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
45
46
47
48
49
50
51
52
53
54
55
|
; RUN: llc -mtriple=mips -mcpu=mips32r2 < %s | FileCheck %s
; RUN: llc -mtriple=mipsel-linux-gnu -mcpu=mips32r2 -mattr=+mips16 < %s | FileCheck %s -check-prefix=mips16
; RUN: llc -mtriple=mips -mcpu=mips32r3 -mattr=+micromips < %s | FileCheck %s \
; RUN: -check-prefix=MM32
; RUN: llc -mtriple=mips -mcpu=mips32r6 -mattr=+micromips < %s | FileCheck %s \
; RUN: -check-prefix=MM32
; CHECK: rotrv $2, $4
; mips16: .ent rot0
; MM32: li16 $2, 32
; MM32: subu16 $2, $2, $5
; MM32: rotrv $2, $4, $2
define i32 @rot0(i32 %a, i32 %b) nounwind readnone {
entry:
%shl = shl i32 %a, %b
%sub = sub i32 32, %b
%shr = lshr i32 %a, %sub
%or = or i32 %shr, %shl
ret i32 %or
}
; CHECK: rotr $2, $4, 22
; mips16: .ent rot1
; MM32: rotr $2, $4, 22
define i32 @rot1(i32 %a) nounwind readnone {
entry:
%shl = shl i32 %a, 10
%shr = lshr i32 %a, 22
%or = or i32 %shl, %shr
ret i32 %or
}
; CHECK: rotrv $2, $4, $5
; mips16: .ent rot2
; MM32: rotrv $2, $4, $5
define i32 @rot2(i32 %a, i32 %b) nounwind readnone {
entry:
%shr = lshr i32 %a, %b
%sub = sub i32 32, %b
%shl = shl i32 %a, %sub
%or = or i32 %shl, %shr
ret i32 %or
}
; CHECK: rotr $2, $4, 10
; mips16: .ent rot3
; MM32: rotr $2, $4, 10
define i32 @rot3(i32 %a) nounwind readnone {
entry:
%shr = lshr i32 %a, 10
%shl = shl i32 %a, 22
%or = or i32 %shr, %shl
ret i32 %or
}
|
