2017-08-02 06:20:41 +08:00
|
|
|
; RUN: llc -verify-machineinstrs < %s -mattr=-vsx -mtriple=powerpc-apple-darwin | FileCheck %s
|
2007-09-11 05:16:23 +08:00
|
|
|
|
|
|
|
define double @fabs(double %f) {
|
2016-04-22 04:58:58 +08:00
|
|
|
; CHECK-LABEL: fabs:
|
2017-12-05 01:18:51 +08:00
|
|
|
; CHECK: ; %bb.0:
|
2016-04-22 04:58:58 +08:00
|
|
|
; CHECK-NEXT: fabs f1, f1
|
|
|
|
; CHECK-NEXT: blr
|
|
|
|
;
|
|
|
|
%t = tail call double @fabs( double %f ) readnone
|
|
|
|
ret double %t
|
2007-09-11 05:16:23 +08:00
|
|
|
}
|
2016-04-22 04:58:58 +08:00
|
|
|
|
|
|
|
define float @bitcast_fabs(float %x) {
|
|
|
|
; CHECK-LABEL: bitcast_fabs:
|
2017-12-05 01:18:51 +08:00
|
|
|
; CHECK: ; %bb.0:
|
2016-04-22 04:58:58 +08:00
|
|
|
; CHECK-NEXT: stfs f1, -8(r1)
|
|
|
|
; CHECK-NEXT: nop
|
|
|
|
; CHECK-NEXT: nop
|
|
|
|
; CHECK-NEXT: lwz r2, -8(r1)
|
|
|
|
; CHECK-NEXT: clrlwi r2, r2, 1
|
|
|
|
; CHECK-NEXT: stw r2, -4(r1)
|
|
|
|
; CHECK-NEXT: lfs f1, -4(r1)
|
|
|
|
; CHECK-NEXT: blr
|
|
|
|
;
|
|
|
|
%bc1 = bitcast float %x to i32
|
|
|
|
%and = and i32 %bc1, 2147483647
|
|
|
|
%bc2 = bitcast i32 %and to float
|
|
|
|
ret float %bc2
|
|
|
|
}
|
|
|
|
|