[PATCH] D12951: [Unroll] When completely unrolling the loop, replace conditinal branches with unconditional.

Michael Zolotukhin via llvm-commits llvm-commits at lists.llvm.org
Wed Sep 23 16:23:24 PDT 2015


This revision was automatically updated to reflect the committed changes.
Closed by commit rL248444: [Unroll] When completely unrolling the loop, replace conditinal branches with… (authored by mzolotukhin).

Changed prior to commit:
  http://reviews.llvm.org/D12951?vs=35048&id=35571#toc

Repository:
  rL LLVM

http://reviews.llvm.org/D12951

Files:
  llvm/trunk/lib/Transforms/Utils/LoopUnroll.cpp

Index: llvm/trunk/lib/Transforms/Utils/LoopUnroll.cpp
===================================================================
--- llvm/trunk/lib/Transforms/Utils/LoopUnroll.cpp
+++ llvm/trunk/lib/Transforms/Utils/LoopUnroll.cpp
@@ -434,8 +434,9 @@
 
     // For a complete unroll, make the last iteration end with a branch
     // to the exit block.
-    if (CompletelyUnroll && j == 0) {
-      Dest = LoopExit;
+    if (CompletelyUnroll) {
+      if (j == 0)
+        Dest = LoopExit;
       NeedConditional = false;
     }
 


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