From 7faca7066c30d6e663b268dc1e8ec66710ae3dd5 Mon Sep 17 00:00:00 2001 From: gingerBill Date: Wed, 20 Oct 2021 01:51:16 +0100 Subject: Add builtin `transpose` --- src/llvm_backend_expr.cpp | 133 ++++++---------------------------------------- 1 file changed, 17 insertions(+), 116 deletions(-) (limited to 'src/llvm_backend_expr.cpp') diff --git a/src/llvm_backend_expr.cpp b/src/llvm_backend_expr.cpp index 518ce33af..d41a0a127 100644 --- a/src/llvm_backend_expr.cpp +++ b/src/llvm_backend_expr.cpp @@ -502,116 +502,29 @@ bool lb_matrix_elem_simple(Type *t) { return true; } -LLVMValueRef llvm_matrix_column_major_load(lbProcedure *p, lbValue lhs) { - lbModule *m = p->module; - - Type *mt = base_type(lhs.type); - GB_ASSERT(mt->kind == Type_Matrix); - GB_ASSERT(lb_matrix_elem_simple(mt)); - - - i64 stride = matrix_type_stride_in_elems(mt); - i64 rows = mt->Matrix.row_count; - i64 columns = mt->Matrix.column_count; - unsigned elem_count = cast(unsigned)(rows*columns); - - Type *elem = mt->Matrix.elem; - LLVMTypeRef elem_type = lb_type(m, elem); - - LLVMTypeRef vector_type = LLVMVectorType(elem_type, elem_count); - LLVMTypeRef types[] = {vector_type}; - - char const *name = "llvm.matrix.column.major.load"; - unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name)); - GB_ASSERT_MSG(id != 0, "Unable to find %s", name); - LLVMValueRef ip = LLVMGetIntrinsicDeclaration(m->mod, id, types, gb_count_of(types)); - - lbValue ptr = lb_address_from_load_or_generate_local(p, lhs); - ptr = lb_emit_matrix_epi(p, ptr, 0, 0); - - LLVMValueRef values[5] = {}; - values[0] = ptr.value; - values[1] = lb_const_int(m, t_u64, stride).value; - values[2] = LLVMConstNull(lb_type(m, t_llvm_bool)); - values[3] = lb_const_int(m, t_u32, mt->Matrix.row_count).value; - values[4] = lb_const_int(m, t_u32, mt->Matrix.column_count).value; - - LLVMValueRef call = LLVMBuildCall(p->builder, ip, values, gb_count_of(values), ""); - gb_printf_err("%s\n", LLVMPrintValueToString(call)); - // LLVMAddAttributeAtIndex(call, 0, lb_create_enum_attribute(p->module->ctx, "align", cast(u64)type_align_of(mt))); - return call; -} - -void llvm_matrix_column_major_store(lbProcedure *p, lbAddr addr, LLVMValueRef vector_value) { - lbModule *m = p->module; - - Type *mt = base_type(lb_addr_type(addr)); +lbValue lb_emit_matrix_tranpose(lbProcedure *p, lbValue m, Type *type) { + if (is_type_array(m.type)) { + m.type = type; + return m; + } + Type *mt = base_type(m.type); GB_ASSERT(mt->kind == Type_Matrix); - GB_ASSERT(lb_matrix_elem_simple(mt)); - - LLVMTypeRef vector_type = LLVMTypeOf(vector_value); - LLVMTypeRef types[] = {vector_type}; - - char const *name = "llvm.matrix.column.major.store"; - unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name)); - GB_ASSERT_MSG(id != 0, "Unable to find %s", name); - LLVMValueRef ip = LLVMGetIntrinsicDeclaration(m->mod, id, types, gb_count_of(types)); - - lbValue ptr = lb_addr_get_ptr(p, addr); - ptr = lb_emit_matrix_epi(p, ptr, 0, 0); - - unsigned vector_size = LLVMGetVectorSize(vector_type); - GB_ASSERT((mt->Matrix.row_count*mt->Matrix.column_count) == cast(i64)vector_size); - i64 stride = matrix_type_stride_in_elems(mt); - - LLVMValueRef values[6] = {}; - values[0] = vector_value; - values[1] = ptr.value; - values[2] = lb_const_int(m, t_u64, stride).value; - values[3] = LLVMConstNull(lb_type(m, t_llvm_bool)); - values[4] = lb_const_int(m, t_u32, mt->Matrix.row_count).value; - values[5] = lb_const_int(m, t_u32, mt->Matrix.column_count).value; + lbAddr res = lb_add_local_generated(p, type, true); - LLVMValueRef call = LLVMBuildCall(p->builder, ip, values, gb_count_of(values), ""); - gb_printf_err("%s\n", LLVMPrintValueToString(call)); - // LLVMAddAttributeAtIndex(call, 1, lb_create_enum_attribute(p->module->ctx, "align", cast(u64)type_align_of(mt))); - gb_unused(call); -} - + i64 row_count = mt->Matrix.row_count; + i64 column_count = mt->Matrix.column_count; + for (i64 j = 0; j < column_count; j++) { + for (i64 i = 0; i < row_count; i++) { + lbValue src = lb_emit_matrix_ev(p, m, i, j); + lbValue dst = lb_emit_matrix_epi(p, res.addr, j, i); + lb_emit_store(p, dst, src); + } + } + return lb_addr_load(p, res); -LLVMValueRef llvm_matrix_multiply(lbProcedure *p, LLVMValueRef a, LLVMValueRef b, i64 outer_rows, i64 inner, i64 outer_columns) { - lbModule *m = p->module; - - LLVMTypeRef a_type = LLVMTypeOf(a); - LLVMTypeRef b_type = LLVMTypeOf(b); - - GB_ASSERT(LLVMGetElementType(a_type) == LLVMGetElementType(b_type)); - - LLVMTypeRef elem_type = LLVMGetElementType(a_type); - - LLVMTypeRef res_vector_type = LLVMVectorType(elem_type, cast(unsigned)(outer_rows*outer_columns)); - - LLVMTypeRef types[] = {res_vector_type, a_type, b_type}; - - char const *name = "llvm.matrix.multiply"; - unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name)); - GB_ASSERT_MSG(id != 0, "Unable to find %s", name); - LLVMValueRef ip = LLVMGetIntrinsicDeclaration(m->mod, id, types, gb_count_of(types)); - - LLVMValueRef values[5] = {}; - values[0] = a; - values[1] = b; - values[2] = lb_const_int(m, t_u32, outer_rows).value; - values[3] = lb_const_int(m, t_u32, inner).value; - values[4] = lb_const_int(m, t_u32, outer_columns).value; - - LLVMValueRef call = LLVMBuildCall(p->builder, ip, values, gb_count_of(values), ""); - gb_printf_err("%s\n", LLVMPrintValueToString(call)); - return call; } - lbValue lb_emit_matrix_mul(lbProcedure *p, lbValue lhs, lbValue rhs, Type *type) { Type *xt = base_type(lhs.type); Type *yt = base_type(rhs.type); @@ -626,18 +539,6 @@ lbValue lb_emit_matrix_mul(lbProcedure *p, lbValue lhs, lbValue rhs, Type *type) goto slow_form; } - if (false) { - // TODO(bill): LLVM ERROR: Do not know how to split the result of this operator! - lbAddr res = lb_add_local_generated(p, type, true); - - LLVMValueRef a = llvm_matrix_column_major_load(p, lhs); gb_unused(a); - LLVMValueRef b = llvm_matrix_column_major_load(p, rhs); gb_unused(b); - LLVMValueRef c = llvm_matrix_multiply(p, a, b, xt->Matrix.row_count, xt->Matrix.column_count, yt->Matrix.column_count); gb_unused(c); - llvm_matrix_column_major_store(p, res, c); - - return lb_addr_load(p, res); - } - slow_form: { Type *elem = xt->Matrix.elem; -- cgit v1.2.3