[PATCH] D57608: [NFC][GlobalISel]: Add a convenience method to MachineInstrBuilder to simplify getOperand(i).getReg()

[Aditya Nandakumar via Phabricator via llvm-commits]

aditya_nandakumar updated this revision to Diff 185102.
aditya_nandakumar added a comment.

Updated to use shorter name.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D57608/new/

https://reviews.llvm.org/D57608

Files:
  include/llvm/CodeGen/MachineInstrBuilder.h
  lib/Target/AArch64/AArch64InstructionSelector.cpp
  lib/Target/AArch64/AArch64LegalizerInfo.cpp


Index: lib/Target/AArch64/AArch64LegalizerInfo.cpp
===================================================================
--- lib/Target/AArch64/AArch64LegalizerInfo.cpp
+++ lib/Target/AArch64/AArch64LegalizerInfo.cpp
@@ -498,7 +498,7 @@
     auto AlignMinus1 = MIRBuilder.buildConstant(IntPtrTy, Align - 1);
 
     unsigned ListTmp = MRI.createGenericVirtualRegister(PtrTy);
-    MIRBuilder.buildGEP(ListTmp, List, AlignMinus1->getOperand(0).getReg());
+    MIRBuilder.buildGEP(ListTmp, List, AlignMinus1.getReg(0));
 
     DstPtr = MRI.createGenericVirtualRegister(PtrTy);
     MIRBuilder.buildPtrMask(DstPtr, ListTmp, Log2_64(Align));
Index: lib/Target/AArch64/AArch64InstructionSelector.cpp
===================================================================
--- lib/Target/AArch64/AArch64InstructionSelector.cpp
+++ lib/Target/AArch64/AArch64InstructionSelector.cpp
@@ -840,7 +840,7 @@
     constrainSelectedInstRegOperands(*MovI, TII, TRI, RBI);
     return DstReg;
   };
-  unsigned DstReg = BuildMovK(MovZ->getOperand(0).getReg(),
+  unsigned DstReg = BuildMovK(MovZ.getReg(0),
                               AArch64II::MO_G1 | AArch64II::MO_NC, 16, 0);
   DstReg = BuildMovK(DstReg, AArch64II::MO_G2 | AArch64II::MO_NC, 32, 0);
   BuildMovK(DstReg, AArch64II::MO_G3, 48, I.getOperand(0).getReg());
Index: include/llvm/CodeGen/MachineInstrBuilder.h
===================================================================
--- include/llvm/CodeGen/MachineInstrBuilder.h
+++ include/llvm/CodeGen/MachineInstrBuilder.h
@@ -79,6 +79,11 @@
   /// explicitly.
   MachineInstr *getInstr() const { return MI; }
 
+  /// Get the register for the operand index.
+  /// The operand at the index should be a register (asserted by
+  /// MachineOperand).
+  unsigned getReg(unsigned Idx) { return MI->getOperand(Idx).getReg(); }
+
   /// Add a new virtual register operand.
   const MachineInstrBuilder &addReg(unsigned RegNo, unsigned flags = 0,
                                     unsigned SubReg = 0) const {


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