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[unwind removal] We no longer have 'unwind' instructions being generated, so

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remove the code that handles them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149901 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2012-02-06 21:16:41 +00:00
parent 0f96817d01
commit aa5abe88d6
11 changed files with 9 additions and 134 deletions
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18
lib/ExecutionEngine/Interpreter/Execution.cpp
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@ -625,24 +625,6 @@ void Interpreter::visitReturnInst(ReturnInst &I) {
popStackAndReturnValueToCaller(RetTy, Result);
}
void Interpreter::visitUnwindInst(UnwindInst &I) {
// Unwind stack
Instruction *Inst;
do {
ECStack.pop_back();
if (ECStack.empty())
report_fatal_error("Empty stack during unwind!");
Inst = ECStack.back().Caller.getInstruction();
} while (!(Inst && isa<InvokeInst>(Inst)));
// Return from invoke
ExecutionContext &InvokingSF = ECStack.back();
InvokingSF.Caller = CallSite();
// Go to exceptional destination BB of invoke instruction
SwitchToNewBasicBlock(cast<InvokeInst>(Inst)->getUnwindDest(), InvokingSF);
}
void Interpreter::visitUnreachableInst(UnreachableInst &I) {
report_fatal_error("Program executed an 'unreachable' instruction!");
}

1
lib/ExecutionEngine/Interpreter/Interpreter.h
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@ -171,7 +171,6 @@ public:
void visitCallSite(CallSite CS);
void visitCallInst(CallInst &I) { visitCallSite (CallSite (&I)); }
void visitInvokeInst(InvokeInst &I) { visitCallSite (CallSite (&I)); }
void visitUnwindInst(UnwindInst &I);
void visitUnreachableInst(UnreachableInst &I);
void visitShl(BinaryOperator &I);