| Dan Gohman | 3c7d308 | 2009-09-11 18:01:28 +0000 | [diff] [blame^] | 1 | ; RUN: opt < %s -loop-index-split -stats | not grep "loop-index-split" |
| Devang Patel | 66d9c1d | 2008-11-10 19:48:34 +0000 | [diff] [blame] | 2 | ; PR3029 |
| 3 | |
| 4 | @g_138 = common global i32 0 ; <i32*> [#uses=3] |
| 5 | @g_188 = common global i32 0 ; <i32*> [#uses=4] |
| 6 | @g_207 = common global i32 0 ; <i32*> [#uses=3] |
| 7 | @"\01LC" = internal constant [4 x i8] c"%d\0A\00" ; <[4 x i8]*> [#uses=1] |
| 8 | @g_102 = common global i32 0 ; <i32*> [#uses=0] |
| 9 | |
| 10 | define i32 @func_119() nounwind { |
| 11 | entry: |
| 12 | %0 = volatile load i32* @g_138, align 4 ; <i32> [#uses=1] |
| 13 | ret i32 %0 |
| 14 | } |
| 15 | |
| 16 | define void @func_110(i32 %p_111) nounwind { |
| 17 | entry: |
| 18 | %0 = load i32* @g_188, align 4 ; <i32> [#uses=1] |
| 19 | %1 = icmp ugt i32 %0, -1572397472 ; <i1> [#uses=1] |
| 20 | br i1 %1, label %bb, label %bb1 |
| 21 | |
| 22 | bb: ; preds = %entry |
| 23 | %2 = volatile load i32* @g_138, align 4 ; <i32> [#uses=0] |
| 24 | ret void |
| 25 | |
| 26 | bb1: ; preds = %entry |
| 27 | store i32 1, i32* @g_207, align 4 |
| 28 | ret void |
| 29 | } |
| 30 | |
| 31 | define void @func_34() nounwind { |
| 32 | entry: |
| 33 | store i32 0, i32* @g_188 |
| 34 | %g_188.promoted = load i32* @g_188 ; <i32> [#uses=1] |
| 35 | br label %bb |
| 36 | |
| 37 | bb: ; preds = %func_110.exit, %entry |
| 38 | %g_188.tmp.0 = phi i32 [ %g_188.promoted, %entry ], [ %2, %func_110.exit ] ; <i32> [#uses=2] |
| 39 | %0 = icmp ugt i32 %g_188.tmp.0, -1572397472 ; <i1> [#uses=1] |
| 40 | br i1 %0, label %bb.i, label %bb1.i |
| 41 | |
| 42 | bb.i: ; preds = %bb |
| 43 | %1 = volatile load i32* @g_138, align 4 ; <i32> [#uses=0] |
| 44 | br label %func_110.exit |
| 45 | |
| 46 | bb1.i: ; preds = %bb |
| 47 | store i32 1, i32* @g_207, align 4 |
| 48 | br label %func_110.exit |
| 49 | |
| 50 | func_110.exit: ; preds = %bb.i, %bb1.i |
| 51 | %2 = add i32 %g_188.tmp.0, 1 ; <i32> [#uses=3] |
| 52 | %3 = icmp sgt i32 %2, 1 ; <i1> [#uses=1] |
| 53 | br i1 %3, label %return, label %bb |
| 54 | |
| 55 | return: ; preds = %func_110.exit |
| 56 | %.lcssa = phi i32 [ %2, %func_110.exit ] ; <i32> [#uses=1] |
| 57 | store i32 %.lcssa, i32* @g_188 |
| 58 | ret void |
| 59 | } |
| 60 | |
| 61 | define i32 @main() nounwind { |
| 62 | entry: |
| 63 | call void @func_34() nounwind |
| 64 | %0 = load i32* @g_207, align 4 ; <i32> [#uses=1] |
| 65 | %1 = call i32 (i8*, ...)* @printf(i8* getelementptr ([4 x i8]* @"\01LC", i32 0, i32 0), i32 %0) nounwind ; <i32> [#uses=0] |
| 66 | ret i32 0 |
| 67 | } |
| 68 | |
| 69 | declare i32 @printf(i8*, ...) nounwind |