Index: lib/CodeGen/PPCGCodeGeneration.cpp
===================================================================
--- lib/CodeGen/PPCGCodeGeneration.cpp
+++ lib/CodeGen/PPCGCodeGeneration.cpp
@@ -1109,6 +1109,14 @@
   return isl_bool_true;
 }
 
+// Check that this is a Value that is actually legal to be copied.
+// If this check does not exist, then we could try to offload function
+// pointers to LLVM intrinsics.
+static bool IsValidSubtreeValue(Value *V) {
+  auto F = dyn_cast<Function>(V);
+  return !(F && F->isIntrinsic());
+}
+
 SetVector<Value *> GPUNodeBuilder::getReferencesInKernel(ppcg_kernel *Kernel) {
   SetVector<Value *> SubtreeValues;
   SetVector<const SCEV *> SCEVs;
@@ -1146,7 +1154,8 @@
     isl_id_free(Id);
   }
 
-  return SubtreeValues;
+  auto It = make_filter_range(SubtreeValues, IsValidSubtreeValue);
+  return SetVector<Value *>(It.begin(), It.end());
 }
 
 void GPUNodeBuilder::clearDominators(Function *F) {
Index: test/GPGPU/intrinsic-not-copied-to-kernel.ll
===================================================================
--- /dev/null
+++ test/GPGPU/intrinsic-not-copied-to-kernel.ll
@@ -0,0 +1,67 @@
+; RUN: opt %loadPolly  -polly-codegen-ppcg -disable-output < %s
+
+; REQUIRES: pollyacc
+
+; static const int N = 1000;
+; void f(float A[N][N], int n, float B[N][N]) {
+;   for(int i = 0; i < n; i++) {
+;     for(int j = 0; j < n; j++) {
+;       B[i][j] = pow(A[i][j], 3);
+;     }
+;
+;   }
+; }
+
+target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.11.0"
+
+define void @f([1000 x float]* %A, i32 %n, [1000 x float]* %B) {
+entry:
+  br label %entry.split
+
+entry.split:                                      ; preds = %entry
+  %cmp3 = icmp sgt i32 %n, 0
+  br i1 %cmp3, label %for.cond1.preheader.lr.ph, label %for.end13
+
+for.cond1.preheader.lr.ph:                        ; preds = %entry.split
+  br label %for.cond1.preheader
+
+for.cond1.preheader:                              ; preds = %for.cond1.preheader.lr.ph, %for.inc11
+  %indvars.iv5 = phi i64 [ 0, %for.cond1.preheader.lr.ph ], [ %indvars.iv.next6, %for.inc11 ]
+  %cmp21 = icmp sgt i32 %n, 0
+  br i1 %cmp21, label %for.body3.lr.ph, label %for.inc11
+
+for.body3.lr.ph:                                  ; preds = %for.cond1.preheader
+  br label %for.body3
+
+for.body3:                                        ; preds = %for.body3.lr.ph, %for.body3
+  %indvars.iv = phi i64 [ 0, %for.body3.lr.ph ], [ %indvars.iv.next, %for.body3 ]
+  %arrayidx5 = getelementptr inbounds [1000 x float], [1000 x float]* %A, i64 %indvars.iv5, i64 %indvars.iv
+  %0 = load float, float* %arrayidx5, align 4
+  %conv = fpext float %0 to double
+  %1 = tail call double @llvm.pow.f64(double %conv, double 3.000000e+00)
+  %conv6 = fptrunc double %1 to float
+  %arrayidx10 = getelementptr inbounds [1000 x float], [1000 x float]* %B, i64 %indvars.iv5, i64 %indvars.iv
+  store float %conv6, float* %arrayidx10, align 4
+  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
+  %wide.trip.count = zext i32 %n to i64
+  %exitcond = icmp ne i64 %indvars.iv.next, %wide.trip.count
+  br i1 %exitcond, label %for.body3, label %for.cond1.for.inc11_crit_edge
+
+for.cond1.for.inc11_crit_edge:                    ; preds = %for.body3
+  br label %for.inc11
+
+for.inc11:                                        ; preds = %for.cond1.for.inc11_crit_edge, %for.cond1.preheader
+  %indvars.iv.next6 = add nuw nsw i64 %indvars.iv5, 1
+  %wide.trip.count7 = zext i32 %n to i64
+  %exitcond8 = icmp ne i64 %indvars.iv.next6, %wide.trip.count7
+  br i1 %exitcond8, label %for.cond1.preheader, label %for.cond.for.end13_crit_edge
+
+for.cond.for.end13_crit_edge:                     ; preds = %for.inc11
+  br label %for.end13
+
+for.end13:                                        ; preds = %for.cond.for.end13_crit_edge, %entry.split
+  ret void
+}
+
+declare double @llvm.pow.f64(double, double)