comment shiftamountthreshold

diff --git a/llvm/lib/Target/MSP430/MSP430ISelLowering.cpp b/llvm/lib/Target/MSP430/MSP430ISelLowering.cpp
index 64169d1..1ee5489 100644 (file)
--- a/llvm/lib/Target/MSP430/MSP430ISelLowering.cpp
+++ b/llvm/lib/Target/MSP430/MSP430ISelLowering.cpp
@@ -353,6 +353,7 @@ SDValue MSP430TargetLowering::LowerOperation(SDValue Op,
   }
 }
 
+// Set transforms into shift amounts above 2 as not profitable
 unsigned MSP430TargetLowering::getShiftAmountThreshold(EVT VT) const {
   return 2;
 }