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Initial commit of the 'landingpad' instruction.

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This implements the 'landingpad' instruction. It's used to indicate that a basic
block is a landing pad. There are several restrictions on its use (see
LangRef.html for more detail). These restrictions allow the exception handling
code to gather the information it needs in a much more sane way.

This patch has the definition, implementation, C interface, parsing, and bitcode
support in it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137501 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2011-08-12 20:24:12 +00:00
parent 79628e92e1
commit e6e8826870
23 changed files with 454 additions and 20 deletions
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5
include/llvm/Bitcode/LLVMBitCodes.h
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@ -308,9 +308,10 @@ namespace bitc {
// align, vol,
// ordering, synchscope]
FUNC_CODE_INST_RESUME = 39, // RESUME: [opval]
FUNC_CODE_INST_LOADATOMIC = 40, // LOAD: [opty, op, align, vol,
FUNC_CODE_INST_LANDINGPAD = 40, // LANDINGPAD: [ty,val,val,num,id0,val0...]
FUNC_CODE_INST_LOADATOMIC = 41, // LOAD: [opty, op, align, vol,
// ordering, synchscope]
FUNC_CODE_INST_STOREATOMIC = 41 // STORE: [ptrty,ptr,val, align, vol
FUNC_CODE_INST_STOREATOMIC = 42 // STORE: [ptrty,ptr,val, align, vol
// ordering, synchscope]
};
} // End bitc namespace