| Evan Cheng | 335d87d | 2007-10-25 09:11:16 +0000 | [diff] [blame^] | 1 | ; RUN: llvm-as < %s | llc -march=x86 | grep cmp | grep 64 |
| 2 | ; RUN: llvm-as < %s | llc -march=x86 | not grep inc |
| 3 | |
| 4 | @state = external global [0 x i32] ; <[0 x i32]*> [#uses=4] |
| 5 | @S = external global [0 x i32] ; <[0 x i32]*> [#uses=4] |
| 6 | |
| 7 | define i32 @foo() { |
| 8 | entry: |
| 9 | br label %bb |
| 10 | |
| 11 | bb: ; preds = %bb, %entry |
| 12 | %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=2] |
| 13 | %t.063.0 = phi i32 [ 0, %entry ], [ %tmp47, %bb ] ; <i32> [#uses=1] |
| 14 | %j.065.0 = shl i32 %indvar, 2 ; <i32> [#uses=4] |
| 15 | %tmp3 = getelementptr [0 x i32]* @state, i32 0, i32 %j.065.0 ; <i32*> [#uses=2] |
| 16 | %tmp4 = load i32* %tmp3, align 4 ; <i32> [#uses=1] |
| 17 | %tmp6 = getelementptr [0 x i32]* @S, i32 0, i32 %t.063.0 ; <i32*> [#uses=1] |
| 18 | %tmp7 = load i32* %tmp6, align 4 ; <i32> [#uses=1] |
| 19 | %tmp8 = xor i32 %tmp7, %tmp4 ; <i32> [#uses=2] |
| 20 | store i32 %tmp8, i32* %tmp3, align 4 |
| 21 | %tmp1378 = or i32 %j.065.0, 1 ; <i32> [#uses=1] |
| 22 | %tmp16 = getelementptr [0 x i32]* @state, i32 0, i32 %tmp1378 ; <i32*> [#uses=2] |
| 23 | %tmp17 = load i32* %tmp16, align 4 ; <i32> [#uses=1] |
| 24 | %tmp19 = getelementptr [0 x i32]* @S, i32 0, i32 %tmp8 ; <i32*> [#uses=1] |
| 25 | %tmp20 = load i32* %tmp19, align 4 ; <i32> [#uses=1] |
| 26 | %tmp21 = xor i32 %tmp20, %tmp17 ; <i32> [#uses=2] |
| 27 | store i32 %tmp21, i32* %tmp16, align 4 |
| 28 | %tmp2680 = or i32 %j.065.0, 2 ; <i32> [#uses=1] |
| 29 | %tmp29 = getelementptr [0 x i32]* @state, i32 0, i32 %tmp2680 ; <i32*> [#uses=2] |
| 30 | %tmp30 = load i32* %tmp29, align 4 ; <i32> [#uses=1] |
| 31 | %tmp32 = getelementptr [0 x i32]* @S, i32 0, i32 %tmp21 ; <i32*> [#uses=1] |
| 32 | %tmp33 = load i32* %tmp32, align 4 ; <i32> [#uses=1] |
| 33 | %tmp34 = xor i32 %tmp33, %tmp30 ; <i32> [#uses=2] |
| 34 | store i32 %tmp34, i32* %tmp29, align 4 |
| 35 | %tmp3982 = or i32 %j.065.0, 3 ; <i32> [#uses=1] |
| 36 | %tmp42 = getelementptr [0 x i32]* @state, i32 0, i32 %tmp3982 ; <i32*> [#uses=2] |
| 37 | %tmp43 = load i32* %tmp42, align 4 ; <i32> [#uses=1] |
| 38 | %tmp45 = getelementptr [0 x i32]* @S, i32 0, i32 %tmp34 ; <i32*> [#uses=1] |
| 39 | %tmp46 = load i32* %tmp45, align 4 ; <i32> [#uses=1] |
| 40 | %tmp47 = xor i32 %tmp46, %tmp43 ; <i32> [#uses=3] |
| 41 | store i32 %tmp47, i32* %tmp42, align 4 |
| 42 | %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2] |
| 43 | %exitcond = icmp eq i32 %indvar.next, 4 ; <i1> [#uses=1] |
| 44 | br i1 %exitcond, label %bb57, label %bb |
| 45 | |
| 46 | bb57: ; preds = %bb |
| 47 | %tmp59 = and i32 %tmp47, 255 ; <i32> [#uses=1] |
| 48 | ret i32 %tmp59 |
| 49 | } |