ret <4 x double> %r
}
+; Actual fneg instructions.
+
+define float @fneg_constant() {
+; CHECK-LABEL: @fneg_constant(
+; CHECK-NEXT: [[R:%.*]] = fneg float -0.000000e+00
+; CHECK-NEXT: ret float [[R]]
+;
+ %r = fneg float -0.0
+ ret float %r
+}
+
+define float @fneg_undef() {
+; CHECK-LABEL: @fneg_undef(
+; CHECK-NEXT: [[R:%.*]] = fneg float undef
+; CHECK-NEXT: ret float [[R]]
+;
+ %r = fneg float undef
+ ret float %r
+}
+
+define <4 x float> @fneg_constant_elts_v4f32() {
+; CHECK-LABEL: @fneg_constant_elts_v4f32(
+; CHECK-NEXT: [[R:%.*]] = fneg <4 x float> <float -0.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00>
+; CHECK-NEXT: ret <4 x float> [[R]]
+;
+ %r = fneg <4 x float> <float -0.0, float 0.0, float -1.0, float 1.0>
+ ret <4 x float> %r
+}
+
+define <4 x float> @fneg_constant_undef_elts_v4f32() {
+; CHECK-LABEL: @fneg_constant_undef_elts_v4f32(
+; CHECK-NEXT: [[R:%.*]] = fneg <4 x float> <float -0.000000e+00, float undef, float undef, float 1.000000e+00>
+; CHECK-NEXT: ret <4 x float> [[R]]
+;
+ %r = fneg <4 x float> <float -0.0, float undef, float undef, float 1.0>
+ ret <4 x float> %r
+}
+
+define <4 x float> @fneg_constant_all_undef_elts_v4f32() {
+; CHECK-LABEL: @fneg_constant_all_undef_elts_v4f32(
+; CHECK-NEXT: [[R:%.*]] = fneg <4 x float> undef
+; CHECK-NEXT: ret <4 x float> [[R]]
+;
+ %r = fneg <4 x float> <float undef, float undef, float undef, float undef>
+ ret <4 x float> %r
+}