From 7d3223eef2982d7acdfb24facde6605fd9a8b5e8 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Thu, 7 Dec 2006 02:25:34 +0000 Subject: [PATCH] Initialize {Min|Max}CSFrameIndex properly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32299 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/PrologEpilogInserter.cpp | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/lib/CodeGen/PrologEpilogInserter.cpp b/lib/CodeGen/PrologEpilogInserter.cpp index 5a18b920fc9..9bcc6f2a436 100644 --- a/lib/CodeGen/PrologEpilogInserter.cpp +++ b/lib/CodeGen/PrologEpilogInserter.cpp @@ -115,6 +115,10 @@ void PEI::calculateCalleeSavedRegisters(MachineFunction &Fn) { int FrameSetupOpcode = RegInfo->getCallFrameSetupOpcode(); int FrameDestroyOpcode = RegInfo->getCallFrameDestroyOpcode(); + // These are used to keep track the callee-save area. Initialize them. + MinCSFrameIndex = INT_MAX; + MaxCSFrameIndex = 0; + // Early exit for targets which have no callee saved registers and no call // frame setup/destroy pseudo instructions. if ((CSRegs == 0 || CSRegs[0] == 0) && @@ -174,8 +178,6 @@ void PEI::calculateCalleeSavedRegisters(MachineFunction &Fn) { // Now that we know which registers need to be saved and restored, allocate // stack slots for them. - MinCSFrameIndex = INT_MAX; - MaxCSFrameIndex = 0; for (unsigned i = 0, e = CSI.size(); i != e; ++i) { unsigned Reg = CSI[i].getReg(); const TargetRegisterClass *RC = CSI[i].getRegClass();