| Dan Gohman | da594cf | 2009-09-09 00:09:15 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=x86 | grep cmp | count 1 |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 2 | ; PR964 |
| 3 | |
| Tanya Lattner | f28e0ce | 2008-02-19 01:41:04 +0000 | [diff] [blame] | 4 | define i8* @FindChar(i8* %CurPtr) { |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 5 | entry: |
| Tanya Lattner | f28e0ce | 2008-02-19 01:41:04 +0000 | [diff] [blame] | 6 | br label %bb |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 7 | |
| Tanya Lattner | f28e0ce | 2008-02-19 01:41:04 +0000 | [diff] [blame] | 8 | bb: ; preds = %bb, %entry |
| 9 | %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=3] |
| 10 | %CurPtr_addr.0.rec = bitcast i32 %indvar to i32 ; <i32> [#uses=1] |
| 11 | %gep.upgrd.1 = zext i32 %indvar to i64 ; <i64> [#uses=1] |
| 12 | %CurPtr_addr.0 = getelementptr i8* %CurPtr, i64 %gep.upgrd.1 ; <i8*> [#uses=1] |
| 13 | %tmp = load i8* %CurPtr_addr.0 ; <i8> [#uses=3] |
| 14 | %tmp2.rec = add i32 %CurPtr_addr.0.rec, 1 ; <i32> [#uses=1] |
| 15 | %tmp2 = getelementptr i8* %CurPtr, i32 %tmp2.rec ; <i8*> [#uses=1] |
| 16 | %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] |
| 17 | switch i8 %tmp, label %bb [ |
| 18 | i8 0, label %bb7 |
| 19 | i8 120, label %bb7 |
| 20 | ] |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 21 | |
| Tanya Lattner | f28e0ce | 2008-02-19 01:41:04 +0000 | [diff] [blame] | 22 | bb7: ; preds = %bb, %bb |
| 23 | tail call void @foo( i8 %tmp ) |
| 24 | ret i8* %tmp2 |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 25 | } |
| 26 | |
| Tanya Lattner | f28e0ce | 2008-02-19 01:41:04 +0000 | [diff] [blame] | 27 | declare void @foo(i8) |
| 28 | |