TheRock/compiler/amd-llvm/llvm/test/CodeGen/SystemZ/int-cmp-64.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
; Test 128-bit comparisons in vector registers on z17
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z17 -verify-machineinstrs | FileCheck %s

; Equality comparison.
define i64 @f1(i128 %value1, i128 %value2, i64 %a, i64 %b) {
; CHECK-LABEL: f1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vl %v0, 0(%r3), 3
; CHECK-NEXT:    vl %v1, 0(%r2), 3
; CHECK-NEXT:    vecq %v1, %v0
; CHECK-NEXT:    selgre %r2, %r4, %r5
; CHECK-NEXT:    br %r14
  %cond = icmp eq i128 %value1, %value2
  %res = select i1 %cond, i64 %a, i64 %b
  ret i64 %res
}

; Inequality comparison.
define i64 @f2(i128 %value1, i128 %value2, i64 %a, i64 %b) {
; CHECK-LABEL: f2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vl %v0, 0(%r3), 3
; CHECK-NEXT:    vl %v1, 0(%r2), 3
; CHECK-NEXT:    vecq %v1, %v0
; CHECK-NEXT:    selgrlh %r2, %r4, %r5
; CHECK-NEXT:    br %r14
  %cond = icmp ne i128 %value1, %value2
  %res = select i1 %cond, i64 %a, i64 %b
  ret i64 %res
}

; Signed greater-than comparison.
define i64 @f3(i128 %value1, i128 %value2, i64 %a, i64 %b) {
; CHECK-LABEL: f3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vl %v0, 0(%r3), 3
; CHECK-NEXT:    vl %v1, 0(%r2), 3
; CHECK-NEXT:    vecq %v1, %v0
; CHECK-NEXT:    selgrh %r2, %r4, %r5
; CHECK-NEXT:    br %r14
  %cond = icmp sgt i128 %value1, %value2
  %res = select i1 %cond, i64 %a, i64 %b
  ret i64 %res
}

; Signed less-than comparison.
define i64 @f4(i128 %value1, i128 %value2, i64 %a, i64 %b) {
; CHECK-LABEL: f4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vl %v0, 0(%r3), 3
; CHECK-NEXT:    vl %v1, 0(%r2), 3
; CHECK-NEXT:    vecq %v1, %v0
; CHECK-NEXT:    selgrl %r2, %r4, %r5
; CHECK-NEXT:    br %r14
  %cond = icmp slt i128 %value1, %value2
  %res = select i1 %cond, i64 %a, i64 %b
  ret i64 %res
}

; Signed greater-or-equal comparison.
define i64 @f5(i128 %value1, i128 %value2, i64 %a, i64 %b) {
; CHECK-LABEL: f5:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vl %v0, 0(%r3), 3
; CHECK-NEXT:    vl %v1, 0(%r2), 3
; CHECK-NEXT:    vecq %v1, %v0
; CHECK-NEXT:    selgrhe %r2, %r4, %r5
; CHECK-NEXT:    br %r14
  %cond = icmp sge i128 %value1, %value2
  %res = select i1 %cond, i64 %a, i64 %b
  ret i64 %res
}

; Signed less-or-equal comparison.
define i64 @f6(i128 %value1, i128 %value2, i64 %a, i64 %b) {
; CHECK-LABEL: f6:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vl %v0, 0(%r3), 3
; CHECK-NEXT:    vl %v1, 0(%r2), 3
; CHECK-NEXT:    vecq %v1, %v0
; CHECK-NEXT:    selgrle %r2, %r4, %r5
; CHECK-NEXT:    br %r14
  %cond = icmp sle i128 %value1, %value2
  %res = select i1 %cond, i64 %a, i64 %b
  ret i64 %res
}

; Unsigned greater-than comparison.
define i64 @f7(i128 %value1, i128 %value2, i64 %a, i64 %b) {
; CHECK-LABEL: f7:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vl %v0, 0(%r3), 3
; CHECK-NEXT:    vl %v1, 0(%r2), 3
; CHECK-NEXT:    veclq %v1, %v0
; CHECK-NEXT:    selgrh %r2, %r4, %r5
; CHECK-NEXT:    br %r14
  %cond = icmp ugt i128 %value1, %value2
  %res = select i1 %cond, i64 %a, i64 %b
  ret i64 %res
}

; Unsigned less-than comparison.
define i64 @f8(i128 %value1, i128 %value2, i64 %a, i64 %b) {
; CHECK-LABEL: f8:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vl %v0, 0(%r3), 3
; CHECK-NEXT:    vl %v1, 0(%r2), 3
; CHECK-NEXT:    veclq %v1, %v0
; CHECK-NEXT:    selgrl %r2, %r4, %r5
; CHECK-NEXT:    br %r14
  %cond = icmp ult i128 %value1, %value2
  %res = select i1 %cond, i64 %a, i64 %b
  ret i64 %res
}

; Unsigned greater-or-equal comparison.
define i64 @f9(i128 %value1, i128 %value2, i64 %a, i64 %b) {
; CHECK-LABEL: f9:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vl %v0, 0(%r3), 3
; CHECK-NEXT:    vl %v1, 0(%r2), 3
; CHECK-NEXT:    veclq %v1, %v0
; CHECK-NEXT:    selgrhe %r2, %r4, %r5
; CHECK-NEXT:    br %r14
  %cond = icmp uge i128 %value1, %value2
  %res = select i1 %cond, i64 %a, i64 %b
  ret i64 %res
}

; Unsigned less-or-equal comparison.
define i64 @f10(i128 %value1, i128 %value2, i64 %a, i64 %b) {
; CHECK-LABEL: f10:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vl %v0, 0(%r3), 3
; CHECK-NEXT:    vl %v1, 0(%r2), 3
; CHECK-NEXT:    veclq %v1, %v0
; CHECK-NEXT:    selgrle %r2, %r4, %r5
; CHECK-NEXT:    br %r14
  %cond = icmp ule i128 %value1, %value2
  %res = select i1 %cond, i64 %a, i64 %b
  ret i64 %res
}

; Select between i128 values.
define i128 @f11(i64 %value1, i64 %value2, i128 %a, i128 %b) {
; CHECK-LABEL: f11:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vl %v0, 0(%r5), 3
; CHECK-NEXT:    cgrje %r3, %r4, .LBB10_2
; CHECK-NEXT:  # %bb.1:
; CHECK-NEXT:    vl %v1, 0(%r6), 3
; CHECK-NEXT:    vaq %v0, %v0, %v1
; CHECK-NEXT:  .LBB10_2:
; CHECK-NEXT:    vst %v0, 0(%r2), 3
; CHECK-NEXT:    br %r14
  %cond = icmp eq i64 %value1, %value2
  %sum = add i128 %a, %b
  %res = select i1 %cond, i128 %a, i128 %sum
  ret i128 %res
}