| Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame] | 1 | ; PR1015 |
| 2 | ; RUN: opt < %s -indvars -S | FileCheck %s |
| 3 | |
| 4 | target datalayout = "e-p:32:32" |
| 5 | target triple = "i686-apple-darwin8" |
| 6 | @foo = internal constant [5 x i8] c"\00abc\00" ; <[5 x i8]*> [#uses=1] |
| 7 | @str = internal constant [4 x i8] c"%d\0A\00" ; <[4 x i8]*> [#uses=1] |
| 8 | |
| 9 | |
| 10 | define i32 @test(i32 %J) { |
| 11 | ; CHECK-LABEL: @test( |
| 12 | ; CHECK-NOT: ret i32 0 |
| 13 | entry: |
| 14 | br label %bb2 |
| 15 | |
| 16 | bb: ; preds = %cond_next, %cond_true |
| 17 | %tmp1 = add i32 %i.0, 1 ; <i32> [#uses=1] |
| 18 | br label %bb2 |
| 19 | |
| 20 | bb2: ; preds = %bb, %entry |
| 21 | %i.0 = phi i32 [ 0, %entry ], [ %tmp1, %bb ] ; <i32> [#uses=4] |
| 22 | %tmp = icmp eq i32 %i.0, 0 ; <i1> [#uses=1] |
| 23 | br i1 %tmp, label %cond_true, label %cond_next |
| 24 | |
| 25 | cond_true: ; preds = %bb2 |
| 26 | br label %bb |
| 27 | |
| 28 | cond_next: ; preds = %bb2 |
| 29 | %tmp2 = getelementptr [5 x i8], [5 x i8]* @foo, i32 0, i32 %i.0 ; <i8*> [#uses=1] |
| 30 | %tmp3 = load i8, i8* %tmp2 ; <i8> [#uses=1] |
| 31 | %tmp5 = icmp eq i8 %tmp3, 0 ; <i1> [#uses=1] |
| 32 | br i1 %tmp5, label %bb6, label %bb |
| 33 | |
| 34 | bb6: ; preds = %cond_next |
| 35 | br label %return |
| 36 | |
| 37 | return: ; preds = %bb6 |
| 38 | ret i32 %i.0 |
| 39 | } |
| 40 | |