SelectionDAG switch lowering: Replace unreachable default with most popular case.

[oota-llvm.git] / lib / CodeGen / SelectionDAG / TargetLowering.cpp

diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index db03e2ad8fdcbc5c169130a7e782fc515a3395d3..9aef5edcd54f60ad7f3abec158b37878751aad8f 100644 (file)
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -35,10 +35,9 @@
 #include <cctype>
 using namespace llvm;
 
-/// NOTE: The constructor takes ownership of TLOF.
-TargetLowering::TargetLowering(const TargetMachine &tm,
-                               const TargetLoweringObjectFile *tlof)
-  : TargetLoweringBase(tm, tlof) {}
+/// NOTE: The TargetMachine owns TLOF.
+TargetLowering::TargetLowering(const TargetMachine &tm)
+  : TargetLoweringBase(tm) {}
 
 const char *TargetLowering::getTargetNodeName(unsigned Opcode) const {
   return nullptr;
@@ -2703,7 +2702,7 @@ SDValue TargetLowering::BuildUDIV(SDNode *N, const APInt &Divisor,
                                   SelectionDAG &DAG, bool IsAfterLegalization,
                                   std::vector<SDNode *> *Created) const {
   assert(Created && "No vector to hold udiv ops.");
-  
+
   EVT VT = N->getValueType(0);
   SDLoc dl(N);
 
@@ -2780,7 +2779,7 @@ verifyReturnAddressArgumentIsConstant(SDValue Op, SelectionDAG &DAG) const {
 
 bool TargetLowering::expandMUL(SDNode *N, SDValue &Lo, SDValue &Hi, EVT HiLoVT,
                                SelectionDAG &DAG, SDValue LL, SDValue LH,
-                              SDValue RL, SDValue RH) const {
+                               SDValue RL, SDValue RH) const {
   EVT VT = N->getValueType(0);
   SDLoc dl(N);
 
@@ -2813,8 +2812,8 @@ bool TargetLowering::expandMUL(SDNode *N, SDValue &Lo, SDValue &Hi, EVT HiLoVT,
       // The inputs are both zero-extended.
       if (HasUMUL_LOHI) {
         // We can emit a umul_lohi.
-        Lo = DAG.getNode(ISD::UMUL_LOHI, dl,
-                        DAG.getVTList(HiLoVT, HiLoVT), LL, RL);
+        Lo = DAG.getNode(ISD::UMUL_LOHI, dl, DAG.getVTList(HiLoVT, HiLoVT), LL,
+                         RL);
         Hi = SDValue(Lo.getNode(), 1);
         return true;
       }
@@ -2829,8 +2828,8 @@ bool TargetLowering::expandMUL(SDNode *N, SDValue &Lo, SDValue &Hi, EVT HiLoVT,
       // The input values are both sign-extended.
       if (HasSMUL_LOHI) {
         // We can emit a smul_lohi.
-        Lo = DAG.getNode(ISD::SMUL_LOHI, dl,
-                        DAG.getVTList(HiLoVT, HiLoVT), LL, RL);
+        Lo = DAG.getNode(ISD::SMUL_LOHI, dl, DAG.getVTList(HiLoVT, HiLoVT), LL,
+                         RL);
         Hi = SDValue(Lo.getNode(), 1);
         return true;
       }