| Dan Gohman | cebc72c | 2009-10-15 00:36:22 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -mtriple=i386-apple-darwin | FileCheck %s |
| 2 | |
| 3 | ; CodeGen should align the top of the loop, which differs from the loop |
| 4 | ; header in this case. |
| 5 | |
| 6 | ; CHECK: jmp LBB1_2 |
| 7 | ; CHECK: .align |
| 8 | ; CHECK: LBB1_1: |
| Evan Cheng | 83059fd | 2008-11-27 01:16:00 +0000 | [diff] [blame] | 9 | |
| 10 | @A = common global [100 x i32] zeroinitializer, align 32 ; <[100 x i32]*> [#uses=1] |
| 11 | |
| 12 | define i8* @test(i8* %Q, i32* %L) nounwind { |
| 13 | entry: |
| 14 | %tmp = tail call i32 (...)* @foo() nounwind ; <i32> [#uses=2] |
| 15 | %tmp1 = inttoptr i32 %tmp to i8* ; <i8*> [#uses=1] |
| 16 | br label %bb1 |
| 17 | |
| 18 | bb: ; preds = %bb1, %bb1 |
| 19 | %indvar.next = add i32 %P.0.rec, 1 ; <i32> [#uses=1] |
| 20 | br label %bb1 |
| 21 | |
| 22 | bb1: ; preds = %bb, %entry |
| 23 | %P.0.rec = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=2] |
| 24 | %P.0 = getelementptr i8* %tmp1, i32 %P.0.rec ; <i8*> [#uses=3] |
| 25 | %tmp2 = load i8* %P.0, align 1 ; <i8> [#uses=1] |
| 26 | switch i8 %tmp2, label %bb4 [ |
| 27 | i8 12, label %bb |
| 28 | i8 42, label %bb |
| 29 | ] |
| 30 | |
| 31 | bb4: ; preds = %bb1 |
| 32 | %tmp3 = ptrtoint i8* %P.0 to i32 ; <i32> [#uses=1] |
| 33 | %tmp4 = sub i32 %tmp3, %tmp ; <i32> [#uses=1] |
| 34 | %tmp5 = getelementptr [100 x i32]* @A, i32 0, i32 %tmp4 ; <i32*> [#uses=1] |
| 35 | store i32 4, i32* %tmp5, align 4 |
| 36 | ret i8* %P.0 |
| 37 | } |
| 38 | |
| 39 | declare i32 @foo(...) |