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Add the 'resume' instruction for the new EH rewrite.

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This adds the 'resume' instruction class, IR parsing, and bitcode reading and
writing. The 'resume' instruction resumes propagation of an existing (in-flight)
exception whose unwinding was interrupted with a 'landingpad' instruction (to be
added later).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136589 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling committed 2011-07-31 06:30:59 +00:00
1 parent 6762dc1fb3
commit dccc03b242
24 files changed
+257 -73
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lib/Bitcode/Reader/BitcodeReader.cpp
+8
View File
@@ -2508,6 +2508,14 @@ bool BitcodeReader::ParseFunctionBody(Function *F) {
cast<InvokeInst>(I)->setAttributes(PAL);
break;
}
case bitc::FUNC_CODE_INST_RESUME: { // RESUME: [opval]
unsigned Idx = 0;
Value *Val = 0;
if (getValueTypePair(Record, Idx, NextValueNo, Val))
return Error("Invalid RESUME record");
I = ResumeInst::Create(Val);
break;
}
case bitc::FUNC_CODE_INST_UNWIND: // UNWIND
I = new UnwindInst(Context);
InstructionList.push_back(I);