1 ; RUN: opt < %s -indvars -S | grep {120, %bb2.bb3_crit_edge} 2 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64" 3 target triple = "i686-pc-linux-gnu" 4 5 ; Indvars should be able to compute an exit value for %tmp1. 6 7 define i32 @testcase(i5 zeroext %k) nounwind readnone { 8 entry: 9 br i1 false, label %bb3, label %bb.nph 10 11 bb.nph: ; preds = %entry 12 br label %bb 13 14 bb: ; preds = %bb2, %bb.nph 15 %result2 = phi i32 [ %tmp1, %bb2 ], [ 0, %bb.nph ] ; <i32> [#uses=1] 16 %k_01 = phi i5 [ %indvar_next1, %bb2 ], [ 0, %bb.nph ] ; <i5> [#uses=2] 17 %tmp2 = zext i5 %k_01 to i32 ; <i32> [#uses=1] 18 %tmp1 = add i32 %tmp2, %result2 ; <i32> [#uses=2] 19 %indvar_next1 = add i5 %k_01, 1 ; <i5> [#uses=2] 20 br label %bb2 21 22 bb2: ; preds = %bb 23 %phitmp = icmp eq i5 %indvar_next1, -16 ; <i1> [#uses=1] 24 br i1 %phitmp, label %bb2.bb3_crit_edge, label %bb 25 26 bb2.bb3_crit_edge: ; preds = %bb2 27 br label %bb3 28 29 bb3: ; preds = %bb2.bb3_crit_edge, %entry 30 %result.lcssa = phi i32 [ %tmp1, %bb2.bb3_crit_edge ], [ 0, %entry ] ; <i32> [#uses=1] 31 ret i32 %result.lcssa 32 } 33
