[APInt] Use lshrInPlace to replace lshr where possible

This patch uses lshrInPlace to replace code where the object that lshr is called on is being overwritten with the result.

This adds an lshrInPlace(const APInt &) version as well.

Differential Revision: https://reviews.llvm.org/D32155

llvm-svn: 300566

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index 0534909a5e4..278b65c68f8 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -1093,7 +1093,7 @@ static const SCEV *BinomialCoefficient(const SCEV *It, unsigned K,
     APInt Mult(W, i);
     unsigned TwoFactors = Mult.countTrailingZeros();
     T += TwoFactors;
-    Mult = Mult.lshr(TwoFactors);
+    Mult.lshrInPlace(TwoFactors);
     OddFactorial *= Mult;
   }