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rearrange MCContext ownership. Before LLVMTargetMachine created it

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and passing off ownership to AsmPrinter.  Now MachineModuleInfo
creates it and owns it by value.  This allows us to use MCSymbols
more consistently throughout the rest of the code generator, and
simplifies a bit of code.  This also allows MachineFunction to 
keep an MCContext reference handy, and cleans up the TargetRegistry
interfaces for AsmPrinters.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98450 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-03-13 20:55:24 +00:00
parent 355471741b
commit 11d53c129f
24 changed files with 116 additions and 116 deletions
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20
lib/CodeGen/MachineModuleInfo.cpp
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@ -29,7 +29,7 @@ using namespace llvm::dwarf;
// Handle the Pass registration stuff necessary to use TargetData's.
static RegisterPass<MachineModuleInfo>
X("machinemoduleinfo", "Module Information");
X("machinemoduleinfo", "Machine Module Information");
char MachineModuleInfo::ID = 0;
// Out of line virtual method.
@ -37,17 +37,21 @@ MachineModuleInfoImpl::~MachineModuleInfoImpl() {}
//===----------------------------------------------------------------------===//
MachineModuleInfo::MachineModuleInfo()
: ImmutablePass(&ID)
, ObjFileMMI(0)
, CurCallSite(0)
, CallsEHReturn(0)
, CallsUnwindInit(0)
, DbgInfoAvailable(false) {
MachineModuleInfo::MachineModuleInfo(const MCAsmInfo &MAI)
: ImmutablePass(&ID), Context(MAI),
ObjFileMMI(0), CurCallSite(0), CallsEHReturn(0), CallsUnwindInit(0),
DbgInfoAvailable(false) {
// Always emit some info, by default "no personality" info.
Personalities.push_back(NULL);
}
MachineModuleInfo::MachineModuleInfo()
: ImmutablePass(&ID), Context(*(MCAsmInfo*)0) {
assert(0 && "This MachineModuleInfo constructor should never be called, MMI "
"should always be explicitly constructed by LLVMTargetMachine");
abort();
}
MachineModuleInfo::~MachineModuleInfo() {
delete ObjFileMMI;
}