1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -mtriple=thumb-eabi %s -verify-machineinstrs -o - | FileCheck %s --check-prefix=THUMB 3; RUN: llc -mtriple=thumbv6-eabi %s -verify-machineinstrs -o - | FileCheck %s --check-prefix=THUMBV6 4 5; The scheduler used to ignore OptionalDefs, and could unwittingly insert 6; a flag-setting instruction in between an ADDS and the corresponding ADC. 7 8; FIXME: The ABS lowering changed to XOR followed by SUB so this may no longer 9; be testing what it used to. 10 11define i1 @test(i64 %arg) { 12; THUMB-LABEL: test: 13; THUMB: @ %bb.0: @ %entry 14; THUMB-NEXT: .save {r4, lr} 15; THUMB-NEXT: push {r4, lr} 16; THUMB-NEXT: asrs r2, r1, #31 17; THUMB-NEXT: movs r3, r1 18; THUMB-NEXT: eors r3, r2 19; THUMB-NEXT: movs r4, r0 20; THUMB-NEXT: eors r4, r2 21; THUMB-NEXT: subs r4, r4, r2 22; THUMB-NEXT: sbcs r3, r2 23; THUMB-NEXT: eors r3, r1 24; THUMB-NEXT: eors r0, r4 25; THUMB-NEXT: orrs r0, r3 26; THUMB-NEXT: rsbs r1, r0, #0 27; THUMB-NEXT: adcs r0, r1 28; THUMB-NEXT: pop {r4} 29; THUMB-NEXT: pop {r1} 30; THUMB-NEXT: bx r1 31; 32; THUMBV6-LABEL: test: 33; THUMBV6: @ %bb.0: @ %entry 34; THUMBV6-NEXT: .save {r4, lr} 35; THUMBV6-NEXT: push {r4, lr} 36; THUMBV6-NEXT: asrs r2, r1, #31 37; THUMBV6-NEXT: mov r3, r1 38; THUMBV6-NEXT: eors r3, r2 39; THUMBV6-NEXT: mov r4, r0 40; THUMBV6-NEXT: eors r4, r2 41; THUMBV6-NEXT: subs r4, r4, r2 42; THUMBV6-NEXT: sbcs r3, r2 43; THUMBV6-NEXT: eors r3, r1 44; THUMBV6-NEXT: eors r0, r4 45; THUMBV6-NEXT: orrs r0, r3 46; THUMBV6-NEXT: rsbs r1, r0, #0 47; THUMBV6-NEXT: adcs r0, r1 48; THUMBV6-NEXT: pop {r4, pc} 49entry: 50 %ispos = icmp sgt i64 %arg, -1 51 %neg = sub i64 0, %arg 52 %sel = select i1 %ispos, i64 %arg, i64 %neg 53 %cmp2 = icmp eq i64 %sel, %arg 54 ret i1 %cmp2 55} 56