| ; RUN: llc < %s -march=thumb -mattr=+thumb2 -mattr=+32bit | FileCheck %s | |
| define i64 @f1(i64 %a, i64 %b) { | |
| ; CHECK: f1: | |
| ; CHECK: subs.w r0, r0, r2 | |
| ; To test dead_carry, +32bit prevents sbc conveting to 16-bit sbcs | |
| ; CHECK: sbc.w r1, r1, r3 | |
| %tmp = sub i64 %a, %b | |
| ret i64 %tmp | |
| } |