diff --git a/test/Feature/intrinsics.ll b/test/Feature/intrinsics.ll
index 51f738c9efd..89261e187ed 100644
--- a/test/Feature/intrinsics.ll
+++ b/test/Feature/intrinsics.ll
@@ -1,7 +1,4 @@
 
-declare bool %llvm.isnan(float)
-declare bool %llvm.isnan(double)
-
 declare bool %llvm.isunordered(float, float)
 declare bool %llvm.isunordered(double, double)
 
@@ -10,9 +7,7 @@ implementation
 ; Test llvm intrinsics
 ;
 void %libm() {
-	call bool %llvm.isnan(float 0.0)
-	call bool %llvm.isnan(double 10.0)
         call bool %llvm.isunordered(float 0.0, float 1.0)
-        call bool %llvm.isunordered(double 0.0, double 1.0)
+        call bool %llvm.isunordered(double 0.0, double double 0x7FF8000000000000)
 	ret void
 }