commit b29d7d25423bc91a06a8a16aee3ff0ea96980706
author Bob Wilson <bob.wilson@apple.com> Sun Feb 28 05:34:05 2010 +0000
committer Bob Wilson <bob.wilson@apple.com> Sun Feb 28 05:34:05 2010 +0000
tree c56862b5ea1e4c999e8da48020334cc73ad83341
parent e12b73816b50bbe2cc54b8005d86c95413b4f465

Revert r97245 which seems to be causing performance problems.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97366 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/GVN.cpp

diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp
index c9a66fe..f7470c3 100644
--- a/lib/Transforms/Scalar/GVN.cpp
+++ b/lib/Transforms/Scalar/GVN.cpp
@@ -60,6 +60,7 @@
 static cl::opt<bool> EnablePRE("enable-pre",
                                cl::init(true), cl::Hidden);
 static cl::opt<bool> EnableLoadPRE("enable-load-pre", cl::init(true));
+static cl::opt<bool> EnableFullLoadPRE("enable-full-load-pre", cl::init(false));
 
 //===----------------------------------------------------------------------===//
 //                         ValueTable Class
@@ -661,12 +662,10 @@
     bool runOnFunction(Function &F);
   public:
     static char ID; // Pass identification, replacement for typeid
-    explicit GVN(bool fullloadpre = true, bool noloads = false)
-      : FunctionPass(&ID), EnableFullLoadPRE(fullloadpre),
-        NoLoads(noloads), MD(0) { }
+    explicit GVN(bool noloads = false)
+      : FunctionPass(&ID), NoLoads(noloads), MD(0) { }
 
   private:
-    bool EnableFullLoadPRE;
     bool NoLoads;
     MemoryDependenceAnalysis *MD;
     DominatorTree *DT;
@@ -711,8 +710,8 @@
 }
 
 // createGVNPass - The public interface to this file...
-FunctionPass *llvm::createGVNPass(bool EnableFullLoadPRE, bool NoLoads) {
-  return new GVN(EnableFullLoadPRE, NoLoads);
+FunctionPass *llvm::createGVNPass(bool NoLoads) {
+  return new GVN(NoLoads);
 }
 
 static RegisterPass<GVN> X("gvn",