1 ; RUN: llc < %s -march=arm -mattr=+v4t | FileCheck %s 2 3 ;; Integer absolute value, should produce something as good as: ARM: 4 ;; add r3, r0, r0, asr #31 5 ;; eor r0, r3, r0, asr #31 6 ;; bx lr 7 8 define i32 @test(i32 %a) { 9 %tmp1neg = sub i32 0, %a 10 %b = icmp sgt i32 %a, -1 11 %abs = select i1 %b, i32 %a, i32 %tmp1neg 12 ret i32 %abs 13 ; CHECK: add r1, r0, r0, asr #31 14 ; CHECK: eor r0, r1, r0, asr #31 15 ; CHECK: bx lr 16 } 17
