Add opt-bisect support to additional passes that can be skipped

Differential Revision: http://reviews.llvm.org/D19882

llvm-svn: 268457
diff --git a/llvm/lib/Transforms/Scalar/AlignmentFromAssumptions.cpp b/llvm/lib/Transforms/Scalar/AlignmentFromAssumptions.cpp
index 4b721d3..8332c8e 100644
--- a/llvm/lib/Transforms/Scalar/AlignmentFromAssumptions.cpp
+++ b/llvm/lib/Transforms/Scalar/AlignmentFromAssumptions.cpp
@@ -411,6 +411,9 @@
 }
 
 bool AlignmentFromAssumptions::runOnFunction(Function &F) {
+  if (skipFunction(F))
+    return false;
+
   bool Changed = false;
   auto &AC = getAnalysis<AssumptionCacheTracker>().getAssumptionCache(F);
   SE = &getAnalysis<ScalarEvolutionWrapperPass>().getSE();