File: llvm.amdgcn.s.memrealtime.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 (25 lines) | stat: -rw-r--r-- 890 bytes parent folder | download
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 -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
; RUN: not --crash llc -march=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(i64 addrspace(1)* %out) #0 {
  %cycle0 = call i64 @llvm.amdgcn.s.memrealtime()
  store volatile i64 %cycle0, i64 addrspace(1)* %out

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

attributes #0 = { nounwind }