File: shfl-sync.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (95 lines) | stat: -rw-r--r-- 3,924 bytes parent folder | download | duplicates (3)
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
; RUN: llc < %s -march=nvptx64 -mcpu=sm_30 -mattr=+ptx60 | FileCheck %s
; RUN: %if ptxas %{ llc < %s -march=nvptx64 -mcpu=sm_30 -mattr=+ptx60 | %ptxas-verify %if !ptxas-11.0 %{-arch=sm_30%} %}

declare i32 @llvm.nvvm.shfl.sync.down.i32(i32, i32, i32, i32)
declare float @llvm.nvvm.shfl.sync.down.f32(float, i32, i32, i32)
declare i32 @llvm.nvvm.shfl.sync.up.i32(i32, i32, i32, i32)
declare float @llvm.nvvm.shfl.sync.up.f32(float, i32, i32, i32)
declare i32 @llvm.nvvm.shfl.sync.bfly.i32(i32, i32, i32, i32)
declare float @llvm.nvvm.shfl.sync.bfly.f32(float, i32, i32, i32)
declare i32 @llvm.nvvm.shfl.sync.idx.i32(i32, i32, i32, i32)
declare float @llvm.nvvm.shfl.sync.idx.f32(float, i32, i32, i32)

; CHECK-LABEL: .func{{.*}}shfl_sync_rrr
define i32 @shfl_sync_rrr(i32 %mask, i32 %a, i32 %b, i32 %c) {
  ; CHECK: ld.param.u32 [[MASK:%r[0-9]+]]
  ; CHECK: ld.param.u32 [[A:%r[0-9]+]]
  ; CHECK: ld.param.u32 [[B:%r[0-9]+]]
  ; CHECK: ld.param.u32 [[C:%r[0-9]+]]
  ; CHECK: shfl.sync.down.b32 [[OUT:%r[0-9]+]], [[A]], [[B]], [[C]], [[MASK]];
  ; CHECK: st.param.{{.}}32 {{.*}}, [[OUT]]
  %val = call i32 @llvm.nvvm.shfl.sync.down.i32(i32 %mask, i32 %a, i32 %b, i32 %c)
  ret i32 %val
}

; CHECK-LABEL: .func{{.*}}shfl_sync_irr
define i32 @shfl_sync_irr(i32 %a, i32 %b, i32 %c) {
  ; CHECK: ld.param.u32 [[A:%r[0-9]+]]
  ; CHECK: ld.param.u32 [[B:%r[0-9]+]]
  ; CHECK: ld.param.u32 [[C:%r[0-9]+]]
  ; CHECK: shfl.sync.down.b32 [[OUT:%r[0-9]+]], [[A]], [[B]], [[C]], 1;
  ; CHECK: st.param.{{.}}32 {{.*}}, [[OUT]]
  %val = call i32 @llvm.nvvm.shfl.sync.down.i32(i32 1, i32 %a, i32 %b, i32 %c)
  ret i32 %val
}

; CHECK-LABEL: .func{{.*}}shfl_sync_rri
define i32 @shfl_sync_rri(i32 %mask, i32 %a, i32 %b) {
  ; CHECK: ld.param.u32 [[MASK:%r[0-9]+]]
  ; CHECK: ld.param.u32 [[A:%r[0-9]+]]
  ; CHECK: ld.param.u32 [[B:%r[0-9]+]]
  ; CHECK: shfl.sync.down.b32 [[OUT:%r[0-9]+]], [[A]], [[B]], 1, [[MASK]];
  ; CHECK: st.param.{{.}}32 {{.*}}, [[OUT]]
  %val = call i32 @llvm.nvvm.shfl.sync.down.i32(i32 %mask, i32 %a, i32 %b, i32 1)
  ret i32 %val
}

; CHECK-LABEL: .func{{.*}}shfl_sync_iri
define i32 @shfl_sync_iri(i32 %a, i32 %b) {
  ; CHECK: ld.param.u32 [[A:%r[0-9]+]]
  ; CHECK: ld.param.u32 [[B:%r[0-9]+]]
  ; CHECK: shfl.sync.down.b32 [[OUT:%r[0-9]+]], [[A]], [[B]], 2, 1;
  ; CHECK: st.param.{{.}}32 {{.*}}, [[OUT]]
  %val = call i32 @llvm.nvvm.shfl.sync.down.i32(i32 1, i32 %a, i32 %b, i32 2)
  ret i32 %val
}

; CHECK-LABEL: .func{{.*}}shfl_sync_rir
define i32 @shfl_sync_rir(i32 %mask, i32 %a, i32 %c) {
  ; CHECK: ld.param.u32 [[MASK:%r[0-9]+]]
  ; CHECK: ld.param.u32 [[A:%r[0-9]+]]
  ; CHECK: ld.param.u32 [[C:%r[0-9]+]]
  ; CHECK: shfl.sync.down.b32 [[OUT:%r[0-9]+]], [[A]], 1, [[C]], [[MASK]];
  ; CHECK: st.param.{{.}}32 {{.*}}, [[OUT]]
  %val = call i32 @llvm.nvvm.shfl.sync.down.i32(i32 %mask, i32 %a, i32 1, i32 %c)
  ret i32 %val
}

; CHECK-LABEL: .func{{.*}}shfl_sync_iir
define i32 @shfl_sync_iir(i32 %a, i32 %c) {
  ; CHECK: ld.param.u32 [[A:%r[0-9]+]]
  ; CHECK: ld.param.u32 [[C:%r[0-9]+]]
  ; CHECK: shfl.sync.down.b32 [[OUT:%r[0-9]+]], [[A]], 2, [[C]], 1;
  ; CHECK: st.param.{{.}}32 {{.*}}, [[OUT]]
  %val = call i32 @llvm.nvvm.shfl.sync.down.i32(i32 1, i32 %a, i32 2, i32 %c)
  ret i32 %val
}

; CHECK-LABEL: .func{{.*}}shfl_sync_rii
define i32 @shfl_sync_rii(i32 %mask, i32 %a) {
  ; CHECK: ld.param.u32 [[MASK:%r[0-9]+]]
  ; CHECK: ld.param.u32 [[A:%r[0-9]+]]
  ; CHECK: shfl.sync.down.b32 [[OUT:%r[0-9]+]], [[A]], 1, 2, [[MASK]];
  ; CHECK: st.param.{{.}}32 {{.*}}, [[OUT]]
  %val = call i32 @llvm.nvvm.shfl.sync.down.i32(i32 %mask, i32 %a, i32 1, i32 2)
  ret i32 %val
}

; CHECK-LABEL: .func{{.*}}shfl_sync_iii
define i32 @shfl_sync_iii(i32 %a, i32 %b) {
  ; CHECK: ld.param.u32 [[A:%r[0-9]+]]
  ; CHECK: shfl.sync.down.b32 [[OUT:%r[0-9]+]], [[A]], 2, 3, 1;
  ; CHECK: st.param.{{.}}32 {{.*}}, [[OUT]]
  %val = call i32 @llvm.nvvm.shfl.sync.down.i32(i32 1, i32 %a, i32 2, i32 3)
  ret i32 %val
}