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Store first element at clone_ptr so as to avoid allocating for a unique index

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This commit is contained in:
Chad Stearns 2020-07-25 19:24:59 -04:00
parent 68b13d29fd
commit c2351979e0
1 changed files with 1 additions and 9 deletions
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10
compiler/gen/src/llvm/build.rs
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@ -1568,15 +1568,7 @@ fn list_prepend<'a, 'ctx, 'env>(
let int_type = ptr_int(ctx, ptr_bytes); let int_type = ptr_int(ctx, ptr_bytes);
let ptr_as_int = builder.build_ptr_to_int(clone_ptr, int_type, "list_cast_ptr"); let ptr_as_int = builder.build_ptr_to_int(clone_ptr, int_type, "list_cast_ptr");
let elem_ptr = unsafe { builder.build_store(clone, elem);
builder.build_in_bounds_gep(
clone_ptr,
&[ctx.i64_type().const_int(0 as u64, false)],
"load_index",
)
};
builder.build_store(elem_ptr, elem);
let index_1_ptr = unsafe { let index_1_ptr = unsafe {
builder.build_in_bounds_gep( builder.build_in_bounds_gep(