[llvm] r360789 - [MachineOperand] Add a ChangeToGA method

[Nicolai Haehnle via llvm-commits]

Author: nha
Date: Wed May 15 10:48:10 2019
New Revision: 360789

URL: http://llvm.org/viewvc/llvm-project?rev=360789&view=rev
Log:
[MachineOperand] Add a ChangeToGA method

Summary:
Analogous to the other ChangeToXXX methods. See the next patch for a
use case.

Change-Id: I6548d614706834fb9109ab3c8fe915e9c6ece2a7

Reviewers: arsenm, kzhuravl

Subscribers: wdng, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D61651

Modified:
    llvm/trunk/include/llvm/CodeGen/MachineOperand.h
    llvm/trunk/lib/CodeGen/MachineOperand.cpp

Modified: llvm/trunk/include/llvm/CodeGen/MachineOperand.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/MachineOperand.h?rev=360789&r1=360788&r2=360789&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/MachineOperand.h (original)
+++ llvm/trunk/include/llvm/CodeGen/MachineOperand.h Wed May 15 10:48:10 2019
@@ -713,6 +713,10 @@ public:
   /// ChangeToES - Replace this operand with a new external symbol operand.
   void ChangeToES(const char *SymName, unsigned char TargetFlags = 0);
 
+  /// ChangeToGA - Replace this operand with a new global address operand.
+  void ChangeToGA(const GlobalValue *GV, int64_t Offset,
+                  unsigned char TargetFlags = 0);
+
   /// ChangeToMCSymbol - Replace this operand with a new MC symbol operand.
   void ChangeToMCSymbol(MCSymbol *Sym);
 

Modified: llvm/trunk/lib/CodeGen/MachineOperand.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineOperand.cpp?rev=360789&r1=360788&r2=360789&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineOperand.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineOperand.cpp Wed May 15 10:48:10 2019
@@ -181,6 +181,19 @@ void MachineOperand::ChangeToES(const ch
   setTargetFlags(TargetFlags);
 }
 
+void MachineOperand::ChangeToGA(const GlobalValue *GV, int64_t Offset,
+                                unsigned char TargetFlags) {
+  assert((!isReg() || !isTied()) &&
+         "Cannot change a tied operand into a global address");
+
+  removeRegFromUses();
+
+  OpKind = MO_GlobalAddress;
+  Contents.OffsetedInfo.Val.GV = GV;
+  setOffset(Offset);
+  setTargetFlags(TargetFlags);
+}
+
 void MachineOperand::ChangeToMCSymbol(MCSymbol *Sym) {
   assert((!isReg() || !isTied()) &&
          "Cannot change a tied operand into an MCSymbol");