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Add builtin transpose

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gingerBill
2021-10-20 01:51:16 +01:00
parent 3eaac057da
commit 7faca7066c
5 changed files with 81 additions and 134 deletions
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135
src/llvm_backend_expr.cpp
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@@ -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);
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));
lbAddr res = lb_add_local_generated(p, type, true);
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;
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);
}
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));
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;
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);
}
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;