commit bd341bafbf60be1b9b9cc12ec2c5c37c2ea0e46b
author Max Kazantsev <mkazantsev@azul.com> Fri Oct 30 17:37:03 2020 +0700
committer Max Kazantsev <mkazantsev@azul.com> Fri Oct 30 17:49:32 2020 +0700
tree 96f27e2e79edb765a31ce4a38e8a324400c71a1c
parent dba33258ff6f2c14f32e60d270dd00f7629be856

[NFC] Simplify code in IndVars

llvm/lib/Transforms/Scalar/IndVarSimplify.cpp

diff --git a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
index 729173d..2a5d1da 100644
--- a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -1132,18 +1132,14 @@
   if (!AddRecOp1 || AddRecOp1->getLoop() != L)
     return false;
 
-  if (ExtKind == SignExtended) {
-    for (Use &U : NarrowUse->uses()) {
-      SExtInst *User = dyn_cast<SExtInst>(U.getUser());
-      if (!User || User->getType() != WideType)
-        return false;
-    }
-  } else { // ExtKind == ZeroExtended
-    for (Use &U : NarrowUse->uses()) {
-      ZExtInst *User = dyn_cast<ZExtInst>(U.getUser());
-      if (!User || User->getType() != WideType)
-        return false;
-    }
+  for (Use &U : NarrowUse->uses()) {
+    Instruction *User = nullptr;
+    if (ExtKind == SignExtended)
+      User = dyn_cast<SExtInst>(U.getUser());
+    else
+      User = dyn_cast<ZExtInst>(U.getUser());
+    if (!User || User->getType() != WideType)
+      return false;
   }
 
   LLVM_DEBUG(dbgs() << "Cloning arithmetic IVUser: " << *NarrowUse << "\n");