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WinEH: Create an unwind help alloca for __CxxFrameHandler3 xdata tables

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We don't have any logic to emit those tables yet, so the sdag lowering
of this intrinsic is just a stub. We can see the intrinsic in the
prepared IR, though.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233209 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Kleckner
2015-03-25 20:10:36 +00:00
parent 151bc36220
commit a8b46e7055
6 changed files with 49 additions and 0 deletions
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7
lib/IR/Verifier.cpp
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@ -2908,6 +2908,13 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
break;
}
case Intrinsic::eh_unwindhelp: {
auto *AI = dyn_cast<AllocaInst>(CI.getArgOperand(0)->stripPointerCasts());
Assert(AI && AI->isStaticAlloca(),
"llvm.eh.unwindhelp requires a static alloca", &CI);
break;
}
case Intrinsic::experimental_gc_statepoint:
Assert(!CI.isInlineAsm(),
"gc.statepoint support for inline assembly unimplemented", &CI);