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Remove PointerAccessInfo, which nothing was using.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110167 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-08-03 23:08:10 +00:00
parent 7cf8fc7a45
commit a41af344c2
3 changed files with 10 additions and 29 deletions
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19
include/llvm/Analysis/AliasAnalysis.h
View File

@ -164,27 +164,12 @@ public:
UnknownModRefBehavior UnknownModRefBehavior
}; };
/// PointerAccessInfo - This struct is used to return results for pointers,
/// globals, and the return value of a function.
struct PointerAccessInfo {
/// V - The value this record corresponds to. This may be an Argument for
/// the function, a GlobalVariable, or null, corresponding to the return
/// value for the function.
Value *V;
/// ModRefInfo - Whether the pointer is loaded or stored to/from.
///
ModRefResult ModRefInfo;
};
/// getModRefBehavior - Return the behavior when calling the given call site. /// getModRefBehavior - Return the behavior when calling the given call site.
virtual ModRefBehavior getModRefBehavior(ImmutableCallSite CS, virtual ModRefBehavior getModRefBehavior(ImmutableCallSite CS);
std::vector<PointerAccessInfo> *Info = 0);
/// getModRefBehavior - Return the behavior when calling the given function. /// getModRefBehavior - Return the behavior when calling the given function.
/// For use when the call site is not known. /// For use when the call site is not known.
virtual ModRefBehavior getModRefBehavior(const Function *F, virtual ModRefBehavior getModRefBehavior(const Function *F);
std::vector<PointerAccessInfo> *Info = 0);
/// getIntrinsicModRefBehavior - Return the modref behavior of the intrinsic /// getIntrinsicModRefBehavior - Return the modref behavior of the intrinsic
/// with the given id. /// with the given id.

8
lib/Analysis/AliasAnalysis.cpp
View File

@ -113,20 +113,18 @@ AliasAnalysis::getModRefInfo(const StoreInst *S, const Value *P, unsigned Size)
} }
AliasAnalysis::ModRefBehavior AliasAnalysis::ModRefBehavior
AliasAnalysis::getModRefBehavior(ImmutableCallSite CS, AliasAnalysis::getModRefBehavior(ImmutableCallSite CS) {
std::vector<PointerAccessInfo> *Info) {
if (CS.doesNotAccessMemory()) if (CS.doesNotAccessMemory())
// Can't do better than this. // Can't do better than this.
return DoesNotAccessMemory; return DoesNotAccessMemory;
ModRefBehavior MRB = getModRefBehavior(CS.getCalledFunction(), Info); ModRefBehavior MRB = getModRefBehavior(CS.getCalledFunction());
if (MRB != DoesNotAccessMemory && CS.onlyReadsMemory()) if (MRB != DoesNotAccessMemory && CS.onlyReadsMemory())
return OnlyReadsMemory; return OnlyReadsMemory;
return MRB; return MRB;
} }
AliasAnalysis::ModRefBehavior AliasAnalysis::ModRefBehavior
AliasAnalysis::getModRefBehavior(const Function *F, AliasAnalysis::getModRefBehavior(const Function *F) {
std::vector<PointerAccessInfo> *Info) {
if (F) { if (F) {
if (F->doesNotAccessMemory()) if (F->doesNotAccessMemory())
// Can't do better than this. // Can't do better than this.

12
lib/Analysis/IPA/GlobalsModRef.cpp
View File

@ -118,31 +118,29 @@ namespace {
/// getModRefBehavior - Return the behavior of the specified function if /// getModRefBehavior - Return the behavior of the specified function if
/// called from the specified call site. The call site may be null in which /// called from the specified call site. The call site may be null in which
/// case the most generic behavior of this function should be returned. /// case the most generic behavior of this function should be returned.
ModRefBehavior getModRefBehavior(const Function *F, ModRefBehavior getModRefBehavior(const Function *F) {
std::vector<PointerAccessInfo> *Info) {
if (FunctionRecord *FR = getFunctionInfo(F)) { if (FunctionRecord *FR = getFunctionInfo(F)) {
if (FR->FunctionEffect == 0) if (FR->FunctionEffect == 0)
return DoesNotAccessMemory; return DoesNotAccessMemory;
else if ((FR->FunctionEffect & Mod) == 0) else if ((FR->FunctionEffect & Mod) == 0)
return OnlyReadsMemory; return OnlyReadsMemory;
} }
return AliasAnalysis::getModRefBehavior(F, Info); return AliasAnalysis::getModRefBehavior(F);
} }
/// getModRefBehavior - Return the behavior of the specified function if /// getModRefBehavior - Return the behavior of the specified function if
/// called from the specified call site. The call site may be null in which /// called from the specified call site. The call site may be null in which
/// case the most generic behavior of this function should be returned. /// case the most generic behavior of this function should be returned.
ModRefBehavior getModRefBehavior(ImmutableCallSite CS, ModRefBehavior getModRefBehavior(ImmutableCallSite CS) {
std::vector<PointerAccessInfo> *Info) {
const Function* F = CS.getCalledFunction(); const Function* F = CS.getCalledFunction();
if (!F) return AliasAnalysis::getModRefBehavior(CS, Info); if (!F) return AliasAnalysis::getModRefBehavior(CS);
if (FunctionRecord *FR = getFunctionInfo(F)) { if (FunctionRecord *FR = getFunctionInfo(F)) {
if (FR->FunctionEffect == 0) if (FR->FunctionEffect == 0)
return DoesNotAccessMemory; return DoesNotAccessMemory;
else if ((FR->FunctionEffect & Mod) == 0) else if ((FR->FunctionEffect & Mod) == 0)
return OnlyReadsMemory; return OnlyReadsMemory;
} }
return AliasAnalysis::getModRefBehavior(CS, Info); return AliasAnalysis::getModRefBehavior(CS);
} }
virtual void deleteValue(Value *V); virtual void deleteValue(Value *V);