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feat(normalization): Phase 142 P0 - Loop statement-level normalization

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Phase 142-loopstmt P0: Statement-level normalization

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
This commit is contained in:
tomoaki
2025-12-19 05:28:49 +09:00
parent 275fe45ba4
commit 4082abb30c
23 changed files with 1610 additions and 246 deletions
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11
src/mir/builder/control_flow/joinir/merge/instruction_rewriter.rs
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@ -651,10 +651,13 @@ pub(super) fn merge_and_rewrite(
}
// Phase 33-20: Also set latch incoming for other carriers from exit_bindings
// Phase 176-4 FIX: exit_bindings may include the loop variable itself
// We need to skip it since it's already handled above via boundary.loop_var_name
// The remaining non-loop-variable carriers are ordered to match args[1..] (after the loop variable)
let mut carrier_arg_idx = 1; // Start from args[1] (args[0] is loop variable)
//
// args layout depends on whether we have a dedicated loop variable:
// - loop_var_name = Some(..): args[0] is the loop variable, args[1..] are other carriers
// - loop_var_name = None: args[0..] are carriers (no reserved loop-var slot)
//
// Phase 176-4 FIX: exit_bindings may include the loop variable itself; skip it when loop_var_name is set.
let mut carrier_arg_idx = if b.loop_var_name.is_some() { 1 } else { 0 };
for binding in b.exit_bindings.iter() {
// Skip if this binding is for the loop variable (already handled)
if let Some(ref loop_var) = b.loop_var_name {