| ; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 | FileCheck %s |
| ; rdar://13782395 |
| |
| define i32 @t1(i32 %a, i32 %b, i8** %retaddr) { |
| ; CHECK: t1: |
| ; CHECK: Block address taken |
| ; CHECK-NOT: Address of block that was removed by CodeGen |
| store i8* blockaddress(@t1, %cond_true), i8** %retaddr |
| %tmp2 = icmp eq i32 %a, 0 |
| br i1 %tmp2, label %cond_false, label %cond_true |
| |
| cond_true: |
| %tmp5 = add i32 %b, 1 |
| ret i32 %tmp5 |
| |
| cond_false: |
| %tmp7 = add i32 %b, -1 |
| ret i32 %tmp7 |
| } |
| |
| define i32 @t2(i32 %a, i32 %b, i32 %c, i32 %d, i8** %retaddr) { |
| ; CHECK: t2: |
| ; CHECK: Block address taken |
| ; CHECK: %cond_true |
| ; CHECK: add |
| ; CHECK: bx lr |
| store i8* blockaddress(@t2, %cond_true), i8** %retaddr |
| %tmp2 = icmp sgt i32 %c, 10 |
| %tmp5 = icmp slt i32 %d, 4 |
| %tmp8 = and i1 %tmp5, %tmp2 |
| %tmp13 = add i32 %b, %a |
| br i1 %tmp8, label %cond_true, label %UnifiedReturnBlock |
| |
| cond_true: |
| %tmp15 = add i32 %tmp13, %c |
| %tmp1821 = sub i32 %tmp15, %d |
| ret i32 %tmp1821 |
| |
| UnifiedReturnBlock: |
| ret i32 %tmp13 |
| } |
| |
| define hidden fastcc void @t3(i8** %retaddr) { |
| ; CHECK: t3: |
| ; CHECK: Block address taken |
| ; CHECK-NOT: Address of block that was removed by CodeGen |
| bb: |
| store i8* blockaddress(@t3, %KBBlockZero_return_1), i8** %retaddr |
| br i1 undef, label %bb77, label %bb7.i |
| |
| bb7.i: ; preds = %bb35 |
| br label %bb2.i |
| |
| KBBlockZero_return_1: ; preds = %KBBlockZero.exit |
| unreachable |
| |
| KBBlockZero_return_0: ; preds = %KBBlockZero.exit |
| unreachable |
| |
| bb77: ; preds = %bb26, %bb12, %bb |
| ret void |
| |
| bb2.i: ; preds = %bb6.i350, %bb7.i |
| br i1 undef, label %bb6.i350, label %KBBlockZero.exit |
| |
| bb6.i350: ; preds = %bb2.i |
| br label %bb2.i |
| |
| KBBlockZero.exit: ; preds = %bb2.i |
| indirectbr i8* undef, [label %KBBlockZero_return_1, label %KBBlockZero_return_0] |
| } |
