1; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
2
3define i64 @f1(i64 %a, i64 %b) {
4entry:
5; CHECK-LABEL: f1:
6; CHECK: subs r0, r0, r2
7; CHECK: sbcs r1, r3
8	%tmp = sub i64 %a, %b
9	ret i64 %tmp
10}
11
12define i64 @f2(i64 %a, i64 %b) {
13entry:
14; CHECK-LABEL: f2:
15; CHECK: adds r0, r0, r0
16; CHECK: adcs r1, r1
17; CHECK: subs r0, r0, r2
18; CHECK: sbcs r1, r3
19        %tmp1 = shl i64 %a, 1
20	%tmp2 = sub i64 %tmp1, %b
21	ret i64 %tmp2
22}
23
24; rdar://12559385
25define i64 @f3(i32 %vi) {
26entry:
27; CHECK-LABEL: f3:
28; CHECK: movw [[REG:r[0-9]+]], #36102
29; CHECK: sbcs r{{[0-9]+}}, [[REG]]
30    %v0 = zext i32 %vi to i64
31    %v1 = xor i64 %v0, -155057456198619
32    %v4 = add i64 %v1, 155057456198619
33    %v5 = add i64 %v4, %v1
34    ret i64 %v5
35}
36