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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instsimplify -S | FileCheck %s
define i32 @sub_self(i32 %A) {
; CHECK-LABEL: @sub_self(
; CHECK-NEXT: ret i32 0
;
%B = sub i32 %A, %A
ret i32 %B
}
define <2 x i32> @sub_self_vec(<2 x i32> %A) {
; CHECK-LABEL: @sub_self_vec(
; CHECK-NEXT: ret <2 x i32> zeroinitializer
;
%B = sub <2 x i32> %A, %A
ret <2 x i32> %B
}
define i32 @sub_zero(i32 %A) {
; CHECK-LABEL: @sub_zero(
; CHECK-NEXT: ret i32 [[A:%.*]]
;
%B = sub i32 %A, 0
ret i32 %B
}
define <2 x i32> @sub_zero_vec(<2 x i32> %A) {
; CHECK-LABEL: @sub_zero_vec(
; CHECK-NEXT: ret <2 x i32> [[A:%.*]]
;
%B = sub <2 x i32> %A, <i32 0, i32 undef>
ret <2 x i32> %B
}
define i32 @neg_neg(i32 %A) {
; CHECK-LABEL: @neg_neg(
; CHECK-NEXT: ret i32 [[A:%.*]]
;
%B = sub i32 0, %A
%C = sub i32 0, %B
ret i32 %C
}
define <2 x i32> @neg_neg_vec(<2 x i32> %A) {
; CHECK-LABEL: @neg_neg_vec(
; CHECK-NEXT: ret <2 x i32> [[A:%.*]]
;
%B = sub <2 x i32> <i32 0, i32 undef>, %A
%C = sub <2 x i32> <i32 0, i32 undef>, %B
ret <2 x i32> %C
}
|
