[DAGCombiner][TargetLowering] Pass a SmallVector instead of a std::vector to BuildSDIV/BuildUDIV/etc.

The vector contains the SDNodes that these functions create. The number of nodes is always a small number so we should use SmallVector to avoid a heap allocation.

llvm-svn: 338329

1 files changed, 5 insertions, 5 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 273c2239ac7..6750c771f02 100644
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -3421,7 +3421,7 @@ void TargetLowering::ComputeConstraintToUse(AsmOperandInfo &OpInfo,
 /// with the multiplicative inverse of the constant.
 static SDValue BuildExactSDIV(const TargetLowering &TLI, SDValue Op1, APInt d,
                               const SDLoc &dl, SelectionDAG &DAG,
-                              std::vector<SDNode *> &Created) {
+                              SmallVectorImpl<SDNode *> &Created) {
   assert(d != 0 && "Division by zero!");
 
   // Shift the value upfront if it is even, so the LSB is one.
@@ -3450,8 +3450,8 @@ static SDValue BuildExactSDIV(const TargetLowering &TLI, SDValue Op1, APInt d,
 }
 
 SDValue TargetLowering::BuildSDIVPow2(SDNode *N, const APInt &Divisor,
-                                      SelectionDAG &DAG,
-                                      std::vector<SDNode *> &Created) const {
+                                     SelectionDAG &DAG,
+                                     SmallVectorImpl<SDNode *> &Created) const {
   AttributeList Attr = DAG.getMachineFunction().getFunction().getAttributes();
   const TargetLowering &TLI = DAG.getTargetLoweringInfo();
   if (TLI.isIntDivCheap(N->getValueType(0), Attr))
@@ -3465,7 +3465,7 @@ SDValue TargetLowering::BuildSDIVPow2(SDNode *N, const APInt &Divisor,
 /// Ref: "Hacker's Delight" or "The PowerPC Compiler Writer's Guide".
 SDValue TargetLowering::BuildSDIV(SDNode *N, const APInt &Divisor,
                                   SelectionDAG &DAG, bool IsAfterLegalization,
-                                  std::vector<SDNode *> &Created) const {
+                                  SmallVectorImpl<SDNode *> &Created) const {
   EVT VT = N->getValueType(0);
   SDLoc dl(N);
 
@@ -3530,7 +3530,7 @@ SDValue TargetLowering::BuildSDIV(SDNode *N, const APInt &Divisor,
 /// Ref: "Hacker's Delight" or "The PowerPC Compiler Writer's Guide".
 SDValue TargetLowering::BuildUDIV(SDNode *N, const APInt &Divisor,
                                   SelectionDAG &DAG, bool IsAfterLegalization,
-                                  std::vector<SDNode *> &Created) const {
+                                  SmallVectorImpl<SDNode *> &Created) const {
   EVT VT = N->getValueType(0);
   SDLoc dl(N);
   auto &DL = DAG.getDataLayout();