File: waitcnt-flat.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 (28 lines) | stat: -rw-r--r-- 1,262 bytes parent folder | download | duplicates (14)
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
; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri < %s | FileCheck -enable-var-scope -check-prefix=GCN %s
; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -mattr=-flat-for-global < %s | FileCheck -enable-var-scope -check-prefix=GCN %s
; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx900 < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GFX9 %s

; If flat_store_dword and flat_load_dword use different registers for the data
; operand, this test is not broken.  It just means it is no longer testing
; for the original bug.

; GCN: {{^}}test:
; XGCN: flat_store_dword v[{{[0-9]+:[0-9]+}}], [[DATA:v[0-9]+]]
; XGCN: s_waitcnt vmcnt(0) lgkmcnt(0)
; XGCN: flat_load_dword [[DATA]], v[{{[0-9]+:[0-9]+}}]
define amdgpu_kernel void @test(i32* %out, i32 %in) {
  store volatile i32 0, i32* %out
  %val = load volatile i32, i32* %out
  ret void
}

; Make sure lgkmcnt isn't used for global_ addrspace(5)* instructions
; GCN-LABEL: {{^}}test_waitcnt_type_flat_global:
; GFX9: global_load_dword [[LD:v[0-9]+]]
; GFX9-NEXT: s_waitcnt vmcnt(0){{$}}
; GFX9-NEXT: ds_write_b32 [[LD]]
define amdgpu_kernel void @test_waitcnt_type_flat_global(i32 addrspace(1)* %in) {
  %val = load volatile i32, i32 addrspace(1)* %in
  store volatile i32 %val, i32 addrspace(3)* undef
  ret void
}