; RUN: llc -mtriple=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck %s -check-prefixes=GCN,GFX9GFX10 ; RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -verify-machineinstrs < %s | FileCheck %s -check-prefixes=GCN,GFX9GFX10 ; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -mattr=+real-true16 -verify-machineinstrs < %s | FileCheck %s -check-prefixes=GCN,GFX11-TRUE16 ; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -mattr=-real-true16 -verify-machineinstrs < %s | FileCheck %s -check-prefixes=GCN,GFX11-FAKE16 ; RUN: llc -mtriple=amdgcn -mcpu=gfx1150 -mattr=+real-true16 -verify-machineinstrs < %s | FileCheck %s -check-prefixes=GCN,GFX11-TRUE16 ; RUN: llc -mtriple=amdgcn -mcpu=gfx1150 -mattr=-real-true16 -verify-machineinstrs < %s | FileCheck %s -check-prefixes=GCN,GFX11-FAKE16 ; GCN-LABEL: {{^}}dpp_add: ; GCN: global_load_{{dword|b32}} [[V:v[0-9]+]], ; GCN: v_add_{{(nc_)?}}u32_dpp [[V]], [[V]], [[V]] quad_perm:[1,0,0,0] row_mask:0xf bank_mask:0xf bound_ctrl:1{{$}} define amdgpu_kernel void @dpp_add(ptr addrspace(1) %arg) { %id = tail call i32 @llvm.amdgcn.workitem.id.x() %gep = getelementptr inbounds i32, ptr addrspace(1) %arg, i32 %id %load = load i32, ptr addrspace(1) %gep %tmp0 = call i32 @llvm.amdgcn.update.dpp.i32(i32 %load, i32 %load, i32 1, i32 15, i32 15, i1 1) #0 %add = add i32 %tmp0, %load store i32 %add, ptr addrspace(1) %gep ret void } ; GCN-LABEL: {{^}}dpp_ceil: ; GCN: global_load_{{dword|b32}} [[V:v[0-9]+]], ; GCN: v_ceil_f32_dpp [[V]], [[V]] quad_perm:[1,0,0,0] row_mask:0xf bank_mask:0xf bound_ctrl:1{{$}} define amdgpu_kernel void @dpp_ceil(ptr addrspace(1) %arg) { %id = tail call i32 @llvm.amdgcn.workitem.id.x() %gep = getelementptr inbounds i32, ptr addrspace(1) %arg, i32 %id %load = load i32, ptr addrspace(1) %gep %tmp0 = call i32 @llvm.amdgcn.update.dpp.i32(i32 %load, i32 %load, i32 1, i32 15, i32 15, i1 1) #0 %tmp1 = bitcast i32 %tmp0 to float %round = tail call float @llvm.ceil.f32(float %tmp1) %tmp2 = bitcast float %round to i32 store i32 %tmp2, ptr addrspace(1) %gep ret void } ; GCN-LABEL: {{^}}dpp_fadd: ; GCN: global_load_{{dword|b32}} [[V:v[0-9]+]], ; GCN: v_add_f32_dpp [[V]], [[V]], [[V]] quad_perm:[1,0,0,0] row_mask:0xf bank_mask:0xf bound_ctrl:1{{$}} define amdgpu_kernel void @dpp_fadd(ptr addrspace(1) %arg) { %id = tail call i32 @llvm.amdgcn.workitem.id.x() %gep = getelementptr inbounds i32, ptr addrspace(1) %arg, i32 %id %load = load i32, ptr addrspace(1) %gep %tmp0 = call i32 @llvm.amdgcn.update.dpp.i32(i32 %load, i32 %load, i32 1, i32 15, i32 15, i1 1) #0 %tmp1 = bitcast i32 %tmp0 to float %t = bitcast i32 %load to float %add = fadd float %tmp1, %t %tmp2 = bitcast float %add to i32 store i32 %tmp2, ptr addrspace(1) %gep ret void } ; Fails to combine because v_mul_lo_u32 has no e32 or dpp form. ; GCN-LABEL: {{^}}dpp_mul: ; GCN: global_load_{{dword|b32}} [[V:v[0-9]+]], ; GCN: v_mov_b32_e32 [[V2:v[0-9]+]], [[V]] ; GCN: v_mov_b32_dpp [[V2]], [[V2]] quad_perm:[1,0,0,0] row_mask:0xf bank_mask:0xf bound_ctrl:1{{$}} ; GCN: v_mul_lo_u32 [[V]], [[V2]], [[V]]{{$}} define amdgpu_kernel void @dpp_mul(ptr addrspace(1) %arg) { %id = tail call i32 @llvm.amdgcn.workitem.id.x() %gep = getelementptr inbounds i32, ptr addrspace(1) %arg, i32 %id %load = load i32, ptr addrspace(1) %gep %tmp0 = call i32 @llvm.amdgcn.update.dpp.i32(i32 %load, i32 %load, i32 1, i32 15, i32 15, i1 1) %mul = mul i32 %tmp0, %load store i32 %mul, ptr addrspace(1) %gep ret void } ; It is not expected to see a sequence of v_mov_b32_dpp feeding into a 16 bit instruction ; GCN-LABEL: {{^}}dpp_fadd_f16: ; GFX9GFX10: global_load_{{dword|b32}} [[V:v[0-9]+]], ; GFX9GFX10: v_add_f16_dpp [[V]], [[V]], [[V]] quad_perm:[1,0,0,0] row_mask:0xf bank_mask:0xf bound_ctrl:1{{$}} ; GFX11-TRUE16: v_mov_b32_dpp {{v[0-9]+}}, {{v[0-9]+}} quad_perm:[1,0,0,0] row_mask:0xf bank_mask:0xf bound_ctrl:1 ; GFX11-TRUE16: v_add_f16_e32 ; GFX11-FAKE16: global_load_{{dword|b32}} [[V:v[0-9]+]], ; GFX11-FAKE16: v_add_f16_e64_dpp [[V]], [[V]], [[V]] quad_perm:[1,0,0,0] row_mask:0xf bank_mask:0xf bound_ctrl:1 define amdgpu_kernel void @dpp_fadd_f16(ptr addrspace(1) %arg) { %id = tail call i32 @llvm.amdgcn.workitem.id.x() %gep = getelementptr inbounds i32, ptr addrspace(1) %arg, i32 %id %load = load i32, ptr addrspace(1) %gep %tmp0 = call i32 @llvm.amdgcn.update.dpp.i32(i32 %load, i32 %load, i32 1, i32 15, i32 15, i1 1) #0 %tmp01 = trunc i32 %tmp0 to i16 %tmp1 = bitcast i16 %tmp01 to half %tt = trunc i32 %load to i16 %t = bitcast i16 %tt to half %add = fadd half %tmp1, %t %tmp2 = bitcast half %add to i16 %tmp3 = zext i16 %tmp2 to i32 store i32 %tmp3, ptr addrspace(1) %gep ret void } declare i32 @llvm.amdgcn.workitem.id.x() declare i32 @llvm.amdgcn.update.dpp.i32(i32, i32, i32, i32, i32, i1) #0 declare float @llvm.ceil.f32(float) attributes #0 = { nounwind readnone convergent }