Remove a useless check in BBVectorize.

A shuffle mask will always be a constant, but I did not realize that
when I originally wrote the code.

llvm-svn: 159331

1 files changed, 0 insertions, 5 deletions

diff --git a/llvm/lib/Transforms/Vectorize/BBVectorize.cpp b/llvm/lib/Transforms/Vectorize/BBVectorize.cpp
index 9441c1ba7ae..af14ee304b9 100644
--- a/llvm/lib/Transforms/Vectorize/BBVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/BBVectorize.cpp
@@ -747,11 +747,6 @@ namespace {
       } else {
         return false;
       }
-    } else if (isa<ShuffleVectorInst>(I)) {
-      // Only merge two shuffles if they're both constant
-      return isa<Constant>(I->getOperand(2)) &&
-             isa<Constant>(J->getOperand(2));
-      // FIXME: We may want to vectorize non-constant shuffles also.
     }
 
     // The powi intrinsic is special because only the first argument is