1 files changed, 0 insertions, 157 deletions
diff --git a/contrib/llvm/lib/Target/Sparc/LeonPasses.cpp b/contrib/llvm/lib/Target/Sparc/LeonPasses.cpp
deleted file mode 100755
index e9d3aaeb9cfe..000000000000
--- a/contrib/llvm/lib/Target/Sparc/LeonPasses.cpp
+++ /dev/null
@@ -1,157 +0,0 @@
-//===------ LeonPasses.cpp - Define passes specific to LEON ---------------===//
-//
-// 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
-//
-//===----------------------------------------------------------------------===//
-//
-//
-//===----------------------------------------------------------------------===//
-
-#include "LeonPasses.h"
-#include "llvm/CodeGen/ISDOpcodes.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/CodeGen/MachineInstrBuilder.h"
-#include "llvm/CodeGen/MachineRegisterInfo.h"
-#include "llvm/IR/DiagnosticInfo.h"
-#include "llvm/IR/LLVMContext.h"
-#include "llvm/Support/raw_ostream.h"
-using namespace llvm;
-
-LEONMachineFunctionPass::LEONMachineFunctionPass(char &ID)
-    : MachineFunctionPass(ID) {}
-
-//*****************************************************************************
-//**** InsertNOPLoad pass
-//*****************************************************************************
-// This pass fixes the incorrectly working Load instructions that exists for
-// some earlier versions of the LEON processor line. NOP instructions must
-// be inserted after the load instruction to ensure that the Load instruction
-// behaves as expected for these processors.
-//
-// This pass inserts a NOP after any LD or LDF instruction.
-//
-char InsertNOPLoad::ID = 0;
-
-InsertNOPLoad::InsertNOPLoad() : LEONMachineFunctionPass(ID) {}
-
-bool InsertNOPLoad::runOnMachineFunction(MachineFunction &MF) {
-  Subtarget = &MF.getSubtarget<SparcSubtarget>();
-  const TargetInstrInfo &TII = *Subtarget->getInstrInfo();
-  DebugLoc DL = DebugLoc();
-
-  bool Modified = false;
-  for (auto MFI = MF.begin(), E = MF.end(); MFI != E; ++MFI) {
-    MachineBasicBlock &MBB = *MFI;
-    for (auto MBBI = MBB.begin(), E = MBB.end(); MBBI != E; ++MBBI) {
-      MachineInstr &MI = *MBBI;
-      unsigned Opcode = MI.getOpcode();
-      if (Opcode >= SP::LDDArr && Opcode <= SP::LDrr) {
-        MachineBasicBlock::iterator NMBBI = std::next(MBBI);
-        BuildMI(MBB, NMBBI, DL, TII.get(SP::NOP));
-        Modified = true;
-      }
-    }
-  }
-
-  return Modified;
-}
-
-
-
-//*****************************************************************************
-//**** DetectRoundChange pass
-//*****************************************************************************
-// To prevent any explicit change of the default rounding mode, this pass
-// detects any call of the fesetround function.
-// A warning is generated to ensure the user knows this has happened.
-//
-// Detects an erratum in UT699 LEON 3 processor
-
-char DetectRoundChange::ID = 0;
-
-DetectRoundChange::DetectRoundChange() : LEONMachineFunctionPass(ID) {}
-
-bool DetectRoundChange::runOnMachineFunction(MachineFunction &MF) {
-  Subtarget = &MF.getSubtarget<SparcSubtarget>();
-
-  bool Modified = false;
-  for (auto MFI = MF.begin(), E = MF.end(); MFI != E; ++MFI) {
-    MachineBasicBlock &MBB = *MFI;
-    for (auto MBBI = MBB.begin(), E = MBB.end(); MBBI != E; ++MBBI) {
-      MachineInstr &MI = *MBBI;
-      unsigned Opcode = MI.getOpcode();
-      if (Opcode == SP::CALL && MI.getNumOperands() > 0) {
-        MachineOperand &MO = MI.getOperand(0);
-
-        if (MO.isGlobal()) {
-          StringRef FuncName = MO.getGlobal()->getName();
-          if (FuncName.compare_lower("fesetround") == 0) {
-            errs() << "Error: You are using the detectroundchange "
-                      "option to detect rounding changes that will "
-                      "cause LEON errata. The only way to fix this "
-                      "is to remove the call to fesetround from "
-                      "the source code.\n";
-          }
-        }
-      }
-    }
-  }
-
-  return Modified;
-}
-
-//*****************************************************************************
-//**** FixAllFDIVSQRT pass
-//*****************************************************************************
-// This pass fixes the incorrectly working FDIVx and FSQRTx instructions that
-// exist for some earlier versions of the LEON processor line. Five NOP
-// instructions need to be inserted after these instructions to ensure the
-// correct result is placed in the destination registers before they are used.
-//
-// This pass implements two fixes:
-//  1) fixing the FSQRTS and FSQRTD instructions.
-//  2) fixing the FDIVS and FDIVD instructions.
-//
-// FSQRTS and FDIVS are converted to FDIVD and FSQRTD respectively earlier in
-// the pipeline when this option is enabled, so this pass needs only to deal
-// with the changes that still need implementing for the "double" versions
-// of these instructions.
-//
-char FixAllFDIVSQRT::ID = 0;
-
-FixAllFDIVSQRT::FixAllFDIVSQRT() : LEONMachineFunctionPass(ID) {}
-
-bool FixAllFDIVSQRT::runOnMachineFunction(MachineFunction &MF) {
-  Subtarget = &MF.getSubtarget<SparcSubtarget>();
-  const TargetInstrInfo &TII = *Subtarget->getInstrInfo();
-  DebugLoc DL = DebugLoc();
-
-  bool Modified = false;
-  for (auto MFI = MF.begin(), E = MF.end(); MFI != E; ++MFI) {
-    MachineBasicBlock &MBB = *MFI;
-    for (auto MBBI = MBB.begin(), E = MBB.end(); MBBI != E; ++MBBI) {
-      MachineInstr &MI = *MBBI;
-      unsigned Opcode = MI.getOpcode();
-
-      // Note: FDIVS and FSQRTS cannot be generated when this erratum fix is
-      // switched on so we don't need to check for them here. They will
-      // already have been converted to FSQRTD or FDIVD earlier in the
-      // pipeline.
-      if (Opcode == SP::FSQRTD || Opcode == SP::FDIVD) {
-        for (int InsertedCount = 0; InsertedCount < 5; InsertedCount++)
-          BuildMI(MBB, MBBI, DL, TII.get(SP::NOP));
-
-        MachineBasicBlock::iterator NMBBI = std::next(MBBI);
-        for (int InsertedCount = 0; InsertedCount < 28; InsertedCount++)
-          BuildMI(MBB, NMBBI, DL, TII.get(SP::NOP));
-
-        Modified = true;
-      }
-    }
-  }
-
-  return Modified;
-}