Convert push_back loops into append calls.
No functionality change intended.
llvm-svn: 230849
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 4bd1a0c..d39dea8 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -16255,7 +16255,7 @@
Amt = DAG.getNode(ISD::ANY_EXTEND, dl, NewVT, Amt);
return DAG.getNode(ISD::TRUNCATE, dl, VT,
DAG.getNode(Op.getOpcode(), dl, NewVT, R, Amt));
- }
+ }
// Decompose 256-bit shifts into smaller 128-bit shifts.
if (VT.is256BitVector()) {
@@ -16271,12 +16271,9 @@
SDValue Amt1, Amt2;
if (Amt.getOpcode() == ISD::BUILD_VECTOR) {
// Constant shift amount
- SmallVector<SDValue, 4> Amt1Csts;
- SmallVector<SDValue, 4> Amt2Csts;
- for (unsigned i = 0; i != NumElems/2; ++i)
- Amt1Csts.push_back(Amt->getOperand(i));
- for (unsigned i = NumElems/2; i != NumElems; ++i)
- Amt2Csts.push_back(Amt->getOperand(i));
+ SmallVector<SDValue, 8> Ops(Amt->op_begin(), Amt->op_begin() + NumElems);
+ ArrayRef<SDValue> Amt1Csts = makeArrayRef(Ops).slice(0, NumElems / 2);
+ ArrayRef<SDValue> Amt2Csts = makeArrayRef(Ops).slice(NumElems / 2);
Amt1 = DAG.getNode(ISD::BUILD_VECTOR, dl, NewVT, Amt1Csts);
Amt2 = DAG.getNode(ISD::BUILD_VECTOR, dl, NewVT, Amt2Csts);
diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp
index 36cbe08..4cdca97 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.cpp
+++ b/llvm/lib/Target/X86/X86InstrInfo.cpp
@@ -5291,8 +5291,8 @@
return nullptr;
// Folding a normal load. Just copy the load's address operands.
- for (unsigned i = NumOps - X86::AddrNumOperands; i != NumOps; ++i)
- MOs.push_back(LoadMI->getOperand(i));
+ MOs.append(LoadMI->operands_begin() + NumOps - X86::AddrNumOperands,
+ LoadMI->operands_begin() + NumOps);
break;
}
}