[IndVarSimplify][NFC] Removed mayThrow from if-condition in predicateLoopExits of...

Instruction has mayHaveSideEffects method that returns true if mayThrow return true because this is called internally in the first method.  As such, the call being removed is redundant.

Patch By: vdsered (Daniil Seredkin)
Differential Revision: https://reviews.llvm.org/D101685

diff --git a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
index 64ae2b3..9ee2a2d 100644 (file)
--- a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -1668,7 +1668,7 @@ bool IndVarSimplify::predicateLoopExits(Loop *L, SCEVExpander &Rewriter) {
   for (BasicBlock *BB : L->blocks())
     for (auto &I : *BB)
       // TODO:isGuaranteedToTransfer
-      if (I.mayHaveSideEffects() || I.mayThrow())
+      if (I.mayHaveSideEffects())
         return false;
 
   bool Changed = false;