+; Test that floating-point instructions that set cc are used to
+; eliminate compares for load complement, load negative and load
+; positive. Right now, the WFL.DB (vector) instructions are not
+; handled by SystemZElimcompare, so for Z13 this is currently
+; unimplemented.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s -check-prefix=CHECK-Z10
+
+; Load complement (sign-bit flipped).
+; Test f32
+define float @f1(float %a, float %b, float %f) {
+; CHECK-LABEL: f1:
+; CHECK-Z10: lcebr
+; CHECK-Z10-NEXT: je
+ %neg = fsub float -0.0, %f
+ %cond = fcmp oeq float %neg, 0.0
+ %res = select i1 %cond, float %a, float %b
+ ret float %res
+}
+
+; Test f64
+define double @f2(double %a, double %b, double %f) {
+; CHECK-LABEL: f2:
+; CHECK-Z10: lcdbr
+; CHECK-Z10-NEXT: je
+ %neg = fsub double -0.0, %f
+ %cond = fcmp oeq double %neg, 0.0
+ %res = select i1 %cond, double %a, double %b
+ ret double %res
+}
+
+; Negation of floating-point absolute.
+; Test f32
+declare float @llvm.fabs.f32(float %f)
+define float @f3(float %a, float %b, float %f) {
+; CHECK-LABEL: f3:
+; CHECK-Z10: lnebr
+; CHECK-Z10-NEXT: je
+ %abs = call float @llvm.fabs.f32(float %f)
+ %neg = fsub float -0.0, %abs
+ %cond = fcmp oeq float %neg, 0.0
+ %res = select i1 %cond, float %a, float %b
+ ret float %res
+}
+
+; Test f64
+declare double @llvm.fabs.f64(double %f)
+define double @f4(double %a, double %b, double %f) {
+; CHECK-LABEL: f4:
+; CHECK-Z10: lndbr
+; CHECK-Z10-NEXT: je
+ %abs = call double @llvm.fabs.f64(double %f)
+ %neg = fsub double -0.0, %abs
+ %cond = fcmp oeq double %neg, 0.0
+ %res = select i1 %cond, double %a, double %b
+ ret double %res
+}
+
+; Absolute floating-point value.
+; Test f32
+define float @f5(float %a, float %b, float %f) {
+; CHECK-LABEL: f5:
+; CHECK-Z10: lpebr
+; CHECK-Z10-NEXT: je
+ %abs = call float @llvm.fabs.f32(float %f)
+ %cond = fcmp oeq float %abs, 0.0
+ %res = select i1 %cond, float %a, float %b
+ ret float %res
+}
+
+; Test f64
+define double @f6(double %a, double %b, double %f) {
+; CHECK-LABEL: f6:
+; CHECK-Z10: lpdbr
+; CHECK-Z10-NEXT: je
+ %abs = call double @llvm.fabs.f64(double %f)
+ %cond = fcmp oeq double %abs, 0.0
+ %res = select i1 %cond, double %a, double %b
+ ret double %res
+}
+