llvm/test/CodeGen/AMDGPU/extload.ll
Matt Arsenault 29d0ea4bc8 AMDGPU: Cleanup load tests
There are a lot of different kinds of loads to test for,
and these were scattered around inconsistently with
some redundancy. Try to comprehensively test all loads
in a consistent way.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271571 91177308-0d34-0410-b5e6-96231b3b80d8
2016-06-02 19:54:26 +00:00

66 lines
2.9 KiB
LLVM

; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI-NOHSA -check-prefix=FUNC %s
; RUN: llc -mtriple=amdgcn-amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck -check-prefix=FUNC -check-prefix=CI-HSA -check-prefix=SI %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI-NOHSA -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
; FIXME: This seems to not ever actually become an extload
; FUNC-LABEL: {{^}}global_anyext_load_i8:
; GCN: buffer_load_dword v{{[0-9]+}}
; GCN: buffer_store_dword v{{[0-9]+}}
; EG: MEM_RAT_CACHELESS STORE_RAW [[VAL:T[0-9]+.[XYZW]]],
; EG: VTX_READ_32 [[VAL]]
define void @global_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, i32 addrspace(1)* %cast
%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
ret void
}
; FUNC-LABEL: {{^}}global_anyext_load_i16:
; GCN: buffer_load_dword v{{[0-9]+}}
; GCN: buffer_store_dword v{{[0-9]+}}
; EG: MEM_RAT_CACHELESS STORE_RAW [[VAL:T[0-9]+.[XYZW]]],
; EG: VTX_READ_32 [[VAL]]
define void @global_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, i32 addrspace(1)* %cast
%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
ret void
}
; FUNC-LABEL: {{^}}local_anyext_load_i8:
; GCN: ds_read_b32 v{{[0-9]+}}
; GCN: ds_write_b32 v{{[0-9]+}}
; EG: LDS_READ_RET {{.*}}, [[VAL:T[0-9]+.[XYZW]]]
; EG: LDS_WRITE * [[VAL]]
define void @local_anyext_load_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, i32 addrspace(3)* %cast
%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
ret void
}
; FUNC-LABEL: {{^}}local_anyext_load_i16:
; GCN: ds_read_b32 v{{[0-9]+}}
; GCN: ds_write_b32 v{{[0-9]+}}
; EG: LDS_READ_RET {{.*}}, [[VAL:T[0-9]+.[XYZW]]]
; EG: LDS_WRITE * [[VAL]]
define void @local_anyext_load_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, i32 addrspace(3)* %cast
%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
ret void
}