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whitespace cleanup, tidying

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89664 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-11-23 16:45:27 +00:00
parent b34b82e9d1
commit 5d56b2d47d
1 changed files with 17 additions and 16 deletions
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33
lib/Analysis/BasicAliasAnalysis.cpp
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@ -217,13 +217,13 @@ namespace {
// VisitedPHIs - Track PHI nodes visited by a aliasCheck() call.
SmallPtrSet<const Value*, 16> VisitedPHIs;
// aliasGEP - Provide a bunch of ad-hoc rules to disambiguate a GEP instruction
// against another.
// aliasGEP - Provide a bunch of ad-hoc rules to disambiguate a GEP
// instruction against another.
AliasResult aliasGEP(const Value *V1, unsigned V1Size,
const Value *V2, unsigned V2Size);
// aliasPHI - Provide a bunch of ad-hoc rules to disambiguate a PHI instruction
// against another.
// aliasPHI - Provide a bunch of ad-hoc rules to disambiguate a PHI
// instruction against another.
AliasResult aliasPHI(const PHINode *PN, unsigned PNSize,
const Value *V2, unsigned V2Size);
@ -236,7 +236,7 @@ namespace {
// CheckGEPInstructions - Check two GEP instructions with known
// must-aliasing base pointers. This checks to see if the index expressions
// preclude the pointers from aliasing...
// preclude the pointers from aliasing.
AliasResult
CheckGEPInstructions(const Type* BasePtr1Ty,
Value **GEP1Ops, unsigned NumGEP1Ops, unsigned G1Size,
@ -269,11 +269,10 @@ bool BasicAliasAnalysis::pointsToConstantMemory(const Value *P) {
}
// getModRefInfo - Check to see if the specified callsite can clobber the
// specified memory object. Since we only look at local properties of this
// function, we really can't say much about this query. We do, however, use
// simple "address taken" analysis on local objects.
//
/// getModRefInfo - Check to see if the specified callsite can clobber the
/// specified memory object. Since we only look at local properties of this
/// function, we really can't say much about this query. We do, however, use
/// simple "address taken" analysis on local objects.
AliasAnalysis::ModRefResult
BasicAliasAnalysis::getModRefInfo(CallSite CS, Value *P, unsigned Size) {
const Value *Object = P->getUnderlyingObject();
@ -534,8 +533,8 @@ BasicAliasAnalysis::aliasGEP(const Value *V1, unsigned V1Size,
return MayAlias;
}
// aliasSelect - Provide a bunch of ad-hoc rules to disambiguate a Select instruction
// against another.
/// aliasSelect - Provide a bunch of ad-hoc rules to disambiguate a Select
/// instruction against another.
AliasAnalysis::AliasResult
BasicAliasAnalysis::aliasSelect(const SelectInst *SI, unsigned SISize,
const Value *V2, unsigned V2Size) {
@ -701,10 +700,12 @@ BasicAliasAnalysis::aliasCheck(const Value *V1, unsigned V1Size,
// isNonEscapingLocalObject considers all stores to be escapes (it
// passes true for the StoreCaptures argument to PointerMayBeCaptured).
if (O1 != O2) {
if ((isa<CallInst>(O1) || isa<InvokeInst>(O1) || isa<LoadInst>(O1)) &&
if ((isa<CallInst>(O1) || isa<InvokeInst>(O1) || isa<LoadInst>(O1) ||
isa<Argument(O1)) &&
isNonEscapingLocalObject(O2))
return NoAlias;
if ((isa<CallInst>(O2) || isa<InvokeInst>(O2) || isa<LoadInst>(O2)) &&
if ((isa<CallInst>(O2) || isa<InvokeInst>(O2) || isa<LoadInst>(O2) ||
isa<Argument(O2)) &&
isNonEscapingLocalObject(O1))
return NoAlias;
}
@ -752,7 +753,7 @@ static bool IndexOperandsEqual(Value *V1, Value *V2) {
/// CheckGEPInstructions - Check two GEP instructions with known must-aliasing
/// base pointers. This checks to see if the index expressions preclude the
/// pointers from aliasing...
/// pointers from aliasing.
AliasAnalysis::AliasResult
BasicAliasAnalysis::CheckGEPInstructions(
const Type* BasePtr1Ty, Value **GEP1Ops, unsigned NumGEP1Ops, unsigned G1S,
@ -1079,5 +1080,5 @@ BasicAliasAnalysis::CheckGEPInstructions(
return MayAlias;
}
// Make sure that anything that uses AliasAnalysis pulls in this file...
// Make sure that anything that uses AliasAnalysis pulls in this file.
DEFINING_FILE_FOR(BasicAliasAnalysis)