| Dan Gohman | c8054d9 | 2009-09-09 00:09:15 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=thumb -stats |& \ |
| Evan Cheng | d76d0aa | 2009-06-24 06:36:07 +0000 | [diff] [blame] | 2 | ; RUN: grep {4 .*Number of machine instrs printed} |
| 3 | |||||
| 4 | ;; Integer absolute value, should produce something as good as: | ||||
| 5 | ;; Thumb: | ||||
| 6 | ;; asr r2, r0, #31 | ||||
| 7 | ;; add r0, r0, r2 | ||||
| 8 | ;; eor r0, r2 | ||||
| 9 | ;; bx lr | ||||
| 10 | |||||
| 11 | define i32 @test(i32 %a) { | ||||
| 12 | %tmp1neg = sub i32 0, %a | ||||
| 13 | %b = icmp sgt i32 %a, -1 | ||||
| 14 | %abs = select i1 %b, i32 %a, i32 %tmp1neg | ||||
| 15 | ret i32 %abs | ||||
| 16 | } | ||||
| 17 | |||||