1; RUN: opt < %s -instcombine -disable-output 2 3 %struct.Ray = type { %struct.Vec, %struct.Vec } 4 %struct.Scene = type { i32 (...)** } 5 %struct.Vec = type { double, double, double } 6 7declare double @_Z9ray_traceRK3VecRK3RayRK5Scene(%struct.Vec*, %struct.Ray*, %struct.Scene*) 8 9define i32 @main(i32 %argc, i8** %argv) { 10entry: 11 %tmp3 = alloca %struct.Ray, align 4 ; <%struct.Ray*> [#uses=2] 12 %tmp97 = icmp slt i32 0, 512 ; <i1> [#uses=1] 13 br i1 %tmp97, label %bb71, label %bb108 14 15bb29: ; preds = %bb62 16 %tmp322 = bitcast %struct.Ray* %tmp3 to %struct.Vec* ; <%struct.Vec*> [#uses=1] 17 %tmp322.0 = getelementptr %struct.Vec, %struct.Vec* %tmp322, i32 0, i32 0 ; <double*> [#uses=1] 18 store double 0.000000e+00, double* %tmp322.0 19 %tmp57 = call double @_Z9ray_traceRK3VecRK3RayRK5Scene( %struct.Vec* null, %struct.Ray* %tmp3, %struct.Scene* null ) ; <double> [#uses=0] 20 br label %bb62 21 22bb62: ; preds = %bb71, %bb29 23 %tmp65 = icmp slt i32 0, 4 ; <i1> [#uses=1] 24 br i1 %tmp65, label %bb29, label %bb68 25 26bb68: ; preds = %bb62 27 ret i32 0 28 29bb71: ; preds = %entry 30 %tmp74 = icmp slt i32 0, 4 ; <i1> [#uses=1] 31 br i1 %tmp74, label %bb62, label %bb77 32 33bb77: ; preds = %bb71 34 ret i32 0 35 36bb108: ; preds = %entry 37 ret i32 0 38} 39