From 99d1c88279884182d801659166a9e782a862f6d8 Mon Sep 17 00:00:00 2001
From: David Gross <dgross@google.com>
Date: Thu, 23 Jul 2015 22:12:46 +0000
Subject: [PATCH] [ARM] Register (existing) ARMLoadStoreOpt pass with LLVM pass
 manager.

Summary: Among other things, this allows -print-after-all/-print-before-all to dump IR around this pass.

Subscribers: aemerson, llvm-commits, rengolin

Differential Revision: http://reviews.llvm.org/D11373

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243052 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMLoadStoreOptimizer.cpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
index 99e075e3ebc..7b73c32c21e 100644
--- a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
+++ b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
@@ -60,12 +60,20 @@ STATISTIC(NumSTRD2STM,  "Number of strd instructions turned back into stm");
 STATISTIC(NumLDRD2LDR,  "Number of ldrd instructions turned back into ldr's");
 STATISTIC(NumSTRD2STR,  "Number of strd instructions turned back into str's");
 
+namespace llvm {
+void initializeARMLoadStoreOptPass(PassRegistry &);
+}
+
+#define ARM_LOAD_STORE_OPT_NAME "ARM load / store optimization pass"
+
 namespace {
   /// Post- register allocation pass the combine load / store instructions to
   /// form ldm / stm instructions.
   struct ARMLoadStoreOpt : public MachineFunctionPass {
     static char ID;
-    ARMLoadStoreOpt() : MachineFunctionPass(ID) {}
+    ARMLoadStoreOpt() : MachineFunctionPass(ID) {
+      initializeARMLoadStoreOptPass(*PassRegistry::getPassRegistry());
+    }
 
     const MachineFunction *MF;
     const TargetInstrInfo *TII;
@@ -84,7 +92,7 @@ namespace {
     bool runOnMachineFunction(MachineFunction &Fn) override;
 
     const char *getPassName() const override {
-      return "ARM load / store optimization pass";
+      return ARM_LOAD_STORE_OPT_NAME;
     }
 
   private:
@@ -148,6 +156,8 @@ namespace {
   char ARMLoadStoreOpt::ID = 0;
 }
 
+INITIALIZE_PASS(ARMLoadStoreOpt, "arm-load-store-opt", ARM_LOAD_STORE_OPT_NAME, false, false)
+
 static bool definesCPSR(const MachineInstr *MI) {
   for (const auto &MO : MI->operands()) {
     if (!MO.isReg())