1 ; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=MEMTIME -check-prefix=SIVI -check-prefix=GCN %s
2 ; -global-isel=1 SI run line skipped since store not yet implemented.
3 ; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=MEMTIME -check-prefix=SIVI -check-prefix=GCN %s
4 ; RUN: llc -global-isel=1 -mtriple=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=MEMTIME -check-prefix=SIVI -check-prefix=GCN %s
5 ; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=gfx1010 -verify-machineinstrs < %s | FileCheck -check-prefix=MEMTIME -check-prefix=GCN %s
6 ; RUN: llc -global-isel=1 -mtriple=amdgcn -mcpu=gfx1010 -verify-machineinstrs < %s | FileCheck -check-prefix=MEMTIME -check-prefix=GCN %s
7 ; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=gfx1030 -verify-machineinstrs < %s | FileCheck -check-prefixes=MEMTIME -check-prefix=GCN %s
8 ; RUN: llc -global-isel=1 -mtriple=amdgcn -mcpu=gfx1030 -verify-machineinstrs < %s | FileCheck -check-prefixes=MEMTIME -check-prefix=GCN %s
9 ; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs -amdgpu-enable-vopd=0 < %s | FileCheck -check-prefixes=GETREG,GETREG-SDAG -check-prefix=GCN %s
10 ; RUN: llc -global-isel=1 -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs -amdgpu-enable-vopd=0 < %s | FileCheck -check-prefixes=GETREG,GETREG-GISEL -check-prefix=GCN %s
11 ; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=gfx1200 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GFX12 %s
12 ; RUN: llc -global-isel=1 -mtriple=amdgcn -mcpu=gfx1200 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GFX12 %s
14 declare i64 @llvm.readcyclecounter() #0
16 ; GCN-LABEL: {{^}}test_readcyclecounter:
17 ; MEMTIME-DAG: s_memtime s{{\[[0-9]+:[0-9]+\]}}
18 ; GCN-DAG: s_load_{{dwordx2|b64}}
19 ; GFX12: s_getreg_b32 [[HI1:s[0-9]+]], hwreg(HW_REG_SHADER_CYCLES_HI)
20 ; GFX12: s_getreg_b32 [[LO1:s[0-9]+]], hwreg(HW_REG_SHADER_CYCLES_LO)
21 ; GFX12: s_getreg_b32 [[HI2:s[0-9]+]], hwreg(HW_REG_SHADER_CYCLES_HI)
22 ; GFX12: s_cmp_eq_u32 [[HI1]], [[HI2]]
23 ; GFX12: s_cselect_b32 {{s[0-9]+}}, [[LO1]], 0
25 ; MEMTIME: store_dwordx2
27 ; MEMTIME: s_memtime s{{\[[0-9]+:[0-9]+\]}}
28 ; MEMTIME: store_dwordx2
30 ; GETREG-GISEL-DAG: s_mov_b32 s[[SZERO:[0-9]+]], 0
31 ; GETREG-GISEL-DAG: v_mov_b32_e32 v[[ZERO:[0-9]+]], s[[SZERO]]
32 ; GETREG-SDAG-DAG: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0
33 ; GETREG-DAG: s_getreg_b32 [[CNT1:s[0-9]+]], hwreg(HW_REG_SHADER_CYCLES, 0, 20)
34 ; GETREG-DAG: v_mov_b32_e32 v[[VCNT1:[0-9]+]], [[CNT1]]
35 ; GETREG: global_store_{{dwordx2|b64}} v{{.+}}, v[[[VCNT1]]:[[ZERO]]]
36 ; GETREG: s_getreg_b32 [[CNT2:s[0-9]+]], hwreg(HW_REG_SHADER_CYCLES, 0, 20)
37 ; GETREG: v_mov_b32_e32 v[[VCNT2:[0-9]+]], [[CNT2]]
38 ; GETREG: global_store_{{dwordx2|b64}} v{{.+}}, v[[[VCNT2]]:[[ZERO]]]
40 define amdgpu_kernel void @test_readcyclecounter(ptr addrspace(1) %out) #0 {
41 %cycle0 = call i64 @llvm.readcyclecounter()
42 store volatile i64 %cycle0, ptr addrspace(1) %out
44 %cycle1 = call i64 @llvm.readcyclecounter()
45 store volatile i64 %cycle1, ptr addrspace(1) %out
49 ; This test used to crash in ScheduleDAG.
51 ; GCN-LABEL: {{^}}test_readcyclecounter_smem:
52 ; MEMTIME-DAG: s_memtime
53 ; GFX12: s_getreg_b32 [[HI1:s[0-9]+]], hwreg(HW_REG_SHADER_CYCLES_HI)
54 ; GFX12: s_getreg_b32 [[LO1:s[0-9]+]], hwreg(HW_REG_SHADER_CYCLES_LO)
55 ; GFX12: s_getreg_b32 [[HI2:s[0-9]+]], hwreg(HW_REG_SHADER_CYCLES_HI)
56 ; GCN-DAG: s_load_{{dword|b32|b64}}
57 ; GETREG-DAG: s_getreg_b32 s{{[0-9]+}}, hwreg(HW_REG_SHADER_CYCLES, 0, 20)
58 ; GFX12: s_cmp_eq_u32 [[HI1]], [[HI2]]
59 ; GFX12: s_cselect_b32 {{s[0-9]+}}, [[LO1]], 0
60 define amdgpu_cs i32 @test_readcyclecounter_smem(ptr addrspace(4) inreg %in) #0 {
61 %cycle0 = call i64 @llvm.readcyclecounter()
62 %in.v = load i64, ptr addrspace(4) %in
63 %r.64 = add i64 %cycle0, %in.v
64 %r.32 = trunc i64 %r.64 to i32
68 attributes #0 = { nounwind }