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      1 ; RUN: llc -fast-isel -fast-isel-abort=1 -mtriple=x86_64-unknown-unknown -mattr=+f16c < %s
      2 
      3 ; XFAIL: *
      4 
      5 ; In the future, we might want to teach fast-isel how to expand a double-to-half
      6 ; conversion into a double-to-float conversion immediately followed by a
      7 ; float-to-half conversion. For now, fast-isel is expected to fail.
      8 
      9 define double @test_fp16_to_fp64(i32 %a) {
     10 entry:
     11   %0 = trunc i32 %a to i16
     12   %1 = call double @llvm.convert.from.fp16.f64(i16 %0)
     13   ret float %0
     14 }
     15 
     16 define i16 @test_fp64_to_fp16(double %a) {
     17 entry:
     18   %0 = call i16 @llvm.convert.to.fp16.f64(double %a)
     19   ret i16 %0
     20 }
     21 
     22 declare i16 @llvm.convert.to.fp16.f64(double)
     23 declare double @llvm.convert.from.fp16.f64(i16)
     24