GlobalISel: add generic load and store instructions.

Pretty straightforward, the only oddity is the MachineMemOperand (which it's
surprisingly difficult to share code for).

llvm-svn: 276799

1 files changed, 17 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp b/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
index 30971e72f7d..be4cafc575b 100644
--- a/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
@@ -94,6 +94,23 @@ MachineInstr *MachineIRBuilder::buildCopy(unsigned Res, unsigned Op) {
   return buildInstr(TargetOpcode::COPY, Res, Op);
 }
 
+MachineInstr *MachineIRBuilder::buildLoad(LLT VTy, LLT PTy, unsigned Res,
+                                          unsigned Addr,
+                                          MachineMemOperand &MMO) {
+  MachineInstr *NewMI = buildInstr(TargetOpcode::G_LOAD, {VTy, PTy}, Res, Addr);
+  NewMI->addMemOperand(getMF(), &MMO);
+  return NewMI;
+}
+
+MachineInstr *MachineIRBuilder::buildStore(LLT VTy, LLT PTy, unsigned Val,
+                                           unsigned Addr,
+                                           MachineMemOperand &MMO) {
+  MachineInstr *NewMI = buildInstr(TargetOpcode::G_STORE, {VTy, PTy});
+  NewMI->addMemOperand(getMF(), &MMO);
+  MachineInstrBuilder(getMF(), NewMI).addReg(Val).addReg(Addr);
+  return NewMI;
+}
+
 MachineInstr *MachineIRBuilder::buildExtract(LLT Ty, ArrayRef<unsigned> Results,
                                              unsigned Src,
                                              ArrayRef<unsigned> Indexes) {