Merge branch 'users/chapuni/cov/single/pair' into users/chapuni/cov/single/nextcount-baseusers/chapuni/cov/single/nextcount-base

1 files changed, 0 insertions, 136 deletions

diff --git a/llvm/lib/Target/SPIRV/SPIRVDuplicatesTracker.cpp b/llvm/lib/Target/SPIRV/SPIRVDuplicatesTracker.cpp
deleted file mode 100644
index 48df845..0000000
--- a/llvm/lib/Target/SPIRV/SPIRVDuplicatesTracker.cpp
+++ /dev/null
@@ -1,136 +0,0 @@
-//===-- SPIRVDuplicatesTracker.cpp - SPIR-V Duplicates Tracker --*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// General infrastructure for keeping track of the values that according to
-// the SPIR-V binary layout should be global to the whole module.
-//
-//===----------------------------------------------------------------------===//
-
-#include "SPIRVDuplicatesTracker.h"
-#include "SPIRVInstrInfo.h"
-
-#define DEBUG_TYPE "build-dep-graph"
-
-using namespace llvm;
-
-template <typename T>
-void SPIRVGeneralDuplicatesTracker::prebuildReg2Entry(
-    SPIRVDuplicatesTracker<T> &DT, SPIRVReg2EntryTy &Reg2Entry,
-    const SPIRVInstrInfo *TII) {
-  for (auto &TPair : DT.getAllUses()) {
-    for (auto &RegPair : TPair.second) {
-      const MachineFunction *MF = RegPair.first;
-      Register R = RegPair.second;
-      MachineInstr *MI = MF->getRegInfo().getUniqueVRegDef(R);
-      if (!MI || (TPair.second.getIsConst() && !TII->isConstantInstr(*MI)))
-        continue;
-      Reg2Entry[&MI->getOperand(0)] = &TPair.second;
-    }
-  }
-}
-
-void SPIRVGeneralDuplicatesTracker::buildDepsGraph(
-    std::vector<SPIRV::DTSortableEntry *> &Graph, const SPIRVInstrInfo *TII,
-    MachineModuleInfo *MMI = nullptr) {
-  SPIRVReg2EntryTy Reg2Entry;
-  prebuildReg2Entry(TT, Reg2Entry, TII);
-  prebuildReg2Entry(CT, Reg2Entry, TII);
-  prebuildReg2Entry(GT, Reg2Entry, TII);
-  prebuildReg2Entry(FT, Reg2Entry, TII);
-  prebuildReg2Entry(AT, Reg2Entry, TII);
-  prebuildReg2Entry(MT, Reg2Entry, TII);
-  prebuildReg2Entry(ST, Reg2Entry, TII);
-
-  for (auto &Op2E : Reg2Entry) {
-    SPIRV::DTSortableEntry *E = Op2E.second;
-    Graph.push_back(E);
-    for (auto &U : *E) {
-      const MachineRegisterInfo &MRI = U.first->getRegInfo();
-      MachineInstr *MI = MRI.getUniqueVRegDef(U.second);
-      if (!MI)
-        continue;
-      assert(MI && MI->getParent() && "No MachineInstr created yet");
-      for (auto i = MI->getNumDefs(); i < MI->getNumOperands(); i++) {
-        MachineOperand &Op = MI->getOperand(i);
-        if (!Op.isReg())
-          continue;
-        MachineInstr *VRegDef = MRI.getVRegDef(Op.getReg());
-        // References to a function via function pointers generate virtual
-        // registers without a definition. We are able to resolve this
-        // reference using Globar Register info into an OpFunction instruction
-        // but do not expect to find it in Reg2Entry.
-        if (MI->getOpcode() == SPIRV::OpConstantFunctionPointerINTEL && i == 2)
-          continue;
-        MachineOperand *RegOp = &VRegDef->getOperand(0);
-        if (Reg2Entry.count(RegOp) == 0 &&
-            (MI->getOpcode() != SPIRV::OpVariable || i != 3)) {
-          // try to repair the unexpected code pattern
-          bool IsFixed = false;
-          if (VRegDef->getOpcode() == TargetOpcode::G_CONSTANT &&
-              RegOp->isReg() && MRI.getType(RegOp->getReg()).isScalar()) {
-            const Constant *C = VRegDef->getOperand(1).getCImm();
-            add(C, MI->getParent()->getParent(), RegOp->getReg());
-            auto Iter = CT.Storage.find(C);
-            if (Iter != CT.Storage.end()) {
-              SPIRV::DTSortableEntry &MissedEntry = Iter->second;
-              Reg2Entry[RegOp] = &MissedEntry;
-              IsFixed = true;
-            }
-          }
-          if (!IsFixed) {
-            std::string DiagMsg;
-            raw_string_ostream OS(DiagMsg);
-            OS << "Unexpected pattern while building a dependency "
-                  "graph.\nInstruction: ";
-            MI->print(OS);
-            OS << "Operand: ";
-            Op.print(OS);
-            OS << "\nOperand definition: ";
-            VRegDef->print(OS);
-            report_fatal_error(DiagMsg.c_str());
-          }
-        }
-        if (Reg2Entry.count(RegOp))
-          E->addDep(Reg2Entry[RegOp]);
-      }
-
-      if (E->getIsFunc()) {
-        MachineInstr *Next = MI->getNextNode();
-        if (Next && (Next->getOpcode() == SPIRV::OpFunction ||
-                     Next->getOpcode() == SPIRV::OpFunctionParameter)) {
-          E->addDep(Reg2Entry[&Next->getOperand(0)]);
-        }
-      }
-    }
-  }
-
-#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
-  if (MMI) {
-    const Module *M = MMI->getModule();
-    for (auto F = M->begin(), E = M->end(); F != E; ++F) {
-      const MachineFunction *MF = MMI->getMachineFunction(*F);
-      if (!MF)
-        continue;
-      for (const MachineBasicBlock &MBB : *MF) {
-        for (const MachineInstr &CMI : MBB) {
-          MachineInstr &MI = const_cast<MachineInstr &>(CMI);
-          MI.dump();
-          if (MI.getNumExplicitDefs() > 0 &&
-              Reg2Entry.count(&MI.getOperand(0))) {
-            dbgs() << "\t[";
-            for (SPIRV::DTSortableEntry *D :
-                 Reg2Entry.lookup(&MI.getOperand(0))->getDeps())
-              dbgs() << Register::virtReg2Index(D->lookup(MF)) << ", ";
-            dbgs() << "]\n";
-          }
-        }
-      }
-    }
-  }
-#endif
-}