2009-09-09 08:09:15 +08:00
|
|
|
; RUN: llc < %s -march=ppc32 -stats |& \
|
2007-04-16 23:15:52 +08:00
|
|
|
; RUN: grep {4 .*Number of machine instrs printed}
|
2007-04-11 13:02:57 +08:00
|
|
|
|
|
|
|
;; Integer absolute value, should produce something as good as:
|
|
|
|
;; srawi r2, r3, 31
|
|
|
|
;; add r3, r3, r2
|
|
|
|
;; xor r3, r3, r2
|
|
|
|
;; blr
|
|
|
|
define i32 @test(i32 %a) {
|
|
|
|
%tmp1neg = sub i32 0, %a
|
|
|
|
%b = icmp sgt i32 %a, -1
|
|
|
|
%abs = select i1 %b, i32 %a, i32 %tmp1neg
|
|
|
|
ret i32 %abs
|
|
|
|
}
|
|
|
|
|