From 9eb2172176189271f6509f13c7b02a892b5e5292 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Tue, 6 May 2003 21:44:54 +0000 Subject: Re-add gross hack, it's still necessary. :( llvm-svn: 6012 --- llvm/lib/CodeGen/LiveVariables.cpp | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'llvm/lib/CodeGen/LiveVariables.cpp') diff --git a/llvm/lib/CodeGen/LiveVariables.cpp b/llvm/lib/CodeGen/LiveVariables.cpp index 83aa385d016..ccaee19529f 100644 --- a/llvm/lib/CodeGen/LiveVariables.cpp +++ b/llvm/lib/CodeGen/LiveVariables.cpp @@ -165,7 +165,12 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &MF) { if (MO.isVirtualRegister() && !MO.getVRegValueOrNull()) { unsigned RegIdx = MO.getReg()-MRegisterInfo::FirstVirtualRegister; HandleVirtRegUse(getVarInfo(RegIdx), MBB, MI); - } else if (MO.isPhysicalRegister() && MO.getReg() != 0) { + } else if (MO.isPhysicalRegister() && MO.getReg() != 0 + /// FIXME: This is a gross hack, due to us not being able to + /// say that some registers are defined on entry to the + /// function. 5 = ESP +&& MO.getReg() != 5 +) { HandlePhysRegUse(MO.getReg(), MI); } } @@ -188,7 +193,12 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &MF) { VRInfo.DefBlock = MBB; // Created here... VRInfo.DefInst = MI; VRInfo.Kills.push_back(std::make_pair(MBB, MI)); // Defaults to dead - } else if (MO.isPhysicalRegister() && MO.getReg() != 0) { + } else if (MO.isPhysicalRegister() && MO.getReg() != 0 + /// FIXME: This is a gross hack, due to us not being able to + /// say that some registers are defined on entry to the + /// function. 5 = ESP +&& MO.getReg() != 5 +) { HandlePhysRegDef(MO.getReg(), MI); } } -- cgit v1.2.3