From 5edb7545f20e6c39715a929e7dcb60d56fd870ae Mon Sep 17 00:00:00 2001
From: Frits van Bommel <fvbommel@wxs.nl>
Date: Thu, 4 Jun 2009 15:59:51 +0200
Subject: [PATCH] Move `-tailcallelim` to a place in the optimization sequence
 where it seems to be more useful.

---
 gen/optimizer.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/gen/optimizer.cpp b/gen/optimizer.cpp
index f25354b6..0a800bef 100644
--- a/gen/optimizer.cpp
+++ b/gen/optimizer.cpp
@@ -125,6 +125,9 @@ static void addPassesForOptLevel(PassManager& pm) {
         if (!disableLangSpecificPasses && !disableGCToStack)
             addPass(pm, createGarbageCollect2Stack());
 #endif
+
+        addPass(pm, createTailCallEliminationPass());
+        addPass(pm, createCFGSimplificationPass());
     }
 
     // -inline
@@ -182,8 +185,6 @@ static void addPassesForOptLevel(PassManager& pm) {
         addPass(pm, createInstructionCombiningPass());
         addPass(pm, createCondPropagationPass());
 
-        addPass(pm, createTailCallEliminationPass());
-        addPass(pm, createCFGSimplificationPass());
         addPass(pm, createReassociatePass());
         addPass(pm, createLoopRotatePass());
         addPass(pm, createLICMPass());