[SystemZ] Fix in restoreCalleeSavedRegisters()

Only add operands for GRs to the LMG.

Reviewed by Ulrich Weigand.

llvm-svn: 268216

diff --git a/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp b/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
index ebf880e..0bdfaf6 100644 (file)
--- a/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
@@ -258,7 +258,8 @@ restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
     // Do a second scan adding regs as being defined by instruction
     for (unsigned I = 0, E = CSI.size(); I != E; ++I) {
       unsigned Reg = CSI[I].getReg();
-      if (Reg != LowGPR && Reg != HighGPR)
+      if (Reg != LowGPR && Reg != HighGPR &&
+          SystemZ::GR64BitRegClass.contains(Reg))
         MIB.addReg(Reg, RegState::ImplicitDefine);
     }
   }