From: Jim Laskey <jlaskey@mac.com>
Date: Tue, 24 Oct 2006 16:11:49 +0000 (+0000)
Subject: Don't do dead block elimination in fast mode.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=62d07d6acef9f5fd807b98a509d164bd3d6f0187;p=oota-llvm.git

Don't do dead block elimination in fast mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31155 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index 18ab2184568..b12634ae281 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -64,7 +64,8 @@ bool LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
   PM.add(createPrologEpilogCodeInserter());
   
   // Branch folding must be run after regalloc and prolog/epilog insertion.
-  PM.add(createBranchFoldingPass());
+  if (!Fast)
+    PM.add(createBranchFoldingPass());
   
   if (PrintMachineCode)  // Print the register-allocated code
     PM.add(createMachineFunctionPrinterPass(&std::cerr));