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Remove explicit passing of SCC's around as objects.

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llvm-svn: 8267
This commit is contained in:
Chris Lattner 2003-08-31 19:46:48 +00:00
parent d96c9204b6
commit 05498bc768
2 changed files with 7 additions and 8 deletions
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4
include/llvm/Analysis/MemoryDepAnalysis.h
View File

@ -15,7 +15,6 @@
#include "llvm/Analysis/DependenceGraph.h"
#include "llvm/Pass.h"
#include "Support/TarjanSCCIterator.h"
#include "Support/hash_map"
class ModRefTable;
@ -43,7 +42,8 @@ class MemoryDepAnalysis : public Pass {
const FunctionModRefInfo* funcModRef;
/// Internal routine that processes each SCC of the CFG.
void ProcessSCC(SCC<Function*>& S, ModRefTable& ModRefAfter);
void ProcessSCC(std::vector<BasicBlock*> &SCC, ModRefTable& ModRefAfter,
bool HasLoop);
friend class PgmDependenceGraph;

11
lib/Analysis/IPA/MemoryDepAnalysis.cpp
View File

@ -271,14 +271,12 @@ void MemoryDepAnalysis::getAnalysisUsage(AnalysisUsage &AU) const {
/// }
///
///
void MemoryDepAnalysis::ProcessSCC(SCC<Function*>& S,
ModRefTable& ModRefAfter) {
void MemoryDepAnalysis::ProcessSCC(std::vector<BasicBlock*> &S,
ModRefTable& ModRefAfter, bool hasLoop) {
ModRefTable ModRefCurrent;
ModRefTable::ModRefMap& mapCurrent = ModRefCurrent.modRefMap;
ModRefTable::ModRefMap& mapAfter = ModRefAfter.modRefMap;
bool hasLoop = S.HasLoop();
// Builder class fills out a ModRefTable one instruction at a time.
// To use it, we just invoke it's visit function for each basic block:
//
@ -290,7 +288,8 @@ void MemoryDepAnalysis::ProcessSCC(SCC<Function*>& S,
// : Add I to ModRefCurrent.users if it uses any node
//
ModRefInfoBuilder builder(*funcGraph, *funcModRef, ModRefCurrent);
for (SCC<Function*>::iterator BI=S.begin(), BE=S.end(); BI != BE; ++BI)
for (std::vector<BasicBlock*>::iterator BI = S.begin(), BE = S.end();
BI != BE; ++BI)
// Note: BBs in the SCC<> created by TarjanSCCIterator are in postorder.
for (BasicBlock::reverse_iterator II=(*BI)->rbegin(), IE=(*BI)->rend();
II != IE; ++II)
@ -442,7 +441,7 @@ bool MemoryDepAnalysis::runOnFunction(Function &F) {
SCC<Function*>* nextSCC;
for (TarjanSCC_iterator<Function*> I = tarj_begin(&F), E = tarj_end(&F);
I != E; ++I)
ProcessSCC(*I, ModRefAfter);
ProcessSCC(*I, ModRefAfter, (*I).HasLoop());
return true;
}