llvm/test/CodeGen/AMDGPU/indirect-private-64.ll

; RUN: llc -mtriple=amdgcn -mattr=-promote-alloca,+max-private-element-size-16 -verify-machineinstrs < %s | FileCheck --check-prefixes=SI-ALLOCA16,SI %s
; RUN: llc -mtriple=amdgcn -mattr=-promote-alloca,+max-private-element-size-4 -verify-machineinstrs < %s | FileCheck --check-prefixes=SI-ALLOCA4,SI %s
; RUN: llc -mtriple=amdgcn -mattr=+promote-alloca -disable-promote-alloca-to-vector -verify-machineinstrs < %s | FileCheck --check-prefixes=SI-PROMOTE,SI %s
; RUN: llc -mtriple=amdgcn -mcpu=tonga -mattr=-flat-for-global -mattr=-promote-alloca,+max-private-element-size-16 -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
; RUN: llc -mtriple=amdgcn -mcpu=tonga -mattr=-flat-for-global -mattr=+promote-alloca -disable-promote-alloca-to-vector -verify-machineinstrs < %s | FileCheck --check-prefixes=CI-PROMOTE,SI %s

declare void @llvm.amdgcn.s.barrier() #0

; SI-LABEL: {{^}}private_access_f64_alloca:

; SI-ALLOCA16: buffer_store_dwordx2
; SI-ALLOCA16: buffer_load_dwordx2

; SI-ALLOCA4: buffer_store_dword v
; SI-ALLOCA4: buffer_store_dword v
; SI-ALLOCA4: buffer_load_dword v
; SI-ALLOCA4: buffer_load_dword v

; SI-PROMOTE: ds_write_b64
; SI-PROMOTE: ds_read_b64
; CI-PROMOTE: ds_write_b64
; CI-PROMOTE: ds_read_b64
define amdgpu_kernel void @private_access_f64_alloca(ptr addrspace(1) noalias %out, ptr addrspace(1) noalias %in, i32 %b) #1 {
  %val = load double, ptr addrspace(1) %in, align 8
  %array = alloca [8 x double], align 8, addrspace(5)
  %ptr = getelementptr inbounds [8 x double], ptr addrspace(5) %array, i32 0, i32 %b
  store double %val, ptr addrspace(5) %ptr, align 8
  call void @llvm.amdgcn.s.barrier()
  %result = load double, ptr addrspace(5) %ptr, align 8
  store double %result, ptr addrspace(1) %out, align 8
  ret void
}

; SI-LABEL: {{^}}private_access_v2f64_alloca:

; SI-ALLOCA16: buffer_store_dwordx4
; SI-ALLOCA16: buffer_load_dwordx4

; SI-ALLOCA4: buffer_store_dword v
; SI-ALLOCA4: buffer_store_dword v
; SI-ALLOCA4: buffer_store_dword v
; SI-ALLOCA4: buffer_store_dword v
; SI-ALLOCA4: buffer_load_dword v
; SI-ALLOCA4: buffer_load_dword v
; SI-ALLOCA4: buffer_load_dword v
; SI-ALLOCA4: buffer_load_dword v

; SI-PROMOTE: ds_write_b64
; SI-PROMOTE: ds_write_b64
; SI-PROMOTE: ds_read_b64
; SI-PROMOTE: ds_read_b64
; CI-PROMOTE: ds_write_b128
; CI-PROMOTE: ds_read_b128
define amdgpu_kernel void @private_access_v2f64_alloca(ptr addrspace(1) noalias %out, ptr addrspace(1) noalias %in, i32 %b) #1 {
  %val = load <2 x double>, ptr addrspace(1) %in, align 16
  %array = alloca [4 x <2 x double>], align 16, addrspace(5)
  %ptr = getelementptr inbounds [4 x <2 x double>], ptr addrspace(5) %array, i32 0, i32 %b
  store <2 x double> %val, ptr addrspace(5) %ptr, align 16
  call void @llvm.amdgcn.s.barrier()
  %result = load <2 x double>, ptr addrspace(5) %ptr, align 16
  store <2 x double> %result, ptr addrspace(1) %out, align 16
  ret void
}

; SI-LABEL: {{^}}private_access_i64_alloca:

; SI-ALLOCA16: buffer_store_dwordx2
; SI-ALLOCA16: buffer_load_dwordx2

; SI-ALLOCA4: buffer_store_dword v
; SI-ALLOCA4: buffer_store_dword v
; SI-ALLOCA4: buffer_load_dword v
; SI-ALLOCA4: buffer_load_dword v


; SI-PROMOTE: ds_write_b64
; SI-PROMOTE: ds_read_b64
; CI-PROMOTE: ds_write_b64
; CI-PROMOTE: ds_read_b64
define amdgpu_kernel void @private_access_i64_alloca(ptr addrspace(1) noalias %out, ptr addrspace(1) noalias %in, i32 %b) #1 {
  %val = load i64, ptr addrspace(1) %in, align 8
  %array = alloca [8 x i64], align 8, addrspace(5)
  %ptr = getelementptr inbounds [8 x i64], ptr addrspace(5) %array, i32 0, i32 %b
  store i64 %val, ptr addrspace(5) %ptr, align 8
  call void @llvm.amdgcn.s.barrier()
  %result = load i64, ptr addrspace(5) %ptr, align 8
  store i64 %result, ptr addrspace(1) %out, align 8
  ret void
}

; SI-LABEL: {{^}}private_access_v2i64_alloca:

; SI-ALLOCA16: buffer_store_dwordx4
; SI-ALLOCA16: buffer_load_dwordx4

; SI-ALLOCA4: buffer_store_dword v
; SI-ALLOCA4: buffer_store_dword v
; SI-ALLOCA4: buffer_store_dword v
; SI-ALLOCA4: buffer_store_dword v

; SI-ALLOCA4: buffer_load_dword v
; SI-ALLOCA4: buffer_load_dword v
; SI-ALLOCA4: buffer_load_dword v
; SI-ALLOCA4: buffer_load_dword v

; SI-PROMOTE: ds_write_b64
; SI-PROMOTE: ds_write_b64
; SI-PROMOTE: ds_read_b64
; SI-PROMOTE: ds_read_b64
; CI-PROMOTE: ds_write_b128
; CI-PROMOTE: ds_read_b128
define amdgpu_kernel void @private_access_v2i64_alloca(ptr addrspace(1) noalias %out, ptr addrspace(1) noalias %in, i32 %b) #1 {
  %val = load <2 x i64>, ptr addrspace(1) %in, align 16
  %array = alloca [4 x <2 x i64>], align 16, addrspace(5)
  %ptr = getelementptr inbounds [4 x <2 x i64>], ptr addrspace(5) %array, i32 0, i32 %b
  store <2 x i64> %val, ptr addrspace(5) %ptr, align 16
  call void @llvm.amdgcn.s.barrier()
  %result = load <2 x i64>, ptr addrspace(5) %ptr, align 16
  store <2 x i64> %result, ptr addrspace(1) %out, align 16
  ret void
}

attributes #0 = { convergent nounwind }
attributes #1 = { nounwind "amdgpu-waves-per-eu"="1,2" "amdgpu-flat-work-group-size"="64,128" }