Constify the machine instruction passed into the

"is{Trivially,Really}ReMaterializable" methods.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51001 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 5 insertions, 4 deletions

diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h
index ca35fa7..f9fd6ab 100644
--- a/include/llvm/Target/TargetInstrInfo.h
+++ b/include/llvm/Target/TargetInstrInfo.h
@@ -67,7 +67,7 @@ public:
   /// isTriviallyReMaterializable - Return true if the instruction is trivially
   /// rematerializable, meaning it has no side effects and requires no operands
   /// that aren't always available.
-  bool isTriviallyReMaterializable(MachineInstr *MI) const {
+  bool isTriviallyReMaterializable(const MachineInstr *MI) const {
     return MI->getDesc().isRematerializable() &&
            isReallyTriviallyReMaterializable(MI);
   }
@@ -81,7 +81,7 @@ protected:
   /// return false if the instruction has any side effects other than
   /// producing a value, or if it requres any address registers that are not
   /// always available.
-  virtual bool isReallyTriviallyReMaterializable(MachineInstr *MI) const {
+  virtual bool isReallyTriviallyReMaterializable(const MachineInstr *MI) const {
     return true;
   }
 
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index 8b31f5d..d2c5abe 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -760,7 +760,8 @@ static inline bool isGVStub(GlobalValue *GV, X86TargetMachine &TM) {
   return TM.getSubtarget<X86Subtarget>().GVRequiresExtraLoad(GV, TM, false);
 }
  
-bool X86InstrInfo::isReallyTriviallyReMaterializable(MachineInstr *MI) const {
+bool
+X86InstrInfo::isReallyTriviallyReMaterializable(const MachineInstr *MI) const {
   switch (MI->getOpcode()) {
   default: break;
     case X86::MOV8rm:
diff --git a/lib/Target/X86/X86InstrInfo.h b/lib/Target/X86/X86InstrInfo.h
index 5f09241..06080b7 100644
--- a/lib/Target/X86/X86InstrInfo.h
+++ b/lib/Target/X86/X86InstrInfo.h
@@ -260,7 +260,7 @@ public:
   unsigned isLoadFromStackSlot(MachineInstr *MI, int &FrameIndex) const;
   unsigned isStoreToStackSlot(MachineInstr *MI, int &FrameIndex) const;
 
-  bool isReallyTriviallyReMaterializable(MachineInstr *MI) const;
+  bool isReallyTriviallyReMaterializable(const MachineInstr *MI) const;
   void reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
                      unsigned DestReg, const MachineInstr *Orig) const;