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