llvm/test/CodeGen/DirectX/firstbitlow_error.ll

; RUN: not opt -S -dxil-op-lower -mtriple=dxil-pc-shadermodel6.3-library %s 2>&1 | FileCheck %s

; DXIL operation firstbitshigh does not support double overload type
; CHECK: error: intrinsic argument 0 type (overload type 0) expected any integer or integer vector, but got double

define noundef double @firstbitlow_double(double noundef %a) {
entry:
  %1 = call double @llvm.dx.firstbitlow.f64(double %a)
  ret double %1
}