17 lines
406 B
LLVM
17 lines
406 B
LLVM
; RUN: llc < %s -march=arm -mattr=+v4t | FileCheck %s
|
|
|
|
;; Integer absolute value, should produce something as good as: ARM:
|
|
;; movs r0, r0
|
|
;; rsbmi r0, r0, #0
|
|
;; bx lr
|
|
|
|
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
|
|
; CHECK: movs r0, r0
|
|
; CHECK: rsbmi r0, r0, #0
|
|
; CHECK: bx lr
|
|
}
|