llvm/test/CodeGen/SystemZ/vec-reduce-add-01.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; Test vector add reduction intrinsic
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z16 | FileCheck %s

; 1 vector length
declare i8 @llvm.vector.reduce.add.v16i8(<16 x i8> %a)
declare i16 @llvm.vector.reduce.add.v8i16(<8 x i16> %a)
declare i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %a)
declare i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %a)
declare i128 @llvm.vector.reduce.add.v1i128(<1 x i128> %a)
; 2 vector lengths
declare i8 @llvm.vector.reduce.add.v32i8(<32 x i8> %a)
declare i16 @llvm.vector.reduce.add.v16i16(<16 x i16> %a)
declare i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %a)
declare i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %a)
declare i128 @llvm.vector.reduce.add.v2i128(<2 x i128> %a)
; ; TODO
; ; 4 vector lengths
declare i8 @llvm.vector.reduce.add.v64i8(<64 x i8> %a)
declare i16 @llvm.vector.reduce.add.v32i16(<32 x i16> %a)
declare i32 @llvm.vector.reduce.add.v16i32(<16 x i32> %a)
declare i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %a)
declare i128 @llvm.vector.reduce.add.v4i128(<4 x i128> %a)
; ; Subvector lengths
declare i8 @llvm.vector.reduce.add.v8i8(<8 x i8> %a)
declare i16 @llvm.vector.reduce.add.v4i16(<4 x i16> %a)
declare i32 @llvm.vector.reduce.add.v2i32(<2 x i32> %a)
declare i64 @llvm.vector.reduce.add.v1i64(<1 x i64> %a)

define i8 @f1_1(<16 x i8> %a) {
; CHECK-LABEL: f1_1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vgbm %v0, 0
; CHECK-NEXT:    vsumb %v1, %v24, %v0
; CHECK-NEXT:    vsumqf %v0, %v1, %v0
; CHECK-NEXT:    vlgvf %r2, %v0, 3
; CHECK-NEXT:    # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT:    br %r14
  %redadd = call i8 @llvm.vector.reduce.add.v16i8(<16 x i8> %a)
  ret i8 %redadd
}

define i16 @f1_2(<8 x i16> %a) {
; CHECK-LABEL: f1_2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vgbm %v0, 0
; CHECK-NEXT:    vsumh %v1, %v24, %v0
; CHECK-NEXT:    vsumqf %v0, %v1, %v0
; CHECK-NEXT:    vlgvf %r2, %v0, 3
; CHECK-NEXT:    # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT:    br %r14
  %redadd = call i16 @llvm.vector.reduce.add.v8i16(<8 x i16> %a)
  ret i16 %redadd
}

define i32 @f1_3(<4 x i32> %a) {
; CHECK-LABEL: f1_3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vgbm %v0, 0
; CHECK-NEXT:    vsumqf %v0, %v24, %v0
; CHECK-NEXT:    vlgvf %r2, %v0, 3
; CHECK-NEXT:    # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT:    br %r14

  %redadd = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %a)
  ret i32 %redadd
}

define i64 @f1_4(<2 x i64> %a) {
; CHECK-LABEL: f1_4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vrepg %v0, %v24, 1
; CHECK-NEXT:    vag %v0, %v24, %v0
; CHECK-NEXT:    vlgvg %r2, %v0, 0
; CHECK-NEXT:    br %r14

  %redadd = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %a)
  ret i64 %redadd
}

define i128 @f1_5(<1 x i128> %a) {
; CHECK-LABEL: f1_5:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vst %v24, 0(%r2), 3
; CHECK-NEXT:    br %r14
  %redadd = call i128 @llvm.vector.reduce.add.v1i128(<1 x i128> %a)
  ret i128 %redadd
}

define i8 @f2_1(<32 x i8> %a) {
; CHECK-LABEL: f2_1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vab %v0, %v24, %v26
; CHECK-NEXT:    vgbm %v1, 0
; CHECK-NEXT:    vsumb %v0, %v0, %v1
; CHECK-NEXT:    vsumqf %v0, %v0, %v1
; CHECK-NEXT:    vlgvf %r2, %v0, 3
; CHECK-NEXT:    # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT:    br %r14
  %redadd = call i8 @llvm.vector.reduce.add.v32i8(<32 x i8> %a)
  ret i8 %redadd
}

define i16 @f2_2(<16 x i16> %a) {
; CHECK-LABEL: f2_2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vah %v0, %v24, %v26
; CHECK-NEXT:    vgbm %v1, 0
; CHECK-NEXT:    vsumh %v0, %v0, %v1
; CHECK-NEXT:    vsumqf %v0, %v0, %v1
; CHECK-NEXT:    vlgvf %r2, %v0, 3
; CHECK-NEXT:    # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT:    br %r14
  %redadd = call i16 @llvm.vector.reduce.add.v16i16(<16 x i16> %a)
  ret i16 %redadd
}

define i32 @f2_3(<8 x i32> %a) {
; CHECK-LABEL: f2_3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vaf %v0, %v24, %v26
; CHECK-NEXT:    vgbm %v1, 0
; CHECK-NEXT:    vsumqf %v0, %v0, %v1
; CHECK-NEXT:    vlgvf %r2, %v0, 3
; CHECK-NEXT:    # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT:    br %r14

  %redadd = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %a)
  ret i32 %redadd
}

define i64 @f2_4(<4 x i64> %a) {
; CHECK-LABEL: f2_4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vag %v0, %v24, %v26
; CHECK-NEXT:    vrepg %v1, %v0, 1
; CHECK-NEXT:    vag %v0, %v0, %v1
; CHECK-NEXT:    vlgvg %r2, %v0, 0
; CHECK-NEXT:    br %r14

  %redadd = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> %a)
  ret i64 %redadd
}

define i128 @f2_5(<2 x i128> %a) {
; CHECK-LABEL: f2_5:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vl %v0, 16(%r3), 3
; CHECK-NEXT:    vl %v1, 0(%r3), 3
; CHECK-NEXT:    vaq %v0, %v1, %v0
; CHECK-NEXT:    vst %v0, 0(%r2), 3
; CHECK-NEXT:    br %r14
  %redadd = call i128 @llvm.vector.reduce.add.v2i128(<2 x i128> %a)
  ret i128 %redadd
}

define i8 @f3_1(<64 x i8> %a) {
; CHECK-LABEL: f3_1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vab %v0, %v26, %v30
; CHECK-NEXT:    vab %v1, %v24, %v28
; CHECK-NEXT:    vab %v0, %v1, %v0
; CHECK-NEXT:    vgbm %v1, 0
; CHECK-NEXT:    vsumb %v0, %v0, %v1
; CHECK-NEXT:    vsumqf %v0, %v0, %v1
; CHECK-NEXT:    vlgvf %r2, %v0, 3
; CHECK-NEXT:    # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT:    br %r14
  %redadd = call i8 @llvm.vector.reduce.add.v64i8(<64 x i8> %a)
  ret i8 %redadd
}

define i16 @f3_2(<32 x i16> %a) {
; CHECK-LABEL: f3_2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vah %v0, %v26, %v30
; CHECK-NEXT:    vah %v1, %v24, %v28
; CHECK-NEXT:    vah %v0, %v1, %v0
; CHECK-NEXT:    vgbm %v1, 0
; CHECK-NEXT:    vsumh %v0, %v0, %v1
; CHECK-NEXT:    vsumqf %v0, %v0, %v1
; CHECK-NEXT:    vlgvf %r2, %v0, 3
; CHECK-NEXT:    # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT:    br %r14
  %redadd = call i16 @llvm.vector.reduce.add.v32i16(<32 x i16> %a)
  ret i16 %redadd
}

define i32 @f3_3(<16 x i32> %a) {
; CHECK-LABEL: f3_3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vaf %v0, %v26, %v30
; CHECK-NEXT:    vaf %v1, %v24, %v28
; CHECK-NEXT:    vaf %v0, %v1, %v0
; CHECK-NEXT:    vgbm %v1, 0
; CHECK-NEXT:    vsumqf %v0, %v0, %v1
; CHECK-NEXT:    vlgvf %r2, %v0, 3
; CHECK-NEXT:    # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT:    br %r14

  %redadd = call i32 @llvm.vector.reduce.add.v16i32(<16 x i32> %a)
  ret i32 %redadd
}

define i64 @f3_4(<8 x i64> %a) {
; CHECK-LABEL: f3_4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vag %v0, %v26, %v30
; CHECK-NEXT:    vag %v1, %v24, %v28
; CHECK-NEXT:    vag %v0, %v1, %v0
; CHECK-NEXT:    vrepg %v1, %v0, 1
; CHECK-NEXT:    vag %v0, %v0, %v1
; CHECK-NEXT:    vlgvg %r2, %v0, 0
; CHECK-NEXT:    br %r14

  %redadd = call i64 @llvm.vector.reduce.add.v8i64(<8 x i64> %a)
  ret i64 %redadd
}

define i128 @f3_5(<4 x i128> %a) {
; CHECK-LABEL: f3_5:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vl %v0, 32(%r3), 3
; CHECK-NEXT:    vl %v1, 0(%r3), 3
; CHECK-NEXT:    vl %v2, 48(%r3), 3
; CHECK-NEXT:    vl %v3, 16(%r3), 3
; CHECK-NEXT:    vaq %v2, %v3, %v2
; CHECK-NEXT:    vaq %v0, %v1, %v0
; CHECK-NEXT:    vaq %v0, %v0, %v2
; CHECK-NEXT:    vst %v0, 0(%r2), 3
; CHECK-NEXT:    br %r14
  %redadd = call i128 @llvm.vector.reduce.add.v4i128(<4 x i128> %a)
  ret i128 %redadd
}


define i8 @f4_1(<8 x i8> %a) {
; CHECK-LABEL: f4_1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vpkg %v0, %v24, %v24
; CHECK-NEXT:    vab %v0, %v24, %v0
; CHECK-NEXT:    vpkf %v1, %v0, %v0
; CHECK-NEXT:    vab %v0, %v0, %v1
; CHECK-NEXT:    vrepb %v1, %v0, 1
; CHECK-NEXT:    vab %v0, %v0, %v1
; CHECK-NEXT:    vlgvb %r2, %v0, 0
; CHECK-NEXT:    # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT:    br %r14
  %redadd = call i8 @llvm.vector.reduce.add.v8i8(<8 x i8> %a)
  ret i8 %redadd
}

define i16 @f4_2(<4 x i16> %a) {
; CHECK-LABEL: f4_2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vpkg %v0, %v24, %v24
; CHECK-NEXT:    vah %v0, %v24, %v0
; CHECK-NEXT:    vreph %v1, %v0, 1
; CHECK-NEXT:    vah %v0, %v0, %v1
; CHECK-NEXT:    vlgvh %r2, %v0, 0
; CHECK-NEXT:    # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT:    br %r14
  %redadd = call i16 @llvm.vector.reduce.add.v4i16(<4 x i16> %a)
  ret i16 %redadd
}

define i32 @f4_3(<2 x i32> %a) {
; CHECK-LABEL: f4_3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vrepf %v0, %v24, 1
; CHECK-NEXT:    vaf %v0, %v24, %v0
; CHECK-NEXT:    vlgvf %r2, %v0, 0
; CHECK-NEXT:    # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT:    br %r14

  %redadd = call i32 @llvm.vector.reduce.add.v2i32(<2 x i32> %a)
  ret i32 %redadd
}

define i64 @f4_4(<1 x i64> %a) {
; CHECK-LABEL: f4_4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vlgvg %r2, %v24, 0
; CHECK-NEXT:    br %r14

  %redadd = call i64 @llvm.vector.reduce.add.v1i64(<1 x i64> %a)
  ret i64 %redadd
}