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Very basic matrix support in backend

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This commit is contained in:
gingerBill
2021-10-18 18:16:52 +01:00
parent 4c655865e5
commit ba331024af
8 changed files with 364 additions and 8 deletions
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src/llvm_backend_const.cpp
+28
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@@ -512,6 +512,34 @@ lbValue lb_const_value(lbModule *m, Type *type, ExactValue value, bool allow_loc
res.value = llvm_const_array(lb_type(m, elem), elems, cast(unsigned)count);
return res;
} else if (is_type_matrix(type) &&
value.kind != ExactValue_Invalid &&
value.kind != ExactValue_Compound) {
i64 row = type->Matrix.row_count;
i64 column = type->Matrix.column_count;
GB_ASSERT(row == column);
Type *elem = type->Matrix.elem;
lbValue single_elem = lb_const_value(m, elem, value, allow_local);
single_elem.value = llvm_const_cast(single_elem.value, lb_type(m, elem));
i64 stride_bytes = matrix_type_stride(type);
i64 stride_elems = stride_bytes/type_size_of(elem);
i64 total_elem_count = matrix_type_total_elems(type);
LLVMValueRef *elems = gb_alloc_array(permanent_allocator(), LLVMValueRef, cast(isize)total_elem_count);
for (i64 i = 0; i < row; i++) {
elems[i*stride_elems + i] = single_elem.value;
}
for (i64 i = 0; i < total_elem_count; i++) {
if (elems[i] == nullptr) {
elems[i] = LLVMConstNull(lb_type(m, elem));
}
}
res.value = LLVMConstArray(lb_type(m, elem), elems, cast(unsigned)total_elem_count);
return res;
}
switch (value.kind) {