From 8258530c39c347ca83fdbe7575460712960a83f3 Mon Sep 17 00:00:00 2001
From: mlugg <mlugg@mlugg.co.uk>
Date: Sun, 9 Apr 2023 01:32:53 +0100
Subject: Liveness: control flow analysis

This is a partial rewrite of Liveness, so has some other notable changes:
- A proper multi-pass system to prevent code duplication
- Better logging
- Minor bugfixes
---
 src/codegen/c.zig | 5 -----
 1 file changed, 5 deletions(-)

(limited to 'src/codegen')

diff --git a/src/codegen/c.zig b/src/codegen/c.zig
index f659827f09..9a89574b38 100644
--- a/src/codegen/c.zig
+++ b/src/codegen/c.zig
@@ -4637,17 +4637,12 @@ fn airLoop(f: *Function, inst: Air.Inst.Index) !CValue {
     const ty_pl = f.air.instructions.items(.data)[inst].ty_pl;
     const loop = f.air.extraData(Air.Block, ty_pl.payload);
     const body = f.air.extra[loop.end..][0..loop.data.body_len];
-    const liveness_loop = f.liveness.getLoop(inst);
     const writer = f.object.writer();
 
     try writer.writeAll("for (;;) ");
     try genBody(f, body);
     try writer.writeByte('\n');
 
-    for (liveness_loop.deaths) |operand| {
-        try die(f, inst, Air.indexToRef(operand));
-    }
-
     return .none;
 }
 
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