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https://github.com/roc-lang/roc.git
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Regress to functional first loop, and no second loop
This commit is contained in:
Chad Stearns
parent
a5462b1043
commit
c9869e67c1
1 changed files with 76 additions and 158 deletions
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@ -1933,164 +1933,6 @@ fn run_low_level<'a, 'ctx, 'env>(
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"add_list_lenghts",
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);
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let index_name = "#index";
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// FIRST LOOP
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let first_start_alloca =
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builder.build_alloca(ctx.i64_type(), index_name);
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let first_index = ctx.i64_type().const_int(0, false);
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builder.build_store(first_start_alloca, first_index);
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let first_loop_bb =
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ctx.append_basic_block(parent, "first_list_append_loop");
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builder.build_unconditional_branch(first_loop_bb);
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builder.position_at_end(first_loop_bb);
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// #index = #index + 1
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let curr_first_index = builder
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.build_load(first_start_alloca, index_name)
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.into_int_value();
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let next_first_index = builder.build_int_add(
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curr_first_index,
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ctx.i64_type().const_int(1, false),
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"nextindex",
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);
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builder.build_store(first_start_alloca, next_first_index);
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let ptr_type = get_ptr_type(&elem_type, AddressSpace::Generic);
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let first_list_ptr =
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load_list_ptr(builder, first_list_wrapper, ptr_type);
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// The pointer to the element in the first list
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let first_list_elem_ptr = unsafe {
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builder.build_in_bounds_gep(
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first_list_ptr,
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&[curr_first_index],
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"load_index",
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)
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};
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// The pointer to the element from the first list
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// in the combined list
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let first_combined_list_ptr = unsafe {
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builder.build_in_bounds_gep(
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first_list_ptr,
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&[curr_first_index],
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"load_index_reversed_list",
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)
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};
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let elem_from_first_list =
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builder.build_load(first_list_elem_ptr, "get_elem");
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// Mutate the new array in-place to change the element.
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builder
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.build_store(first_combined_list_ptr, elem_from_first_list);
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// #index < first_list_len
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let first_loop_end_cond = builder.build_int_compare(
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IntPredicate::ULT,
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first_list_len,
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curr_first_index,
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"loopcond",
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);
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let after_first_loop_bb =
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ctx.append_basic_block(parent, "after_first_loop");
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builder.build_conditional_branch(
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first_loop_end_cond,
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first_loop_bb,
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after_first_loop_bb,
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);
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builder.position_at_end(after_first_loop_bb);
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// SECOND LOOP
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let second_index_name = "#secondindex";
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let second_start_alloca =
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builder.build_alloca(ctx.i64_type(), second_index_name);
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let second_index = ctx.i64_type().const_int(0, false);
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builder.build_store(second_start_alloca, second_index);
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let second_loop_bb =
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ctx.append_basic_block(parent, "second_list_append_loop");
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builder.build_unconditional_branch(second_loop_bb);
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builder.position_at_end(second_loop_bb);
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// #index = #index + 1
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let curr_second_index = builder
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.build_load(second_start_alloca, second_index_name)
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.into_int_value();
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let next_second_index = builder.build_int_add(
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curr_second_index,
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ctx.i64_type().const_int(1, false),
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"nextindex",
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);
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builder.build_store(second_start_alloca, next_second_index);
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let ptr_type = get_ptr_type(&elem_type, AddressSpace::Generic);
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let second_list_ptr =
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load_list_ptr(builder, second_list_wrapper, ptr_type);
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// The pointer to the element in the second list
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let second_list_elem_ptr = unsafe {
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builder.build_in_bounds_gep(
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second_list_ptr,
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&[curr_second_index],
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"load_index",
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)
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};
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// The pointer to the element from the second list
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// in the combined list
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let second_combined_list_ptr = unsafe {
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builder.build_in_bounds_gep(
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second_list_ptr,
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&[builder.build_int_add(
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curr_second_index,
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first_list_len,
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"second_index_plus_first_list_len",
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)],
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"load_index_reversed_list",
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)
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};
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let elem_from_second_list =
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builder.build_load(second_list_elem_ptr, "get_elem");
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// Mutate the new array in-place to change the element.
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builder.build_store(
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second_combined_list_ptr,
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elem_from_second_list,
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);
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// #index < second_list_len
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let second_loop_end_cond = builder.build_int_compare(
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IntPredicate::ULT,
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second_list_len,
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curr_second_index,
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"loopcond",
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);
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let after_second_loop_bb =
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ctx.append_basic_block(parent, "after_second_loop");
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builder.build_conditional_branch(
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second_loop_end_cond,
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second_loop_bb,
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after_second_loop_bb,
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);
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builder.position_at_end(after_second_loop_bb);
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// END
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let combined_list_ptr = env
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.builder
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.build_array_malloc(
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@ -2100,6 +1942,82 @@ fn run_low_level<'a, 'ctx, 'env>(
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)
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.unwrap();
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let index_name = "#index";
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// FIRST LOOP
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let start_alloca =
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builder.build_alloca(ctx.i64_type(), index_name);
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let index = ctx.i64_type().const_int(0, false);
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builder.build_store(start_alloca, index);
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let loop_bb =
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ctx.append_basic_block(parent, "first_list_append_loop");
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builder.build_unconditional_branch(loop_bb);
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builder.position_at_end(loop_bb);
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// #index = #index + 1
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let curr_index = builder
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.build_load(start_alloca, index_name)
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.into_int_value();
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let next_index = builder.build_int_add(
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curr_index,
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ctx.i64_type().const_int(1, false),
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"nextindex",
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);
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builder.build_store(start_alloca, next_index);
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let ptr_type = get_ptr_type(&elem_type, AddressSpace::Generic);
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let list_ptr =
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load_list_ptr(builder, first_list_wrapper, ptr_type);
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// The pointer to the element in the first list
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let first_list_elem_ptr = unsafe {
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builder.build_in_bounds_gep(
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list_ptr,
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&[curr_index],
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"load_index",
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)
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};
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// The pointer to the element from the first list
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// in the combined list
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let combined_list_elem_ptr = unsafe {
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builder.build_in_bounds_gep(
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combined_list_ptr,
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&[curr_index],
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"load_index_reversed_list",
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)
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};
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let elem = builder.build_load(first_list_elem_ptr, "get_elem");
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// Mutate the new array in-place to change the element.
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builder.build_store(combined_list_elem_ptr, elem);
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// #index < first_list_len
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let loop_end_cond = builder.build_int_compare(
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IntPredicate::ULT,
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first_list_len,
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curr_index,
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"loopcond",
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);
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let after_loop_bb =
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ctx.append_basic_block(parent, "after_first_loop");
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builder.build_conditional_branch(
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loop_end_cond,
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loop_bb,
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after_loop_bb,
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);
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builder.position_at_end(after_loop_bb);
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// END
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let ptr_bytes = env.ptr_bytes;
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let int_type = ptr_int(ctx, ptr_bytes);
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let ptr_as_int = builder.build_ptr_to_int(
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