test/Transforms/InstCombine/icmp-or.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s

define i1 @set_low_bit_mask_eq(i8 %x) {
; CHECK-LABEL: @set_low_bit_mask_eq(
; CHECK-NEXT:    [[TMP1:%.*]] = and i8 [[X:%.*]], -2
; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i8 [[TMP1]], 18
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sub = or i8 %x, 1
  %cmp = icmp eq i8 %sub, 19
  ret i1 %cmp
}

define <2 x i1> @set_low_bit_mask_ne(<2 x i8> %x) {
; CHECK-LABEL: @set_low_bit_mask_ne(
; CHECK-NEXT:    [[TMP1:%.*]] = and <2 x i8> [[X:%.*]], <i8 -4, i8 -4>
; CHECK-NEXT:    [[CMP:%.*]] = icmp ne <2 x i8> [[TMP1]], <i8 16, i8 16>
; CHECK-NEXT:    ret <2 x i1> [[CMP]]
;
  %sub = or <2 x i8> %x, <i8 3, i8 3>
  %cmp = icmp ne <2 x i8> %sub, <i8 19, i8 19>
  ret <2 x i1> %cmp
}

define i1 @set_low_bit_mask_ugt(i8 %x) {
; CHECK-LABEL: @set_low_bit_mask_ugt(
; CHECK-NEXT:    [[CMP:%.*]] = icmp ugt i8 [[X:%.*]], 19
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sub = or i8 %x, 3
  %cmp = icmp ugt i8 %sub, 19
  ret i1 %cmp
}

define i1 @set_low_bit_mask_ult(i8 %x) {
; CHECK-LABEL: @set_low_bit_mask_ult(
; CHECK-NEXT:    [[SUB:%.*]] = or i8 [[X:%.*]], 3
; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i8 [[SUB]], 19
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sub = or i8 %x, 3
  %cmp = icmp ult i8 %sub, 19
  ret i1 %cmp
}

define i1 @set_low_bit_mask_uge(i8 %x) {
; CHECK-LABEL: @set_low_bit_mask_uge(
; CHECK-NEXT:    [[CMP:%.*]] = icmp ugt i8 [[X:%.*]], 19
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sub = or i8 %x, 3
  %cmp = icmp uge i8 %sub, 20
  ret i1 %cmp
}

define i1 @set_low_bit_mask_ule(i8 %x) {
; CHECK-LABEL: @set_low_bit_mask_ule(
; CHECK-NEXT:    [[SUB:%.*]] = or i8 [[X:%.*]], 3
; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i8 [[SUB]], 19
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sub = or i8 %x, 3
  %cmp = icmp ule i8 %sub, 18
  ret i1 %cmp
}

define i1 @set_low_bit_mask_sgt(i8 %x) {
; CHECK-LABEL: @set_low_bit_mask_sgt(
; CHECK-NEXT:    [[SUB:%.*]] = or i8 [[X:%.*]], 3
; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i8 [[SUB]], 20
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sub = or i8 %x, 3
  %cmp = icmp sgt i8 %sub, 20
  ret i1 %cmp
}

define i1 @set_low_bit_mask_slt(i8 %x) {
; CHECK-LABEL: @set_low_bit_mask_slt(
; CHECK-NEXT:    [[SUB:%.*]] = or i8 [[X:%.*]], 15
; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i8 [[SUB]], 19
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sub = or i8 %x, 15
  %cmp = icmp slt i8 %sub, 19
  ret i1 %cmp
}

define i1 @set_low_bit_mask_sge(i8 %x) {
; CHECK-LABEL: @set_low_bit_mask_sge(
; CHECK-NEXT:    [[SUB:%.*]] = or i8 [[X:%.*]], 31
; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i8 [[SUB]], 50
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sub = or i8 %x, 31
  %cmp = icmp sge i8 %sub, 51
  ret i1 %cmp
}

define i1 @set_low_bit_mask_sle(i8 %x) {
; CHECK-LABEL: @set_low_bit_mask_sle(
; CHECK-NEXT:    [[SUB:%.*]] = or i8 [[X:%.*]], 63
; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i8 [[SUB]], 69
; CHECK-NEXT:    ret i1 [[CMP]]
;
  %sub = or i8 %x, 63
  %cmp = icmp sle i8 %sub, 68
  ret i1 %cmp
}