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 3 4 declare i64 @llvm.readcyclecounter() #0 5 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 10 ; GCN: lgkmcnt 11 ; GCN: buffer_store_dwordx2 12 ; GCN-NOT: lgkmcnt 13 ; SI: s_memtime s{{\[[0-9]+:[0-9]+\]}} 14 ; VI: s_memrealtime s{{\[[0-9]+:[0-9]+\]}} 15 ; GCN: buffer_store_dwordx2 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 19 20 %cycle1 = call i64 @llvm.readcyclecounter() 21 store volatile i64 %cycle1, i64 addrspace(1)* %out 22 ret void 23 } 24 25 attributes #0 = { nounwind } 26
