llvm-project/llvm/test/CodeGen/AMDGPU/captured-frame-index.ll

; RUN: llc -march=amdgcn -mattr=-promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s

; GCN-LABEL: {{^}}stored_fi_to_lds:
; GCN: s_load_dword [[LDSPTR:s[0-9]+]]
; GCN: v_mov_b32_e32 [[ZERO1:v[0-9]+]], 0{{$}}
; GCN: buffer_store_dword v{{[0-9]+}}, [[ZERO1]]
; GCN: v_mov_b32_e32 [[ZERO0:v[0-9]+]], 0{{$}}
; GCN: v_mov_b32_e32 [[VLDSPTR:v[0-9]+]], [[LDSPTR]]
; GCN: ds_write_b32  [[VLDSPTR]], [[ZERO0]]
define void @stored_fi_to_lds(float* addrspace(3)* %ptr) #0 {
  %tmp = alloca float
  store float 4.0, float *%tmp
  store float* %tmp, float* addrspace(3)* %ptr
  ret void
}

; Offset is applied
; GCN-LABEL: {{^}}stored_fi_to_lds_2_small_objects:
; GCN: s_load_dword [[LDSPTR:s[0-9]+]]
; GCN: v_mov_b32_e32 [[ZERO1:v[0-9]+]], 0{{$}}
; GCN: buffer_store_dword v{{[0-9]+}}, [[ZERO1]]

; GCN: v_mov_b32_e32 [[FI1:v[0-9]+]], 4{{$}}
; GCN: buffer_store_dword v{{[0-9]+}}, [[FI1]]


; GCN-DAG: v_mov_b32_e32 [[ZERO0:v[0-9]+]], 0{{$}}
; GCN-DAG: v_mov_b32_e32 [[VLDSPTR:v[0-9]+]], [[LDSPTR]]
; GCN: ds_write_b32  [[VLDSPTR]], [[ZERO0]]

; GCN-DAG: v_mov_b32_e32 [[FI1:v[0-9]+]], 4{{$}}
; GCN: ds_write_b32  [[VLDSPTR]], [[FI1]]
define void @stored_fi_to_lds_2_small_objects(float* addrspace(3)* %ptr) #0 {
  %tmp0 = alloca float
  %tmp1 = alloca float
  store float 4.0, float *%tmp0
  store float 4.0, float *%tmp1
  store volatile float* %tmp0, float* addrspace(3)* %ptr
  store volatile float* %tmp1, float* addrspace(3)* %ptr
  ret void
}

; Same frame index is used multiple times in the store
; GCN-LABEL: {{^}}stored_fi_to_self:
define void @stored_fi_to_self() #0 {
  %tmp = alloca i32*

  ; Avoid optimizing everything out
  store volatile i32* inttoptr (i32 1234 to i32*), i32** %tmp
  %bitcast = bitcast i32** %tmp to i32*
  store volatile i32* %bitcast, i32** %tmp
  ret void
}

; GCN-LABEL: {{^}}stored_fi_to_fi:
; GCN: buffer_store_dword
; GCN: buffer_store_dword
; GCN: buffer_store_dword

; GCN-DAG: v_mov_b32_e32 [[FI1:v[0-9]+]], 4{{$}}
; GCN-DAG: v_mov_b32_e32 [[FI2:v[0-9]+]], 8{{$}}
; GCN: buffer_store_dword [[FI1]], [[FI2]]

; GCN-DAG: v_mov_b32_e32 [[FI1:v[0-9]+]], 4{{$}}
; GCN-DAG: v_mov_b32_e32 [[FI2:v[0-9]+]], 8{{$}}
; GCN: buffer_store_dword [[FI2]], [[FI1]]
define void @stored_fi_to_fi() #0 {
  %tmp0 = alloca i32*
  %tmp1 = alloca i32*
  %tmp2 = alloca i32*
  store volatile i32* inttoptr (i32 1234 to i32*), i32** %tmp0
  store volatile i32* inttoptr (i32 5678 to i32*), i32** %tmp1
  store volatile i32* inttoptr (i32 9999 to i32*), i32** %tmp2

  %bitcast1 = bitcast i32** %tmp1 to i32*
  %bitcast2 = bitcast i32** %tmp2 to i32* ;  at offset 8

  store volatile i32* %bitcast1, i32** %tmp2 ; store offset 4 at offset 8
  store volatile i32* %bitcast2, i32** %tmp1 ; store offset 8 at offset 4
  ret void
}

; GCN-LABEL: {{^}}stored_fi_to_global:
; GCN: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen
; GCN: v_mov_b32_e32 [[FI:v[0-9]+]], 0{{$}}
; GCN: buffer_store_dword [[FI]]
define void @stored_fi_to_global(float* addrspace(1)* %ptr) #0 {
  %tmp = alloca float
  store float 0.0, float *%tmp
  store float* %tmp, float* addrspace(1)* %ptr
  ret void
}

; Offset is applied
; GCN-LABEL: {{^}}stored_fi_to_global_2_small_objects:
; GCN: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen
; GCN: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen
; GCN: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen

; GCN: v_mov_b32_e32 [[FI1:v[0-9]+]], 4{{$}}
; GCN: buffer_store_dword [[FI1]], s{{\[[0-9]+:[0-9]+\]}}, 0{{$}}

; GCN-DAG: v_mov_b32_e32 [[FI2:v[0-9]+]], 8{{$}}
; GCN: buffer_store_dword [[FI2]], s{{\[[0-9]+:[0-9]+\]}}, 0{{$}}
define void @stored_fi_to_global_2_small_objects(float* addrspace(1)* %ptr) #0 {
  %tmp0 = alloca float
  %tmp1 = alloca float
  %tmp2 = alloca float
  store volatile float 0.0, float *%tmp0
  store volatile float 0.0, float *%tmp1
  store volatile float 0.0, float *%tmp2
  store volatile float* %tmp1, float* addrspace(1)* %ptr
  store volatile float* %tmp2, float* addrspace(1)* %ptr
  ret void
}

attributes #0 = { nounwind }