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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
; RUN: llc -mcpu=pwr7 < %s | FileCheck %s
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
; Function Attrs: nounwind readnone
define signext i32 @foo(i32 signext %a) #0 {
entry:
%mul = mul nsw i32 %a, %a
%shr2 = lshr i32 %mul, 5
ret i32 %shr2
; CHECK-LABEL @foo
; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
; CHECK: blr
}
define zeroext i32 @test6(i32 zeroext %x) #0 {
entry:
%and = lshr i32 %x, 16
%shr = and i32 %and, 255
%and1 = shl i32 %x, 16
%shl = and i32 %and1, 16711680
%or = or i32 %shr, %shl
ret i32 %or
; CHECK-LABEL @test6
; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
; CHECK: blr
}
define zeroext i32 @min(i32 zeroext %a, i32 zeroext %b) #0 {
entry:
%cmp = icmp ule i32 %a, %b
%cond = select i1 %cmp, i32 %a, i32 %b
ret i32 %cond
; CHECK-LABEL @min
; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
; CHECK: blr
}
; Function Attrs: nounwind readnone
declare i32 @llvm.bswap.i32(i32) #0
; Function Attrs: nounwind readonly
define zeroext i32 @bs32(i32* nocapture readonly %x) #1 {
entry:
%0 = load i32, i32* %x, align 4
%1 = tail call i32 @llvm.bswap.i32(i32 %0)
ret i32 %1
; CHECK-LABEL: @bs32
; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
; CHECK: blr
}
; Function Attrs: nounwind readonly
define zeroext i16 @bs16(i16* nocapture readonly %x) #1 {
entry:
%0 = load i16, i16* %x, align 2
%1 = tail call i16 @llvm.bswap.i16(i16 %0)
ret i16 %1
; CHECK-LABEL: @bs16
; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
; CHECK: blr
}
; Function Attrs: nounwind readnone
declare i16 @llvm.bswap.i16(i16) #0
; Function Attrs: nounwind readnone
define zeroext i32 @ctlz32(i32 zeroext %x) #0 {
entry:
%0 = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
ret i32 %0
; CHECK-LABEL: @ctlz32
; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
; CHECK: blr
}
; Function Attrs: nounwind readnone
declare i32 @llvm.ctlz.i32(i32, i1) #0
attributes #0 = { nounwind readnone }
attributes #1 = { nounwind readonly }
|
