From aaf723dd2bccc052d2dd28e3cc4db76f2a3e2fb0 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Sat, 5 May 2012 12:49:14 +0000
Subject: Add a new target hook "predictableSelectIsExpensive".

This will be used to determine whether it's profitable to turn a select into a
branch when the branch is likely to be predicted.

Currently enabled for everything but Atom on X86 and Cortex-A9 devices on ARM.

I'm not entirely happy with the name of this flag, suggestions welcome ;)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156233 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/TargetLowering.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'lib/CodeGen/SelectionDAG/TargetLowering.cpp')

diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 5132f01e86..5c9dc47237 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -605,6 +605,7 @@ TargetLowering::TargetLowering(const TargetMachine &tm,
   IntDivIsCheap = false;
   Pow2DivIsCheap = false;
   JumpIsExpensive = false;
+  predictableSelectIsExpensive = false;
   StackPointerRegisterToSaveRestore = 0;
   ExceptionPointerRegister = 0;
   ExceptionSelectorRegister = 0;
-- 
cgit v1.2.3-18-g5258