File: llvm.amdgcn.ds.bpermute.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 (53 lines) | stat: -rw-r--r-- 2,211 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
; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck %s

declare i32 @llvm.amdgcn.ds.bpermute(i32, i32) #0

; CHECK-LABEL: {{^}}ds_bpermute:
; CHECK: ds_bpermute_b32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
define amdgpu_kernel void @ds_bpermute(ptr addrspace(1) %out, i32 %index, i32 %src) nounwind {
  %bpermute = call i32 @llvm.amdgcn.ds.bpermute(i32 %index, i32 %src) #0
  store i32 %bpermute, ptr addrspace(1) %out, align 4
  ret void
}

; CHECK-LABEL: {{^}}ds_bpermute_imm_offset:
; CHECK: ds_bpermute_b32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} offset:4
define amdgpu_kernel void @ds_bpermute_imm_offset(ptr addrspace(1) %out, i32 %base_index, i32 %src) nounwind {
  %index = add i32 %base_index, 4
  %bpermute = call i32 @llvm.amdgcn.ds.bpermute(i32 %index, i32 %src) #0
  store i32 %bpermute, ptr addrspace(1) %out, align 4
  ret void
}

; CHECK-LABEL: {{^}}ds_bpermute_imm_index:
; CHECK: ds_bpermute_b32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} offset:64
define amdgpu_kernel void @ds_bpermute_imm_index(ptr addrspace(1) %out, i32 %base_index, i32 %src) nounwind {
  %bpermute = call i32 @llvm.amdgcn.ds.bpermute(i32 64, i32 %src) #0
  store i32 %bpermute, ptr addrspace(1) %out, align 4
  ret void
}

; CHECK-LABEL: {{^}}ds_bpermute_add_shl:
; CHECK: ds_bpermute_b32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} offset:4
; CHECK: s_waitcnt lgkmcnt
define void @ds_bpermute_add_shl(ptr addrspace(1) %out, i32 %base_index, i32 %src) nounwind {
  %index = add i32 %base_index, 1
  %byte_index = shl i32 %index, 2
  %bpermute = call i32 @llvm.amdgcn.ds.bpermute(i32 %byte_index, i32 %src) #0
  store i32 %bpermute, ptr addrspace(1) %out, align 4
  ret void
}

; CHECK-LABEL: {{^}}ds_bpermute_or_shl:
; CHECK: ds_bpermute_b32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} offset:4
; CHECK: s_waitcnt lgkmcnt
define void @ds_bpermute_or_shl(ptr addrspace(1) %out, i32 %base_index, i32 %src) nounwind {
  %masked = and i32 %base_index, 62
  %index = or i32 %masked, 1
  %byte_index = shl i32 %index, 2
  %bpermute = call i32 @llvm.amdgcn.ds.bpermute(i32 %byte_index, i32 %src) #0
  store i32 %bpermute, ptr addrspace(1) %out, align 4
  ret void
}

attributes #0 = { nounwind readnone convergent }