[CodeGen] Use MIR syntax for MachineMemOperand printing

Get rid of the "; mem:" suffix and use the one we use in MIR: ":: (load 2)".

rdar://38163529

Differential Revision: https://reviews.llvm.org/D42377

llvm-svn: 327580

1 files changed, 18 insertions, 10 deletions

diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
index 3fbf50df18b..8f5e8e964ae 100644
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/lib/CodeGen/MachineInstr.cpp
@@ -1441,25 +1441,33 @@ void MachineInstr::print(raw_ostream &OS, ModuleSlotTracker &MST,
     }
   }
 
-  bool HaveSemi = false;
   if (!memoperands_empty()) {
-    if (!HaveSemi) {
-      OS << ";";
-      HaveSemi = true;
+    SmallVector<StringRef, 0> SSNs;
+    const LLVMContext *Context = nullptr;
+    std::unique_ptr<LLVMContext> CtxPtr;
+    const MachineFrameInfo *MFI = nullptr;
+    if (const MachineFunction *MF = getMFIfAvailable(*this)) {
+      MFI = &MF->getFrameInfo();
+      Context = &MF->getFunction().getContext();
+    } else {
+      CtxPtr = llvm::make_unique<LLVMContext>();
+      Context = CtxPtr.get();
     }
 
-    OS << " mem:";
-    for (mmo_iterator i = memoperands_begin(), e = memoperands_end();
-         i != e; ++i) {
-      (*i)->print(OS, MST);
-      if (std::next(i) != e)
-        OS << " ";
+    OS << " :: ";
+    bool NeedComma = false;
+    for (const MachineMemOperand *Op : memoperands()) {
+      if (NeedComma)
+        OS << ", ";
+      Op->print(OS, MST, SSNs, *Context, MFI, TII);
+      NeedComma = true;
     }
   }
 
   if (SkipDebugLoc)
     return;
 
+  bool HaveSemi = false;
   // Print debug location information.
   if (isDebugValue() && getOperand(e - 2).isMetadata()) {
     if (!HaveSemi)