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Bring up variables out of inner loop

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This commit is contained in:
Chad Stearns 2020-08-05 23:23:40 -04:00
parent 362d3908d5
commit c73e77b5ef
1 changed files with 9 additions and 19 deletions
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28
compiler/gen/src/llvm/build.rs
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@ -1685,33 +1685,23 @@ fn list_join<'a, 'ctx, 'env>(
builder.build_store(index_alloca, next_index); builder.build_store(index_alloca, next_index);
// The pointer to the list in the outer list (the list of lists) let inner_list_wrapper = {
let (inner_list_len, inner_list_ptr) = {
let wrapper_ptr = unsafe { let wrapper_ptr = unsafe {
builder.build_in_bounds_gep(outer_list_ptr, &[curr_index], "load_index") builder.build_in_bounds_gep(outer_list_ptr, &[curr_index], "load_index")
}; };
let wrapper = builder
.build_load(wrapper_ptr, "inner_list_wrapper")
.into_struct_value();
let elem_ptr_type = get_ptr_type(&elem_type, AddressSpace::Generic);
( builder
load_list_len(builder, wrapper), .build_load(wrapper_ptr, "inner_list_wrapper")
load_list_ptr(builder, wrapper, elem_ptr_type), .into_struct_value()
)
}; };
let inner_list_len = load_list_len(builder, inner_list_wrapper);
let inner_list_ptr = load_list_ptr(builder, inner_list_wrapper, elem_ptr_type);
let inner_index_name = "#inner_index";
let inner_index_alloca = builder.build_alloca(ctx.i64_type(), inner_index_name);
// Inner Loop // Inner Loop
{ {
let dest_elem_ptr = builder
.build_load(dest_elem_ptr_alloca, "load_dest_elem_ptr")
.into_pointer_value();
let inner_index_name = "#inner_index";
let inner_index_alloca =
builder.build_alloca(ctx.i64_type(), inner_index_name);
let inner_list_index = ctx.i64_type().const_int(0, false); let inner_list_index = ctx.i64_type().const_int(0, false);
builder.build_store(inner_index_alloca, inner_list_index); builder.build_store(inner_index_alloca, inner_list_index);