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MIR Serialization: Connect the machine function analysis pass to the MIR parser.

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This commit connects the machine function analysis pass (which creates machine
functions) to the MIR parser, which will initialize the machine functions 
with the state from the MIR file and reconstruct the machine IR.

This commit introduces a new interface called 'MachineFunctionInitializer',
which can be used to provide custom initialization for the machine functions.

This commit also introduces a new diagnostic class called 
'DiagnosticInfoMIRParser' which is used for MIR parsing errors.
This commit modifies the default diagnostic handling in LLVMContext - now the
the diagnostics are printed directly into llvm::errs() so that the MIR parsing 
errors can be printed with colours.  

Reviewers: Justin Bogner

Differential Revision: http://reviews.llvm.org/D9928


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239753 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz
2015-06-15 20:30:22 +00:00
parent e99f30c57b
commit a15d888abf
22 changed files with 312 additions and 105 deletions
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19
lib/CodeGen/LLVMTargetMachine.cpp
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@ -87,11 +87,11 @@ TargetIRAnalysis LLVMTargetMachine::getTargetIRAnalysis() {
}
/// addPassesToX helper drives creation and initialization of TargetPassConfig.
static MCContext *addPassesToGenerateCode(LLVMTargetMachine *TM,
PassManagerBase &PM,
bool DisableVerify,
AnalysisID StartAfter,
AnalysisID StopAfter) {
static MCContext *
addPassesToGenerateCode(LLVMTargetMachine *TM, PassManagerBase &PM,
bool DisableVerify, AnalysisID StartAfter,
AnalysisID StopAfter,
MachineFunctionInitializer *MFInitializer = nullptr) {
// Add internal analysis passes from the target machine.
PM.add(createTargetTransformInfoWrapperPass(TM->getTargetIRAnalysis()));
@ -121,7 +121,7 @@ static MCContext *addPassesToGenerateCode(LLVMTargetMachine *TM,
PM.add(MMI);
// Set up a MachineFunction for the rest of CodeGen to work on.
PM.add(new MachineFunctionAnalysis(*TM));
PM.add(new MachineFunctionAnalysis(*TM, MFInitializer));
// Enable FastISel with -fast, but allow that to be overridden.
if (EnableFastISelOption == cl::BOU_TRUE ||
@ -142,10 +142,11 @@ static MCContext *addPassesToGenerateCode(LLVMTargetMachine *TM,
bool LLVMTargetMachine::addPassesToEmitFile(
PassManagerBase &PM, raw_pwrite_stream &Out, CodeGenFileType FileType,
bool DisableVerify, AnalysisID StartAfter, AnalysisID StopAfter) {
bool DisableVerify, AnalysisID StartAfter, AnalysisID StopAfter,
MachineFunctionInitializer *MFInitializer) {
// Add common CodeGen passes.
MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify,
StartAfter, StopAfter);
MCContext *Context = addPassesToGenerateCode(
this, PM, DisableVerify, StartAfter, StopAfter, MFInitializer);
if (!Context)
return true;