From: Chandler Carruth <chandlerc@gmail.com>
Date: Fri, 13 Feb 2015 04:33:21 +0000 (+0000)
Subject: [unroll] Remove pointless dyn_cast<>s to Instruction - the users of an
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=17cc3c80ee57132f362b0e22e26d4c2bcfb2b71e;p=oota-llvm.git

[unroll] Remove pointless dyn_cast<>s to Instruction - the users of an
instruction must by definition be instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229061 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/LoopUnrollPass.cpp b/lib/Transforms/Scalar/LoopUnrollPass.cpp
index 8cf0450dd9e..0d9e2d15652 100644
--- a/lib/Transforms/Scalar/LoopUnrollPass.cpp
+++ b/lib/Transforms/Scalar/LoopUnrollPass.cpp
@@ -468,12 +468,8 @@ public:
       if (CountedInstructions.insert(LI).second)
         NumberOfOptimizedInstructions += TTI.getUserCost(LI);
 
-      for (User *U : LI->users()) {
-        Instruction *UI = dyn_cast<Instruction>(U);
-        if (!UI)
-          continue;
-        Worklist.insert(UI);
-      }
+      for (User *U : LI->users())
+        Worklist.insert(cast<Instruction>(U));
     }
 
     // And then we try to simplify every user of every instruction from the
@@ -485,12 +481,8 @@ public:
         continue;
       if (!visit(I))
         continue;
-      for (User *U : I->users()) {
-        Instruction *UI = dyn_cast<Instruction>(U);
-        if (!UI)
-          continue;
-        Worklist.insert(UI);
-      }
+      for (User *U : I->users())
+        Worklist.insert(cast<Instruction>(U));
     }
     return NumberOfOptimizedInstructions;
   }