RegUsageInfo: Cleanup; NFC

- Remove unnecessary anchor function
- Remove unnecessary override of getAnalysisUsage
- Use reference instead of pointers where things cannot be nullptr
- Use ArrayRef instead of std::vector where possible

llvm-svn: 337989

1 files changed, 2 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/CodeGen.cpp b/llvm/lib/CodeGen/CodeGen.cpp
index 561ff260e30..2f845354c57 100644
--- a/llvm/lib/CodeGen/CodeGen.cpp
+++ b/llvm/lib/CodeGen/CodeGen.cpp
@@ -85,6 +85,8 @@ void llvm::initializeCodeGen(PassRegistry &Registry) {
   initializeRABasicPass(Registry);
   initializeRAGreedyPass(Registry);
   initializeRegAllocFastPass(Registry);
+  initializeRegUsageInfoCollectorPass(Registry);
+  initializeRegUsageInfoPropagationPass(Registry);
   initializeRegisterCoalescerPass(Registry);
   initializeRenameIndependentSubregsPass(Registry);
   initializeSafeStackLegacyPassPass(Registry);