From: Chris Lattner <sabre@nondot.org>
Date: Mon, 21 Apr 2008 04:31:40 +0000 (+0000)
Subject: Add jump threading to liblto.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=1d40281ae65bb27445c1b75fc244af6b3a5b5af6;p=oota-llvm.git

Add jump threading to liblto.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50028 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/tools/lto2/LTOCodeGenerator.cpp b/tools/lto2/LTOCodeGenerator.cpp
index 4c5850acb4f..b7962be50be 100644
--- a/tools/lto2/LTOCodeGenerator.cpp
+++ b/tools/lto2/LTOCodeGenerator.cpp
@@ -370,7 +370,7 @@ bool LTOCodeGenerator::generateAssemblyCode(std::ostream& out, std::string& errM
 
     // The IPO passes may leave cruft around.  Clean up after them.
     passes.add(createInstructionCombiningPass());
-
+    passes.add(createJumpThreadingPass());        // Thread jumps.
     passes.add(createScalarReplAggregatesPass()); // Break up allocas
 
     // Run a few AA driven optimizations here and now, to cleanup the code.
@@ -384,6 +384,8 @@ bool LTOCodeGenerator::generateAssemblyCode(std::ostream& out, std::string& errM
     // Cleanup and simplify the code after the scalar optimizations.
     passes.add(createInstructionCombiningPass());
 
+    passes.add(createJumpThreadingPass());        // Thread jumps.
+
     // Delete basic blocks, which optimization passes may have killed...
     passes.add(createCFGSimplificationPass());