[unwind removal] Remove all of the code for the dead 'unwind' instruction. There

were no 'unwind' instructions being generated before this, so this is in effect
a no-op.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149906 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 0 insertions, 7 deletions

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index d46d8e41bb..091d223c31 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -1839,9 +1839,6 @@ void SelectionDAGBuilder::visitInvoke(const InvokeInst &I) {
                           DAG.getBasicBlock(Return)));
 }
 
-void SelectionDAGBuilder::visitUnwind(const UnwindInst &I) {
-}
-
 void SelectionDAGBuilder::visitResume(const ResumeInst &RI) {
   llvm_unreachable("SelectionDAGBuilder shouldn't visit resume instructions!");
 }
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
index 62c55053e1..8cf88e1c5b 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
@@ -72,7 +72,6 @@ class TargetLowering;
 class TruncInst;
 class UIToFPInst;
 class UnreachableInst;
-class UnwindInst;
 class VAArgInst;
 class ZExtInst;
 
@@ -475,7 +474,6 @@ private:
   // These all get lowered before this pass.
   void visitInvoke(const InvokeInst &I);
   void visitResume(const ResumeInst &I);
-  void visitUnwind(const UnwindInst &I);
 
   void visitBinary(const User &I, unsigned OpCode);
   void visitShift(const User &I, unsigned Opcode);
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 21782db917..e02193385d 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -74,7 +74,6 @@ STATISTIC(NumFastIselFailSwitch,"Fast isel fails on Switch");
 STATISTIC(NumFastIselFailIndirectBr,"Fast isel fails on IndirectBr");
 STATISTIC(NumFastIselFailInvoke,"Fast isel fails on Invoke");
 STATISTIC(NumFastIselFailResume,"Fast isel fails on Resume");
-STATISTIC(NumFastIselFailUnwind,"Fast isel fails on Unwind");
 STATISTIC(NumFastIselFailUnreachable,"Fast isel fails on Unreachable");
 
   // Standard binary operators...
@@ -895,7 +894,6 @@ static void collectFailStats(const Instruction *I) {
   case Instruction::IndirectBr:  NumFastIselFailIndirectBr++; return;
   case Instruction::Invoke:      NumFastIselFailInvoke++; return;
   case Instruction::Resume:      NumFastIselFailResume++; return;
-  case Instruction::Unwind:      NumFastIselFailUnwind++; return;
   case Instruction::Unreachable: NumFastIselFailUnreachable++; return;
 
   // Standard binary operators...