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llvm-mirror/test/CodeGen/AMDGPU/shl.v2i16.ll
Stanislav Mekhanoshin 9cf9511d2e [AMDGPU] Untangle SDWA pass from SIShrinkInstructions
Remove dependency of SDWA pass on SIShrinkInstructions.
The goal is to move SDWA even higher in the stack to avoid second run
of MachineLICM, MachineCSE and SIFoldOperands.

Also added handling to preserve original src modifiers.

Differential Revision: https://reviews.llvm.org/D33860

llvm-svn: 304665
2017-06-03 17:39:47 +00:00

153 lines
7.4 KiB
LLVM

; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=CIVI %s
; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=CIVI %s
; GCN-LABEL: {{^}}s_shl_v2i16:
; GFX9: s_load_dword [[LHS:s[0-9]+]]
; GFX9: s_load_dword [[RHS:s[0-9]+]]
; GFX9: v_mov_b32_e32 [[VLHS:v[0-9]+]], [[LHS]]
; GFX9: v_pk_lshlrev_b16 [[RESULT:v[0-9]+]], [[RHS]], [[VLHS]]
; VI: v_lshlrev_b32_e32
; VI: v_lshlrev_b32_sdwa v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
; VI: v_or_b32_sdwa v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_0 src1_sel:DWORD
; CI: v_lshlrev_b32_e32
; CI: v_and_b32_e32 v{{[0-9]+}}, 0xffff, v{{[0-9]+}}
; CI: v_lshlrev_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
; CI: v_lshlrev_b32_e32 v{{[0-9]+}}, 16, v{{[0-9]+}}
; CI: v_or_b32_e32
define amdgpu_kernel void @s_shl_v2i16(<2 x i16> addrspace(1)* %out, <2 x i16> %lhs, <2 x i16> %rhs) #0 {
%result = shl <2 x i16> %lhs, %rhs
store <2 x i16> %result, <2 x i16> addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}v_shl_v2i16:
; GCN: {{buffer|flat}}_load_dword [[LHS:v[0-9]+]]
; GCN: {{buffer|flat}}_load_dword [[RHS:v[0-9]+]]
; GFX9: v_pk_lshlrev_b16 [[RESULT:v[0-9]+]], [[RHS]], [[LHS]]
; VI: v_lshlrev_b16_e32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
; VI: v_lshlrev_b16_sdwa v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; VI: v_or_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
; CI: s_mov_b32 [[MASK:s[0-9]+]], 0xffff{{$}}
; CI: v_lshrrev_b32_e32 v{{[0-9]+}}, 16, [[LHS]]
; CI: v_lshrrev_b32_e32 v{{[0-9]+}}, 16, v{{[0-9]+}}
; CI: v_lshlrev_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
; CI: v_lshl_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
; CI: v_lshlrev_b32_e32 v{{[0-9]+}}, 16, v{{[0-9]+}}
; CI: v_and_b32_e32 v{{[0-9]+}}, [[MASK]], v{{[0-9]+}}
; CI: v_or_b32_e32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
define amdgpu_kernel void @v_shl_v2i16(<2 x i16> addrspace(1)* %out, <2 x i16> addrspace(1)* %in) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x()
%tid.ext = sext i32 %tid to i64
%in.gep = getelementptr inbounds <2 x i16>, <2 x i16> addrspace(1)* %in, i64 %tid.ext
%out.gep = getelementptr inbounds <2 x i16>, <2 x i16> addrspace(1)* %out, i64 %tid.ext
%b_ptr = getelementptr <2 x i16>, <2 x i16> addrspace(1)* %in.gep, i32 1
%a = load <2 x i16>, <2 x i16> addrspace(1)* %in.gep
%b = load <2 x i16>, <2 x i16> addrspace(1)* %b_ptr
%result = shl <2 x i16> %a, %b
store <2 x i16> %result, <2 x i16> addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}shl_v_s_v2i16:
; GFX9: s_load_dword [[RHS:s[0-9]+]]
; GFX9: {{buffer|flat}}_load_dword [[LHS:v[0-9]+]]
; GFX9: v_pk_lshlrev_b16 [[RESULT:v[0-9]+]], [[RHS]], [[LHS]]
define amdgpu_kernel void @shl_v_s_v2i16(<2 x i16> addrspace(1)* %out, <2 x i16> addrspace(1)* %in, <2 x i16> %sgpr) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x()
%tid.ext = sext i32 %tid to i64
%in.gep = getelementptr inbounds <2 x i16>, <2 x i16> addrspace(1)* %in, i64 %tid.ext
%out.gep = getelementptr inbounds <2 x i16>, <2 x i16> addrspace(1)* %out, i64 %tid.ext
%vgpr = load <2 x i16>, <2 x i16> addrspace(1)* %in.gep
%result = shl <2 x i16> %vgpr, %sgpr
store <2 x i16> %result, <2 x i16> addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}shl_s_v_v2i16:
; GFX9: s_load_dword [[LHS:s[0-9]+]]
; GFX9: {{buffer|flat}}_load_dword [[RHS:v[0-9]+]]
; GFX9: v_pk_lshlrev_b16 [[RESULT:v[0-9]+]], [[RHS]], [[LHS]]
define amdgpu_kernel void @shl_s_v_v2i16(<2 x i16> addrspace(1)* %out, <2 x i16> addrspace(1)* %in, <2 x i16> %sgpr) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x()
%tid.ext = sext i32 %tid to i64
%in.gep = getelementptr inbounds <2 x i16>, <2 x i16> addrspace(1)* %in, i64 %tid.ext
%out.gep = getelementptr inbounds <2 x i16>, <2 x i16> addrspace(1)* %out, i64 %tid.ext
%vgpr = load <2 x i16>, <2 x i16> addrspace(1)* %in.gep
%result = shl <2 x i16> %sgpr, %vgpr
store <2 x i16> %result, <2 x i16> addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}shl_imm_v_v2i16:
; GCN: {{buffer|flat}}_load_dword [[RHS:v[0-9]+]]
; GFX9: v_pk_lshlrev_b16 [[RESULT:v[0-9]+]], [[RHS]], 8
define amdgpu_kernel void @shl_imm_v_v2i16(<2 x i16> addrspace(1)* %out, <2 x i16> addrspace(1)* %in) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x()
%tid.ext = sext i32 %tid to i64
%in.gep = getelementptr inbounds <2 x i16>, <2 x i16> addrspace(1)* %in, i64 %tid.ext
%out.gep = getelementptr inbounds <2 x i16>, <2 x i16> addrspace(1)* %out, i64 %tid.ext
%vgpr = load <2 x i16>, <2 x i16> addrspace(1)* %in.gep
%result = shl <2 x i16> <i16 8, i16 8>, %vgpr
store <2 x i16> %result, <2 x i16> addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}shl_v_imm_v2i16:
; GCN: {{buffer|flat}}_load_dword [[LHS:v[0-9]+]]
; GFX9: v_pk_lshlrev_b16 [[RESULT:v[0-9]+]], 8, [[LHS]]
define amdgpu_kernel void @shl_v_imm_v2i16(<2 x i16> addrspace(1)* %out, <2 x i16> addrspace(1)* %in) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x()
%tid.ext = sext i32 %tid to i64
%in.gep = getelementptr inbounds <2 x i16>, <2 x i16> addrspace(1)* %in, i64 %tid.ext
%out.gep = getelementptr inbounds <2 x i16>, <2 x i16> addrspace(1)* %out, i64 %tid.ext
%vgpr = load <2 x i16>, <2 x i16> addrspace(1)* %in.gep
%result = shl <2 x i16> %vgpr, <i16 8, i16 8>
store <2 x i16> %result, <2 x i16> addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_shl_v4i16:
; GCN: {{buffer|flat}}_load_dwordx2
; GCN: {{buffer|flat}}_load_dwordx2
; GFX9: v_pk_lshlrev_b16 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
; GFX9: v_pk_lshlrev_b16 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
; GCN: {{buffer|flat}}_store_dwordx2
define amdgpu_kernel void @v_shl_v4i16(<4 x i16> addrspace(1)* %out, <4 x i16> addrspace(1)* %in) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x()
%tid.ext = sext i32 %tid to i64
%in.gep = getelementptr inbounds <4 x i16>, <4 x i16> addrspace(1)* %in, i64 %tid.ext
%out.gep = getelementptr inbounds <4 x i16>, <4 x i16> addrspace(1)* %out, i64 %tid.ext
%b_ptr = getelementptr <4 x i16>, <4 x i16> addrspace(1)* %in.gep, i32 1
%a = load <4 x i16>, <4 x i16> addrspace(1)* %in.gep
%b = load <4 x i16>, <4 x i16> addrspace(1)* %b_ptr
%result = shl <4 x i16> %a, %b
store <4 x i16> %result, <4 x i16> addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}shl_v_imm_v4i16:
; GCN: {{buffer|flat}}_load_dwordx2
; GFX9: v_pk_lshlrev_b16 v{{[0-9]+}}, 8, v{{[0-9]+}}
; GFX9: v_pk_lshlrev_b16 v{{[0-9]+}}, 8, v{{[0-9]+}}
; GCN: {{buffer|flat}}_store_dwordx2
define amdgpu_kernel void @shl_v_imm_v4i16(<4 x i16> addrspace(1)* %out, <4 x i16> addrspace(1)* %in) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x()
%tid.ext = sext i32 %tid to i64
%in.gep = getelementptr inbounds <4 x i16>, <4 x i16> addrspace(1)* %in, i64 %tid.ext
%out.gep = getelementptr inbounds <4 x i16>, <4 x i16> addrspace(1)* %out, i64 %tid.ext
%vgpr = load <4 x i16>, <4 x i16> addrspace(1)* %in.gep
%result = shl <4 x i16> %vgpr, <i16 8, i16 8, i16 8, i16 8>
store <4 x i16> %result, <4 x i16> addrspace(1)* %out.gep
ret void
}
declare i32 @llvm.amdgcn.workitem.id.x() #1
attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }