContext(Record, I);
+ unsigned NumStackEntries = Record[I++];
+ assert(Record.size() - I >= NumStackEntries);
+ SmallVector<unsigned> StackIdList;
+ for (unsigned J = 0; J < NumStackEntries; J++) {
+ assert(Record[I] < StackIds.size());
+ StackIdList.push_back(
+ TheIndex.addOrGetStackIdIndex(StackIds[Record[I++]]));
+ }
MIBs.push_back(MIBInfo(AllocType, std::move(StackIdList)));
}
assert(Record.size() - I >= NumVersions);
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index 8f22a50a5e0245..59e070a5110620 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -60,7 +60,6 @@
#include "llvm/MC/StringTableBuilder.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Object/IRSymtab.h"
-#include "llvm/ProfileData/MemProf.h"
#include "llvm/Support/AtomicOrdering.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
@@ -84,7 +83,6 @@
#include <vector>
using namespace llvm;
-using namespace llvm::memprof;
static cl::opt<unsigned>
IndexThreshold("bitcode-mdindex-threshold", cl::Hidden, cl::init(25),
@@ -233,8 +231,7 @@ class ModuleBitcodeWriterBase : public BitcodeWriterBase {
SmallVector<uint64_t, 64> &NameVals, GlobalValueSummary *Summary,
unsigned ValueID, unsigned FSCallsAbbrev, unsigned FSCallsProfileAbbrev,
unsigned CallsiteAbbrev, unsigned AllocAbbrev, unsigned ContextIdAbbvId,
- const Function &F, DenseMap<CallStackId, LinearCallStackId> &CallStackPos,
- CallStackId &CallStackCount);
+ const Function &F);
void writeModuleLevelReferences(const GlobalVariable &V,
SmallVector<uint64_t, 64> &NameVals,
unsigned FSModRefsAbbrev,
@@ -4198,58 +4195,12 @@ static void writeTypeIdCompatibleVtableSummaryRecord(
}
}
-// Adds the allocation contexts to the CallStacks map. We simply use the
-// size at the time the context was added as the CallStackId. This works because
-// when we look up the call stacks later on we process the function summaries
-// and their allocation records in the same exact order.
-static void collectMemProfCallStacks(
- FunctionSummary *FS, std::function<LinearFrameId(unsigned)> GetStackIndex,
- MapVector<CallStackId, llvm::SmallVector<LinearFrameId>> &CallStacks) {
- // The interfaces in ProfileData/MemProf.h use a type alias for a stack frame
- // id offset into the index of the full stack frames. The ModuleSummaryIndex
- // currently uses unsigned. Make sure these stay in sync.
- static_assert(std::is_same_v<LinearFrameId, unsigned>);
- for (auto &AI : FS->allocs()) {
- for (auto &MIB : AI.MIBs) {
- SmallVector<unsigned> StackIdIndices;
- StackIdIndices.reserve(MIB.StackIdIndices.size());
- for (auto Id : MIB.StackIdIndices)
- StackIdIndices.push_back(GetStackIndex(Id));
- // The CallStackId is the size at the time this context was inserted.
- CallStacks.insert({CallStacks.size(), StackIdIndices});
- }
- }
-}
-
-// Build the radix tree from the accumulated CallStacks, write out the resulting
-// linearized radix tree array, and return the map of call stack positions into
-// this array for use when writing the allocation records. The returned map is
-// indexed by a CallStackId which in this case is implicitly determined by the
-// order of function summaries and their allocation infos being written.
-static DenseMap<CallStackId, LinearCallStackId> writeMemoryProfileRadixTree(
- MapVector<CallStackId, llvm::SmallVector<LinearFrameId>> &&CallStacks,
- BitstreamWriter &Stream, unsigned RadixAbbrev) {
- assert(!CallStacks.empty());
- DenseMap<unsigned, FrameStat> FrameHistogram =
- computeFrameHistogram<LinearFrameId>(CallStacks);
- CallStackRadixTreeBuilder<LinearFrameId> Builder;
- // We don't need a MemProfFrameIndexes map as we have already converted the
- // full stack id hash to a linear offset into the StackIds array.
- Builder.build(std::move(CallStacks), /*MemProfFrameIndexes=*/std::nullopt,
- FrameHistogram);
- Stream.EmitRecord(bitc::FS_CONTEXT_RADIX_TREE_ARRAY, Builder.getRadixArray(),
- RadixAbbrev);
- return Builder.takeCallStackPos();
-}
-
static void writeFunctionHeapProfileRecords(
BitstreamWriter &Stream, FunctionSummary *FS, unsigned CallsiteAbbrev,
unsigned AllocAbbrev, unsigned ContextIdAbbvId, bool PerModule,
std::function<unsigned(const ValueInfo &VI)> GetValueID,
std::function<unsigned(unsigned)> GetStackIndex,
- bool WriteContextSizeInfoIndex,
- DenseMap<CallStackId, LinearCallStackId> &CallStackPos,
- CallStackId &CallStackCount) {
+ bool WriteContextSizeInfoIndex) {
SmallVector<uint64_t> Record;
for (auto &CI : FS->callsites()) {
@@ -4283,9 +4234,9 @@ static void writeFunctionHeapProfileRecords(
Record.push_back(AI.Versions.size());
for (auto &MIB : AI.MIBs) {
Record.push_back((uint8_t)MIB.AllocType);
- // Record the index into the radix tree array for this context.
- assert(CallStackCount <= CallStackPos.size());
- Record.push_back(CallStackPos[CallStackCount++]);
+ Record.push_back(MIB.StackIdIndices.size());
+ for (auto Id : MIB.StackIdIndices)
+ Record.push_back(GetStackIndex(Id));
}
if (!PerModule) {
for (auto V : AI.Versions)
@@ -4331,9 +4282,7 @@ void ModuleBitcodeWriterBase::writePerModuleFunctionSummaryRecord(
SmallVector<uint64_t, 64> &NameVals, GlobalValueSummary *Summary,
unsigned ValueID, unsigned FSCallsRelBFAbbrev,
unsigned FSCallsProfileAbbrev, unsigned CallsiteAbbrev,
- unsigned AllocAbbrev, unsigned ContextIdAbbvId, const Function &F,
- DenseMap<CallStackId, LinearCallStackId> &CallStackPos,
- CallStackId &CallStackCount) {
+ unsigned AllocAbbrev, unsigned ContextIdAbbvId, const Function &F) {
NameVals.push_back(ValueID);
FunctionSummary *FS = cast<FunctionSummary>(Summary);
@@ -4348,7 +4297,7 @@ void ModuleBitcodeWriterBase::writePerModuleFunctionSummaryRecord(
/*PerModule*/ true,
/*GetValueId*/ [&](const ValueInfo &VI) { return getValueId(VI); },
/*GetStackIndex*/ [&](unsigned I) { return I; },
- /*WriteContextSizeInfoIndex*/ true, CallStackPos, CallStackCount);
+ /*WriteContextSizeInfoIndex*/ true);
auto SpecialRefCnts = FS->specialRefCounts();
NameVals.push_back(getEncodedGVSummaryFlags(FS->flags()));
@@ -4581,54 +4530,12 @@ void ModuleBitcodeWriterBase::writePerModuleGlobalValueSummary() {
Abbv = std::make_shared<BitCodeAbbrev>();
Abbv->Add(BitCodeAbbrevOp(bitc::FS_PERMODULE_ALLOC_INFO));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // nummib
- // n x (alloc type, context radix tree index)
+ // n x (alloc type, numstackids, numstackids x stackidindex)
// optional: nummib x (numcontext x total size)
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8));
unsigned AllocAbbrev = Stream.EmitAbbrev(std::move(Abbv));
- Abbv = std::make_shared<BitCodeAbbrev>();
- Abbv->Add(BitCodeAbbrevOp(bitc::FS_CONTEXT_RADIX_TREE_ARRAY));
- // n x entry
- Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
- Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8));
- unsigned RadixAbbrev = Stream.EmitAbbrev(std::move(Abbv));
-
- // First walk through all the functions and collect the allocation contexts in
- // their associated summaries, for use in constructing a radix tree of
- // contexts. Note that we need to do this in the same order as the functions
- // are processed further below since the call stack positions in the resulting
- // radix tree array are identified based on this order.
- MapVector<CallStackId, llvm::SmallVector<LinearFrameId>> CallStacks;
- for (const Function &F : M) {
- // Summary emission does not support anonymous functions, they have to be
- // renamed using the anonymous function renaming pass.
- if (!F.hasName())
- report_fatal_error("Unexpected anonymous function when writing summary");
-
- ValueInfo VI = Index->getValueInfo(F.getGUID());
- if (!VI || VI.getSummaryList().empty()) {
- // Only declarations should not have a summary (a declaration might
- // however have a summary if the def was in module level asm).
- assert(F.isDeclaration());
- continue;
- }
- auto *Summary = VI.getSummaryList()[0].get();
- FunctionSummary *FS = cast<FunctionSummary>(Summary);
- collectMemProfCallStacks(
- FS, /*GetStackIndex*/ [](unsigned I) { return I; }, CallStacks);
- }
- // Finalize the radix tree, write it out, and get the map of positions in the
- // linearized tree array.
- DenseMap<CallStackId, LinearCallStackId> CallStackPos;
- if (!CallStacks.empty()) {
- CallStackPos =
- writeMemoryProfileRadixTree(std::move(CallStacks), Stream, RadixAbbrev);
- }
-
- // Keep track of the current index into the CallStackPos map.
- CallStackId CallStackCount = 0;
-
SmallVector<uint64_t, 64> NameVals;
// Iterate over the list of functions instead of the Index to
// ensure the ordering is stable.
@@ -4648,8 +4555,7 @@ void ModuleBitcodeWriterBase::writePerModuleGlobalValueSummary() {
auto *Summary = VI.getSummaryList()[0].get();
writePerModuleFunctionSummaryRecord(
NameVals, Summary, VE.getValueID(&F), FSCallsRelBFAbbrev,
- FSCallsProfileAbbrev, CallsiteAbbrev, AllocAbbrev, ContextIdAbbvId, F,
- CallStackPos, CallStackCount);
+ FSCallsProfileAbbrev, CallsiteAbbrev, AllocAbbrev, ContextIdAbbvId, F);
}
// Capture references from GlobalVariable initializers, which are outside
@@ -4786,20 +4692,13 @@ void IndexBitcodeWriter::writeCombinedGlobalValueSummary() {
Abbv->Add(BitCodeAbbrevOp(bitc::FS_COMBINED_ALLOC_INFO));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // nummib
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 4)); // numver
- // nummib x (alloc type, context radix tree index),
+ // nummib x (alloc type, numstackids, numstackids x stackidindex),
// numver x version
// optional: nummib x total size
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8));
unsigned AllocAbbrev = Stream.EmitAbbrev(std::move(Abbv));
- Abbv = std::make_shared<BitCodeAbbrev>();
- Abbv->Add(BitCodeAbbrevOp(bitc::FS_CONTEXT_RADIX_TREE_ARRAY));
- // n x entry
- Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
- Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8));
- unsigned RadixAbbrev = Stream.EmitAbbrev(std::move(Abbv));
-
auto shouldImportValueAsDecl = [&](GlobalValueSummary *GVS) -> bool {
if (DecSummaries == nullptr)
return false;
@@ -4836,41 +4735,6 @@ void IndexBitcodeWriter::writeCombinedGlobalValueSummary() {
NameVals.clear();
};
- // First walk through all the functions and collect the allocation contexts in
- // their associated summaries, for use in constructing a radix tree of
- // contexts. Note that we need to do this in the same order as the functions
- // are processed further below since the call stack positions in the resulting
- // radix tree array are identified based on this order.
- MapVector<CallStackId, llvm::SmallVector<LinearFrameId>> CallStacks;
- forEachSummary([&](GVInfo I, bool IsAliasee) {
- GlobalValueSummary *S = I.second;
- assert(S);
- auto *FS = dyn_cast<FunctionSummary>(S);
- if (!FS)
- return;
- collectMemProfCallStacks(
- FS,
- /*GetStackIndex*/
- [&](unsigned I) {
- // Get the corresponding index into the list of StackIds actually
- // being written for this combined index (which may be a subset in
- // the case of distributed indexes).
- assert(StackIdIndicesToIndex.contains(I));
- return StackIdIndicesToIndex[I];
- },
- CallStacks);
- });
- // Finalize the radix tree, write it out, and get the map of positions in the
- // linearized tree array.
- DenseMap<CallStackId, LinearCallStackId> CallStackPos;
- if (!CallStacks.empty()) {
- CallStackPos =
- writeMemoryProfileRadixTree(std::move(CallStacks), Stream, RadixAbbrev);
- }
-
- // Keep track of the current index into the CallStackPos map.
- CallStackId CallStackCount = 0;
-
DenseSet<GlobalValue::GUID> DefOrUseGUIDs;
forEachSummary([&](GVInfo I, bool IsAliasee) {
GlobalValueSummary *S = I.second;
@@ -4949,7 +4813,7 @@ void IndexBitcodeWriter::writeCombinedGlobalValueSummary() {
assert(StackIdIndicesToIndex.contains(I));
return StackIdIndicesToIndex[I];
},
- /*WriteContextSizeInfoIndex*/ false, CallStackPos, CallStackCount);
+ /*WriteContextSizeInfoIndex*/ false);
NameVals.push_back(*ValueId);
assert(ModuleIdMap.count(FS->modulePath()));
diff --git a/llvm/lib/ProfileData/MemProf.cpp b/llvm/lib/ProfileData/MemProf.cpp
index 70741ee4850bd8..9615fdf77eb27e 100644
--- a/llvm/lib/ProfileData/MemProf.cpp
+++ b/llvm/lib/ProfileData/MemProf.cpp
@@ -510,7 +510,6 @@ void CallStackRadixTreeBuilder<FrameIdTy>::build(
// Explicitly instantiate class with the utilized FrameIdTy.
template class CallStackRadixTreeBuilder<FrameId>;
-template class CallStackRadixTreeBuilder<LinearFrameId>;
template <typename FrameIdTy>
llvm::DenseMap<FrameIdTy, FrameStat>
@@ -533,10 +532,6 @@ computeFrameHistogram(llvm::MapVector<CallStackId, llvm::SmallVector<FrameIdTy>>
template llvm::DenseMap<FrameId, FrameStat> computeFrameHistogram<FrameId>(
llvm::MapVector<CallStackId, llvm::SmallVector<FrameId>>
&MemProfCallStackData);
-template llvm::DenseMap<LinearFrameId, FrameStat>
-computeFrameHistogram<LinearFrameId>(
- llvm::MapVector<CallStackId, llvm::SmallVector<LinearFrameId>>
- &MemProfCallStackData);
void verifyIndexedMemProfRecord(const IndexedMemProfRecord &Record) {
for (const auto &AS : Record.AllocSites) {
diff --git a/llvm/test/ThinLTO/X86/Inputs/memprof-old-alloc-context-summary.bc b/llvm/test/ThinLTO/X86/Inputs/memprof-old-alloc-context-summary.bc
deleted file mode 100644
index c98308f4637f84..00000000000000
Binary files a/llvm/test/ThinLTO/X86/Inputs/memprof-old-alloc-context-summary.bc and /dev/null
diff er
diff --git a/llvm/test/ThinLTO/X86/memprof-old-alloc-context-summary.ll b/llvm/test/ThinLTO/X86/memprof-old-alloc-context-summary.ll
deleted file mode 100644
index 20f95617915cc5..00000000000000
--- a/llvm/test/ThinLTO/X86/memprof-old-alloc-context-summary.ll
+++ /dev/null
@@ -1,28 +0,0 @@
-;; Check that we can read the old *_ALLOC_INFO summary format that placed the
-;; stack id indexes directly in the alloc info summary, rather than encoding as
-;; a separate radix tree.
-;;
-;; The old bitcode was generated by the older compiler from `opt -thinlto-bc`
-;; on the following LLVM assembly:
-;;
-;; target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
-;; target triple = "x86_64-unknown-linux-gnu"
-;;
-;; define internal ptr @_Z3barv() #0 {
-;; entry:
-;; %call = call ptr @_Znam(i64 0), !memprof !1, !callsite !6
-;; ret ptr null
-;; }
-;;
-;; declare ptr @_Znam(i64)
-;;
-;; !1 = !{!2, !4}
-;; !2 = !{!3, !"notcold"}
-;; !3 = !{i64 9086428284934609951, i64 8632435727821051414}
-;; !4 = !{!5, !"cold"}
-;; !5 = !{i64 9086428284934609951, i64 2732490490862098848}
-;; !6 = !{i64 9086428284934609951}
-
-; RUN: llvm-dis %S/Inputs/memprof-old-alloc-context-summary.bc -o - | FileCheck %s
-; CHECK: stackIds: (8632435727821051414)
-; CHECK-SAME: stackIds: (2732490490862098848)
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