Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -loop-reduce -disable-output |
| 2 | |
| 3 | 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" |
| 4 | |
| 5 | target triple = "i686-apple-darwin9" |
| 6 | |
| 7 | define i8* @foo( i8* %ABC) { |
| 8 | entry: |
| 9 | switch i8 0, label %bb129 [ |
| 10 | i8 0, label %UnifiedReturnBlock |
| 11 | i8 9, label %UnifiedReturnBlock |
| 12 | i8 32, label %UnifiedReturnBlock |
| 13 | i8 35, label %UnifiedReturnBlock |
| 14 | i8 37, label %bb16.preheader |
| 15 | ] |
| 16 | |
| 17 | bb16.preheader: ; preds = %entry |
| 18 | br label %bb16 |
| 19 | |
| 20 | bb16: ; preds = %cond_next102, %bb16.preheader |
| 21 | %indvar = phi i32 [ %indvar.next, %cond_next102 ], [ 0, %bb16.preheader ] ; <i32> [#uses=2] |
| 22 | %ABC.2146.0.rec = mul i32 %indvar, 3 ; <i32> [#uses=1] |
| 23 | br i1 false, label %UnifiedReturnBlock.loopexit, label %cond_next102 |
| 24 | |
| 25 | cond_next102: ; preds = %bb16 |
| 26 | %tmp138145.rec = add i32 %ABC.2146.0.rec, 3 ; <i32> [#uses=1] |
| 27 | %tmp138145 = getelementptr i8, i8* %ABC, i32 %tmp138145.rec ; <i8*> [#uses=4] |
| 28 | %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] |
| 29 | switch i8 0, label %bb129.loopexit [ |
| 30 | i8 0, label %UnifiedReturnBlock.loopexit |
| 31 | i8 9, label %UnifiedReturnBlock.loopexit |
| 32 | i8 32, label %UnifiedReturnBlock.loopexit |
| 33 | i8 35, label %UnifiedReturnBlock.loopexit |
| 34 | i8 37, label %bb16 |
| 35 | ] |
| 36 | |
| 37 | bb129.loopexit: ; preds = %cond_next102 |
| 38 | br label %bb129 |
| 39 | |
| 40 | bb129: ; preds = %bb129.loopexit, %entry |
| 41 | ret i8* null |
| 42 | |
| 43 | UnifiedReturnBlock.loopexit: ; preds = %cond_next102, %cond_next102, %cond_next102, %cond_next102, %bb16 |
| 44 | %UnifiedRetVal.ph = phi i8* [ %tmp138145, %cond_next102 ], [ %tmp138145, %cond_next102 ], [ %tmp138145, %cond_next102 ], [ %tmp138145, %cond_next102 ], [ null, %bb16 ] ; <i8*> [#uses=0] |
| 45 | br label %UnifiedReturnBlock |
| 46 | |
| 47 | UnifiedReturnBlock: ; preds = %UnifiedReturnBlock.loopexit, %entry, %entry, %entry, %entry |
| 48 | ret i8* null |
| 49 | } |
| 50 | |
| 51 | define i8* @bar() { |
| 52 | entry: |
| 53 | switch i8 0, label %bb158 [ |
| 54 | i8 37, label %bb74 |
| 55 | i8 58, label %cond_true |
| 56 | i8 64, label %bb11 |
| 57 | ] |
| 58 | |
| 59 | bb11: ; preds = %entry |
| 60 | ret i8* null |
| 61 | |
| 62 | cond_true: ; preds = %entry |
| 63 | ret i8* null |
| 64 | |
| 65 | bb74: ; preds = %entry |
| 66 | ret i8* null |
| 67 | |
| 68 | bb158: ; preds = %entry |
| 69 | ret i8* null |
| 70 | } |
| 71 | |