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[examples] Move loop unroller passes into anonymous namespace. #523

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Dec 23, 2021
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[examples] Move loop unroller passes into anonymous namespace. #523

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42 changes: 23 additions & 19 deletions examples/example_unrolling_service/loop_unroller/loop_unroller.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,8 @@

using namespace llvm;

namespace llvm {
namespace {

/// Input LLVM module file name.
cl::opt<std::string> InputFilename(cl::Positional, cl::desc("Specify input filename"),
cl::value_desc("filename"), cl::init("-"));
Expand Down Expand Up @@ -65,9 +66,6 @@ static cl::opt<bool> PreserveAssemblyUseListOrder(
"preserve-ll-uselistorder", cl::desc("Preserve use-list order when writing LLVM assembly."),
cl::init(false), cl::Hidden);

// The INITIALIZE_PASS_XXX macros put the initialiser in the llvm namespace.
void initializeLoopCounterPass(PassRegistry& Registry);

class LoopCounter : public llvm::FunctionPass {
public:
static char ID;
Expand All @@ -90,15 +88,6 @@ class LoopCounter : public llvm::FunctionPass {
}
};

// Initialise the pass. We have to declare the dependencies we use.
char LoopCounter::ID = 0;
INITIALIZE_PASS_BEGIN(LoopCounter, "count-loops", "Count loops", false, false)
INITIALIZE_PASS_DEPENDENCY(LoopInfoWrapperPass)
INITIALIZE_PASS_END(LoopCounter, "count-loops", "Count loops", false, false)

// The INITIALIZE_PASS_XXX macros put the initialiser in the llvm namespace.
void initializeLoopUnrollConfiguratorPass(PassRegistry& Registry);

class LoopUnrollConfigurator : public llvm::FunctionPass {
public:
static char ID;
Expand All @@ -125,13 +114,7 @@ class LoopUnrollConfigurator : public llvm::FunctionPass {
}
};

// Initialise the pass. We have to declare the dependencies we use.
char LoopUnrollConfigurator::ID = 1;
INITIALIZE_PASS_BEGIN(LoopUnrollConfigurator, "unroll-loops-configurator",
"Configurates loop unrolling", false, false)
INITIALIZE_PASS_DEPENDENCY(LoopInfoWrapperPass)
INITIALIZE_PASS_END(LoopUnrollConfigurator, "unroll-loops-configurator",
"Configurates loop unrolling", false, false)

/// Reads a module from a file.
/// On error, messages are written to stderr and null is returned.
Expand All @@ -148,8 +131,29 @@ static std::unique_ptr<Module> readModule(LLVMContext& Context, StringRef Name)
return Module;
}

char LoopCounter::ID = 0;

} // anonymous namespace

namespace llvm {

// The INITIALIZE_PASS_XXX macros put the initialiser in the llvm namespace.
void initializeLoopCounterPass(PassRegistry& Registry);
void initializeLoopUnrollConfiguratorPass(PassRegistry& Registry);

} // namespace llvm

// Initialise the passes. We have to declare the dependencies we use.
INITIALIZE_PASS_BEGIN(LoopUnrollConfigurator, "unroll-loops-configurator",
"Configurates loop unrolling", false, false)
INITIALIZE_PASS_DEPENDENCY(LoopInfoWrapperPass)
INITIALIZE_PASS_END(LoopUnrollConfigurator, "unroll-loops-configurator",
"Configurates loop unrolling", false, false)

INITIALIZE_PASS_BEGIN(LoopCounter, "count-loops", "Count loops", false, false)
INITIALIZE_PASS_DEPENDENCY(LoopInfoWrapperPass)
INITIALIZE_PASS_END(LoopCounter, "count-loops", "Count loops", false, false)

int main(int argc, char** argv) {
cl::ParseCommandLineOptions(argc, argv,
" LLVM-Counter\n\n"
Expand Down