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; RUN: opt < %s -instcombine -S | FileCheck %s
; <rdar://problem/10889741>
define void @func(double %r, double %g, double %b, double* %outH, double* %outS, double* %outL) nounwind uwtable ssp {
bb:
%tmp = alloca double, align 8
%tmp1 = alloca double, align 8
%tmp2 = alloca double, align 8
store double %r, double* %tmp, align 8
store double %g, double* %tmp1, align 8
store double %b, double* %tmp2, align 8
%tmp3 = fcmp ogt double %r, %g
br i1 %tmp3, label %bb4, label %bb8
bb4: ; preds = %bb
%tmp5 = fcmp ogt double %r, %b
br i1 %tmp5, label %bb6, label %bb7
bb6: ; preds = %bb4
br label %bb12
bb7: ; preds = %bb4
br label %bb12
bb8: ; preds = %bb
%tmp9 = fcmp ogt double %g, %b
br i1 %tmp9, label %bb10, label %bb11
bb10: ; preds = %bb8
br label %bb12
bb11: ; preds = %bb8
br label %bb12
bb12: ; preds = %bb11, %bb10, %bb7, %bb6
%max.0 = phi double* [ %tmp, %bb6 ], [ %tmp2, %bb7 ], [ %tmp1, %bb10 ], [ %tmp2, %bb11 ]
; CHECK: %tmp13 = load double, double* %tmp, align 8
; CHECK: %tmp14 = load double, double* %tmp1, align 8
; CHECK: %tmp15 = fcmp olt double %tmp13, %tmp14
%tmp13 = load double, double* %tmp, align 8
%tmp14 = load double, double* %tmp1, align 8
%tmp15 = fcmp olt double %tmp13, %tmp14
br i1 %tmp15, label %bb16, label %bb21
bb16: ; preds = %bb12
%tmp17 = load double, double* %tmp2, align 8
%tmp18 = fcmp olt double %tmp13, %tmp17
br i1 %tmp18, label %bb19, label %bb20
bb19: ; preds = %bb16
br label %bb26
bb20: ; preds = %bb16
br label %bb26
bb21: ; preds = %bb12
%tmp22 = load double, double* %tmp2, align 8
%tmp23 = fcmp olt double %tmp14, %tmp22
br i1 %tmp23, label %bb24, label %bb25
bb24: ; preds = %bb21
br label %bb26
bb25: ; preds = %bb21
br label %bb26
bb26: ; preds = %bb25, %bb24, %bb20, %bb19
%min.0 = phi double* [ %tmp, %bb19 ], [ %tmp2, %bb20 ], [ %tmp1, %bb24 ], [ %tmp2, %bb25 ]
; CHECK: %tmp27 = load double, double* %min.0, align 8
; CHECK: %tmp28 = load double, double* %max.0
; CHECK: %tmp29 = fadd double %tmp27, %tmp28
%tmp27 = load double, double* %min.0, align 8
%tmp28 = load double, double* %max.0
%tmp29 = fadd double %tmp27, %tmp28
%tmp30 = fdiv double %tmp29, 2.000000e+00
store double %tmp30, double* %outL
%tmp31 = load double, double* %min.0
%tmp32 = load double, double* %max.0
%tmp33 = fcmp oeq double %tmp31, %tmp32
br i1 %tmp33, label %bb34, label %bb35
bb34: ; preds = %bb26
store double 0.000000e+00, double* %outS
store double 0.000000e+00, double* %outH
br label %bb81
bb35: ; preds = %bb26
%tmp36 = fcmp olt double %tmp30, 5.000000e-01
%tmp37 = fsub double %tmp32, %tmp31
br i1 %tmp36, label %bb38, label %bb41
bb38: ; preds = %bb35
%tmp39 = fadd double %tmp32, %tmp31
%tmp40 = fdiv double %tmp37, %tmp39
store double %tmp40, double* %outS
br label %bb45
bb41: ; preds = %bb35
%tmp42 = fsub double 2.000000e+00, %tmp32
%tmp43 = fsub double %tmp42, %tmp31
%tmp44 = fdiv double %tmp37, %tmp43
store double %tmp44, double* %outS
br label %bb45
bb45: ; preds = %bb41, %bb38
%tmp46 = icmp eq double* %max.0, %tmp
br i1 %tmp46, label %bb47, label %bb55
bb47: ; preds = %bb45
%tmp48 = load double, double* %tmp1, align 8
%tmp49 = load double, double* %tmp2, align 8
%tmp50 = fsub double %tmp48, %tmp49
%tmp51 = load double, double* %max.0
%tmp52 = load double, double* %min.0
%tmp53 = fsub double %tmp51, %tmp52
%tmp54 = fdiv double %tmp50, %tmp53
store double %tmp54, double* %outH
br label %bb75
bb55: ; preds = %bb45
%tmp56 = icmp eq double* %max.0, %tmp1
br i1 %tmp56, label %bb57, label %bb66
bb57: ; preds = %bb55
%tmp58 = load double, double* %tmp2, align 8
%tmp59 = load double, double* %tmp, align 8
%tmp60 = fsub double %tmp58, %tmp59
%tmp61 = load double, double* %max.0
%tmp62 = load double, double* %min.0
%tmp63 = fsub double %tmp61, %tmp62
%tmp64 = fdiv double %tmp60, %tmp63
%tmp65 = fadd double 2.000000e+00, %tmp64
store double %tmp65, double* %outH
br label %bb75
bb66: ; preds = %bb55
%tmp67 = load double, double* %tmp, align 8
%tmp68 = load double, double* %tmp1, align 8
%tmp69 = fsub double %tmp67, %tmp68
%tmp70 = load double, double* %max.0
%tmp71 = load double, double* %min.0
%tmp72 = fsub double %tmp70, %tmp71
%tmp73 = fdiv double %tmp69, %tmp72
%tmp74 = fadd double 4.000000e+00, %tmp73
store double %tmp74, double* %outH
br label %bb75
bb75: ; preds = %bb66, %bb57, %bb47
%tmp76 = load double, double* %outH
%tmp77 = fdiv double %tmp76, 6.000000e+00
store double %tmp77, double* %outH
%tmp78 = fcmp olt double %tmp77, 0.000000e+00
br i1 %tmp78, label %bb79, label %bb81
bb79: ; preds = %bb75
%tmp80 = fadd double %tmp77, 1.000000e+00
store double %tmp80, double* %outH
br label %bb81
bb81: ; preds = %bb79, %bb75, %bb34
ret void
}
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