1; RUN: llc < %s -mtriple=arm64-eabi -aarch64-neon-syntax=apple | FileCheck %s 2 3define i8 @test_i8(i8 %a) nounwind { 4; CHECK-LABEL: test_i8: 5; CHECK: // %bb.0: 6; CHECK-NEXT: sxtb w8, w0 7; CHECK-NEXT: cmp w8, #0 8; CHECK-NEXT: cneg w0, w8, mi 9; CHECK-NEXT: ret 10 %tmp1neg = sub i8 0, %a 11 %b = icmp sgt i8 %a, -1 12 %abs = select i1 %b, i8 %a, i8 %tmp1neg 13 ret i8 %abs 14} 15 16define i16 @test_i16(i16 %a) nounwind { 17; CHECK-LABEL: test_i16: 18; CHECK: // %bb.0: 19; CHECK-NEXT: sxth w8, w0 20; CHECK-NEXT: cmp w8, #0 21; CHECK-NEXT: cneg w0, w8, mi 22; CHECK-NEXT: ret 23 %tmp1neg = sub i16 0, %a 24 %b = icmp sgt i16 %a, -1 25 %abs = select i1 %b, i16 %a, i16 %tmp1neg 26 ret i16 %abs 27} 28 29define i32 @test_i32(i32 %a) nounwind { 30; CHECK-LABEL: test_i32: 31; CHECK: // %bb.0: 32; CHECK-NEXT: cmp w0, #0 33; CHECK-NEXT: cneg w0, w0, mi 34; CHECK-NEXT: ret 35 %tmp1neg = sub i32 0, %a 36 %b = icmp sgt i32 %a, -1 37 %abs = select i1 %b, i32 %a, i32 %tmp1neg 38 ret i32 %abs 39} 40 41define i64 @test_i64(i64 %a) nounwind { 42; CHECK-LABEL: test_i64: 43; CHECK: // %bb.0: 44; CHECK-NEXT: cmp x0, #0 45; CHECK-NEXT: cneg x0, x0, mi 46; CHECK-NEXT: ret 47 %tmp1neg = sub i64 0, %a 48 %b = icmp sgt i64 %a, -1 49 %abs = select i1 %b, i64 %a, i64 %tmp1neg 50 ret i64 %abs 51} 52 53