llvm/test/CodeGen/R600/extload.ll

; RUN: llc -march=r600 -mcpu=cypress < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s

; FUNC-LABEL: {{^}}anyext_load_i8:
; EG: AND_INT
; EG: 255
define void @anyext_load_i8(i8 addrspace(1)* nocapture noalias %out, i8 addrspace(1)* nocapture noalias %src) nounwind {
  %cast = bitcast i8 addrspace(1)* %src to i32 addrspace(1)*
  %load = load i32 addrspace(1)* %cast, align 1
  %x = bitcast i32 %load to <4 x i8>
  %castOut = bitcast i8 addrspace(1)* %out to <4 x i8> addrspace(1)*
  store <4 x i8> %x, <4 x i8> addrspace(1)* %castOut, align 1
  ret void
}

; FUNC-LABEL: {{^}}anyext_load_i16:
; EG: AND_INT
; EG: AND_INT
; EG-DAG: 65535
; EG-DAG: -65536
define void @anyext_load_i16(i16 addrspace(1)* nocapture noalias %out, i16 addrspace(1)* nocapture noalias %src) nounwind {
  %cast = bitcast i16 addrspace(1)* %src to i32 addrspace(1)*
  %load = load i32 addrspace(1)* %cast, align 1
  %x = bitcast i32 %load to <2 x i16>
  %castOut = bitcast i16 addrspace(1)* %out to <2 x i16> addrspace(1)*
  store <2 x i16> %x, <2 x i16> addrspace(1)* %castOut, align 1
  ret void
}

; FUNC-LABEL: {{^}}anyext_load_lds_i8:
; EG: AND_INT
; EG: 255
define void @anyext_load_lds_i8(i8 addrspace(3)* nocapture noalias %out, i8 addrspace(3)* nocapture noalias %src) nounwind {
  %cast = bitcast i8 addrspace(3)* %src to i32 addrspace(3)*
  %load = load i32 addrspace(3)* %cast, align 1
  %x = bitcast i32 %load to <4 x i8>
  %castOut = bitcast i8 addrspace(3)* %out to <4 x i8> addrspace(3)*
  store <4 x i8> %x, <4 x i8> addrspace(3)* %castOut, align 1
  ret void
}

; FUNC-LABEL: {{^}}anyext_load_lds_i16:
; EG: AND_INT
; EG: AND_INT
; EG-DAG: 65535
; EG-DAG: -65536
define void @anyext_load_lds_i16(i16 addrspace(3)* nocapture noalias %out, i16 addrspace(3)* nocapture noalias %src) nounwind {
  %cast = bitcast i16 addrspace(3)* %src to i32 addrspace(3)*
  %load = load i32 addrspace(3)* %cast, align 1
  %x = bitcast i32 %load to <2 x i16>
  %castOut = bitcast i16 addrspace(3)* %out to <2 x i16> addrspace(3)*
  store <2 x i16> %x, <2 x i16> addrspace(3)* %castOut, align 1
  ret void
}

; FUNC-LABEL: {{^}}sextload_global_i8_to_i64:
; SI: buffer_load_sbyte [[LOAD:v[0-9]+]],
; SI: v_ashrrev_i32_e32 v{{[0-9]+}}, 31, [[LOAD]]
; SI: buffer_store_dwordx2
define void @sextload_global_i8_to_i64(i64 addrspace(1)* %out, i8 addrspace(1)* %in) nounwind {
  %a = load i8 addrspace(1)* %in, align 8
  %ext = sext i8 %a to i64
  store i64 %ext, i64 addrspace(1)* %out, align 8
  ret void
}

; FUNC-LABEL: {{^}}sextload_global_i16_to_i64:
; SI: buffer_load_sshort [[LOAD:v[0-9]+]],
; SI: v_ashrrev_i32_e32 v{{[0-9]+}}, 31, [[LOAD]]
; SI: buffer_store_dwordx2
define void @sextload_global_i16_to_i64(i64 addrspace(1)* %out, i16 addrspace(1)* %in) nounwind {
  %a = load i16 addrspace(1)* %in, align 8
  %ext = sext i16 %a to i64
  store i64 %ext, i64 addrspace(1)* %out, align 8
  ret void
}

; FUNC-LABEL: {{^}}sextload_global_i32_to_i64:
; SI: buffer_load_dword [[LOAD:v[0-9]+]],
; SI: v_ashrrev_i32_e32 v{{[0-9]+}}, 31, [[LOAD]]
; SI: buffer_store_dwordx2
define void @sextload_global_i32_to_i64(i64 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
  %a = load i32 addrspace(1)* %in, align 8
  %ext = sext i32 %a to i64
  store i64 %ext, i64 addrspace(1)* %out, align 8
  ret void
}

; FUNC-LABEL: {{^}}zextload_global_i8_to_i64:
; SI: buffer_load_ubyte v[[LO:[0-9]+]],
; SI: v_mov_b32_e32 v[[HI:[0-9]+]], 0{{$}}
; SI: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]]
define void @zextload_global_i8_to_i64(i64 addrspace(1)* %out, i8 addrspace(1)* %in) nounwind {
  %a = load i8 addrspace(1)* %in, align 8
  %ext = zext i8 %a to i64
  store i64 %ext, i64 addrspace(1)* %out, align 8
  ret void
}

; FUNC-LABEL: {{^}}zextload_global_i16_to_i64:
; SI: buffer_load_ushort v[[LO:[0-9]+]],
; SI: v_mov_b32_e32 v[[HI:[0-9]+]], 0{{$}}
; SI: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]]
define void @zextload_global_i16_to_i64(i64 addrspace(1)* %out, i16 addrspace(1)* %in) nounwind {
  %a = load i16 addrspace(1)* %in, align 8
  %ext = zext i16 %a to i64
  store i64 %ext, i64 addrspace(1)* %out, align 8
  ret void
}

; FUNC-LABEL: {{^}}zextload_global_i32_to_i64:
; SI: buffer_load_dword v[[LO:[0-9]+]],
; SI: v_mov_b32_e32 v[[HI:[0-9]+]], 0{{$}}
; SI: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]]
define void @zextload_global_i32_to_i64(i64 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
  %a = load i32 addrspace(1)* %in, align 8
  %ext = zext i32 %a to i64
  store i64 %ext, i64 addrspace(1)* %out, align 8
  ret void
}