Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 2 of 2.

1 files changed, 172 insertions, 172 deletions

diff --git a/contrib/libs/llvm12/lib/Target/PowerPC/PPCVSXCopy.cpp b/contrib/libs/llvm12/lib/Target/PowerPC/PPCVSXCopy.cpp
index b71b7a38ed..3463bbbdc5 100644
--- a/contrib/libs/llvm12/lib/Target/PowerPC/PPCVSXCopy.cpp
+++ b/contrib/libs/llvm12/lib/Target/PowerPC/PPCVSXCopy.cpp
@@ -1,172 +1,172 @@
-//===-------------- PPCVSXCopy.cpp - VSX Copy Legalization ----------------===// 
-// 
-// 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 
-// 
-//===----------------------------------------------------------------------===// 
-// 
-// A pass which deals with the complexity of generating legal VSX register 
-// copies to/from register classes which partially overlap with the VSX 
-// register file. 
-// 
-//===----------------------------------------------------------------------===// 
- 
-#include "MCTargetDesc/PPCPredicates.h" 
-#include "PPC.h" 
-#include "PPCHazardRecognizers.h" 
-#include "PPCInstrBuilder.h" 
-#include "PPCInstrInfo.h" 
-#include "PPCMachineFunctionInfo.h" 
-#include "PPCTargetMachine.h" 
-#include "llvm/ADT/STLExtras.h" 
-#include "llvm/ADT/Statistic.h" 
-#include "llvm/CodeGen/MachineFrameInfo.h" 
-#include "llvm/CodeGen/MachineFunctionPass.h" 
-#include "llvm/CodeGen/MachineInstrBuilder.h" 
-#include "llvm/CodeGen/MachineMemOperand.h" 
-#include "llvm/CodeGen/MachineRegisterInfo.h" 
-#include "llvm/MC/MCAsmInfo.h" 
-#include "llvm/Support/Debug.h" 
-#include "llvm/Support/ErrorHandling.h" 
-#include "llvm/Support/TargetRegistry.h" 
-#include "llvm/Support/raw_ostream.h" 
- 
-using namespace llvm; 
- 
-#define DEBUG_TYPE "ppc-vsx-copy" 
- 
-namespace { 
-  // PPCVSXCopy pass - For copies between VSX registers and non-VSX registers 
-  // (Altivec and scalar floating-point registers), we need to transform the 
-  // copies into subregister copies with other restrictions. 
-  struct PPCVSXCopy : public MachineFunctionPass { 
-    static char ID; 
-    PPCVSXCopy() : MachineFunctionPass(ID) { 
-      initializePPCVSXCopyPass(*PassRegistry::getPassRegistry()); 
-    } 
- 
-    const TargetInstrInfo *TII; 
- 
-    bool IsRegInClass(unsigned Reg, const TargetRegisterClass *RC, 
-                      MachineRegisterInfo &MRI) { 
-      if (Register::isVirtualRegister(Reg)) { 
-        return RC->hasSubClassEq(MRI.getRegClass(Reg)); 
-      } else if (RC->contains(Reg)) { 
-        return true; 
-      } 
- 
-      return false; 
-    } 
- 
-    bool IsVSReg(unsigned Reg, MachineRegisterInfo &MRI) { 
-      return IsRegInClass(Reg, &PPC::VSRCRegClass, MRI); 
-    } 
- 
-    bool IsVRReg(unsigned Reg, MachineRegisterInfo &MRI) { 
-      return IsRegInClass(Reg, &PPC::VRRCRegClass, MRI); 
-    } 
- 
-    bool IsF8Reg(unsigned Reg, MachineRegisterInfo &MRI) { 
-      return IsRegInClass(Reg, &PPC::F8RCRegClass, MRI); 
-    } 
- 
-    bool IsVSFReg(unsigned Reg, MachineRegisterInfo &MRI) { 
-      return IsRegInClass(Reg, &PPC::VSFRCRegClass, MRI); 
-    } 
- 
-    bool IsVSSReg(unsigned Reg, MachineRegisterInfo &MRI) { 
-      return IsRegInClass(Reg, &PPC::VSSRCRegClass, MRI); 
-    } 
- 
-protected: 
-    bool processBlock(MachineBasicBlock &MBB) { 
-      bool Changed = false; 
- 
-      MachineRegisterInfo &MRI = MBB.getParent()->getRegInfo(); 
-      for (MachineInstr &MI : MBB) { 
-        if (!MI.isFullCopy()) 
-          continue; 
- 
-        MachineOperand &DstMO = MI.getOperand(0); 
-        MachineOperand &SrcMO = MI.getOperand(1); 
- 
-        if ( IsVSReg(DstMO.getReg(), MRI) && 
-            !IsVSReg(SrcMO.getReg(), MRI)) { 
-          // This is a copy *to* a VSX register from a non-VSX register. 
-          Changed = true; 
- 
-          const TargetRegisterClass *SrcRC = &PPC::VSLRCRegClass; 
-          assert((IsF8Reg(SrcMO.getReg(), MRI) || 
-                  IsVSSReg(SrcMO.getReg(), MRI) || 
-                  IsVSFReg(SrcMO.getReg(), MRI)) && 
-                 "Unknown source for a VSX copy"); 
- 
-          Register NewVReg = MRI.createVirtualRegister(SrcRC); 
-          BuildMI(MBB, MI, MI.getDebugLoc(), 
-                  TII->get(TargetOpcode::SUBREG_TO_REG), NewVReg) 
-              .addImm(1) // add 1, not 0, because there is no implicit clearing 
-                         // of the high bits. 
-              .add(SrcMO) 
-              .addImm(PPC::sub_64); 
- 
-          // The source of the original copy is now the new virtual register. 
-          SrcMO.setReg(NewVReg); 
-        } else if (!IsVSReg(DstMO.getReg(), MRI) && 
-                    IsVSReg(SrcMO.getReg(), MRI)) { 
-          // This is a copy *from* a VSX register to a non-VSX register. 
-          Changed = true; 
- 
-          const TargetRegisterClass *DstRC = &PPC::VSLRCRegClass; 
-          assert((IsF8Reg(DstMO.getReg(), MRI) || 
-                  IsVSFReg(DstMO.getReg(), MRI) || 
-                  IsVSSReg(DstMO.getReg(), MRI)) && 
-                 "Unknown destination for a VSX copy"); 
- 
-          // Copy the VSX value into a new VSX register of the correct subclass. 
-          Register NewVReg = MRI.createVirtualRegister(DstRC); 
-          BuildMI(MBB, MI, MI.getDebugLoc(), TII->get(TargetOpcode::COPY), 
-                  NewVReg) 
-              .add(SrcMO); 
- 
-          // Transform the original copy into a subregister extraction copy. 
-          SrcMO.setReg(NewVReg); 
-          SrcMO.setSubReg(PPC::sub_64); 
-        } 
-      } 
- 
-      return Changed; 
-    } 
- 
-public: 
-    bool runOnMachineFunction(MachineFunction &MF) override { 
-      // If we don't have VSX on the subtarget, don't do anything. 
-      const PPCSubtarget &STI = MF.getSubtarget<PPCSubtarget>(); 
-      if (!STI.hasVSX()) 
-        return false; 
-      TII = STI.getInstrInfo(); 
- 
-      bool Changed = false; 
- 
-      for (MachineFunction::iterator I = MF.begin(); I != MF.end();) { 
-        MachineBasicBlock &B = *I++; 
-        if (processBlock(B)) 
-          Changed = true; 
-      } 
- 
-      return Changed; 
-    } 
- 
-    void getAnalysisUsage(AnalysisUsage &AU) const override { 
-      MachineFunctionPass::getAnalysisUsage(AU); 
-    } 
-  }; 
-} 
- 
-INITIALIZE_PASS(PPCVSXCopy, DEBUG_TYPE, 
-                "PowerPC VSX Copy Legalization", false, false) 
- 
-char PPCVSXCopy::ID = 0; 
-FunctionPass* 
-llvm::createPPCVSXCopyPass() { return new PPCVSXCopy(); } 
- 
+//===-------------- PPCVSXCopy.cpp - VSX Copy Legalization ----------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// A pass which deals with the complexity of generating legal VSX register
+// copies to/from register classes which partially overlap with the VSX
+// register file.
+//
+//===----------------------------------------------------------------------===//
+
+#include "MCTargetDesc/PPCPredicates.h"
+#include "PPC.h"
+#include "PPCHazardRecognizers.h"
+#include "PPCInstrBuilder.h"
+#include "PPCInstrInfo.h"
+#include "PPCMachineFunctionInfo.h"
+#include "PPCTargetMachine.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/Statistic.h"
+#include "llvm/CodeGen/MachineFrameInfo.h"
+#include "llvm/CodeGen/MachineFunctionPass.h"
+#include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/CodeGen/MachineMemOperand.h"
+#include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace llvm;
+
+#define DEBUG_TYPE "ppc-vsx-copy"
+
+namespace {
+  // PPCVSXCopy pass - For copies between VSX registers and non-VSX registers
+  // (Altivec and scalar floating-point registers), we need to transform the
+  // copies into subregister copies with other restrictions.
+  struct PPCVSXCopy : public MachineFunctionPass {
+    static char ID;
+    PPCVSXCopy() : MachineFunctionPass(ID) {
+      initializePPCVSXCopyPass(*PassRegistry::getPassRegistry());
+    }
+
+    const TargetInstrInfo *TII;
+
+    bool IsRegInClass(unsigned Reg, const TargetRegisterClass *RC,
+                      MachineRegisterInfo &MRI) {
+      if (Register::isVirtualRegister(Reg)) {
+        return RC->hasSubClassEq(MRI.getRegClass(Reg));
+      } else if (RC->contains(Reg)) {
+        return true;
+      }
+
+      return false;
+    }
+
+    bool IsVSReg(unsigned Reg, MachineRegisterInfo &MRI) {
+      return IsRegInClass(Reg, &PPC::VSRCRegClass, MRI);
+    }
+
+    bool IsVRReg(unsigned Reg, MachineRegisterInfo &MRI) {
+      return IsRegInClass(Reg, &PPC::VRRCRegClass, MRI);
+    }
+
+    bool IsF8Reg(unsigned Reg, MachineRegisterInfo &MRI) {
+      return IsRegInClass(Reg, &PPC::F8RCRegClass, MRI);
+    }
+
+    bool IsVSFReg(unsigned Reg, MachineRegisterInfo &MRI) {
+      return IsRegInClass(Reg, &PPC::VSFRCRegClass, MRI);
+    }
+
+    bool IsVSSReg(unsigned Reg, MachineRegisterInfo &MRI) {
+      return IsRegInClass(Reg, &PPC::VSSRCRegClass, MRI);
+    }
+
+protected:
+    bool processBlock(MachineBasicBlock &MBB) {
+      bool Changed = false;
+
+      MachineRegisterInfo &MRI = MBB.getParent()->getRegInfo();
+      for (MachineInstr &MI : MBB) {
+        if (!MI.isFullCopy())
+          continue;
+
+        MachineOperand &DstMO = MI.getOperand(0);
+        MachineOperand &SrcMO = MI.getOperand(1);
+
+        if ( IsVSReg(DstMO.getReg(), MRI) &&
+            !IsVSReg(SrcMO.getReg(), MRI)) {
+          // This is a copy *to* a VSX register from a non-VSX register.
+          Changed = true;
+
+          const TargetRegisterClass *SrcRC = &PPC::VSLRCRegClass;
+          assert((IsF8Reg(SrcMO.getReg(), MRI) ||
+                  IsVSSReg(SrcMO.getReg(), MRI) ||
+                  IsVSFReg(SrcMO.getReg(), MRI)) &&
+                 "Unknown source for a VSX copy");
+
+          Register NewVReg = MRI.createVirtualRegister(SrcRC);
+          BuildMI(MBB, MI, MI.getDebugLoc(),
+                  TII->get(TargetOpcode::SUBREG_TO_REG), NewVReg)
+              .addImm(1) // add 1, not 0, because there is no implicit clearing
+                         // of the high bits.
+              .add(SrcMO)
+              .addImm(PPC::sub_64);
+
+          // The source of the original copy is now the new virtual register.
+          SrcMO.setReg(NewVReg);
+        } else if (!IsVSReg(DstMO.getReg(), MRI) &&
+                    IsVSReg(SrcMO.getReg(), MRI)) {
+          // This is a copy *from* a VSX register to a non-VSX register.
+          Changed = true;
+
+          const TargetRegisterClass *DstRC = &PPC::VSLRCRegClass;
+          assert((IsF8Reg(DstMO.getReg(), MRI) ||
+                  IsVSFReg(DstMO.getReg(), MRI) ||
+                  IsVSSReg(DstMO.getReg(), MRI)) &&
+                 "Unknown destination for a VSX copy");
+
+          // Copy the VSX value into a new VSX register of the correct subclass.
+          Register NewVReg = MRI.createVirtualRegister(DstRC);
+          BuildMI(MBB, MI, MI.getDebugLoc(), TII->get(TargetOpcode::COPY),
+                  NewVReg)
+              .add(SrcMO);
+
+          // Transform the original copy into a subregister extraction copy.
+          SrcMO.setReg(NewVReg);
+          SrcMO.setSubReg(PPC::sub_64);
+        }
+      }
+
+      return Changed;
+    }
+
+public:
+    bool runOnMachineFunction(MachineFunction &MF) override {
+      // If we don't have VSX on the subtarget, don't do anything.
+      const PPCSubtarget &STI = MF.getSubtarget<PPCSubtarget>();
+      if (!STI.hasVSX())
+        return false;
+      TII = STI.getInstrInfo();
+
+      bool Changed = false;
+
+      for (MachineFunction::iterator I = MF.begin(); I != MF.end();) {
+        MachineBasicBlock &B = *I++;
+        if (processBlock(B))
+          Changed = true;
+      }
+
+      return Changed;
+    }
+
+    void getAnalysisUsage(AnalysisUsage &AU) const override {
+      MachineFunctionPass::getAnalysisUsage(AU);
+    }
+  };
+}
+
+INITIALIZE_PASS(PPCVSXCopy, DEBUG_TYPE,
+                "PowerPC VSX Copy Legalization", false, false)
+
+char PPCVSXCopy::ID = 0;
+FunctionPass*
+llvm::createPPCVSXCopyPass() { return new PPCVSXCopy(); }
+