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Remove dead let-identifier code

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This commit is contained in:
Ayaz Hafiz 2022-05-07 15:01:04 -04:00
parent 24279e12d0
commit 02bff35203
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GPG key ID: 0E2A37416A25EF58
1 changed files with 34 additions and 52 deletions
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24
compiler/mono/src/ir.rs
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@ -15,6 +15,7 @@ use roc_debug_flags::{
dbg_do, ROC_PRINT_IR_AFTER_REFCOUNT, ROC_PRINT_IR_AFTER_RESET_REUSE,
ROC_PRINT_IR_AFTER_SPECIALIZATION,
};
use roc_error_macros::internal_error;
use roc_exhaustive::{Ctor, CtorName, Guard, RenderAs, TagId};
use roc_module::ident::{ForeignSymbol, Lowercase, TagName};
use roc_module::low_level::LowLevel;
@ -5867,26 +5868,9 @@ pub fn from_can<'a>(
};
if let Pattern::Identifier(symbol) = mono_pattern {
let mut hole =
env.arena
.alloc(from_can(env, variable, cont.value, procs, layout_cache));
for (symbol, variable, expr) in assignments {
let stmt = with_hole(env, expr, variable, procs, layout_cache, symbol, hole);
hole = env.arena.alloc(stmt);
internal_error!("Identifier patterns should be handled in a higher code pass!")
}
with_hole(
env,
def.loc_expr.value,
def.expr_var,
procs,
layout_cache,
symbol,
hole,
)
} else {
// convert the continuation
let mut stmt = from_can(env, variable, cont.value, procs, layout_cache);
@ -5915,8 +5899,7 @@ pub fn from_can<'a>(
store_pattern(env, procs, layout_cache, &mono_pattern, outer_symbol, stmt)
} else {
let outer_symbol = env.unique_symbol();
stmt =
store_pattern(env, procs, layout_cache, &mono_pattern, outer_symbol, stmt);
stmt = store_pattern(env, procs, layout_cache, &mono_pattern, outer_symbol, stmt);
// convert the def body, store in outer_symbol
with_hole(
@ -5930,7 +5913,6 @@ pub fn from_can<'a>(
)
}
}
}
_ => {
let symbol = env.unique_symbol();