Index: lib/Target/NVPTX/NVPTXISelLowering.cpp
===================================================================
--- lib/Target/NVPTX/NVPTXISelLowering.cpp
+++ lib/Target/NVPTX/NVPTXISelLowering.cpp
@@ -583,6 +583,13 @@
   // No FEXP2, FLOG2.  The PTX ex2 and log2 functions are always approximate.
   // No FPOW or FREM in PTX.
 
+  setOperationAction(ISD::FPOW,              MVT::f32,   Expand);
+  setOperationAction(ISD::FPOW,              MVT::f64,   Expand);
+  setOperationAction(ISD::FPOW,              MVT::f80,   Expand);
+
+  setOperationAction(ISD::FSIN,              MVT::f32,   Expand);
+  setOperationAction(ISD::FSIN,              MVT::f64,   Expand);
+
   // Now deduce the information based on the above mentioned
   // actions
   computeRegisterProperties(STI.getRegisterInfo());