| Dan Gohman | 4298d2e | 2010-01-26 19:25:59 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s |
| Dan Gohman | 0658f61 | 2009-07-25 16:03:30 +0000 | [diff] [blame] | 2 | |
| 3 | ; CHECK: %tmp3 = sext i8 %tmp2 to i32 |
| Dan Gohman | 169195e | 2010-01-09 18:17:45 +0000 | [diff] [blame] | 4 | ; CHECK: --> (sext i8 {0,+,1}<%bb1> to i32) Exits: -1 |
| Dan Gohman | 0658f61 | 2009-07-25 16:03:30 +0000 | [diff] [blame] | 5 | ; CHECK: %tmp4 = mul i32 %tmp3, %i.02 |
| Dan Gohman | 169195e | 2010-01-09 18:17:45 +0000 | [diff] [blame] | 6 | ; CHECK: --> ((sext i8 {0,+,1}<%bb1> to i32) * {0,+,1}<%bb>) Exits: {0,+,-1}<%bb> |
| Dan Gohman | 0658f61 | 2009-07-25 16:03:30 +0000 | [diff] [blame] | 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 |