[PATCH] D60844: [GISel]: IRTranslator: Prefer a buidInstr form that allows CSE of cast instructions

[Aditya Nandakumar via Phabricator via llvm-commits]

aditya_nandakumar created this revision.
aditya_nandakumar added reviewers: arsenm, aemerson, qcolombet, volkan, bogner.
Herald added a subscriber: wdng.
Herald added a project: LLVM.

Use the style of buildInstr that allows CSEing.


Repository:
  rL LLVM

https://reviews.llvm.org/D60844

Files:
  lib/CodeGen/GlobalISel/IRTranslator.cpp


Index: lib/CodeGen/GlobalISel/IRTranslator.cpp
===================================================================
--- lib/CodeGen/GlobalISel/IRTranslator.cpp
+++ lib/CodeGen/GlobalISel/IRTranslator.cpp
@@ -608,7 +608,7 @@
                                  MachineIRBuilder &MIRBuilder) {
   unsigned Op = getOrCreateVReg(*U.getOperand(0));
   unsigned Res = getOrCreateVReg(U);
-  MIRBuilder.buildInstr(Opcode).addDef(Res).addUse(Op);
+  MIRBuilder.buildInstr(Opcode, {Res}, {Op});
   return true;
 }
 


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