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      1 ; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s
      2 
      3 ; CHECK: %tmp3 = sext i8 %tmp2 to i32
      4 ; CHECK: -->  (sext i8 {0,+,1}<%bb1> to i32)   Exits: -1
      5 ; CHECK: %tmp4 = mul i32 %tmp3, %i.02
      6 ; CHECK: -->  ((sext i8 {0,+,1}<%bb1> to i32) * {0,+,1}<%bb>)   Exits: {0,+,-1}<%bb>
      7 
      8 ; These sexts are not foldable.
      9 
     10 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64"
     11 
     12 @table = common global [32 x [256 x i32]] zeroinitializer, align 32		; <[32 x [256 x i32]]*> [#uses=2]
     13 
     14 define i32 @main() nounwind {
     15 entry:
     16 	br i1 false, label %bb5, label %bb.nph3
     17 
     18 bb.nph3:		; preds = %entry
     19 	br label %bb
     20 
     21 bb:		; preds = %bb4, %bb.nph3
     22 	%i.02 = phi i32 [ %tmp10, %bb4 ], [ 0, %bb.nph3 ]		; <i32> [#uses=3]
     23 	br i1 false, label %bb3, label %bb.nph
     24 
     25 bb.nph:		; preds = %bb
     26 	br label %bb1
     27 
     28 bb1:		; preds = %bb2, %bb.nph
     29 	%j.01 = phi i32 [ %tmp8, %bb2 ], [ 0, %bb.nph ]		; <i32> [#uses=3]
     30 	%tmp2 = trunc i32 %j.01 to i8		; <i8> [#uses=1]
     31 	%tmp3 = sext i8 %tmp2 to i32		; <i32> [#uses=1]
     32 	%tmp4 = mul i32 %tmp3, %i.02		; <i32> [#uses=1]
     33 	%tmp5 = sext i32 %i.02 to i64		; <i64> [#uses=1]
     34 	%tmp6 = sext i32 %j.01 to i64		; <i64> [#uses=1]
     35 	%tmp7 = getelementptr [32 x [256 x i32]]* @table, i64 0, i64 %tmp5, i64 %tmp6		; <i32*> [#uses=1]
     36 	store i32 %tmp4, i32* %tmp7, align 4
     37 	%tmp8 = add i32 %j.01, 1		; <i32> [#uses=2]
     38 	br label %bb2
     39 
     40 bb2:		; preds = %bb1
     41 	%phitmp1 = icmp sgt i32 %tmp8, 255		; <i1> [#uses=1]
     42 	br i1 %phitmp1, label %bb2.bb3_crit_edge, label %bb1
     43 
     44 bb2.bb3_crit_edge:		; preds = %bb2
     45 	br label %bb3
     46 
     47 bb3:		; preds = %bb2.bb3_crit_edge, %bb
     48 	%tmp10 = add i32 %i.02, 1		; <i32> [#uses=2]
     49 	br label %bb4
     50 
     51 bb4:		; preds = %bb3
     52 	%phitmp = icmp sgt i32 %tmp10, 31		; <i1> [#uses=1]
     53 	br i1 %phitmp, label %bb4.bb5_crit_edge, label %bb
     54 
     55 bb4.bb5_crit_edge:		; preds = %bb4
     56 	br label %bb5
     57 
     58 bb5:		; preds = %bb4.bb5_crit_edge, %entry
     59 	%tmp12 = load i32* getelementptr ([32 x [256 x i32]]* @table, i64 0, i64 9, i64 132), align 16		; <i32> [#uses=1]
     60 	%tmp13 = icmp eq i32 %tmp12, -1116		; <i1> [#uses=1]
     61 	br i1 %tmp13, label %bb7, label %bb6
     62 
     63 bb6:		; preds = %bb5
     64 	call void @abort() noreturn nounwind
     65 	unreachable
     66 
     67 bb7:		; preds = %bb5
     68 	br label %return
     69 
     70 return:		; preds = %bb7
     71 	ret i32 0
     72 }
     73 
     74 declare void @abort() noreturn nounwind
     75