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

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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
This commit is contained in:
Bill Wendling
2012-02-06 21:44:22 +00:00
parent 3e9719e1f3
commit 8833ef03b9
13 changed files with 70 additions and 205 deletions
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lib/VMCore/Instructions.cpp
+2 -33
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@@ -630,32 +630,6 @@ BasicBlock *ReturnInst::getSuccessorV(unsigned idx) const {
ReturnInst::~ReturnInst() {
}
//===----------------------------------------------------------------------===//
// UnwindInst Implementation
//===----------------------------------------------------------------------===//
UnwindInst::UnwindInst(LLVMContext &Context, Instruction *InsertBefore)
: TerminatorInst(Type::getVoidTy(Context), Instruction::Unwind,
0, 0, InsertBefore) {
}
UnwindInst::UnwindInst(LLVMContext &Context, BasicBlock *InsertAtEnd)
: TerminatorInst(Type::getVoidTy(Context), Instruction::Unwind,
0, 0, InsertAtEnd) {
}
unsigned UnwindInst::getNumSuccessorsV() const {
return getNumSuccessors();
}
void UnwindInst::setSuccessorV(unsigned idx, BasicBlock *NewSucc) {
llvm_unreachable("UnwindInst has no successors!");
}
BasicBlock *UnwindInst::getSuccessorV(unsigned idx) const {
llvm_unreachable("UnwindInst has no successors!");
}
//===----------------------------------------------------------------------===//
// ResumeInst Implementation
//===----------------------------------------------------------------------===//
@@ -709,11 +683,11 @@ unsigned UnreachableInst::getNumSuccessorsV() const {
}
void UnreachableInst::setSuccessorV(unsigned idx, BasicBlock *NewSucc) {
llvm_unreachable("UnwindInst has no successors!");
llvm_unreachable("UnreachableInst has no successors!");
}
BasicBlock *UnreachableInst::getSuccessorV(unsigned idx) const {
llvm_unreachable("UnwindInst has no successors!");
llvm_unreachable("UnreachableInst has no successors!");
}
//===----------------------------------------------------------------------===//
@@ -3516,11 +3490,6 @@ ResumeInst *ResumeInst::clone_impl() const {
return new(1) ResumeInst(*this);
}
UnwindInst *UnwindInst::clone_impl() const {
LLVMContext &Context = getContext();
return new UnwindInst(Context);
}
UnreachableInst *UnreachableInst::clone_impl() const {
LLVMContext &Context = getContext();
return new UnreachableInst(Context);