| Andrew Trick | 0ed5778 | 2011-04-23 03:55:32 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=thumb -mattr=+thumb2 -mattr=+32bit | FileCheck %s |
| David Goodwin | 911edef | 2009-06-29 22:25:22 +0000 | [diff] [blame] | 2 | |
| 3 | define i64 @f1(i64 %a, i64 %b) { |
| Evan Cheng | 1e6c2a1 | 2009-08-12 01:49:45 +0000 | [diff] [blame] | 4 | ; CHECK: f1: |
| Andrew Trick | 0ed5778 | 2011-04-23 03:55:32 +0000 | [diff] [blame] | 5 | ; CHECK: subs.w r0, r0, r2 |
| 6 | ; To test dead_carry, +32bit prevents sbc conveting to 16-bit sbcs |
| 7 | ; CHECK: sbc.w r1, r1, r3 |
| David Goodwin | 911edef | 2009-06-29 22:25:22 +0000 | [diff] [blame] | 8 | %tmp = sub i64 %a, %b |
| 9 | ret i64 %tmp |
| 10 | } |