Index: lib/Analysis/ValueTracking.cpp
===================================================================
--- lib/Analysis/ValueTracking.cpp
+++ lib/Analysis/ValueTracking.cpp
@@ -3126,6 +3126,7 @@
       case Intrinsic::dbg_value:
         return true;
 
+      case Intrinsic::bitreverse:
       case Intrinsic::bswap:
       case Intrinsic::ctlz:
       case Intrinsic::ctpop:
@@ -3146,6 +3147,8 @@
         return true;
       // These intrinsics are defined to have the same behavior as libm
       // functions, and the corresponding libm functions never set errno.
+      case Intrinsic::sin:
+      case Intrinsic::cos:
       case Intrinsic::trunc:
       case Intrinsic::copysign:
       case Intrinsic::fabs: