File: ds-vectorization-alignment.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (107 lines) | stat: -rw-r--r-- 4,096 bytes parent folder | download | duplicates (11)
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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck --enable-var-scope --check-prefix=GCN %s

; Check that vectorizer does not create slow misaligned loads

; GCN-LABEL: {{^}}ds1align1:
; GCN-COUNT-2: ds_read_u8
; GCN-COUNT-2: ds_write_b8
define amdgpu_kernel void @ds1align1(ptr addrspace(3) %in, ptr addrspace(3) %out) {
  %val1 = load i8, ptr addrspace(3) %in, align 1
  %gep1 = getelementptr i8, ptr addrspace(3) %in, i32 1
  %val2 = load i8, ptr addrspace(3) %gep1, align 1
  store i8 %val1, ptr addrspace(3) %out, align 1
  %gep2 = getelementptr i8, ptr addrspace(3) %out, i32 1
  store i8 %val2, ptr addrspace(3) %gep2, align 1
  ret void
}

; GCN-LABEL: {{^}}ds2align2:
; GCN-COUNT-2: ds_read_u16
; GCN-COUNT-2: ds_write_b16
define amdgpu_kernel void @ds2align2(ptr addrspace(3) %in, ptr addrspace(3) %out) {
  %val1 = load i16, ptr addrspace(3) %in, align 2
  %gep1 = getelementptr i16, ptr addrspace(3) %in, i32 1
  %val2 = load i16, ptr addrspace(3) %gep1, align 2
  store i16 %val1, ptr addrspace(3) %out, align 2
  %gep2 = getelementptr i16, ptr addrspace(3) %out, i32 1
  store i16 %val2, ptr addrspace(3) %gep2, align 2
  ret void
}

; GCN-LABEL: {{^}}ds4align4:
; GCN: ds_read2_b32
; GCN: ds_write2_b32
define amdgpu_kernel void @ds4align4(ptr addrspace(3) %in, ptr addrspace(3) %out) {
  %val1 = load i32, ptr addrspace(3) %in, align 4
  %gep1 = getelementptr i32, ptr addrspace(3) %in, i32 1
  %val2 = load i32, ptr addrspace(3) %gep1, align 4
  store i32 %val1, ptr addrspace(3) %out, align 4
  %gep2 = getelementptr i32, ptr addrspace(3) %out, i32 1
  store i32 %val2, ptr addrspace(3) %gep2, align 4
  ret void
}

; GCN-LABEL: {{^}}ds8align8:
; GCN: ds_read2_b64
; GCN: ds_write2_b64
define amdgpu_kernel void @ds8align8(ptr addrspace(3) %in, ptr addrspace(3) %out) {
  %val1 = load i64, ptr addrspace(3) %in, align 8
  %gep1 = getelementptr i64, ptr addrspace(3) %in, i64 1
  %val2 = load i64, ptr addrspace(3) %gep1, align 8
  store i64 %val1, ptr addrspace(3) %out, align 8
  %gep2 = getelementptr i64, ptr addrspace(3) %out, i64 1
  store i64 %val2, ptr addrspace(3) %gep2, align 8
  ret void
}

; GCN-LABEL: {{^}}ds1align2:
; GCN: ds_read_u16
; GCN: ds_write_b16
define amdgpu_kernel void @ds1align2(ptr addrspace(3) %in, ptr addrspace(3) %out) {
  %val1 = load i8, ptr addrspace(3) %in, align 2
  %gep1 = getelementptr i8, ptr addrspace(3) %in, i32 1
  %val2 = load i8, ptr addrspace(3) %gep1, align 2
  store i8 %val1, ptr addrspace(3) %out, align 2
  %gep2 = getelementptr i8, ptr addrspace(3) %out, i32 1
  store i8 %val2, ptr addrspace(3) %gep2, align 2
  ret void
}

; GCN-LABEL: {{^}}ds2align4:
; GCN: ds_read_b32
; GCN: ds_write_b32
define amdgpu_kernel void @ds2align4(ptr addrspace(3) %in, ptr addrspace(3) %out) {
  %val1 = load i16, ptr addrspace(3) %in, align 4
  %gep1 = getelementptr i16, ptr addrspace(3) %in, i32 1
  %val2 = load i16, ptr addrspace(3) %gep1, align 4
  store i16 %val1, ptr addrspace(3) %out, align 4
  %gep2 = getelementptr i16, ptr addrspace(3) %out, i32 1
  store i16 %val2, ptr addrspace(3) %gep2, align 4
  ret void
}

; GCN-LABEL: {{^}}ds4align8:
; GCN: ds_read_b64
; GCN: ds_write_b64
define amdgpu_kernel void @ds4align8(ptr addrspace(3) %in, ptr addrspace(3) %out) {
  %val1 = load i32, ptr addrspace(3) %in, align 8
  %gep1 = getelementptr i32, ptr addrspace(3) %in, i32 1
  %val2 = load i32, ptr addrspace(3) %gep1, align 8
  store i32 %val1, ptr addrspace(3) %out, align 8
  %gep2 = getelementptr i32, ptr addrspace(3) %out, i32 1
  store i32 %val2, ptr addrspace(3) %gep2, align 8
  ret void
}

; GCN-LABEL: {{^}}ds8align16:
; GCN: ds_read_b128
; GCN: ds_write_b128
define amdgpu_kernel void @ds8align16(ptr addrspace(3) %in, ptr addrspace(3) %out) {
  %val1 = load i64, ptr addrspace(3) %in, align 16
  %gep1 = getelementptr i64, ptr addrspace(3) %in, i64 1
  %val2 = load i64, ptr addrspace(3) %gep1, align 16
  store i64 %val1, ptr addrspace(3) %out, align 16
  %gep2 = getelementptr i64, ptr addrspace(3) %out, i64 1
  store i64 %val2, ptr addrspace(3) %gep2, align 16
  ret void
}