1 ; RUN: opt < %s -analyze -scalar-evolution -disable-output | FileCheck %s
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>
8 ; These sexts are not foldable.
10 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64"
12 @table = common global [32 x [256 x i32]] zeroinitializer, align 32 ; <[32 x [256 x i32]]*> [#uses=2]
14 define i32 @main() nounwind {
16 br i1 false, label %bb5, label %bb.nph3
18 bb.nph3: ; preds = %entry
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
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]
41 %phitmp1 = icmp sgt i32 %tmp8, 255 ; <i1> [#uses=1]
42 br i1 %phitmp1, label %bb2.bb3_crit_edge, label %bb1
44 bb2.bb3_crit_edge: ; preds = %bb2
47 bb3: ; preds = %bb2.bb3_crit_edge, %bb
48 %tmp10 = add i32 %i.02, 1 ; <i32> [#uses=2]
52 %phitmp = icmp sgt i32 %tmp10, 31 ; <i1> [#uses=1]
53 br i1 %phitmp, label %bb4.bb5_crit_edge, label %bb
55 bb4.bb5_crit_edge: ; preds = %bb4
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
64 call void @abort() noreturn nounwind
70 return: ; preds = %bb7
74 declare void @abort() noreturn nounwind