llvm-6502/test/CodeGen/ARM/iabs.ll

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; RUN: llc < %s -march=arm | FileCheck %s
;; Integer absolute value, should produce something as good as: ARM:
;; add r3, r0, r0, asr #31
;; eor r0, r3, r0, asr #31
;; 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: add r1, r0, r0, asr #31
; CHECK: eor r0, r1, r0, asr #31
; CHECK: bx lr
}