llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.workitem.id.ll

; RUN: llc -global-isel -mtriple=amdgcn-unknown-amdhsa --amdhsa-code-object-version=2 -mcpu=kaveri -verify-machineinstrs < %s | FileCheck --check-prefixes=ALL,HSA,CO-V2,UNPACKED  %s
; RUN: llc -global-isel -mtriple=amdgcn-unknown-amdhsa --amdhsa-code-object-version=2 -mcpu=carrizo -verify-machineinstrs < %s | FileCheck --check-prefixes=ALL,HSA,CO-V2,UNPACKED  %s
; RUN: llc -global-isel -mtriple=amdgcn-- -mcpu=hawaii -mattr=+flat-for-global -verify-machineinstrs < %s | FileCheck --check-prefixes=ALL,MESA,UNPACKED %s
; RUN: llc -global-isel -mtriple=amdgcn-- -mcpu=tonga -mattr=+flat-for-global -verify-machineinstrs < %s | FileCheck --check-prefixes=ALL,MESA,UNPACKED %s
; RUN: llc -global-isel -mtriple=amdgcn-unknown-mesa3d -mattr=+flat-for-global -mcpu=hawaii -verify-machineinstrs < %s | FileCheck -check-prefixes=ALL,CO-V2,UNPACKED %s
; RUN: llc -global-isel -mtriple=amdgcn-unknown-mesa3d -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefixes=ALL,CO-V2,UNPACKED %s
; RUN: llc -global-isel -march=amdgcn -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx90a -verify-machineinstrs < %s | FileCheck -check-prefixes=ALL,PACKED-TID %s

declare i32 @llvm.amdgcn.workitem.id.x() #0
declare i32 @llvm.amdgcn.workitem.id.y() #0
declare i32 @llvm.amdgcn.workitem.id.z() #0

; MESA: .section .AMDGPU.config
; MESA: .long 47180
; MESA-NEXT: .long 132{{$}}

; ALL-LABEL: {{^}}test_workitem_id_x:
; CO-V2: enable_vgpr_workitem_id = 0

; ALL-NOT: v0
; ALL: {{buffer|flat|global}}_store_dword {{.*}}v0

; PACKED-TID: .amdhsa_system_vgpr_workitem_id 0
define amdgpu_kernel void @test_workitem_id_x(i32 addrspace(1)* %out) #1 {
  %id = call i32 @llvm.amdgcn.workitem.id.x()
  store i32 %id, i32 addrspace(1)* %out
  ret void
}

; MESA: .section .AMDGPU.config
; MESA: .long 47180
; MESA-NEXT: .long 2180{{$}}

; ALL-LABEL: {{^}}test_workitem_id_y:
; CO-V2: enable_vgpr_workitem_id = 1
; CO-V2-NOT: v1
; CO-V2: {{buffer|flat}}_store_dword {{.*}}v1

; PACKED-TID: v_bfe_u32 [[ID:v[0-9]+]], v0, 10, 10
; PACKED-TID: {{buffer|flat|global}}_store_dword {{.*}}[[ID]]
; PACKED-TID: .amdhsa_system_vgpr_workitem_id 1
define amdgpu_kernel void @test_workitem_id_y(i32 addrspace(1)* %out) #1 {
  %id = call i32 @llvm.amdgcn.workitem.id.y()
  store i32 %id, i32 addrspace(1)* %out
  ret void
}

; MESA: .section .AMDGPU.config
; MESA: .long 47180
; MESA-NEXT: .long 4228{{$}}

; ALL-LABEL: {{^}}test_workitem_id_z:
; CO-V2: enable_vgpr_workitem_id = 2
; CO-V2-NOT: v2
; CO-V2: {{buffer|flat}}_store_dword {{.*}}v2

; PACKED-TID: v_bfe_u32 [[ID:v[0-9]+]], v0, 20, 10
; PACKED-TID: {{buffer|flat|global}}_store_dword {{.*}}[[ID]]
; PACKED-TID: .amdhsa_system_vgpr_workitem_id 2
define amdgpu_kernel void @test_workitem_id_z(i32 addrspace(1)* %out) #1 {
  %id = call i32 @llvm.amdgcn.workitem.id.z()
  store i32 %id, i32 addrspace(1)* %out
  ret void
}

; ALL-LABEL: {{^}}test_workitem_id_x_usex2:
; ALL-NOT: v0
; ALL: {{flat|global}}_store_dword v{{.*}}, v0
; ALL-NOT: v0
; ALL: {{flat|global}}_store_dword v{{.*}}, v0
define amdgpu_kernel void @test_workitem_id_x_usex2(i32 addrspace(1)* %out) #1 {
  %id0 = call i32 @llvm.amdgcn.workitem.id.x()
  store volatile i32 %id0, i32 addrspace(1)* %out

  %id1 = call i32 @llvm.amdgcn.workitem.id.x()
  store volatile i32 %id1, i32 addrspace(1)* %out
  ret void
}

; ALL-LABEL: {{^}}test_workitem_id_x_use_outside_entry:
; ALL-NOT: v0
; ALL: {{flat|global}}_store_dword
; ALL-NOT: v0
; ALL: {{flat|global}}_store_dword v{{.*}}, v0
define amdgpu_kernel void @test_workitem_id_x_use_outside_entry(i32 addrspace(1)* %out, i32 %arg) #1 {
bb0:
  store volatile i32 0, i32 addrspace(1)* %out
  %cond = icmp eq i32 %arg, 0
  br i1 %cond, label %bb1, label %bb2

bb1:
  %id = call i32 @llvm.amdgcn.workitem.id.x()
  store volatile i32 %id, i32 addrspace(1)* %out
  br label %bb2

bb2:
  ret void
}

; ALL-LABEL: {{^}}test_workitem_id_x_func:
; ALL: s_waitcnt
; HSA-NEXT: v_and_b32_e32 v2, 0x3ff, v31
; MESA-NEXT: v_and_b32_e32 v2, 0x3ff, v31
define void @test_workitem_id_x_func(i32 addrspace(1)* %out) #1 {
  %id = call i32 @llvm.amdgcn.workitem.id.x()
  store i32 %id, i32 addrspace(1)* %out
  ret void
}

; ALL-LABEL: {{^}}test_workitem_id_y_func:
; HSA: v_bfe_u32 v2, v31, 10, 10
; MESA: v_bfe_u32 v2, v31, 10, 10
define void @test_workitem_id_y_func(i32 addrspace(1)* %out) #1 {
  %id = call i32 @llvm.amdgcn.workitem.id.y()
  store i32 %id, i32 addrspace(1)* %out
  ret void
}

; ALL-LABEL: {{^}}test_workitem_id_z_func:
; HSA: v_bfe_u32 v2, v31, 20, 10
; MESA: v_bfe_u32 v2, v31, 20, 10
define void @test_workitem_id_z_func(i32 addrspace(1)* %out) #1 {
  %id = call i32 @llvm.amdgcn.workitem.id.z()
  store i32 %id, i32 addrspace(1)* %out
  ret void
}

; FIXME: Should be able to avoid enabling in kernel inputs
; FIXME: Packed tid should avoid the and
; ALL-LABEL: {{^}}test_reqd_workgroup_size_x_only:
; CO-V2: enable_vgpr_workitem_id = 0

; ALL-DAG: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}}
; UNPACKED-DAG: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, v0

; PACKED: v_and_b32_e32 [[MASKED:v[0-9]+]], 0x3ff, v0
; PACKED: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[MASKED]]

; ALL: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]]
; ALL: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]]
define amdgpu_kernel void @test_reqd_workgroup_size_x_only(i32* %out) !reqd_work_group_size !0 {
  %id.x = call i32 @llvm.amdgcn.workitem.id.x()
  %id.y = call i32 @llvm.amdgcn.workitem.id.y()
  %id.z = call i32 @llvm.amdgcn.workitem.id.z()
  store volatile i32 %id.x, i32* %out
  store volatile i32 %id.y, i32* %out
  store volatile i32 %id.z, i32* %out
  ret void
}

; ALL-LABEL: {{^}}test_reqd_workgroup_size_y_only:
; CO-V2: enable_vgpr_workitem_id = 1

; ALL: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}}
; ALL: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]]

; UNPACKED: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, v1

; PACKED: v_bfe_u32 [[MASKED:v[0-9]+]], v0, 10, 10
; PACKED: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[MASKED]]

; ALL: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]]
define amdgpu_kernel void @test_reqd_workgroup_size_y_only(i32* %out) !reqd_work_group_size !1 {
  %id.x = call i32 @llvm.amdgcn.workitem.id.x()
  %id.y = call i32 @llvm.amdgcn.workitem.id.y()
  %id.z = call i32 @llvm.amdgcn.workitem.id.z()
  store volatile i32 %id.x, i32* %out
  store volatile i32 %id.y, i32* %out
  store volatile i32 %id.z, i32* %out
  ret void
}

; ALL-LABEL: {{^}}test_reqd_workgroup_size_z_only:
; CO-V2: enable_vgpr_workitem_id = 2

; ALL: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}}
; ALL: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]]
; ALL: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]]

; UNPACKED: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, v2

; PACKED: v_bfe_u32 [[MASKED:v[0-9]+]], v0, 10, 20
; PACKED: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[MASKED]]
define amdgpu_kernel void @test_reqd_workgroup_size_z_only(i32* %out) !reqd_work_group_size !2 {
  %id.x = call i32 @llvm.amdgcn.workitem.id.x()
  %id.y = call i32 @llvm.amdgcn.workitem.id.y()
  %id.z = call i32 @llvm.amdgcn.workitem.id.z()
  store volatile i32 %id.x, i32* %out
  store volatile i32 %id.y, i32* %out
  store volatile i32 %id.z, i32* %out
  ret void
}

attributes #0 = { nounwind readnone }
attributes #1 = { nounwind }

!0 = !{i32 64, i32 1, i32 1}
!1 = !{i32 1, i32 64, i32 1}
!2 = !{i32 1, i32 1, i32 64}