Commit d5abaaf1 authored by Sanjay Patel's avatar Sanjay Patel
Browse files

[InstSimplify] add tests for copysign with fneg operand; NFC

parent c8e36862

llvm/test/Transforms/InstSimplify/call.ll

+44 −0
Original line number Diff line number Diff line
@@ -939,3 +939,47 @@ define <2 x double> @copysign_same_operand_vec(<2 x double> %x) { 
  %r = call <2 x double> @llvm.copysign.v2f64(<2 x double> %x, <2 x double> %x)

  ret <2 x double> %r

}



define float @negated_sign_arg(float %x) {

; CHECK-LABEL: @negated_sign_arg(

; CHECK-NEXT:    [[NEGX:%.*]] = fsub ninf float -0.000000e+00, [[X:%.*]]

; CHECK-NEXT:    [[R:%.*]] = call arcp float @llvm.copysign.f32(float [[X]], float [[NEGX]])

; CHECK-NEXT:    ret float [[R]]

;

  %negx = fsub ninf float -0.0, %x

  %r = call arcp float @llvm.copysign.f32(float %x, float %negx)

  ret float %r

}



define <2 x double> @negated_sign_arg_vec(<2 x double> %x) {

; CHECK-LABEL: @negated_sign_arg_vec(

; CHECK-NEXT:    [[NEGX:%.*]] = fneg afn <2 x double> [[X:%.*]]

; CHECK-NEXT:    [[R:%.*]] = call arcp <2 x double> @llvm.copysign.v2f64(<2 x double> [[X]], <2 x double> [[NEGX]])

; CHECK-NEXT:    ret <2 x double> [[R]]

;

  %negx = fneg afn <2 x double> %x

  %r = call arcp <2 x double> @llvm.copysign.v2f64(<2 x double> %x, <2 x double> %negx)

  ret <2 x double> %r

}



define float @negated_mag_arg(float %x) {

; CHECK-LABEL: @negated_mag_arg(

; CHECK-NEXT:    [[NEGX:%.*]] = fneg nnan float [[X:%.*]]

; CHECK-NEXT:    [[R:%.*]] = call ninf float @llvm.copysign.f32(float [[NEGX]], float [[X]])

; CHECK-NEXT:    ret float [[R]]

;

  %negx = fneg nnan float %x

  %r = call ninf float @llvm.copysign.f32(float %negx, float %x)

  ret float %r

}



define <2 x double> @negated_mag_arg_vec(<2 x double> %x) {

; CHECK-LABEL: @negated_mag_arg_vec(

; CHECK-NEXT:    [[NEGX:%.*]] = fneg afn <2 x double> [[X:%.*]]

; CHECK-NEXT:    [[R:%.*]] = call arcp <2 x double> @llvm.copysign.v2f64(<2 x double> [[NEGX]], <2 x double> [[X]])

; CHECK-NEXT:    ret <2 x double> [[R]]

;

  %negx = fneg afn <2 x double> %x

  %r = call arcp <2 x double> @llvm.copysign.v2f64(<2 x double> %negx, <2 x double> %x)

  ret <2 x double> %r

}