From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Thu, 3 Jun 2010 00:39:06 +0000 (+0000)
Subject: Use the fast register allocator by default for -O0 builds.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=8b89c64b5ca469366b8cde5a242ac41c040bb1aa;p=oota-llvm.git

Use the fast register allocator by default for -O0 builds.

This affects both llvm-gcc and clang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105372 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/Passes.cpp b/lib/CodeGen/Passes.cpp
index 09123fe1b1e..3489db2e9f4 100644
--- a/lib/CodeGen/Passes.cpp
+++ b/lib/CodeGen/Passes.cpp
@@ -61,7 +61,7 @@ FunctionPass *llvm::createRegisterAllocator(CodeGenOpt::Level OptLevel) {
   // When the 'default' allocator is requested, pick one based on OptLevel.
   switch (OptLevel) {
   case CodeGenOpt::None:
-    return createLocalRegisterAllocator();
+    return createFastRegisterAllocator();
   default:
     return createLinearScanRegisterAllocator();
   }