Don't recalculate the loop info and loop dominators analyses if they're
preserved.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45596 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineLoopInfo.cpp b/lib/CodeGen/MachineLoopInfo.cpp
index d134357..ad4ad1c 100644
--- a/lib/CodeGen/MachineLoopInfo.cpp
+++ b/lib/CodeGen/MachineLoopInfo.cpp
@@ -16,15 +16,20 @@
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/MachineDominators.h"
+#include "llvm/CodeGen/Passes.h"
using namespace llvm;
TEMPLATE_INSTANTIATION(class LoopBase<MachineBasicBlock>);
TEMPLATE_INSTANTIATION(class LoopInfoBase<MachineBasicBlock>);
-char MachineLoopInfo::ID = 0;
-static RegisterPass<MachineLoopInfo>
-X("machine-loops", "Machine Natural Loop Construction", true);
+namespace {
+ char MachineLoopInfo::ID = 0;
+ RegisterPass<MachineLoopInfo>
+ X("machine-loops", "Machine Natural Loop Construction", true);
+}
+
+const PassInfo *llvm::MachineLoopInfoID = X.getPassInfo();
bool MachineLoopInfo::runOnMachineFunction(MachineFunction &) {
releaseMemory();