declare bool %llvm.isunordered(float, float) declare bool %llvm.isunordered(double, double) implementation ; Test llvm intrinsics ; void %libm() { call bool %llvm.isunordered(float 0.0, float 1.0) call bool %llvm.isunordered(double 0.0, double 0x7FF8000000000000) ret void }