From fbf40424f4d3a9aecc7fe528d7503619738ce542 Mon Sep 17 00:00:00 2001
From: FICTURE7 <FICTURE7@gmail.com>
Date: Tue, 19 Oct 2021 02:51:22 +0400
Subject: Add an early `TailMerge` pass (#2721)

* Add an early `TailMerge` pass

Some translations can have a lot of guest calls and since for each guest
call there is a call guard which may return. This can produce a lot of
epilogue code for returns. This pass merges the epilogue into a single
block.

```
Using filter 'hcq'.
Using metric 'code size'.

Total diff: -1648111 (-7.19 %) (bytes):
  Base: 22913847
  Diff: 21265736

Improved: 4567, regressed: 14, unchanged: 144
```

* Set PTC version

* Address feedback

* Handle `void` returning functions

* Actually handle `void` returning functions

* Fix `RegisterToLocal` logging
---
 ARMeilleure/Diagnostics/PassName.cs | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'ARMeilleure/Diagnostics')

diff --git a/ARMeilleure/Diagnostics/PassName.cs b/ARMeilleure/Diagnostics/PassName.cs
index e3743985..e34bf0d2 100644
--- a/ARMeilleure/Diagnostics/PassName.cs
+++ b/ARMeilleure/Diagnostics/PassName.cs
@@ -5,8 +5,10 @@ namespace ARMeilleure.Diagnostics
         Decoding,
         Translation,
         RegisterUsage,
+        TailMerge,
         Dominance,
         SsaConstruction,
+        RegisterToLocal,
         Optimization,
         PreAllocation,
         RegisterAllocation,
-- 
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