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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
declare <2 x i32> @llvm.ctlz.v2i32(<2 x i32>, i1 immarg)
define <2 x i32> @illegal_ctlz(<2 x i32> %v1) {
; CHECK-LABEL: illegal_ctlz:
; CHECK: # %bb.0:
; CHECK-NEXT: movdqa %xmm0, %xmm1
; CHECK-NEXT: psrld $1, %xmm1
; CHECK-NEXT: por %xmm1, %xmm0
; CHECK-NEXT: movdqa %xmm0, %xmm1
; CHECK-NEXT: psrld $2, %xmm1
; CHECK-NEXT: por %xmm1, %xmm0
; CHECK-NEXT: movdqa %xmm0, %xmm1
; CHECK-NEXT: psrld $4, %xmm1
; CHECK-NEXT: por %xmm1, %xmm0
; CHECK-NEXT: movdqa %xmm0, %xmm1
; CHECK-NEXT: psrld $8, %xmm1
; CHECK-NEXT: por %xmm1, %xmm0
; CHECK-NEXT: movdqa %xmm0, %xmm1
; CHECK-NEXT: psrld $16, %xmm1
; CHECK-NEXT: por %xmm1, %xmm0
; CHECK-NEXT: pcmpeqd %xmm1, %xmm1
; CHECK-NEXT: pxor %xmm1, %xmm0
; CHECK-NEXT: movdqa %xmm0, %xmm1
; CHECK-NEXT: psrlw $1, %xmm1
; CHECK-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1
; CHECK-NEXT: psubb %xmm1, %xmm0
; CHECK-NEXT: movdqa {{.*#+}} xmm1 = [51,51,51,51,51,51,51,51,51,51,51,51,51,51,51,51]
; CHECK-NEXT: movdqa %xmm0, %xmm2
; CHECK-NEXT: pand %xmm1, %xmm2
; CHECK-NEXT: psrlw $2, %xmm0
; CHECK-NEXT: pand %xmm1, %xmm0
; CHECK-NEXT: paddb %xmm2, %xmm0
; CHECK-NEXT: movdqa %xmm0, %xmm1
; CHECK-NEXT: psrlw $4, %xmm1
; CHECK-NEXT: paddb %xmm1, %xmm0
; CHECK-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; CHECK-NEXT: pxor %xmm1, %xmm1
; CHECK-NEXT: movdqa %xmm0, %xmm2
; CHECK-NEXT: punpckhdq {{.*#+}} xmm2 = xmm2[2],xmm1[2],xmm2[3],xmm1[3]
; CHECK-NEXT: psadbw %xmm1, %xmm2
; CHECK-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; CHECK-NEXT: psadbw %xmm1, %xmm0
; CHECK-NEXT: packuswb %xmm2, %xmm0
; CHECK-NEXT: retq
%v2 = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %v1, i1 true)
ret <2 x i32> %v2
}
declare <2 x i32> @llvm.cttz.v2i32(<2 x i32>, i1 immarg)
define <2 x i32> @illegal_cttz(<2 x i32> %v1) {
; CHECK-LABEL: illegal_cttz:
; CHECK: # %bb.0:
; CHECK-NEXT: pcmpeqd %xmm1, %xmm1
; CHECK-NEXT: paddd %xmm0, %xmm1
; CHECK-NEXT: pandn %xmm1, %xmm0
; CHECK-NEXT: movdqa %xmm0, %xmm1
; CHECK-NEXT: psrlw $1, %xmm1
; CHECK-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1
; CHECK-NEXT: psubb %xmm1, %xmm0
; CHECK-NEXT: movdqa {{.*#+}} xmm1 = [51,51,51,51,51,51,51,51,51,51,51,51,51,51,51,51]
; CHECK-NEXT: movdqa %xmm0, %xmm2
; CHECK-NEXT: pand %xmm1, %xmm2
; CHECK-NEXT: psrlw $2, %xmm0
; CHECK-NEXT: pand %xmm1, %xmm0
; CHECK-NEXT: paddb %xmm2, %xmm0
; CHECK-NEXT: movdqa %xmm0, %xmm1
; CHECK-NEXT: psrlw $4, %xmm1
; CHECK-NEXT: paddb %xmm1, %xmm0
; CHECK-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; CHECK-NEXT: pxor %xmm1, %xmm1
; CHECK-NEXT: movdqa %xmm0, %xmm2
; CHECK-NEXT: punpckhdq {{.*#+}} xmm2 = xmm2[2],xmm1[2],xmm2[3],xmm1[3]
; CHECK-NEXT: psadbw %xmm1, %xmm2
; CHECK-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; CHECK-NEXT: psadbw %xmm1, %xmm0
; CHECK-NEXT: packuswb %xmm2, %xmm0
; CHECK-NEXT: retq
%v2 = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %v1, i1 true)
ret <2 x i32> %v2
}
|
