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TERRIBLE HACK to support x86 compilation

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Ayaz Hafiz 2023-06-15 15:04:43 -05:00 • committed by Ayaz Hafiz
parent 5488b3a3eb
commit 2294f6994f
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GPG key ID: 0E2A37416A25EF58
5 changed files with 149 additions and 16 deletions
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13
crates/compiler/gen_llvm/src/llvm/convert.rs
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@ -444,17 +444,20 @@ impl<'ctx> RocUnion<'ctx> {
data_layout.stack_size_and_alignment(layout_interner, env.target_info);
if payload_stack_size > 0 {
let bytes_to_memcpy = env
.context
.i32_type()
.const_int(payload_stack_size as _, false);
let bytes_to_memcpy = payload_data_ptr
.get_type()
.get_element_type()
.size_of()
.unwrap();
let align_bytes =
data_layout.alignment_bytes_for_llvm(layout_interner, env.target_info);
env.builder
.build_memcpy(
cast_tag_pointer,
self.data_align,
payload_data_ptr,
payload_align,
align_bytes,
bytes_to_memcpy
)
.unwrap_or_else(|e|internal_error!( "memcpy invariants must have been upheld: {e:?}. Union data align={}, source data align={}.", self.data_align, payload_align));