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Add PseudoSourceValue::mayAlias. It returns true if the object can ever alias any LLVM IR value.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85762 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2009-11-01 23:50:04 +00:00
parent f4e748bc3f
commit f57b1baa44
2 changed files with 21 additions and 0 deletions
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4
include/llvm/CodeGen/PseudoSourceValue.h
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@ -43,6 +43,10 @@ namespace llvm {
/// PseudoSourceValue may also be pointed to by an LLVM IR Value.
virtual bool isAliased(const MachineFrameInfo *) const;
/// mayAlias - Return true if the memory pointed to by this
/// PseudoSourceValue can ever alias a LLVM IR Value.
virtual bool mayAlias(const MachineFrameInfo *) const;
/// classof - Methods for support type inquiry through isa, cast, and
/// dyn_cast:
///