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
|
; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | grep rlwimi
; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | not grep "or "
; Make sure there is no register-register copies here.
define void @test1(i32* %A, i32* %B, i32* %D, i32* %E) {
%A.upgrd.1 = load i32, i32* %A ; <i32> [#uses=2]
%B.upgrd.2 = load i32, i32* %B ; <i32> [#uses=1]
%X = and i32 %A.upgrd.1, 15 ; <i32> [#uses=1]
%Y = and i32 %B.upgrd.2, -16 ; <i32> [#uses=1]
%Z = or i32 %X, %Y ; <i32> [#uses=1]
store i32 %Z, i32* %D
store i32 %A.upgrd.1, i32* %E
ret void
}
define void @test2(i32* %A, i32* %B, i32* %D, i32* %E) {
%A.upgrd.3 = load i32, i32* %A ; <i32> [#uses=1]
%B.upgrd.4 = load i32, i32* %B ; <i32> [#uses=2]
%X = and i32 %A.upgrd.3, 15 ; <i32> [#uses=1]
%Y = and i32 %B.upgrd.4, -16 ; <i32> [#uses=1]
%Z = or i32 %X, %Y ; <i32> [#uses=1]
store i32 %Z, i32* %D
store i32 %B.upgrd.4, i32* %E
ret void
}
define i32 @test3(i32 %a, i32 %b) {
%tmp.1 = and i32 %a, 15 ; <i32> [#uses=1]
%tmp.3 = and i32 %b, 240 ; <i32> [#uses=1]
%tmp.4 = or i32 %tmp.3, %tmp.1 ; <i32> [#uses=1]
ret i32 %tmp.4
}
|
