| Evan Cheng | d6871b0 | 2010-03-17 23:58:35 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -mtriple=i386-apple-darwin5 |
| 2 | ; rdar://7761790 |
| 3 | |
| 4 | %"struct..0$_485" = type { i16, i16, i32 } |
| 5 | %union.PPToken = type { %"struct..0$_485" } |
| 6 | %struct.PPOperation = type { %union.PPToken, %union.PPToken, [6 x %union.PPToken], i32, i32, i32, [1 x i32], [0 x i8] } |
| 7 | |
| 8 | define i32* @t() align 2 nounwind { |
| 9 | entry: |
| 10 | %operation = alloca %struct.PPOperation, align 8 ; <%struct.PPOperation*> [#uses=2] |
| 11 | %0 = load i32*** null, align 4 ; [#uses=1] |
| 12 | %1 = ptrtoint i32** %0 to i32 ; <i32> [#uses=1] |
| 13 | %2 = sub nsw i32 %1, undef ; <i32> [#uses=2] |
| 14 | br i1 false, label %bb20, label %bb.nph380 |
| 15 | |
| 16 | bb20: ; preds = %entry |
| 17 | ret i32* null |
| 18 | |
| 19 | bb.nph380: ; preds = %entry |
| 20 | %scevgep403 = getelementptr %struct.PPOperation* %operation, i32 0, i32 1, i32 0, i32 2 ; <i32*> [#uses=1] |
| 21 | %3 = ashr i32 %2, 1 ; <i32> [#uses=1] |
| 22 | %tmp405 = and i32 %3, -2 ; <i32> [#uses=1] |
| 23 | %scevgep408 = getelementptr %struct.PPOperation* %operation, i32 0, i32 1, i32 0, i32 1 ; <i16*> [#uses=1] |
| 24 | %tmp410 = and i32 %2, -4 ; <i32> [#uses=1] |
| 25 | br label %bb169 |
| 26 | |
| 27 | bb169: ; preds = %bb169, %bb.nph380 |
| 28 | %index.6379 = phi i32 [ 0, %bb.nph380 ], [ %4, %bb169 ] ; <i32> [#uses=3] |
| 29 | %tmp404 = mul i32 %index.6379, -2 ; <i32> [#uses=1] |
| 30 | %tmp406 = add i32 %tmp405, %tmp404 ; <i32> [#uses=1] |
| 31 | %scevgep407 = getelementptr i32* %scevgep403, i32 %tmp406 ; <i32*> [#uses=1] |
| 32 | %tmp409 = mul i32 %index.6379, -4 ; <i32> [#uses=1] |
| 33 | %tmp411 = add i32 %tmp410, %tmp409 ; <i32> [#uses=1] |
| 34 | %scevgep412 = getelementptr i16* %scevgep408, i32 %tmp411 ; <i16*> [#uses=1] |
| 35 | store i16 undef, i16* %scevgep412, align 2 |
| 36 | store i32 undef, i32* %scevgep407, align 4 |
| 37 | %4 = add nsw i32 %index.6379, 1 ; <i32> [#uses=1] |
| 38 | br label %bb169 |
| 39 | } |