Index: lib/Analysis/TargetLibraryInfo.cpp
===================================================================
--- lib/Analysis/TargetLibraryInfo.cpp
+++ lib/Analysis/TargetLibraryInfo.cpp
@@ -550,6 +550,12 @@
   if (T.isNVPTX()) {
     TLI.disableAllFunctions();
     TLI.setAvailable(LibFunc_nvvm_reflect);
+    TLI.setAvailable(LibFunc_pow);
+    TLI.setAvailable(LibFunc_pow_finite);
+    TLI.setAvailable(LibFunc_powf);
+    TLI.setAvailable(LibFunc_powf_finite);
+    TLI.setAvailable(LibFunc_powl);
+    TLI.setAvailable(LibFunc_powl_finite);
   } else {
     TLI.setUnavailable(LibFunc_nvvm_reflect);
   }
Index: lib/Target/NVPTX/NVPTXISelLowering.cpp
===================================================================
--- lib/Target/NVPTX/NVPTXISelLowering.cpp
+++ lib/Target/NVPTX/NVPTXISelLowering.cpp
@@ -583,6 +583,14 @@
   // 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);
+  setOperationAction(ISD::FSIN,              MVT::f80,   Expand);
+
   // Now deduce the information based on the above mentioned
   // actions
   computeRegisterProperties(STI.getRegisterInfo());