target datalayout = "e-p:64:64:64-p1:16:16:16-p2:32:32:32-p3:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
-; CHECK-LABEL: @exact_lshr_eq_both_zero
-; CHECK-NEXT: ret i1 true
-define i1 @exact_lshr_eq_both_zero(i8 %a) {
- %shr = lshr exact i8 0, %a
- %cmp = icmp eq i8 %shr, 0
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @exact_ashr_eq_both_zero
-; CHECK-NEXT: ret i1 true
-define i1 @exact_ashr_eq_both_zero(i8 %a) {
- %shr = ashr exact i8 0, %a
- %cmp = icmp eq i8 %shr, 0
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @nonexact_lshr_eq_both_zero
-; CHECK-NEXT: ret i1 true
-define i1 @nonexact_lshr_eq_both_zero(i8 %a) {
- %shr = lshr i8 0, %a
- %cmp = icmp eq i8 %shr, 0
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @nonexact_ashr_eq_both_zero
-; CHECK-NEXT: ret i1 true
-define i1 @nonexact_ashr_eq_both_zero(i8 %a) {
- %shr = ashr i8 0, %a
- %cmp = icmp eq i8 %shr, 0
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @exact_lshr_ne_both_zero
-; CHECK-NEXT: ret i1 false
-define i1 @exact_lshr_ne_both_zero(i8 %a) {
- %shr = lshr exact i8 0, %a
- %cmp = icmp ne i8 %shr, 0
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @exact_ashr_ne_both_zero
-; CHECK-NEXT: ret i1 false
-define i1 @exact_ashr_ne_both_zero(i8 %a) {
- %shr = ashr exact i8 0, %a
- %cmp = icmp ne i8 %shr, 0
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @nonexact_lshr_ne_both_zero
-; CHECK-NEXT: ret i1 false
-define i1 @nonexact_lshr_ne_both_zero(i8 %a) {
- %shr = lshr i8 0, %a
- %cmp = icmp ne i8 %shr, 0
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @nonexact_ashr_ne_both_zero
-; CHECK-NEXT: ret i1 false
-define i1 @nonexact_ashr_ne_both_zero(i8 %a) {
- %shr = ashr i8 0, %a
- %cmp = icmp ne i8 %shr, 0
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @exact_lshr_eq_last_zero
-; CHECK-NEXT: ret i1 false
-define i1 @exact_lshr_eq_last_zero(i8 %a) {
- %shr = lshr exact i8 128, %a
- %cmp = icmp eq i8 %shr, 0
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @exact_ashr_eq_last_zero
-; CHECK-NEXT: ret i1 false
-define i1 @exact_ashr_eq_last_zero(i8 %a) {
- %shr = ashr exact i8 -128, %a
- %cmp = icmp eq i8 %shr, 0
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @exact_lshr_ne_last_zero
-; CHECK-NEXT: ret i1 true
-define i1 @exact_lshr_ne_last_zero(i8 %a) {
- %shr = lshr exact i8 128, %a
- %cmp = icmp ne i8 %shr, 0
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @exact_ashr_ne_last_zero
-; CHECK-NEXT: ret i1 true
-define i1 @exact_ashr_ne_last_zero(i8 %a) {
- %shr = ashr exact i8 -128, %a
- %cmp = icmp ne i8 %shr, 0
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @nonexact_lshr_eq_last_zero
-; CHECK-NEXT: ret i1 false
-define i1 @nonexact_lshr_eq_last_zero(i8 %a) {
- %shr = lshr i8 128, %a
- %cmp = icmp eq i8 %shr, 0
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @nonexact_ashr_eq_last_zero
-; CHECK-NEXT: ret i1 false
-define i1 @nonexact_ashr_eq_last_zero(i8 %a) {
- %shr = ashr i8 -128, %a
- %cmp = icmp eq i8 %shr, 0
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @nonexact_lshr_ne_last_zero
-; CHECK-NEXT: ret i1 true
-define i1 @nonexact_lshr_ne_last_zero(i8 %a) {
- %shr = lshr i8 128, %a
- %cmp = icmp ne i8 %shr, 0
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @nonexact_ashr_ne_last_zero
-; CHECK-NEXT: ret i1 true
-define i1 @nonexact_ashr_ne_last_zero(i8 %a) {
- %shr = ashr i8 -128, %a
- %cmp = icmp ne i8 %shr, 0
- ret i1 %cmp
-}
-
; CHECK-LABEL: @lshr_eq_msb_low_last_zero
; CHECK-NEXT: icmp ugt i8 %a, 6
define i1 @lshr_eq_msb_low_last_zero(i8 %a) {
ret i1 %cmp
}
-; CHECK-LABEL: @lshr_eq_first_zero
-; CHECK-NEXT: ret i1 false
-define i1 @lshr_eq_first_zero(i8 %a) {
- %shr = lshr i8 0, %a
- %cmp = icmp eq i8 %shr, 2
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @ashr_eq_first_zero
-; CHECK-NEXT: ret i1 false
-define i1 @ashr_eq_first_zero(i8 %a) {
- %shr = ashr i8 0, %a
- %cmp = icmp eq i8 %shr, 2
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @lshr_ne_first_zero
-; CHECK-NEXT: ret i1 true
-define i1 @lshr_ne_first_zero(i8 %a) {
- %shr = lshr i8 0, %a
- %cmp = icmp ne i8 %shr, 2
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @ashr_ne_first_zero
-; CHECK-NEXT: ret i1 true
-define i1 @ashr_ne_first_zero(i8 %a) {
- %shr = ashr i8 0, %a
- %cmp = icmp ne i8 %shr, 2
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @ashr_eq_both_minus1
-; CHECK-NEXT: ret i1 true
-define i1 @ashr_eq_both_minus1(i8 %a) {
- %shr = ashr i8 -1, %a
- %cmp = icmp eq i8 %shr, -1
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @ashr_ne_both_minus1
-; CHECK-NEXT: ret i1 false
-define i1 @ashr_ne_both_minus1(i8 %a) {
- %shr = ashr i8 -1, %a
- %cmp = icmp ne i8 %shr, -1
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @exact_ashr_eq_both_minus1
-; CHECK-NEXT: ret i1 true
-define i1 @exact_ashr_eq_both_minus1(i8 %a) {
- %shr = ashr exact i8 -1, %a
- %cmp = icmp eq i8 %shr, -1
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @exact_ashr_ne_both_minus1
-; CHECK-NEXT: ret i1 false
-define i1 @exact_ashr_ne_both_minus1(i8 %a) {
- %shr = ashr exact i8 -1, %a
- %cmp = icmp ne i8 %shr, -1
- ret i1 %cmp
-}
-
; CHECK-LABEL: @ashr_eq_both_equal
; CHECK-NEXT: icmp eq i8 %a, 0
define i1 @ashr_eq_both_equal(i8 %a) {
ret i1 %cmp
}
-; CHECK-LABEL: @exact_ashr_eq_opposite_msb
-; CHECK-NEXT: ret i1 false
-define i1 @exact_ashr_eq_opposite_msb(i8 %a) {
- %shr = ashr exact i8 -128, %a
- %cmp = icmp eq i8 %shr, 1
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @ashr_eq_opposite_msb
-; CHECK-NEXT: ret i1 false
-define i1 @ashr_eq_opposite_msb(i8 %a) {
- %shr = ashr i8 -128, %a
- %cmp = icmp eq i8 %shr, 1
- ret i1 %cmp
-}
-
; CHECK-LABEL: @exact_lshr_eq_opposite_msb
; CHECK-NEXT: icmp eq i8 %a, 7
define i1 @exact_lshr_eq_opposite_msb(i8 %a) {
ret i1 %cmp
}
-; CHECK-LABEL: @exact_ashr_ne_opposite_msb
-; CHECK-NEXT: ret i1 true
-define i1 @exact_ashr_ne_opposite_msb(i8 %a) {
- %shr = ashr exact i8 -128, %a
- %cmp = icmp ne i8 %shr, 1
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @ashr_ne_opposite_msb
-; CHECK-NEXT: ret i1 true
-define i1 @ashr_ne_opposite_msb(i8 %a) {
- %shr = ashr i8 -128, %a
- %cmp = icmp ne i8 %shr, 1
- ret i1 %cmp
-}
-
; CHECK-LABEL: @exact_lshr_ne_opposite_msb
; CHECK-NEXT: icmp ne i8 %a, 7
define i1 @exact_lshr_ne_opposite_msb(i8 %a) {
ret i1 %cmp
}
-; CHECK-LABEL: @exact_ashr_eq_shift_gt
-; CHECK-NEXT : ret i1 false
-define i1 @exact_ashr_eq_shift_gt(i8 %a) {
- %shr = ashr exact i8 -2, %a
- %cmp = icmp eq i8 %shr, -8
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @exact_ashr_ne_shift_gt
-; CHECK-NEXT : ret i1 true
-define i1 @exact_ashr_ne_shift_gt(i8 %a) {
- %shr = ashr exact i8 -2, %a
- %cmp = icmp ne i8 %shr, -8
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @nonexact_ashr_eq_shift_gt
-; CHECK-NEXT : ret i1 false
-define i1 @nonexact_ashr_eq_shift_gt(i8 %a) {
- %shr = ashr i8 -2, %a
- %cmp = icmp eq i8 %shr, -8
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @nonexact_ashr_ne_shift_gt
-; CHECK-NEXT : ret i1 true
-define i1 @nonexact_ashr_ne_shift_gt(i8 %a) {
- %shr = ashr i8 -2, %a
- %cmp = icmp ne i8 %shr, -8
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @exact_lshr_eq_shift_gt
-; CHECK-NEXT: ret i1 false
-define i1 @exact_lshr_eq_shift_gt(i8 %a) {
- %shr = lshr exact i8 2, %a
- %cmp = icmp eq i8 %shr, 8
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @exact_lshr_ne_shift_gt
-; CHECK-NEXT: ret i1 true
-define i1 @exact_lshr_ne_shift_gt(i8 %a) {
- %shr = lshr exact i8 2, %a
- %cmp = icmp ne i8 %shr, 8
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @nonexact_lshr_eq_shift_gt
-; CHECK-NEXT : ret i1 false
-define i1 @nonexact_lshr_eq_shift_gt(i8 %a) {
- %shr = lshr i8 2, %a
- %cmp = icmp eq i8 %shr, 8
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @nonexact_lshr_ne_shift_gt
-; CHECK-NEXT : ret i1 true
-define i1 @nonexact_lshr_ne_shift_gt(i8 %a) {
- %shr = ashr i8 2, %a
- %cmp = icmp ne i8 %shr, 8
- ret i1 %cmp
-}
-
; CHECK-LABEL: @exact_ashr_eq
; CHECK-NEXT: icmp eq i8 %a, 7
define i1 @exact_ashr_eq(i8 %a) {
ret i1 %cmp
}
-; CHECK-LABEL: @exact_lshr_eq_noexactlog
-; CHECK-NEXT: ret i1 false
-define i1 @exact_lshr_eq_noexactlog(i8 %a) {
- %shr = lshr exact i8 90, %a
- %cmp = icmp eq i8 %shr, 30
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @exact_lshr_ne_noexactlog
-; CHECK-NEXT: ret i1 true
-define i1 @exact_lshr_ne_noexactlog(i8 %a) {
- %shr = lshr exact i8 90, %a
- %cmp = icmp ne i8 %shr, 30
- ret i1 %cmp
-}
-
; CHECK-LABEL: @nonexact_lshr_eq_noexactlog
; CHECK-NEXT: ret i1 false
define i1 @nonexact_lshr_eq_noexactlog(i8 %a) {
ret i1 %cmp
}
-; CHECK-LABEL: @exact_ashr_eq_noexactlog
-; CHECK-NEXT: ret i1 false
-define i1 @exact_ashr_eq_noexactlog(i8 %a) {
- %shr = ashr exact i8 -90, %a
- %cmp = icmp eq i8 %shr, -30
- ret i1 %cmp
-}
-
-; CHECK-LABEL: @exact_ashr_ne_noexactlog
-; CHECK-NEXT: ret i1 true
-define i1 @exact_ashr_ne_noexactlog(i8 %a) {
- %shr = ashr exact i8 -90, %a
- %cmp = icmp ne i8 %shr, -30
- ret i1 %cmp
-}
-
; CHECK-LABEL: @nonexact_ashr_eq_noexactlog
; CHECK-NEXT: ret i1 false
define i1 @nonexact_ashr_eq_noexactlog(i8 %a) {