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add some possibly bogus assertions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20665 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -12,6 +12,8 @@
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Constants.h"
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#include "llvm/DerivedTypes.h"
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#include "llvm/Module.h"
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#include "llvm/Analysis/AliasAnalysis.h"
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#include "llvm/Analysis/Passes.h"
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@ -196,6 +198,14 @@ DSAA::getModRefInfo(CallSite CS, Value *P, unsigned Size) {
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Result = ModRefResult(Result & ~Mod);
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if (!N->isRead()) // We proved it was not read.
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Result = ModRefResult(Result & ~Ref);
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} else {
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if (isa<ConstantPointerNull>(P))
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Result = NoModRef;
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else
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assert(isa<GlobalVariable>(P) &&
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cast<GlobalVariable>(P)->getType()->getElementType()->isFirstClassType() &&
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"This isn't a global that DSA inconsiderately dropped "
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"from the graph?");
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}
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return Result;
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}
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