2 ; Update loop iteraton space to eliminate condition inside loop.
3 ; RUN: llvm-as < %s | opt -loop-index-split | llvm-dis | not grep bothcond
4 define void @test(float* %x, i32 %ndat, float** %y, float %xcen, i32 %xmin, i32 %xmax, float %sigmal, float %contribution) {
6 %tmp5310 = icmp sgt i32 %xmin, %xmax ; <i1> [#uses=1]
7 br i1 %tmp5310, label %return, label %bb.preheader
9 bb.preheader: ; preds = %entry
10 %tmp3031 = fpext float %contribution to double ; <double> [#uses=1]
11 %tmp32 = mul double %tmp3031, 5.000000e-01 ; <double> [#uses=1]
12 %tmp3839 = fpext float %sigmal to double ; <double> [#uses=1]
15 bb: ; preds = %bb.preheader, %cond_next45
16 %i.01.0 = phi i32 [ %tmp47, %cond_next45 ], [ %xmin, %bb.preheader ] ; <i32> [#uses=4]
17 %k.06.0 = phi i32 [ %tmp49, %cond_next45 ], [ 0, %bb.preheader ] ; <i32> [#uses=3]
18 %tmp2 = icmp sgt i32 %i.01.0, -1 ; <i1> [#uses=1]
19 %tmp6 = icmp slt i32 %i.01.0, %ndat ; <i1> [#uses=1]
20 %bothcond = and i1 %tmp2, %tmp6 ; <i1> [#uses=1]
21 br i1 %bothcond, label %cond_true9, label %cond_next45
23 cond_true9: ; preds = %bb
24 %tmp12 = getelementptr float* %x, i32 %i.01.0 ; <float*> [#uses=1]
25 %tmp13 = load float* %tmp12, align 4 ; <float> [#uses=1]
26 %tmp15 = sub float %xcen, %tmp13 ; <float> [#uses=1]
27 %tmp16 = tail call float @fabsf( float %tmp15 ) ; <float> [#uses=1]
28 %tmp18 = fdiv float %tmp16, %sigmal ; <float> [#uses=1]
29 %tmp21 = load float** %y, align 4 ; <float*> [#uses=2]
30 %tmp27 = getelementptr float* %tmp21, i32 %k.06.0 ; <float*> [#uses=1]
31 %tmp28 = load float* %tmp27, align 4 ; <float> [#uses=1]
32 %tmp2829 = fpext float %tmp28 to double ; <double> [#uses=1]
33 %tmp34 = sub float -0.000000e+00, %tmp18 ; <float> [#uses=1]
34 %tmp3435 = fpext float %tmp34 to double ; <double> [#uses=1]
35 %tmp36 = tail call double @exp( double %tmp3435 ) ; <double> [#uses=1]
36 %tmp37 = mul double %tmp32, %tmp36 ; <double> [#uses=1]
37 %tmp40 = fdiv double %tmp37, %tmp3839 ; <double> [#uses=1]
38 %tmp41 = add double %tmp2829, %tmp40 ; <double> [#uses=1]
39 %tmp4142 = fptrunc double %tmp41 to float ; <float> [#uses=1]
40 %tmp44 = getelementptr float* %tmp21, i32 %k.06.0 ; <float*> [#uses=1]
41 store float %tmp4142, float* %tmp44, align 4
44 cond_next45: ; preds = %bb, %cond_true9
45 %tmp47 = add i32 %i.01.0, 1 ; <i32> [#uses=2]
46 %tmp49 = add i32 %k.06.0, 1 ; <i32> [#uses=1]
47 %tmp53 = icmp sgt i32 %tmp47, %xmax ; <i1> [#uses=1]
48 br i1 %tmp53, label %return.loopexit, label %bb
50 return.loopexit: ; preds = %cond_next45
53 return: ; preds = %return.loopexit, %entry
57 declare float @fabsf(float)
59 declare double @exp(double)