1 ; RUN: opt < %s -analyze -scalar-evolution \ 2 ; RUN: | FileCheck %s 3 ; PR4569 4 5 define i16 @main() nounwind { 6 entry: 7 br label %bb.i 8 9 bb.i: ; preds = %bb1.i, %bb.nph 10 %l_95.0.i1 = phi i8 [ %tmp1, %bb.i ], [ 0, %entry ] 11 12 ; This cast shouldn't be folded into the addrec. 13 ; CHECK: %tmp = zext i8 %l_95.0.i1 to i16 14 ; CHECK: --> (zext i8 {0,+,-1}<%bb.i> to i16) Exits: 2 15 16 %tmp = zext i8 %l_95.0.i1 to i16 17 18 %tmp1 = add i8 %l_95.0.i1, -1 19 %phitmp = icmp eq i8 %tmp1, 1 20 br i1 %phitmp, label %bb1.i.func_36.exit_crit_edge, label %bb.i 21 22 bb1.i.func_36.exit_crit_edge: 23 ret i16 %tmp 24 } 25
