1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp b/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
index df8b7995ac88..bde442ae0429 100644
--- a/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
@@ -486,6 +486,15 @@ MachineInstrBuilder MachineIRBuilder::buildAnyExtOrTrunc(const DstOp &Res,
   return buildExtOrTrunc(TargetOpcode::G_ANYEXT, Res, Op);
 }
 
+MachineInstrBuilder MachineIRBuilder::buildZExtInReg(const DstOp &Res,
+                                                     const SrcOp &Op,
+                                                     int64_t ImmOp) {
+  LLT ResTy = Res.getLLTTy(*getMRI());
+  auto Mask = buildConstant(
+      ResTy, APInt::getLowBitsSet(ResTy.getScalarSizeInBits(), ImmOp));
+  return buildAnd(ResTy, Op, Mask);
+}
+
 MachineInstrBuilder MachineIRBuilder::buildCast(const DstOp &Dst,
                                                 const SrcOp &Src) {
   LLT SrcTy = Src.getLLTTy(*getMRI());