[PATCH] D26037: Add LoopSink pass for PGO.

[David Li via llvm-commits]

davidxl added inline comments.


================
Comment at: lib/CodeGen/BackendUtil.cpp:156
+  PM.add(createLoopSinkPass());
+  PM.add(createInstructionSimplifierPass());
+}
----------------
Is this pass strictly needed?


https://reviews.llvm.org/D26037