133 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=aarch64-- | FileCheck %s --check-prefixes=CHECK,CHECK-SD3; RUN: llc < %s -mtriple=aarch64-- -global-isel | FileCheck %s --check-prefixes=CHECK,CHECK-GI4 5define i32 @func(i32 %x, i32 %y) nounwind {6; CHECK-SD-LABEL: func:7; CHECK-SD: // %bb.0:8; CHECK-SD-NEXT: adds w8, w0, w19; CHECK-SD-NEXT: asr w9, w8, #3110; CHECK-SD-NEXT: eor w9, w9, #0x8000000011; CHECK-SD-NEXT: csel w0, w9, w8, vs12; CHECK-SD-NEXT: ret13;14; CHECK-GI-LABEL: func:15; CHECK-GI: // %bb.0:16; CHECK-GI-NEXT: mov w8, #-2147483648 // =0x8000000017; CHECK-GI-NEXT: adds w9, w0, w118; CHECK-GI-NEXT: cset w10, vs19; CHECK-GI-NEXT: add w8, w8, w9, asr #3120; CHECK-GI-NEXT: tst w10, #0x121; CHECK-GI-NEXT: csel w0, w8, w9, ne22; CHECK-GI-NEXT: ret23 %tmp = call i32 @llvm.sadd.sat.i32(i32 %x, i32 %y);24 ret i32 %tmp;25}26 27define i64 @func2(i64 %x, i64 %y) nounwind {28; CHECK-SD-LABEL: func2:29; CHECK-SD: // %bb.0:30; CHECK-SD-NEXT: adds x8, x0, x131; CHECK-SD-NEXT: asr x9, x8, #6332; CHECK-SD-NEXT: eor x9, x9, #0x800000000000000033; CHECK-SD-NEXT: csel x0, x9, x8, vs34; CHECK-SD-NEXT: ret35;36; CHECK-GI-LABEL: func2:37; CHECK-GI: // %bb.0:38; CHECK-GI-NEXT: mov x8, #-9223372036854775808 // =0x800000000000000039; CHECK-GI-NEXT: adds x9, x0, x140; CHECK-GI-NEXT: cset w10, vs41; CHECK-GI-NEXT: add x8, x8, x9, asr #6342; CHECK-GI-NEXT: tst w10, #0x143; CHECK-GI-NEXT: csel x0, x8, x9, ne44; CHECK-GI-NEXT: ret45 %tmp = call i64 @llvm.sadd.sat.i64(i64 %x, i64 %y);46 ret i64 %tmp;47}48 49define i16 @func16(i16 %x, i16 %y) nounwind {50; CHECK-SD-LABEL: func16:51; CHECK-SD: // %bb.0:52; CHECK-SD-NEXT: sxth w8, w053; CHECK-SD-NEXT: mov w9, #32767 // =0x7fff54; CHECK-SD-NEXT: add w8, w8, w1, sxth55; CHECK-SD-NEXT: cmp w8, w956; CHECK-SD-NEXT: csel w8, w8, w9, lt57; CHECK-SD-NEXT: mov w9, #-32768 // =0xffff800058; CHECK-SD-NEXT: cmn w8, #8, lsl #12 // =3276859; CHECK-SD-NEXT: csel w0, w8, w9, gt60; CHECK-SD-NEXT: ret61;62; CHECK-GI-LABEL: func16:63; CHECK-GI: // %bb.0:64; CHECK-GI-NEXT: sxth w8, w165; CHECK-GI-NEXT: add w8, w8, w0, sxth66; CHECK-GI-NEXT: sxth w9, w867; CHECK-GI-NEXT: sbfx w10, w8, #15, #168; CHECK-GI-NEXT: sub w10, w10, #8, lsl #12 // =3276869; CHECK-GI-NEXT: cmp w8, w970; CHECK-GI-NEXT: csel w0, w10, w8, ne71; CHECK-GI-NEXT: ret72 %tmp = call i16 @llvm.sadd.sat.i16(i16 %x, i16 %y);73 ret i16 %tmp;74}75 76define i8 @func8(i8 %x, i8 %y) nounwind {77; CHECK-SD-LABEL: func8:78; CHECK-SD: // %bb.0:79; CHECK-SD-NEXT: sxtb w9, w080; CHECK-SD-NEXT: mov w8, #127 // =0x7f81; CHECK-SD-NEXT: add w9, w9, w1, sxtb82; CHECK-SD-NEXT: cmp w9, #12783; CHECK-SD-NEXT: csel w8, w9, w8, lt84; CHECK-SD-NEXT: mov w9, #-128 // =0xffffff8085; CHECK-SD-NEXT: cmn w8, #12886; CHECK-SD-NEXT: csel w0, w8, w9, gt87; CHECK-SD-NEXT: ret88;89; CHECK-GI-LABEL: func8:90; CHECK-GI: // %bb.0:91; CHECK-GI-NEXT: sxtb w8, w192; CHECK-GI-NEXT: add w8, w8, w0, sxtb93; CHECK-GI-NEXT: sxtb w9, w894; CHECK-GI-NEXT: sbfx w10, w8, #7, #195; CHECK-GI-NEXT: sub w10, w10, #12896; CHECK-GI-NEXT: cmp w8, w997; CHECK-GI-NEXT: csel w0, w10, w8, ne98; CHECK-GI-NEXT: ret99 %tmp = call i8 @llvm.sadd.sat.i8(i8 %x, i8 %y);100 ret i8 %tmp;101}102 103define i4 @func3(i4 %x, i4 %y) nounwind {104; CHECK-SD-LABEL: func3:105; CHECK-SD: // %bb.0:106; CHECK-SD-NEXT: lsl w9, w1, #28107; CHECK-SD-NEXT: sbfx w10, w0, #0, #4108; CHECK-SD-NEXT: mov w8, #7 // =0x7109; CHECK-SD-NEXT: add w9, w10, w9, asr #28110; CHECK-SD-NEXT: cmp w9, #7111; CHECK-SD-NEXT: csel w8, w9, w8, lt112; CHECK-SD-NEXT: mov w9, #-8 // =0xfffffff8113; CHECK-SD-NEXT: cmn w8, #8114; CHECK-SD-NEXT: csel w0, w8, w9, gt115; CHECK-SD-NEXT: ret116;117; CHECK-GI-LABEL: func3:118; CHECK-GI: // %bb.0:119; CHECK-GI-NEXT: sbfx w8, w0, #0, #4120; CHECK-GI-NEXT: sbfx w9, w1, #0, #4121; CHECK-GI-NEXT: add w8, w8, w9122; CHECK-GI-NEXT: sbfx w9, w8, #0, #4123; CHECK-GI-NEXT: asr w10, w9, #3124; CHECK-GI-NEXT: cmp w8, w9125; CHECK-GI-NEXT: add w10, w10, #8126; CHECK-GI-NEXT: csel w0, w10, w8, ne127; CHECK-GI-NEXT: ret128 %tmp = call i4 @llvm.sadd.sat.i4(i4 %x, i4 %y);129 ret i4 %tmp;130}131;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:132; CHECK: {{.*}}133