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change pattern destructuring stores

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they are now tracked in the Cond/Switch variants, rather than merged into the branch constructors. Required for 'beans'
This commit is contained in:
Folkert 2020-03-23 23:35:45 +01:00
parent 2bb69f333f
commit 958f3f9ad4
6 changed files with 157 additions and 101 deletions
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24
compiler/gen/src/llvm/build.rs
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@ -57,14 +57,17 @@ pub fn build_expr<'a, 'ctx, 'env>(
Bool(b) => env.context.bool_type().const_int(*b as u64, false).into(),
Byte(b) => env.context.i8_type().const_int(*b as u64, false).into(),
Cond {
cond,
pass,
fail,
branch_symbol,
pass: (pass_stores, pass_expr),
fail: (fail_stores, fail_expr),
ret_layout,
..
} => {
let pass = env.arena.alloc(Expr::Store(pass_stores, pass_expr));
let fail = env.arena.alloc(Expr::Store(fail_stores, fail_expr));
let conditional = Branch2 {
cond,
cond: branch_symbol,
pass,
fail,
ret_layout: ret_layout.clone(),
@ -75,16 +78,25 @@ pub fn build_expr<'a, 'ctx, 'env>(
Switch {
cond,
branches,
default_branch,
default_branch: (default_stores, default_expr),
ret_layout,
cond_layout,
} => {
let ret_type =
basic_type_from_layout(env.arena, env.context, &ret_layout, env.ptr_bytes);
let default_branch = env.arena.alloc(Expr::Store(default_stores, default_expr));
let mut combined = Vec::with_capacity_in(branches.len(), env.arena);
for (int, stores, expr) in branches.iter() {
combined.push((*int, Expr::Store(stores, expr)));
}
let switch_args = SwitchArgs {
cond_layout: cond_layout.clone(),
cond_expr: cond,
branches,
branches: combined.into_bump_slice(),
default_branch,
ret_type,
};