mirror of
https://github.com/c64scene-ar/llvm-6502.git
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edcd88ce1a
This pass attempts to fold the source operands of mov and copy instructions into their uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222581 91177308-0d34-0410-b5e6-96231b3b80d8
121 lines
4.5 KiB
LLVM
121 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: buffer_load_ubyte v[[LO:[0-9]+]],
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; SI: v_mov_b32_e32 v[[HI:[0-9]+]], 0{{$}}
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; SI: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]]
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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: buffer_load_ushort v[[LO:[0-9]+]],
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; SI: v_mov_b32_e32 v[[HI:[0-9]+]], 0{{$}}
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; SI: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]]
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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: buffer_load_dword v[[LO:[0-9]+]],
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; SI: v_mov_b32_e32 v[[HI:[0-9]+]], 0{{$}}
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; SI: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]]
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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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