[SCEV] Don't use std::move on both inputs to APInt::operator+ or operator-. It might...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@302448 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index 01dca0793145f1c5578754b4737552ad63ae5933..92634e3d2cd8d191b810f5d4ce5cefed0bd2b80a 100644 (file)
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -8976,7 +8976,7 @@ bool ScalarEvolution::doesIVOverflowOnLT(const SCEV *RHS, const SCEV *Stride,
                                 .getSignedMax();
 
     // SMaxRHS + SMaxStrideMinusOne > SMaxValue => overflow!
-    return (std::move(MaxValue) - std::move(MaxStrideMinusOne)).slt(MaxRHS);
+    return (std::move(MaxValue) - MaxStrideMinusOne).slt(MaxRHS);
   }
 
   APInt MaxRHS = getUnsignedRange(RHS).getUnsignedMax();
@@ -8985,7 +8985,7 @@ bool ScalarEvolution::doesIVOverflowOnLT(const SCEV *RHS, const SCEV *Stride,
                               .getUnsignedMax();
 
   // UMaxRHS + UMaxStrideMinusOne > UMaxValue => overflow!
-  return (std::move(MaxValue) - std::move(MaxStrideMinusOne)).ult(MaxRHS);
+  return (std::move(MaxValue) - MaxStrideMinusOne).ult(MaxRHS);
 }
 
 bool ScalarEvolution::doesIVOverflowOnGT(const SCEV *RHS, const SCEV *Stride,
@@ -9002,7 +9002,7 @@ bool ScalarEvolution::doesIVOverflowOnGT(const SCEV *RHS, const SCEV *Stride,
                                .getSignedMax();
 
     // SMinRHS - SMaxStrideMinusOne < SMinValue => overflow!
-    return (std::move(MinValue) + std::move(MaxStrideMinusOne)).sgt(MinRHS);
+    return (std::move(MinValue) + MaxStrideMinusOne).sgt(MinRHS);
   }
 
   APInt MinRHS = getUnsignedRange(RHS).getUnsignedMin();
@@ -9011,7 +9011,7 @@ bool ScalarEvolution::doesIVOverflowOnGT(const SCEV *RHS, const SCEV *Stride,
                             .getUnsignedMax();
 
   // UMinRHS - UMaxStrideMinusOne < UMinValue => overflow!
-  return (std::move(MinValue) + std::move(MaxStrideMinusOne)).ugt(MinRHS);
+  return (std::move(MinValue) + MaxStrideMinusOne).ugt(MinRHS);
 }
 
 const SCEV *ScalarEvolution::computeBECount(const SCEV *Delta, const SCEV *Step,