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FunctionPass's should not define their own 'run' method.

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Require 'simplified' loops, not just raw natural loops.  This fixes
CodeExtractor/2004-03-13-LoopExtractorCrash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12381 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-03-14 04:01:06 +00:00
parent 2ef703ec42
commit 16d0eb0468
1 changed files with 2 additions and 8 deletions
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10
lib/Transforms/IPO/LoopExtractor.cpp
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@ -18,17 +18,18 @@
#include "llvm/Module.h"
#include "llvm/Pass.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils/FunctionUtils.h"
using namespace llvm;
namespace {
// FIXME: PassManager should allow Module passes to require FunctionPasses
struct LoopExtractor : public FunctionPass {
virtual bool run(Module &M);
virtual bool runOnFunction(Function &F);
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<LoopInfo>();
AU.addRequiredID(LoopSimplifyID);
}
};
@ -36,13 +37,6 @@ namespace {
X("loop-extract", "Extract loops into new functions");
} // End anonymous namespace
bool LoopExtractor::run(Module &M) {
bool Changed = false;
for (Module::iterator i = M.begin(), e = M.end(); i != e; ++i)
Changed |= runOnFunction(*i);
return Changed;
}
bool LoopExtractor::runOnFunction(Function &F) {
std::cerr << F.getName() << "\n";