diff --git a/llvm/lib/Target/X86/X86RegisterInfo.cpp b/llvm/lib/Target/X86/X86RegisterInfo.cpp
index 643c5972f559..f98ddb4fdc2a 100644
--- a/llvm/lib/Target/X86/X86RegisterInfo.cpp
+++ b/llvm/lib/Target/X86/X86RegisterInfo.cpp
@@ -234,6 +234,7 @@ MachineInstr* X86RegisterInfo::foldMemoryOperand(MachineInstr* MI,
     case X86::SETSr:     return MakeMInst( X86::SETSm,   FrameIndex, MI);
     case X86::SETNSr:    return MakeMInst( X86::SETNSm,  FrameIndex, MI);
     case X86::SETPr:     return MakeMInst( X86::SETPm,   FrameIndex, MI);
+    case X86::SETNPr:    return MakeMInst( X86::SETNPm,  FrameIndex, MI);
     case X86::SETLr:     return MakeMInst( X86::SETLm,   FrameIndex, MI);
     case X86::SETGEr:    return MakeMInst( X86::SETGEm,  FrameIndex, MI);
     case X86::SETLEr:    return MakeMInst( X86::SETLEm,  FrameIndex, MI);