vendor/llvm/llvm-r114020

4 files changed, 7 insertions, 37 deletions

diff --git a/lib/Target/SystemZ/SystemZInstrInfo.cpp b/lib/Target/SystemZ/SystemZInstrInfo.cpp
index c03864fe41e4..367bed3a8539 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.cpp
+++ b/lib/Target/SystemZ/SystemZInstrInfo.cpp
@@ -141,31 +141,6 @@ void SystemZInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
     .addReg(SrcReg, getKillRegState(KillSrc));
 }
 
-bool
-SystemZInstrInfo::isMoveInstr(const MachineInstr& MI,
-                              unsigned &SrcReg, unsigned &DstReg,
-                              unsigned &SrcSubIdx, unsigned &DstSubIdx) const {
-  switch (MI.getOpcode()) {
-  default:
-    return false;
-  case SystemZ::MOV32rr:
-  case SystemZ::MOV64rr:
-  case SystemZ::MOV64rrP:
-  case SystemZ::MOV128rr:
-  case SystemZ::FMOV32rr:
-  case SystemZ::FMOV64rr:
-    assert(MI.getNumOperands() >= 2 &&
-           MI.getOperand(0).isReg() &&
-           MI.getOperand(1).isReg() &&
-           "invalid register-register move instruction");
-    SrcReg = MI.getOperand(1).getReg();
-    DstReg = MI.getOperand(0).getReg();
-    SrcSubIdx = MI.getOperand(1).getSubReg();
-    DstSubIdx = MI.getOperand(0).getSubReg();
-    return true;
-  }
-}
-
 unsigned SystemZInstrInfo::isLoadFromStackSlot(const MachineInstr *MI,
                                                int &FrameIndex) const {
   switch (MI->getOpcode()) {
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.h b/lib/Target/SystemZ/SystemZInstrInfo.h
index 0559619248a6..c248f2489c49 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.h
+++ b/lib/Target/SystemZ/SystemZInstrInfo.h
@@ -65,9 +65,6 @@ public:
                            unsigned DestReg, unsigned SrcReg,
                            bool KillSrc) const;
 
-  bool isMoveInstr(const MachineInstr& MI,
-                   unsigned &SrcReg, unsigned &DstReg,
-                   unsigned &SrcSubIdx, unsigned &DstSubIdx) const;
   unsigned isLoadFromStackSlot(const MachineInstr *MI, int &FrameIndex) const;
   unsigned isStoreToStackSlot(const MachineInstr *MI, int &FrameIndex) const;
 
diff --git a/lib/Target/SystemZ/SystemZRegisterInfo.cpp b/lib/Target/SystemZ/SystemZRegisterInfo.cpp
index ae96b0b08ff6..f8d3e6ac8a6f 100644
--- a/lib/Target/SystemZ/SystemZRegisterInfo.cpp
+++ b/lib/Target/SystemZ/SystemZRegisterInfo.cpp
@@ -92,10 +92,9 @@ int SystemZRegisterInfo::getFrameIndexOffset(const MachineFunction &MF,
   return Offset;
 }
 
-unsigned
+void
 SystemZRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
-                                         int SPAdj, FrameIndexValue *Value,
-                                         RegScavenger *RS) const {
+                                         int SPAdj, RegScavenger *RS) const {
   assert(SPAdj == 0 && "Unxpected");
 
   unsigned i = 0;
@@ -117,13 +116,13 @@ SystemZRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
 
   // Offset is a either 12-bit unsigned or 20-bit signed integer.
   // FIXME: handle "too long" displacements.
-  int Offset = getFrameIndexOffset(MF, FrameIndex) + MI.getOperand(i+1).getImm();
+  int Offset =
+    getFrameIndexOffset(MF, FrameIndex) + MI.getOperand(i+1).getImm();
 
   // Check whether displacement is too long to fit into 12 bit zext field.
   MI.setDesc(TII.getMemoryInstr(MI.getOpcode(), Offset));
 
   MI.getOperand(i+1).ChangeToImmediate(Offset);
-  return 0;
 }
 
 void
diff --git a/lib/Target/SystemZ/SystemZRegisterInfo.h b/lib/Target/SystemZ/SystemZRegisterInfo.h
index 670025f86e08..5dae865cb79a 100644
--- a/lib/Target/SystemZ/SystemZRegisterInfo.h
+++ b/lib/Target/SystemZ/SystemZRegisterInfo.h
@@ -34,7 +34,7 @@ struct SystemZRegisterInfo : public SystemZGenRegisterInfo {
 
   BitVector getReservedRegs(const MachineFunction &MF) const;
 
-  bool hasReservedCallFrame(MachineFunction &MF) const { return true; }
+  bool hasReservedCallFrame(const MachineFunction &MF) const { return true; }
   bool hasFP(const MachineFunction &MF) const;
 
   int getFrameIndexOffset(const MachineFunction &MF, int FI) const;
@@ -43,9 +43,8 @@ struct SystemZRegisterInfo : public SystemZGenRegisterInfo {
                                      MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator I) const;
 
-  unsigned eliminateFrameIndex(MachineBasicBlock::iterator II,
-                               int SPAdj, FrameIndexValue *Value = NULL,
-                               RegScavenger *RS = NULL) const;
+  void eliminateFrameIndex(MachineBasicBlock::iterator II,
+                           int SPAdj, RegScavenger *RS = NULL) const;
 
 
   void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,