From d21968d11a715b60091cc26ffb8f92f7983ae263 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Wed, 25 Apr 2007 22:10:09 +0000
Subject: Change UsedPhysRegs from array bool to BitVector to save some space.
 Setting / getting its states now go through MachineFunction.

llvm-svn: 36451
---
 llvm/lib/CodeGen/MachineFunction.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'llvm/lib/CodeGen/MachineFunction.cpp')

diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index 4453be80c1c..29eee3612f6 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -114,11 +114,12 @@ void ilist_traits<MachineBasicBlock>::transferNodesFromList(
 
 MachineFunction::MachineFunction(const Function *F,
                                  const TargetMachine &TM)
-  : Annotation(MF_AID), Fn(F), Target(TM), UsedPhysRegs(0) {
+  : Annotation(MF_AID), Fn(F), Target(TM) {
   SSARegMapping = new SSARegMap();
   MFInfo = 0;
   FrameInfo = new MachineFrameInfo();
   ConstantPool = new MachineConstantPool(TM.getTargetData());
+  UsedPhysRegs.resize(TM.getRegisterInfo()->getNumRegs());
   
   // Set up jump table.
   const TargetData &TD = *TM.getTargetData();
@@ -138,7 +139,6 @@ MachineFunction::~MachineFunction() {
   delete FrameInfo;
   delete ConstantPool;
   delete JumpTableInfo;
-  delete[] UsedPhysRegs;
 }
 
 
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