File: llvm.amdgcn.sffbh.ll

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (29 lines) | stat: -rw-r--r-- 1,217 bytes parent folder | download | duplicates (4)
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
; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s

declare i32 @llvm.amdgcn.sffbh.i32(i32) #1

; GCN-LABEL: {{^}}s_flbit:
; GCN: s_load_dword [[VAL:s[0-9]+]],
; GCN: s_flbit_i32 [[SRESULT:s[0-9]+]], [[VAL]]
; GCN: v_mov_b32_e32 [[VRESULT:v[0-9]+]], [[SRESULT]]
; GCN: buffer_store_dword [[VRESULT]],
define amdgpu_kernel void @s_flbit(ptr addrspace(1) noalias %out, i32 %val) #0 {
  %r = call i32 @llvm.amdgcn.sffbh.i32(i32 %val)
  store i32 %r, ptr addrspace(1) %out, align 4
  ret void
}

; GCN-LABEL: {{^}}v_flbit:
; GCN: buffer_load_dword [[VAL:v[0-9]+]],
; GCN: v_ffbh_i32_e32 [[RESULT:v[0-9]+]], [[VAL]]
; GCN: buffer_store_dword [[RESULT]],
define amdgpu_kernel void @v_flbit(ptr addrspace(1) noalias %out, ptr addrspace(1) noalias %valptr) #0 {
  %val = load i32, ptr addrspace(1) %valptr, align 4
  %r = call i32 @llvm.amdgcn.sffbh.i32(i32 %val)
  store i32 %r, ptr addrspace(1) %out, align 4
  ret void
}

attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }