File: and-or.ll

package info (click to toggle)
llvm-3.0 3.0-10
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 75,412 kB
  • sloc: cpp: 468,043; asm: 109,345; ansic: 13,782; sh: 12,935; ml: 4,716; python: 4,351; perl: 2,096; makefile: 1,905; pascal: 1,578; exp: 389; xml: 283; lisp: 187; csh: 117
file content (39 lines) | stat: -rw-r--r-- 1,063 bytes parent folder | download | duplicates (5)
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
; RUN: opt < %s -instcombine -S | grep {and i32 %a, 1} | count 4
; RUN: opt < %s -instcombine -S | grep {or i32 %0, %b} | count 4


define i32 @func1(i32 %a, i32 %b) nounwind readnone {
entry:
	%0 = or i32 %b, %a		; <i32> [#uses=1]
	%1 = and i32 %0, 1		; <i32> [#uses=1]
	%2 = and i32 %b, -2		; <i32> [#uses=1]
	%3 = or i32 %1, %2		; <i32> [#uses=1]
	ret i32 %3
}

define i32 @func2(i32 %a, i32 %b) nounwind readnone {
entry:
	%0 = or i32 %a, %b		; <i32> [#uses=1]
	%1 = and i32 1, %0		; <i32> [#uses=1]
	%2 = and i32 -2, %b		; <i32> [#uses=1]
	%3 = or i32 %1, %2		; <i32> [#uses=1]
	ret i32 %3
}

define i32 @func3(i32 %a, i32 %b) nounwind readnone {
entry:
	%0 = or i32 %b, %a		; <i32> [#uses=1]
	%1 = and i32 %0, 1		; <i32> [#uses=1]
	%2 = and i32 %b, -2		; <i32> [#uses=1]
	%3 = or i32 %2, %1		; <i32> [#uses=1]
	ret i32 %3
}

define i32 @func4(i32 %a, i32 %b) nounwind readnone {
entry:
	%0 = or i32 %a, %b		; <i32> [#uses=1]
	%1 = and i32 1, %0		; <i32> [#uses=1]
	%2 = and i32 -2, %b		; <i32> [#uses=1]
	%3 = or i32 %2, %1		; <i32> [#uses=1]
	ret i32 %3
}