blob: 455be22a9f3bf46008061bfaf1cf83c96c590d62 (
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
|
; This test makes sure that these instructions are properly eliminated.
;
; RUN: if as < %s | opt -instcombine -dce | dis | grep and
; RUN: then exit 1
; RUN: else exit 0
; RUN: fi
implementation
int "test1"(int %A) {
%B = and int %A, 0 ; zero result
ret int %B
}
int "test2"(int %A) {
%B = and int %A, -1 ; noop
ret int %B
}
bool "test3"(bool %A) {
%B = and bool %A, false ; always = false
ret bool %B
}
bool "test4"(bool %A) {
%B = and bool %A, true ; noop
ret bool %B
}
|