strength reduce a ridiculous use of APInt.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100274 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp
index a6d184331889c3a0280d581e1162869d124b864f..b5fdd0c4a17ab366369d8319f2ff2f373c903660 100644 (file)
--- a/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -632,8 +632,7 @@ static bool CanUseSIToFP(ConstantFP *InitV, ConstantFP *ExitV,
     return true;
 
   // If the iteration range can be handled by SIToFPInst then use it.
-  APInt Max = APInt::getSignedMaxValue(32);
-  if (Max.getZExtValue() > static_cast<uint64_t>(abs64(intEV - intIV)))
+  if (abs64(intEV - intIV) < INT32_MAX)
     return true;
 
   return false;