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Make the BranchFolderPass class local to BranchFolding.cpp.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86928 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-11-12 01:59:26 +00:00
parent a5810add9c
commit 72b2990a74
2 changed files with 15 additions and 14 deletions
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14
lib/CodeGen/BranchFolding.cpp
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@@ -56,6 +56,20 @@ TailMergeSize("tail-merge-size",
cl::desc("Min number of instructions to consider tail merging"),
cl::init(3), cl::Hidden);
namespace {
/// BranchFolderPass - Wrap branch folder in a machine function pass.
class BranchFolderPass : public MachineFunctionPass,
public BranchFolder {
public:
static char ID;
explicit BranchFolderPass(bool defaultEnableTailMerge)
: MachineFunctionPass(&ID), BranchFolder(defaultEnableTailMerge) {}
virtual bool runOnMachineFunction(MachineFunction &MF);
virtual const char *getPassName() const { return "Control Flow Optimizer"; }
};
}
char BranchFolderPass::ID = 0;
FunctionPass *llvm::createBranchFoldingPass(bool DefaultEnableTailMerge) {