[PATCH] D11373: [ARM] Register (existing) ARMLoadStoreOpt pass with LLVM pass manager.

[David Gross]

dgross created this revision.
dgross added a subscriber: llvm-commits.
Herald added subscribers: rengolin, aemerson.

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

http://reviews.llvm.org/D11373

Files:
  lib/Target/ARM/ARMLoadStoreOptimizer.cpp

Index: lib/Target/ARM/ARMLoadStoreOptimizer.cpp
===================================================================
--- lib/Target/ARM/ARMLoadStoreOptimizer.cpp
+++ lib/Target/ARM/ARMLoadStoreOptimizer.cpp
@@ -60,12 +60,20 @@
 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 @@
     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 @@
   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())


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