From 3dfe6100134a4519a2a5526a1cadb1e951cd1921 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Fri, 21 Aug 2009 23:12:47 +0000 Subject: [PATCH] Revert r79563 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79691 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/PIC16/PIC16Passes/Makefile | 16 -- .../PIC16/PIC16Passes/PIC16CallGraph.cpp | 161 ------------------ 2 files changed, 177 deletions(-) delete mode 100644 lib/Target/PIC16/PIC16Passes/Makefile delete mode 100644 lib/Target/PIC16/PIC16Passes/PIC16CallGraph.cpp diff --git a/lib/Target/PIC16/PIC16Passes/Makefile b/lib/Target/PIC16/PIC16Passes/Makefile deleted file mode 100644 index 919562106a1..00000000000 --- a/lib/Target/PIC16/PIC16Passes/Makefile +++ /dev/null @@ -1,16 +0,0 @@ -##===- lib/Target/PIC16/Makefile ---------------------------*- Makefile -*-===## -# -# The LLVM Compiler Infrastructure -# -# This file is distributed under the University of Illinois Open Source -# License. See LICENSE.TXT for details. -# -##===----------------------------------------------------------------------===## -LEVEL = ../../../.. -LIBRARYNAME = PIC16Passes -TARGET = PIC16 - -LOADABLE_MODULE = 1 - -include $(LEVEL)/Makefile.common - diff --git a/lib/Target/PIC16/PIC16Passes/PIC16CallGraph.cpp b/lib/Target/PIC16/PIC16Passes/PIC16CallGraph.cpp deleted file mode 100644 index accc4a4b14a..00000000000 --- a/lib/Target/PIC16/PIC16Passes/PIC16CallGraph.cpp +++ /dev/null @@ -1,161 +0,0 @@ -#include "llvm/Analysis/CallGraph.h" -#include "llvm/Pass.h" -#include "llvm/Module.h" -#include "llvm/Transforms/Utils/Cloning.h" -#include "llvm/Support/ErrorHandling.h" -#include "llvm/Support/raw_ostream.h" -#include -using namespace llvm; -using std::vector; -using std::string; - -namespace { - class PIC16CallGraph : public ModulePass { - public: - static char ID; // Class identification - PIC16CallGraph() : ModulePass(&ID) {} - - virtual void getAnalysisUsage(AnalysisUsage &AU) const { - AU.setPreservesAll(); - AU.addRequired(); - } - virtual bool runOnModule(Module &M) { - // Initially record that no interrupt has been found - InterruptFound = false; - - CallGraph &CG = getAnalysis(); - for (CallGraph::iterator it = CG.begin() ; it != CG.end(); it++) - { - // External calling node doesn't have any function associated - // with it - if (!it->first) - continue; - - if (it->first->getName().str() == "main") { - // See if the main itself is interrupt function then report an error. - if (it->first->getSection().find("interrupt") != string::npos) - reportError("Function 'main' can't be interrupt function"); - else { - // Set the MainLine tag for function main also. - it->second->getFunction()->setSection("ML"); - // mark the hierarchy - markFunctionHierarchy(it->second, "ML"); - } - } else if (it->first->getSection().find("interrupt") != string::npos) { - if (InterruptFound) - reportError("More than one interrupt functions defined in the module"); - - InterruptFound = true; - markFunctionHierarchy(it->second, "IL"); - } - } - return false; - } - private: // Functions - // Makr function hierarchy for the MainLine or InterruptLine. - void markFunctionHierarchy(CallGraphNode *CGN, string StringMark); - - // Error reporting for PIC16Pass - void reportError(string ErrorString, vector &Values); - void reportError(string ErrorString); - private: // Data - // Records if the interrupt function has already been found. - // If more than one interrupt function is found then an error - // should be thrown. - bool InterruptFound; - }; - char PIC16CallGraph::ID =0; - static RegisterPass - Y("pic16cg", "PIC16 CallGraph Construction"); - -} // End of anonymous namespace - -void PIC16CallGraph::reportError(string ErrorString) { - errs() << "ERROR : " << ErrorString << "\n"; - exit(1); -} - -void PIC16CallGraph:: -reportError (string ErrorString, vector &Values) { - unsigned ValCount = Values.size(); - string TargetString; - for (unsigned i=0; ibegin(); - cgn_it != CGN->end(); ++cgn_it) { - Function *CalledF = cgn_it->second->getFunction(); - - // If calling an external function then CallGraphNode - // will not be associated with any function. - if (!CalledF) - continue; - - // Issue diagnostic if interrupt function is being called. - if (CalledF->getSection().find("interrupt") != string::npos) { - vector Values; - Values.push_back(CalledF->getName().str()); - reportError("Interrupt function (%0) can't be called", Values); - } - - // If already shared mark then no need to check any further. - // Also a great potential for recursion. - if (CalledF->getSection().find(SharedMark) != string::npos) { - continue; - } - - // Has already been mark - if (CalledF->getSection().find(StringMark) != string::npos) { - // Issue diagnostic - // Potential for recursion. - } else { - // Mark now - if (CalledF->getSection().find(AlternateMark) != string::npos) { - // Function is alternatively marked. It should be a shared one. - - // Shared functions should be clone. Clone here. - Function *ClonedFunc = CloneFunction(CalledF); - - // Add the newly created function to the module. - CalledF->getParent()->getFunctionList().push_back(ClonedFunc); - - // The new function should be for interrupt line. Therefore should have the - // name suffixed with IL and section attribute marked with IL. - ClonedFunc->setName(CalledF->getName().str() + ".IL"); - ClonedFunc->setSection("IL"); - - // Original function now should be for MainLine only. - CalledF->setSection("ML"); - - // Update the CallSite - CallSite CS = cgn_it->first; - CS.getInstruction()->getOperand(0)->setName(CalledF->getName().str() + ".shared"); - } else { - // Function is not marked. It should be marked now. - CalledF->setSection(StringMark); - } - } - - // Before going any further mark all the called function by current - // function. - markFunctionHierarchy(cgn_it->second ,StringMark); - } // end of loop of all called functions. - -}