blob: f1a3080349835158c2f2633e82ef876bf4f83907 (
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
|
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep zext
define i32 @a(i1 %x) {
entry:
%y = zext i1 %x to i32
%res = add i32 %y, 1
ret i32 %res
}
define i32 @b(i1 %x) {
entry:
%y = zext i1 %x to i32
%res = add i32 %y, -1
ret i32 %res
}
define i32 @c(i1 %x) {
entry:
%y = zext i1 %x to i32
%res = sub i32 0, %y
ret i32 %res
}
define i32 @d(i1 %x) {
entry:
%y = zext i1 %x to i32
%res = sub i32 3, %y
ret i32 %res
}
|