Use <0 checks in place of ==-1 because it results in simpler code.

[oota-llvm.git] / lib / Target / Mips / MipsMachineFunction.cpp

diff --git a/lib/Target/Mips/MipsMachineFunction.cpp b/lib/Target/Mips/MipsMachineFunction.cpp
index 362173eda3a4db0936ad7877deb38501ef361b6a..0c71596cae33b4a7ae0a231d0609d11de20b55a0 100644 (file)
--- a/lib/Target/Mips/MipsMachineFunction.cpp
+++ b/lib/Target/Mips/MipsMachineFunction.cpp
@@ -8,12 +8,12 @@
 //===----------------------------------------------------------------------===//
 
 #include "MipsMachineFunction.h"
+#include "MCTargetDesc/MipsBaseInfo.h"
 #include "MipsInstrInfo.h"
 #include "MipsSubtarget.h"
-#include "MCTargetDesc/MipsBaseInfo.h"
-#include "llvm/Function.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/IR/Function.h"
 #include "llvm/Support/CommandLine.h"
 
 using namespace llvm;
@@ -43,4 +43,17 @@ unsigned MipsFunctionInfo::getGlobalBaseReg() {
   return GlobalBaseReg = MF.getRegInfo().createVirtualRegister(RC);
 }
 
+bool MipsFunctionInfo::mips16SPAliasRegSet() const {
+  return Mips16SPAliasReg;
+}
+unsigned MipsFunctionInfo::getMips16SPAliasReg() {
+  // Return if it has already been initialized.
+  if (Mips16SPAliasReg)
+    return Mips16SPAliasReg;
+
+  const TargetRegisterClass *RC;
+  RC=(const TargetRegisterClass*)&Mips::CPU16RegsRegClass;
+  return Mips16SPAliasReg = MF.getRegInfo().createVirtualRegister(RC);
+}
+
 void MipsFunctionInfo::anchor() { }