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1; RUN: opt < %s -passes=instcombine -disable-output2 3 %struct.Ray = type { %struct.Vec, %struct.Vec }4 %struct.Scene = type { ptr }5 %struct.Vec = type { double, double, double }6 7declare double @_Z9ray_traceRK3VecRK3RayRK5Scene(ptr, ptr, ptr)8 9define i32 @main(i32 %argc, ptr %argv) {10entry:11 %tmp3 = alloca %struct.Ray, align 4 ; <ptr> [#uses=2]12 %tmp97 = icmp slt i32 0, 512 ; <i1> [#uses=1]13 br i1 %tmp97, label %bb71, label %bb10814 15bb29: ; preds = %bb6216 %tmp322.0 = getelementptr %struct.Vec, ptr %tmp3, i32 0, i32 0 ; <ptr> [#uses=1]17 store double 0.000000e+00, ptr %tmp322.018 %tmp57 = call double @_Z9ray_traceRK3VecRK3RayRK5Scene( ptr null, ptr %tmp3, ptr null ) ; <double> [#uses=0]19 br label %bb6220 21bb62: ; preds = %bb71, %bb2922 %tmp65 = icmp slt i32 0, 4 ; <i1> [#uses=1]23 br i1 %tmp65, label %bb29, label %bb6824 25bb68: ; preds = %bb6226 ret i32 027 28bb71: ; preds = %entry29 %tmp74 = icmp slt i32 0, 4 ; <i1> [#uses=1]30 br i1 %tmp74, label %bb62, label %bb7731 32bb77: ; preds = %bb7133 ret i32 034 35bb108: ; preds = %entry36 ret i32 037}38