[LoopInterchange] Fix unused variables in release build

llvm-svn: 345881

diff --git a/llvm/lib/Transforms/Scalar/LoopInterchange.cpp b/llvm/lib/Transforms/Scalar/LoopInterchange.cpp
index 523bac79b69df1c33c143a5f7b50d653bce3c1ee..7a4ae2eb30307a590ad805f4da4c37e17203456f 100644 (file)
--- a/llvm/lib/Transforms/Scalar/LoopInterchange.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopInterchange.cpp
@@ -1390,6 +1390,8 @@ bool LoopInterchangeTransform::adjustLoopBranches() {
   // Make sure we have no other PHIs.
   auto InnerPhis = drop_begin(InnerLoopHeader->phis(), 1);
   auto OuterPhis = drop_begin(OuterLoopHeader->phis(), 1);
+  (void) InnerPhis;
+  (void) OuterPhis;
   assert(begin(InnerPhis) == end(InnerPhis) && "Unexpected PHIs in inner loop");
   assert(begin(OuterPhis) == end(OuterPhis) && "Unexpected PHis in outer loop");