File: llvm.amdgcn.s.memrealtime.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 (25 lines) | stat: -rw-r--r-- 891 bytes parent folder | download | duplicates (7)
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
; RUN: llc -mtriple=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
; RUN: not --crash llc -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs < %s 2>&1 | FileCheck -check-prefix=ERR %s

; ERR: LLVM ERROR: Cannot select: intrinsic %llvm.amdgcn.s.memrealtime

declare i64 @llvm.amdgcn.s.memrealtime() #0

; GCN-LABEL: {{^}}test_s_memrealtime:
; GCN-DAG: s_memrealtime s{{\[[0-9]+:[0-9]+\]}}
; GCN-DAG: s_load_dwordx2
; GCN: lgkmcnt
; GCN: _store_dwordx2
; GCN-NOT: lgkmcnt
; GCN: s_memrealtime s{{\[[0-9]+:[0-9]+\]}}
; GCN: _store_dwordx2
define amdgpu_kernel void @test_s_memrealtime(ptr addrspace(1) %out) #0 {
  %cycle0 = call i64 @llvm.amdgcn.s.memrealtime()
  store volatile i64 %cycle0, ptr addrspace(1) %out

  %cycle1 = call i64 @llvm.amdgcn.s.memrealtime()
  store volatile i64 %cycle1, ptr addrspace(1) %out
  ret void
}

attributes #0 = { nounwind }