From: Tobias Grosser <grosser@fim.uni-passau.de>
Date: Mon, 25 Oct 2010 15:36:50 +0000 (+0000)
Subject: Reference RegionPass to stop it being eliminated.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d8c5ec6aece5732c766bd7d773ff75976d364168;p=oota-llvm.git

Reference RegionPass to stop it being eliminated.

Contributed by: ether

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117263 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/LinkAllPasses.h b/include/llvm/LinkAllPasses.h
index 7bd365183fa..c2604257133 100644
--- a/include/llvm/LinkAllPasses.h
+++ b/include/llvm/LinkAllPasses.h
@@ -21,6 +21,7 @@
 #include "llvm/Analysis/IntervalPartition.h"
 #include "llvm/Analysis/Passes.h"
 #include "llvm/Analysis/PostDominators.h"
+#include "llvm/Analysis/RegionPass.h"
 #include "llvm/Analysis/RegionPrinter.h"
 #include "llvm/Analysis/ScalarEvolution.h"
 #include "llvm/Analysis/Lint.h"
@@ -151,6 +152,8 @@ namespace {
       (void)new llvm::FindUsedTypes();
       (void)new llvm::ScalarEvolution();
       ((llvm::Function*)0)->viewCFGOnly();
+      llvm::RGPassManager RGM(0);
+      ((llvm::RegionPass*)0)->runOnRegion((llvm::Region*)0, RGM);
       llvm::AliasSetTracker X(*(llvm::AliasAnalysis*)0);
       X.add((llvm::Value*)0, 0, 0);  // for -print-alias-sets
     }