Use recently added getTruncateOrZeroExtend method to make the code shorter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52251 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp
index f529281be1bbca1c3b9cb004507f135aae92bd5c..3368f2acd717b0067b23459987ec1815ca9343a6 100644 (file)
--- a/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -522,11 +522,7 @@ bool IndVarSimplify::runOnLoop(Loop *L, LPPassManager &LPM) {
   DOUT << "INDVARS: New CanIV: " << *IndVar;
 
   if (!isa<SCEVCouldNotCompute>(IterationCount)) {
-    if (IterationCount->getType()->getPrimitiveSizeInBits() <
-        LargestType->getPrimitiveSizeInBits())
-      IterationCount = SE->getZeroExtendExpr(IterationCount, LargestType);
-    else if (IterationCount->getType() != LargestType)
-      IterationCount = SE->getTruncateExpr(IterationCount, LargestType);
+    IterationCount = SE->getTruncateOrZeroExtend(IterationCount, LargestType);
     if (Instruction *DI = LinearFunctionTestReplace(L, IterationCount,Rewriter))
       DeadInsts.insert(DI);
   }