Dan Gohman | fce288f | 2009-09-09 00:09:15 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -march=thumb -stats |& \ |
Evan Cheng | 9f76ed5 | 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 |