| Matt Arsenault | 61738cb | 2016-02-27 08:53:46 +0000 | [diff] [blame] | 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 |
| Matt Arsenault | 7aad8fd | 2017-01-24 22:02:15 +0000 | [diff] [blame] | 11 | ; GCN: store_dwordx2 |
| Matt Arsenault | 61738cb | 2016-02-27 08:53:46 +0000 | [diff] [blame] | 12 | ; GCN-NOT: lgkmcnt |
| 13 | ; SI: s_memtime s{{\[[0-9]+:[0-9]+\]}} |
| 14 | ; VI: s_memrealtime s{{\[[0-9]+:[0-9]+\]}} |
| Matt Arsenault | 7aad8fd | 2017-01-24 22:02:15 +0000 | [diff] [blame] | 15 | ; GCN: store_dwordx2 |
| Matt Arsenault | 3dbeefa | 2017-03-21 21:39:51 +0000 | [diff] [blame^] | 16 | define amdgpu_kernel void @test_readcyclecounter(i64 addrspace(1)* %out) #0 { |
| Matt Arsenault | 61738cb | 2016-02-27 08:53:46 +0000 | [diff] [blame] | 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 } |