1 files changed, 0 insertions, 120 deletions
diff --git a/gnu/llvm/tools/clang/lib/CodeGen/CodeGenPGO.h b/gnu/llvm/tools/clang/lib/CodeGen/CodeGenPGO.h
deleted file mode 100644
index 120ab651a4a..00000000000
--- a/gnu/llvm/tools/clang/lib/CodeGen/CodeGenPGO.h
+++ /dev/null
@@ -1,120 +0,0 @@
-//===--- CodeGenPGO.h - PGO Instrumentation for LLVM CodeGen ----*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Instrumentation-based profile-guided optimization
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_LIB_CODEGEN_CODEGENPGO_H
-#define LLVM_CLANG_LIB_CODEGEN_CODEGENPGO_H
-
-#include "CGBuilder.h"
-#include "CodeGenModule.h"
-#include "CodeGenTypes.h"
-#include "llvm/ProfileData/InstrProfReader.h"
-#include <array>
-#include <memory>
-
-namespace clang {
-namespace CodeGen {
-
-/// Per-function PGO state.
-class CodeGenPGO {
-private:
-  CodeGenModule &CGM;
-  std::string FuncName;
-  llvm::GlobalVariable *FuncNameVar;
-
-  std::array <unsigned, llvm::IPVK_Last + 1> NumValueSites;
-  unsigned NumRegionCounters;
-  uint64_t FunctionHash;
-  std::unique_ptr<llvm::DenseMap<const Stmt *, unsigned>> RegionCounterMap;
-  std::unique_ptr<llvm::DenseMap<const Stmt *, uint64_t>> StmtCountMap;
-  std::unique_ptr<llvm::InstrProfRecord> ProfRecord;
-  std::vector<uint64_t> RegionCounts;
-  uint64_t CurrentRegionCount;
-
-public:
-  CodeGenPGO(CodeGenModule &CGM)
-      : CGM(CGM), NumValueSites({{0}}), NumRegionCounters(0), FunctionHash(0),
-        CurrentRegionCount(0) {}
-
-  /// Whether or not we have PGO region data for the current function. This is
-  /// false both when we have no data at all and when our data has been
-  /// discarded.
-  bool haveRegionCounts() const { return !RegionCounts.empty(); }
-
-  /// Return the counter value of the current region.
-  uint64_t getCurrentRegionCount() const { return CurrentRegionCount; }
-
-  /// Set the counter value for the current region. This is used to keep track
-  /// of changes to the most recent counter from control flow and non-local
-  /// exits.
-  void setCurrentRegionCount(uint64_t Count) { CurrentRegionCount = Count; }
-
-  /// Check if an execution count is known for a given statement. If so, return
-  /// true and put the value in Count; else return false.
-  Optional<uint64_t> getStmtCount(const Stmt *S) {
-    if (!StmtCountMap)
-      return None;
-    auto I = StmtCountMap->find(S);
-    if (I == StmtCountMap->end())
-      return None;
-    return I->second;
-  }
-
-  /// If the execution count for the current statement is known, record that
-  /// as the current count.
-  void setCurrentStmt(const Stmt *S) {
-    if (auto Count = getStmtCount(S))
-      setCurrentRegionCount(*Count);
-  }
-
-  /// Assign counters to regions and configure them for PGO of a given
-  /// function. Does nothing if instrumentation is not enabled and either
-  /// generates global variables or associates PGO data with each of the
-  /// counters depending on whether we are generating or using instrumentation.
-  void assignRegionCounters(GlobalDecl GD, llvm::Function *Fn);
-  /// Emit a coverage mapping range with a counter zero
-  /// for an unused declaration.
-  void emitEmptyCounterMapping(const Decl *D, StringRef FuncName,
-                               llvm::GlobalValue::LinkageTypes Linkage);
-  // Insert instrumentation or attach profile metadata at value sites
-  void valueProfile(CGBuilderTy &Builder, uint32_t ValueKind,
-                    llvm::Instruction *ValueSite, llvm::Value *ValuePtr);
-private:
-  void setFuncName(llvm::Function *Fn);
-  void setFuncName(StringRef Name, llvm::GlobalValue::LinkageTypes Linkage);
-  void mapRegionCounters(const Decl *D);
-  void computeRegionCounts(const Decl *D);
-  void applyFunctionAttributes(llvm::IndexedInstrProfReader *PGOReader,
-                               llvm::Function *Fn);
-  void loadRegionCounts(llvm::IndexedInstrProfReader *PGOReader,
-                        bool IsInMainFile);
-  bool skipRegionMappingForDecl(const Decl *D);
-  void emitCounterRegionMapping(const Decl *D);
-
-public:
-  void emitCounterIncrement(CGBuilderTy &Builder, const Stmt *S,
-                            llvm::Value *StepV);
-
-  /// Return the region count for the counter at the given index.
-  uint64_t getRegionCount(const Stmt *S) {
-    if (!RegionCounterMap)
-      return 0;
-    if (!haveRegionCounts())
-      return 0;
-    return RegionCounts[(*RegionCounterMap)[S]];
-  }
-};
-
-}  // end namespace CodeGen
-}  // end namespace clang
-
-#endif