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This commit is contained in:
Chad Stearns 2020-06-21 14:02:52 -04:00
parent 3af1632ede
commit 10aa44e12b
1 changed files with 7 additions and 0 deletions
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compiler/gen/src/llvm/build.rs
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@ -1483,6 +1483,13 @@ fn call_with_args<'a, 'ctx, 'env>(
let (elem, elem_layout) = args[1]; let (elem, elem_layout) = args[1];
let elem_type = basic_type_from_layout(env.arena, ctx, elem_layout, env.ptr_bytes); let elem_type = basic_type_from_layout(env.arena, ctx, elem_layout, env.ptr_bytes);
// list_len > 0
// We have to do a loop below, continuously adding the `elem`
// to the output list `List elem` until we have reached the
// number of repeats. This `comparison` is used to check
// if we need to do any looping; because if we dont, then we
// dont need to allocate memory for the index or the check
// if index != 0
let comparison = builder.build_int_compare( let comparison = builder.build_int_compare(
IntPredicate::UGT, IntPredicate::UGT,
list_len, list_len,