| Evan Cheng | dc5436a | 2013-05-05 18:07:15 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 | FileCheck %s |
| 2 | ; rdar://13782395 |
| 3 | |
| 4 | define i32 @t1(i32 %a, i32 %b, i8** %retaddr) { |
| 5 | ; CHECK: t1: |
| 6 | ; CHECK: Block address taken |
| 7 | ; CHECK-NOT: Address of block that was removed by CodeGen |
| 8 | store i8* blockaddress(@t1, %cond_true), i8** %retaddr |
| 9 | %tmp2 = icmp eq i32 %a, 0 |
| 10 | br i1 %tmp2, label %cond_false, label %cond_true |
| 11 | |
| 12 | cond_true: |
| 13 | %tmp5 = add i32 %b, 1 |
| 14 | ret i32 %tmp5 |
| 15 | |
| 16 | cond_false: |
| 17 | %tmp7 = add i32 %b, -1 |
| 18 | ret i32 %tmp7 |
| 19 | } |
| 20 | |
| 21 | define i32 @t2(i32 %a, i32 %b, i32 %c, i32 %d, i8** %retaddr) { |
| 22 | ; CHECK: t2: |
| 23 | ; CHECK: Block address taken |
| 24 | ; CHECK: %cond_true |
| 25 | ; CHECK: add |
| 26 | ; CHECK: bx lr |
| 27 | store i8* blockaddress(@t2, %cond_true), i8** %retaddr |
| 28 | %tmp2 = icmp sgt i32 %c, 10 |
| 29 | %tmp5 = icmp slt i32 %d, 4 |
| 30 | %tmp8 = and i1 %tmp5, %tmp2 |
| 31 | %tmp13 = add i32 %b, %a |
| 32 | br i1 %tmp8, label %cond_true, label %UnifiedReturnBlock |
| 33 | |
| 34 | cond_true: |
| 35 | %tmp15 = add i32 %tmp13, %c |
| 36 | %tmp1821 = sub i32 %tmp15, %d |
| 37 | ret i32 %tmp1821 |
| 38 | |
| 39 | UnifiedReturnBlock: |
| 40 | ret i32 %tmp13 |
| 41 | } |
| 42 | |
| 43 | define hidden fastcc void @t3(i8** %retaddr) { |
| 44 | ; CHECK: t3: |
| 45 | ; CHECK: Block address taken |
| 46 | ; CHECK-NOT: Address of block that was removed by CodeGen |
| 47 | bb: |
| 48 | store i8* blockaddress(@t3, %KBBlockZero_return_1), i8** %retaddr |
| 49 | br i1 undef, label %bb77, label %bb7.i |
| 50 | |
| 51 | bb7.i: ; preds = %bb35 |
| 52 | br label %bb2.i |
| 53 | |
| 54 | KBBlockZero_return_1: ; preds = %KBBlockZero.exit |
| 55 | unreachable |
| 56 | |
| 57 | KBBlockZero_return_0: ; preds = %KBBlockZero.exit |
| 58 | unreachable |
| 59 | |
| 60 | bb77: ; preds = %bb26, %bb12, %bb |
| 61 | ret void |
| 62 | |
| 63 | bb2.i: ; preds = %bb6.i350, %bb7.i |
| 64 | br i1 undef, label %bb6.i350, label %KBBlockZero.exit |
| 65 | |
| 66 | bb6.i350: ; preds = %bb2.i |
| 67 | br label %bb2.i |
| 68 | |
| 69 | KBBlockZero.exit: ; preds = %bb2.i |
| 70 | indirectbr i8* undef, [label %KBBlockZero_return_1, label %KBBlockZero_return_0] |
| 71 | } |