blob: 52633125048a9de7338aa4cafa29576fb9ab6e67 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
; NOTE: Assertions have been autogenerated by update_test_checks.py
; This test case checks that the merge of and/xor can work on arbitrary
; precision integers.
; RUN: opt < %s -instcombine -S | FileCheck %s
; (x &z ) ^ (y & z) -> (x ^ y) & z
define i57 @test1(i57 %x, i57 %y, i57 %z) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[TMP61:%.*]] = xor i57 %x, %y
; CHECK-NEXT: [[TMP7:%.*]] = and i57 [[TMP61]], %z
; CHECK-NEXT: ret i57 [[TMP7]]
;
%tmp3 = and i57 %z, %x
%tmp6 = and i57 %z, %y
%tmp7 = xor i57 %tmp3, %tmp6
ret i57 %tmp7
}
; (x & y) ^ (x | y) -> x ^ y
define i23 @test2(i23 %x, i23 %y, i23 %z) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: [[TMP7:%.*]] = xor i23 %y, %x
; CHECK-NEXT: ret i23 [[TMP7]]
;
%tmp3 = and i23 %y, %x
%tmp6 = or i23 %y, %x
%tmp7 = xor i23 %tmp3, %tmp6
ret i23 %tmp7
}
|
