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[PM] Remove the underspecified 'getRoot' method from CallGraph. It's

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only user was an ancient SCC printing bit of the opt tool which really
should be walking the call graph the same way the CGSCC pass manager
does.

llvm-svn: 195800
This commit is contained in:
Chandler Carruth 2013-11-27 01:32:17 +00:00
parent 3ceb67b21b
commit af3f7b0a67
2 changed files with 3 additions and 13 deletions
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10
include/llvm/Analysis/CallGraph.h
View File

@ -142,11 +142,6 @@ public:
CallGraphNode *getCallsExternalNode() const { return CallsExternalNode; } CallGraphNode *getCallsExternalNode() const { return CallsExternalNode; }
/// \brief Returns the root/main method in the module, or some other root
/// node, such as the externalcallingnode.
CallGraphNode *getRoot() { return Root; }
const CallGraphNode *getRoot() const { return Root; }
//===--------------------------------------------------------------------- //===---------------------------------------------------------------------
// Functions to keep a call graph up to date with a function that has been // Functions to keep a call graph up to date with a function that has been
// modified. // modified.
@ -342,11 +337,6 @@ public:
return G->getCallsExternalNode(); return G->getCallsExternalNode();
} }
/// \brief Returns the root/main method in the module, or some other root
/// node, such as the externalcallingnode.
CallGraphNode *getRoot() { return G->getRoot(); }
const CallGraphNode *getRoot() const { return G->getRoot(); }
//===--------------------------------------------------------------------- //===---------------------------------------------------------------------
// Functions to keep a call graph up to date with a function that has been // Functions to keep a call graph up to date with a function that has been
// modified. // modified.

6
tools/opt/PrintSCC.cpp
View File

@ -92,11 +92,11 @@ bool CFGSCC::runOnFunction(Function &F) {
// run - Print out SCCs in the call graph for the specified module. // run - Print out SCCs in the call graph for the specified module.
bool CallGraphSCC::runOnModule(Module &M) { bool CallGraphSCC::runOnModule(Module &M) {
CallGraphNode *rootNode = getAnalysis<CallGraphWrapperPass>().getRoot(); CallGraph &CG = getAnalysis<CallGraphWrapperPass>().getCallGraph();
unsigned sccNum = 0; unsigned sccNum = 0;
errs() << "SCCs for the program in PostOrder:"; errs() << "SCCs for the program in PostOrder:";
for (scc_iterator<CallGraphNode*> SCCI = scc_begin(rootNode), for (scc_iterator<CallGraph*> SCCI = scc_begin(&CG),
E = scc_end(rootNode); SCCI != E; ++SCCI) { E = scc_end(&CG); SCCI != E; ++SCCI) {
const std::vector<CallGraphNode*> &nextSCC = *SCCI; const std::vector<CallGraphNode*> &nextSCC = *SCCI;
errs() << "\nSCC #" << ++sccNum << " : "; errs() << "\nSCC #" << ++sccNum << " : ";
for (std::vector<CallGraphNode*>::const_iterator I = nextSCC.begin(), for (std::vector<CallGraphNode*>::const_iterator I = nextSCC.begin(),