diff --git a/test/CodeGen/ARM/2013-05-05-IfConvertBug.ll b/test/CodeGen/ARM/2013-05-05-IfConvertBug.ll new file mode 100644 index 00000000000..abc6e0d1114 --- /dev/null +++ b/test/CodeGen/ARM/2013-05-05-IfConvertBug.ll @@ -0,0 +1,71 @@ +; 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] +}