Don't cache the TLI object since we have access to it through TargetMachine already.

llvm-svn: 184346

2 files changed, 9 insertions, 8 deletions

diff --git a/llvm/include/llvm/CodeGen/FunctionLoweringInfo.h b/llvm/include/llvm/CodeGen/FunctionLoweringInfo.h
index 206fef76498..f1d815592f8 100644
--- a/llvm/include/llvm/CodeGen/FunctionLoweringInfo.h
+++ b/llvm/include/llvm/CodeGen/FunctionLoweringInfo.h
@@ -50,7 +50,6 @@ class Value;
 ///
 class FunctionLoweringInfo {
   const TargetMachine &TM;
-  const TargetLowering *TLI;
 public:
   const Function *Fn;
   MachineFunction *MF;
@@ -116,7 +115,7 @@ public:
   /// there's no other convenient place for it to live right now.
   std::vector<std::pair<MachineInstr*, unsigned> > PHINodesToUpdate;
 
-  explicit FunctionLoweringInfo(const TargetMachine &TM);
+  explicit FunctionLoweringInfo(const TargetMachine &TM) : TM(TM) {}
 
   /// set - Initialize this FunctionLoweringInfo with the given Function
   /// and its associated MachineFunction.
diff --git a/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp b/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
index 86e188a0078..2fb7664860a 100644
--- a/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
@@ -55,15 +55,12 @@ static bool isUsedOutsideOfDefiningBlock(const Instruction *I) {
   return false;
 }
 
-FunctionLoweringInfo::FunctionLoweringInfo(const TargetMachine &TM)
-  : TM(TM), TLI(0) {
-}
-
 void FunctionLoweringInfo::set(const Function &fn, MachineFunction &mf) {
+  const TargetLowering *TLI = TM.getTargetLowering();
+
   Fn = &fn;
   MF = &mf;
   RegInfo = &MF->getRegInfo();
-  TLI = TM.getTargetLowering();
 
   // Check whether the function can return without sret-demotion.
   SmallVector<ISD::OutputArg, 4> Outs;
@@ -209,7 +206,8 @@ void FunctionLoweringInfo::clear() {
 
 /// CreateReg - Allocate a single virtual register for the given type.
 unsigned FunctionLoweringInfo::CreateReg(MVT VT) {
-  return RegInfo->createVirtualRegister(TLI->getRegClassFor(VT));
+  return RegInfo->
+    createVirtualRegister(TM.getTargetLowering()->getRegClassFor(VT));
 }
 
 /// CreateRegs - Allocate the appropriate number of virtual registers of
@@ -220,6 +218,8 @@ unsigned FunctionLoweringInfo::CreateReg(MVT VT) {
 /// will assign registers for each member or element.
 ///
 unsigned FunctionLoweringInfo::CreateRegs(Type *Ty) {
+  const TargetLowering *TLI = TM.getTargetLowering();
+
   SmallVector<EVT, 4> ValueVTs;
   ComputeValueVTs(*TLI, Ty, ValueVTs);
 
@@ -267,6 +267,8 @@ void FunctionLoweringInfo::ComputePHILiveOutRegInfo(const PHINode *PN) {
   if (!Ty->isIntegerTy() || Ty->isVectorTy())
     return;
 
+  const TargetLowering *TLI = TM.getTargetLowering();
+
   SmallVector<EVT, 1> ValueVTs;
   ComputeValueVTs(*TLI, Ty, ValueVTs);
   assert(ValueVTs.size() == 1 &&