[llvm] r206144 - Use APInt arithmetic, fixed typo. Thanks to Benjamin Kramer for noticing that.

[Serge Pavlov]

Author: sepavloff
Date: Sun Apr 13 21:20:19 2014
New Revision: 206144

URL: http://llvm.org/viewvc/llvm-project?rev=206144&view=rev
Log:
Use APInt arithmetic, fixed typo. Thanks to Benjamin Kramer for noticing that.

Modified:
    llvm/trunk/lib/Transforms/InstCombine/InstCombineCompares.cpp

Modified: llvm/trunk/lib/Transforms/InstCombine/InstCombineCompares.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/InstCombine/InstCombineCompares.cpp?rev=206144&r1=206143&r2=206144&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/InstCombine/InstCombineCompares.cpp (original)
+++ llvm/trunk/lib/Transforms/InstCombine/InstCombineCompares.cpp Sun Apr 13 21:20:19 2014
@@ -2149,7 +2149,7 @@ static Instruction *ProcessUMulZExtIdiom
     //   mulval = mul(zext A, zext B)
     //   cmp ule mulval, max + 1
     if (ConstantInt *CI = dyn_cast<ConstantInt>(OtherVal)) {
-      APInt MaxVal(CI->getBitWidth(), 1ULL << MulWidth);
+      APInt MaxVal = APInt::getOneBitSet(CI->getBitWidth(), MulWidth);
       if (MaxVal.eq(CI->getValue()))
         break; // Recognized
     }
@@ -2176,7 +2176,7 @@ static Instruction *ProcessUMulZExtIdiom
 
   // If there are uses of mul result other than the comparison, we know that
   // they are truncation or binary AND. Change them to use result of
-  // mul.with.overflow and ajust properly mask/size.
+  // mul.with.overflow and adjust properly mask/size.
   if (MulVal->hasNUsesOrMore(2)) {
     Value *Mul = Builder->CreateExtractValue(Call, 0, "umul.value");
     for (User *U : MulVal->users()) {