1; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 | FileCheck %s 2; rdar://13782395 3 4define 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 12cond_true: 13 %tmp5 = add i32 %b, 1 14 ret i32 %tmp5 15 16cond_false: 17 %tmp7 = add i32 %b, -1 18 ret i32 %tmp7 19} 20 21define 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 34cond_true: 35 %tmp15 = add i32 %tmp13, %c 36 %tmp1821 = sub i32 %tmp15, %d 37 ret i32 %tmp1821 38 39UnifiedReturnBlock: 40 ret i32 %tmp13 41} 42 43define 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 47bb: 48 store i8* blockaddress(@t3, %KBBlockZero_return_1), i8** %retaddr 49 br i1 undef, label %bb77, label %bb7.i 50 51bb7.i: ; preds = %bb35 52 br label %bb2.i 53 54KBBlockZero_return_1: ; preds = %KBBlockZero.exit 55 unreachable 56 57KBBlockZero_return_0: ; preds = %KBBlockZero.exit 58 unreachable 59 60bb77: ; preds = %bb26, %bb12, %bb 61 ret void 62 63bb2.i: ; preds = %bb6.i350, %bb7.i 64 br i1 undef, label %bb6.i350, label %KBBlockZero.exit 65 66bb6.i350: ; preds = %bb2.i 67 br label %bb2.i 68 69KBBlockZero.exit: ; preds = %bb2.i 70 indirectbr i8* undef, [label %KBBlockZero_return_1, label %KBBlockZero_return_0] 71} 72