test/CodeGen/X86/expand-large-div-rem-sdiv129.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -mtriple=x86_64-- -expand-large-div-rem -expand-div-rem-bits 128 < %s | FileCheck %s

define void @sdiv129(ptr %ptr, ptr %out) nounwind {
; CHECK-LABEL: @sdiv129(
; CHECK-NEXT:  _udiv-special-cases:
; CHECK-NEXT:    [[A:%.*]] = load i129, ptr [[PTR:%.*]], align 4
; CHECK-NEXT:    [[TMP0:%.*]] = freeze i129 [[A]]
; CHECK-NEXT:    [[TMP1:%.*]] = freeze i129 3
; CHECK-NEXT:    [[TMP2:%.*]] = ashr i129 [[TMP0]], 128
; CHECK-NEXT:    [[TMP3:%.*]] = ashr i129 [[TMP1]], 128
; CHECK-NEXT:    [[TMP4:%.*]] = xor i129 [[TMP2]], [[TMP0]]
; CHECK-NEXT:    [[TMP5:%.*]] = sub i129 [[TMP4]], [[TMP2]]
; CHECK-NEXT:    [[TMP6:%.*]] = xor i129 [[TMP3]], [[TMP1]]
; CHECK-NEXT:    [[TMP7:%.*]] = sub i129 [[TMP6]], [[TMP3]]
; CHECK-NEXT:    [[TMP8:%.*]] = xor i129 [[TMP3]], [[TMP2]]
; CHECK-NEXT:    [[TMP9:%.*]] = freeze i129 [[TMP7]]
; CHECK-NEXT:    [[TMP10:%.*]] = freeze i129 [[TMP5]]
; CHECK-NEXT:    [[TMP11:%.*]] = icmp eq i129 [[TMP9]], 0
; CHECK-NEXT:    [[TMP12:%.*]] = icmp eq i129 [[TMP10]], 0
; CHECK-NEXT:    [[TMP13:%.*]] = or i1 [[TMP11]], [[TMP12]]
; CHECK-NEXT:    [[TMP14:%.*]] = call i129 @llvm.ctlz.i129(i129 [[TMP9]], i1 true)
; CHECK-NEXT:    [[TMP15:%.*]] = call i129 @llvm.ctlz.i129(i129 [[TMP10]], i1 true)
; CHECK-NEXT:    [[TMP16:%.*]] = sub i129 [[TMP14]], [[TMP15]]
; CHECK-NEXT:    [[TMP17:%.*]] = icmp ugt i129 [[TMP16]], 128
; CHECK-NEXT:    [[TMP18:%.*]] = select i1 [[TMP13]], i1 true, i1 [[TMP17]]
; CHECK-NEXT:    [[TMP19:%.*]] = icmp eq i129 [[TMP16]], 128
; CHECK-NEXT:    [[TMP20:%.*]] = select i1 [[TMP18]], i129 0, i129 [[TMP10]]
; CHECK-NEXT:    [[TMP21:%.*]] = select i1 [[TMP18]], i1 true, i1 [[TMP19]]
; CHECK-NEXT:    br i1 [[TMP21]], label [[UDIV_END:%.*]], label [[UDIV_BB1:%.*]]
; CHECK:       udiv-loop-exit:
; CHECK-NEXT:    [[TMP22:%.*]] = phi i129 [ 0, [[UDIV_BB1]] ], [ [[TMP37:%.*]], [[UDIV_DO_WHILE:%.*]] ]
; CHECK-NEXT:    [[TMP23:%.*]] = phi i129 [ [[TMP46:%.*]], [[UDIV_BB1]] ], [ [[TMP34:%.*]], [[UDIV_DO_WHILE]] ]
; CHECK-NEXT:    [[TMP24:%.*]] = shl i129 [[TMP23]], 1
; CHECK-NEXT:    [[TMP25:%.*]] = or i129 [[TMP22]], [[TMP24]]
; CHECK-NEXT:    br label [[UDIV_END]]
; CHECK:       udiv-do-while:
; CHECK-NEXT:    [[TMP26:%.*]] = phi i129 [ 0, [[UDIV_PREHEADER:%.*]] ], [ [[TMP37]], [[UDIV_DO_WHILE]] ]
; CHECK-NEXT:    [[TMP27:%.*]] = phi i129 [ [[TMP44:%.*]], [[UDIV_PREHEADER]] ], [ [[TMP40:%.*]], [[UDIV_DO_WHILE]] ]
; CHECK-NEXT:    [[TMP28:%.*]] = phi i129 [ [[TMP42:%.*]], [[UDIV_PREHEADER]] ], [ [[TMP39:%.*]], [[UDIV_DO_WHILE]] ]
; CHECK-NEXT:    [[TMP29:%.*]] = phi i129 [ [[TMP46]], [[UDIV_PREHEADER]] ], [ [[TMP34]], [[UDIV_DO_WHILE]] ]
; CHECK-NEXT:    [[TMP30:%.*]] = shl i129 [[TMP28]], 1
; CHECK-NEXT:    [[TMP31:%.*]] = lshr i129 [[TMP29]], 128
; CHECK-NEXT:    [[TMP32:%.*]] = or i129 [[TMP30]], [[TMP31]]
; CHECK-NEXT:    [[TMP33:%.*]] = shl i129 [[TMP29]], 1
; CHECK-NEXT:    [[TMP34]] = or i129 [[TMP26]], [[TMP33]]
; CHECK-NEXT:    [[TMP35:%.*]] = sub i129 [[TMP43:%.*]], [[TMP32]]
; CHECK-NEXT:    [[TMP36:%.*]] = ashr i129 [[TMP35]], 128
; CHECK-NEXT:    [[TMP37]] = and i129 [[TMP36]], 1
; CHECK-NEXT:    [[TMP38:%.*]] = and i129 [[TMP36]], [[TMP9]]
; CHECK-NEXT:    [[TMP39]] = sub i129 [[TMP32]], [[TMP38]]
; CHECK-NEXT:    [[TMP40]] = add i129 [[TMP27]], -1
; CHECK-NEXT:    [[TMP41:%.*]] = icmp eq i129 [[TMP40]], 0
; CHECK-NEXT:    br i1 [[TMP41]], label [[UDIV_LOOP_EXIT:%.*]], label [[UDIV_DO_WHILE]]
; CHECK:       udiv-preheader:
; CHECK-NEXT:    [[TMP42]] = lshr i129 [[TMP10]], [[TMP44]]
; CHECK-NEXT:    [[TMP43]] = add i129 [[TMP9]], -1
; CHECK-NEXT:    br label [[UDIV_DO_WHILE]]
; CHECK:       udiv-bb1:
; CHECK-NEXT:    [[TMP44]] = add i129 [[TMP16]], 1
; CHECK-NEXT:    [[TMP45:%.*]] = sub i129 128, [[TMP16]]
; CHECK-NEXT:    [[TMP46]] = shl i129 [[TMP10]], [[TMP45]]
; CHECK-NEXT:    [[TMP47:%.*]] = icmp eq i129 [[TMP44]], 0
; CHECK-NEXT:    br i1 [[TMP47]], label [[UDIV_LOOP_EXIT]], label [[UDIV_PREHEADER]]
; CHECK:       udiv-end:
; CHECK-NEXT:    [[TMP48:%.*]] = phi i129 [ [[TMP25]], [[UDIV_LOOP_EXIT]] ], [ [[TMP20]], [[_UDIV_SPECIAL_CASES:%.*]] ]
; CHECK-NEXT:    [[TMP49:%.*]] = xor i129 [[TMP48]], [[TMP8]]
; CHECK-NEXT:    [[TMP50:%.*]] = sub i129 [[TMP49]], [[TMP8]]
; CHECK-NEXT:    store i129 [[TMP50]], ptr [[OUT:%.*]], align 4
; CHECK-NEXT:    ret void
;
  %a = load i129, ptr %ptr
  %res = sdiv i129 %a, 3
  store i129 %res, ptr %out
  ret void
}