| ; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s | |
| define i64 @f1(i64 %a, i64 %b) { | |
| entry: | |
| ; CHECK: f1: | |
| ; CHECK: subs r0, r0, r2 | |
| ; CHECK: sbcs r1, r3 | |
| %tmp = sub i64 %a, %b | |
| ret i64 %tmp | |
| } | |
| define i64 @f2(i64 %a, i64 %b) { | |
| entry: | |
| ; CHECK: f2: | |
| ; CHECK: adds r0, r0, r0 | |
| ; CHECK: adcs r1, r1 | |
| ; CHECK: subs r0, r0, r2 | |
| ; CHECK: sbcs r1, r3 | |
| %tmp1 = shl i64 %a, 1 | |
| %tmp2 = sub i64 %tmp1, %b | |
| ret i64 %tmp2 | |
| } |