llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.s.memtime.ll

27 lines
1.1 KiB
LLVM

; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck --check-prefixes=SIVI,GCN %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck --check-prefixes=SIVI,GCN %s
; RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
; RUN: not --crash llc -march=amdgcn -mcpu=gfx1030 -mattr=-flat-for-global -verify-machineinstrs < %s 2>&1 | FileCheck -check-prefix=GFX1030-ERR %s
declare i64 @llvm.amdgcn.s.memtime() #0
; GCN-LABEL: {{^}}test_s_memtime:
; GCN-DAG: s_memtime s{{\[[0-9]+:[0-9]+\]}}
; GCN-DAG: s_load_dwordx2
; GCN: lgkmcnt
; GCN: {{buffer|global}}_store_dwordx2
; SIVI-NOT: lgkmcnt
; GCN: s_memtime s{{\[[0-9]+:[0-9]+\]}}
; GCN: {{buffer|global}}_store_dwordx2
; GFX1030-ERR: ERROR
define amdgpu_kernel void @test_s_memtime(i64 addrspace(1)* %out) #0 {
%cycle0 = call i64 @llvm.amdgcn.s.memtime()
store volatile i64 %cycle0, i64 addrspace(1)* %out
%cycle1 = call i64 @llvm.amdgcn.s.memtime()
store volatile i64 %cycle1, i64 addrspace(1)* %out
ret void
}
attributes #0 = { nounwind }