1 ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=GCN %s
2 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=GCN %s
4 declare i64 @llvm.readcyclecounter() #0
6 ; GCN-LABEL: {{^}}test_readcyclecounter:
7 ; SI-DAG: s_memtime s{{\[[0-9]+:[0-9]+\]}}
8 ; VI-DAG: s_memrealtime s{{\[[0-9]+:[0-9]+\]}}
9 ; GCN-DAG: s_load_dwordx2
13 ; SI: s_memtime s{{\[[0-9]+:[0-9]+\]}}
14 ; VI: s_memrealtime s{{\[[0-9]+:[0-9]+\]}}
16 define void @test_readcyclecounter(i64 addrspace(1)* %out) #0 {
17 %cycle0 = call i64 @llvm.readcyclecounter()
18 store volatile i64 %cycle0, i64 addrspace(1)* %out
20 %cycle1 = call i64 @llvm.readcyclecounter()
21 store volatile i64 %cycle1, i64 addrspace(1)* %out
25 attributes #0 = { nounwind }