| Dan Gohman | f2f6ce6 | 2009-09-11 18:01:28 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -loop-unswitch -indvars -disable-output |
| Devang Patel | cf6af30 | 2007-09-10 18:12:52 +0000 | [diff] [blame] | 2 | ; Require SCEV before LCSSA. |
| 3 | define void @foo() { |
| 4 | entry: |
| 5 | %i = alloca i32, align 4 ; <i32*> [#uses=5] |
| 6 | %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| 7 | store i32 0, i32* %i, align 4 |
| 8 | br label %bb3 |
| 9 | |
| 10 | bb: ; preds = %bb3 |
| 11 | %tmp = load i32* %i, align 4 ; <i32> [#uses=1] |
| 12 | call void @bar( i32 %tmp ) |
| 13 | %tmp1 = load i32* %i, align 4 ; <i32> [#uses=1] |
| 14 | %tmp2 = add i32 %tmp1, 1 ; <i32> [#uses=1] |
| 15 | store i32 %tmp2, i32* %i, align 4 |
| 16 | br label %bb3 |
| 17 | |
| 18 | bb3: ; preds = %bb, %entry |
| 19 | %tmp4 = load i32* %i, align 4 ; <i32> [#uses=1] |
| 20 | %tmp5 = icmp sle i32 %tmp4, 9 ; <i1> [#uses=1] |
| 21 | %tmp56 = zext i1 %tmp5 to i8 ; <i8> [#uses=1] |
| 22 | %toBool = icmp ne i8 %tmp56, 0 ; <i1> [#uses=1] |
| 23 | br i1 %toBool, label %bb, label %bb7 |
| 24 | |
| 25 | bb7: ; preds = %bb3 |
| 26 | br label %return |
| 27 | |
| 28 | return: ; preds = %bb7 |
| 29 | ret void |
| 30 | } |
| 31 | |
| 32 | declare void @bar(i32) |