mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-24 22:32:47 +00:00
13f4476c55
This saves us from having to copy a 64-bit 0 value into VGPRs for BUFFER_* instruction which only have a 12-bit immediate offset. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215399 91177308-0d34-0410-b5e6-96231b3b80d8
124 lines
4.5 KiB
LLVM
124 lines
4.5 KiB
LLVM
; RUN: llc -march=r600 -mcpu=cypress < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
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; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; FUNC-LABEL: @anyext_load_i8:
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; EG: AND_INT
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; EG: 255
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define void @anyext_load_i8(i8 addrspace(1)* nocapture noalias %out, i8 addrspace(1)* nocapture noalias %src) nounwind {
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%cast = bitcast i8 addrspace(1)* %src to i32 addrspace(1)*
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%load = load i32 addrspace(1)* %cast, align 1
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%x = bitcast i32 %load to <4 x i8>
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%castOut = bitcast i8 addrspace(1)* %out to <4 x i8> addrspace(1)*
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store <4 x i8> %x, <4 x i8> addrspace(1)* %castOut, align 1
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ret void
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}
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; FUNC-LABEL: @anyext_load_i16:
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; EG: AND_INT
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; EG: AND_INT
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; EG-DAG: 65535
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; EG-DAG: -65536
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define void @anyext_load_i16(i16 addrspace(1)* nocapture noalias %out, i16 addrspace(1)* nocapture noalias %src) nounwind {
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%cast = bitcast i16 addrspace(1)* %src to i32 addrspace(1)*
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%load = load i32 addrspace(1)* %cast, align 1
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%x = bitcast i32 %load to <2 x i16>
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%castOut = bitcast i16 addrspace(1)* %out to <2 x i16> addrspace(1)*
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store <2 x i16> %x, <2 x i16> addrspace(1)* %castOut, align 1
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ret void
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}
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; FUNC-LABEL: @anyext_load_lds_i8:
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; EG: AND_INT
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; EG: 255
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define void @anyext_load_lds_i8(i8 addrspace(3)* nocapture noalias %out, i8 addrspace(3)* nocapture noalias %src) nounwind {
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%cast = bitcast i8 addrspace(3)* %src to i32 addrspace(3)*
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%load = load i32 addrspace(3)* %cast, align 1
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%x = bitcast i32 %load to <4 x i8>
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%castOut = bitcast i8 addrspace(3)* %out to <4 x i8> addrspace(3)*
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store <4 x i8> %x, <4 x i8> addrspace(3)* %castOut, align 1
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ret void
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}
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; FUNC-LABEL: @anyext_load_lds_i16:
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; EG: AND_INT
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; EG: AND_INT
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; EG-DAG: 65535
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; EG-DAG: -65536
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define void @anyext_load_lds_i16(i16 addrspace(3)* nocapture noalias %out, i16 addrspace(3)* nocapture noalias %src) nounwind {
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%cast = bitcast i16 addrspace(3)* %src to i32 addrspace(3)*
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%load = load i32 addrspace(3)* %cast, align 1
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%x = bitcast i32 %load to <2 x i16>
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%castOut = bitcast i16 addrspace(3)* %out to <2 x i16> addrspace(3)*
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store <2 x i16> %x, <2 x i16> addrspace(3)* %castOut, align 1
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ret void
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}
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; FUNC-LABEL: @sextload_global_i8_to_i64
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; SI: BUFFER_LOAD_SBYTE [[LOAD:v[0-9]+]],
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; SI: V_ASHRREV_I32_e32 v{{[0-9]+}}, 31, [[LOAD]]
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; SI: BUFFER_STORE_DWORDX2
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define void @sextload_global_i8_to_i64(i64 addrspace(1)* %out, i8 addrspace(1)* %in) nounwind {
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%a = load i8 addrspace(1)* %in, align 8
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%ext = sext i8 %a to i64
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store i64 %ext, i64 addrspace(1)* %out, align 8
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ret void
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}
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; FUNC-LABEL: @sextload_global_i16_to_i64
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; SI: BUFFER_LOAD_SSHORT [[LOAD:v[0-9]+]],
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; SI: V_ASHRREV_I32_e32 v{{[0-9]+}}, 31, [[LOAD]]
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; SI: BUFFER_STORE_DWORDX2
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define void @sextload_global_i16_to_i64(i64 addrspace(1)* %out, i16 addrspace(1)* %in) nounwind {
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%a = load i16 addrspace(1)* %in, align 8
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%ext = sext i16 %a to i64
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store i64 %ext, i64 addrspace(1)* %out, align 8
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ret void
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}
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; FUNC-LABEL: @sextload_global_i32_to_i64
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; SI: BUFFER_LOAD_DWORD [[LOAD:v[0-9]+]],
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; SI: V_ASHRREV_I32_e32 v{{[0-9]+}}, 31, [[LOAD]]
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; SI: BUFFER_STORE_DWORDX2
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define void @sextload_global_i32_to_i64(i64 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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%a = load i32 addrspace(1)* %in, align 8
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%ext = sext i32 %a to i64
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store i64 %ext, i64 addrspace(1)* %out, align 8
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ret void
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}
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; FUNC-LABEL: @zextload_global_i8_to_i64
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; SI-DAG: S_MOV_B32 [[ZERO:s[0-9]+]], 0{{$}}
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; SI-DAG: BUFFER_LOAD_UBYTE [[LOAD:v[0-9]+]],
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; SI: V_MOV_B32_e32 {{v[0-9]+}}, [[ZERO]]
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; SI: BUFFER_STORE_DWORDX2
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define void @zextload_global_i8_to_i64(i64 addrspace(1)* %out, i8 addrspace(1)* %in) nounwind {
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%a = load i8 addrspace(1)* %in, align 8
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%ext = zext i8 %a to i64
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store i64 %ext, i64 addrspace(1)* %out, align 8
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ret void
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}
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; FUNC-LABEL: @zextload_global_i16_to_i64
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; SI-DAG: S_MOV_B32 [[ZERO:s[0-9]+]], 0{{$}}
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; SI-DAG: BUFFER_LOAD_USHORT [[LOAD:v[0-9]+]],
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; SI: V_MOV_B32_e32 {{v[0-9]+}}, [[ZERO]]
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; SI: BUFFER_STORE_DWORDX2
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define void @zextload_global_i16_to_i64(i64 addrspace(1)* %out, i16 addrspace(1)* %in) nounwind {
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%a = load i16 addrspace(1)* %in, align 8
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%ext = zext i16 %a to i64
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store i64 %ext, i64 addrspace(1)* %out, align 8
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ret void
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}
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; FUNC-LABEL: @zextload_global_i32_to_i64
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; SI-DAG: S_MOV_B32 [[ZERO:s[0-9]+]], 0{{$}}
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; SI-DAG: BUFFER_LOAD_DWORD [[LOAD:v[0-9]+]],
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; SI: V_MOV_B32_e32 {{v[0-9]+}}, [[ZERO]]
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; SI: BUFFER_STORE_DWORDX2
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define void @zextload_global_i32_to_i64(i64 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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%a = load i32 addrspace(1)* %in, align 8
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%ext = zext i32 %a to i64
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store i64 %ext, i64 addrspace(1)* %out, align 8
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ret void
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}
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