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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instsimplify -S | FileCheck %s
define <2 x i1> @test1(<2 x i1> %a) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: ret <2 x i1> zeroinitializer
;
%b = and <2 x i1> %a, <i1 true, i1 false>
%res = mul <2 x i1> %b, <i1 false, i1 true>
ret <2 x i1> %res
}
define i32 @mul_by_1(i32 %A) {
; CHECK-LABEL: @mul_by_1(
; CHECK-NEXT: ret i32 [[A:%.*]]
;
%B = mul i32 %A, 1
ret i32 %B
}
define i32 @mul_by_0(i32 %A) {
; CHECK-LABEL: @mul_by_0(
; CHECK-NEXT: ret i32 0
;
%B = mul i32 %A, 0
ret i32 %B
}
define <16 x i8> @mul_by_0_vec(<16 x i8> %a) {
; CHECK-LABEL: @mul_by_0_vec(
; CHECK-NEXT: ret <16 x i8> zeroinitializer
;
%b = mul <16 x i8> %a, zeroinitializer
ret <16 x i8> %b
}
define <2 x i8> @mul_by_0_vec_undef_elt(<2 x i8> %a) {
; CHECK-LABEL: @mul_by_0_vec_undef_elt(
; CHECK-NEXT: ret <2 x i8> zeroinitializer
;
%b = mul <2 x i8> %a, <i8 undef, i8 0>
ret <2 x i8> %b
}
|
