From 843ee2e6a46b2b2d74a84c2eea68dec35cb359cc Mon Sep 17 00:00:00 2001 From: Andrew Trick Date: Fri, 3 Feb 2012 05:12:41 +0000 Subject: Added TargetPassConfig. The first little step toward configuring codegen passes. Allows command line overrides to be centralized in LLVMTargetMachine.cpp. LLVMTargetMachine can intercept common passes and give precedence to command line overrides. Allows adding "internal" target configuration options without touching TargetOptions. Encapsulates the PassManager. Provides a good point to initialize all CodeGen passes so that Pass ID's can be used in APIs. Allows modifying the target configuration hooks without rebuilding the world. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149672 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/MSP430/MSP430TargetMachine.cpp | 27 ++++++++++++++++++++++++--- 1 file changed, 24 insertions(+), 3 deletions(-) (limited to 'lib/Target/MSP430/MSP430TargetMachine.cpp') diff --git a/lib/Target/MSP430/MSP430TargetMachine.cpp b/lib/Target/MSP430/MSP430TargetMachine.cpp index a0fc3daa3c..a2e97f11e5 100644 --- a/lib/Target/MSP430/MSP430TargetMachine.cpp +++ b/lib/Target/MSP430/MSP430TargetMachine.cpp @@ -38,14 +38,35 @@ MSP430TargetMachine::MSP430TargetMachine(const Target &T, InstrInfo(*this), TLInfo(*this), TSInfo(*this), FrameLowering(Subtarget) { } +namespace { +/// MSP430 Code Generator Pass Configuration Options. +class MSP430PassConfig : public TargetPassConfig { +public: + MSP430PassConfig(MSP430TargetMachine *TM, PassManagerBase &PM, + bool DisableVerifyFlag) + : TargetPassConfig(TM, PM, DisableVerifyFlag) {} -bool MSP430TargetMachine::addInstSelector(PassManagerBase &PM) { + MSP430TargetMachine &getMSP430TargetMachine() const { + return getTM(); + } + + virtual bool addInstSelector(); + virtual bool addPreEmitPass(); +}; +} // namespace + +TargetPassConfig *MSP430TargetMachine::createPassConfig(PassManagerBase &PM, + bool DisableVerify) { + return new MSP430PassConfig(this, PM, DisableVerify); +} + +bool MSP430PassConfig::addInstSelector() { // Install an instruction selector. - PM.add(createMSP430ISelDag(*this, getOptLevel())); + PM.add(createMSP430ISelDag(getMSP430TargetMachine(), getOptLevel())); return false; } -bool MSP430TargetMachine::addPreEmitPass(PassManagerBase &PM) { +bool MSP430PassConfig::addPreEmitPass() { // Must run branch selection immediately preceding the asm printer. PM.add(createMSP430BranchSelectionPass()); return false; -- cgit v1.2.3