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-rw-r--r--lib/Analysis/BasicAliasAnalysis.cpp50
1 files changed, 24 insertions, 26 deletions
diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp
index 58244fc11c..4173bd00cd 100644
--- a/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/lib/Analysis/BasicAliasAnalysis.cpp
@@ -98,7 +98,7 @@ static bool isEscapeSource(const Value *V) {
/// isObjectSmallerThan - Return true if we can prove that the object specified
/// by V is smaller than Size.
-static bool isObjectSmallerThan(const Value *V, uint64_t Size,
+static bool isObjectSmallerThan(const Value *V, unsigned Size,
const TargetData &TD) {
const Type *AccessTy;
if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(V)) {
@@ -552,27 +552,27 @@ namespace {
// aliasGEP - Provide a bunch of ad-hoc rules to disambiguate a GEP
// instruction against another.
- AliasResult aliasGEP(const GEPOperator *V1, uint64_t V1Size,
- const Value *V2, uint64_t V2Size,
+ AliasResult aliasGEP(const GEPOperator *V1, unsigned V1Size,
+ const Value *V2, unsigned V2Size,
const MDNode *V2TBAAInfo,
const Value *UnderlyingV1, const Value *UnderlyingV2);
// aliasPHI - Provide a bunch of ad-hoc rules to disambiguate a PHI
// instruction against another.
- AliasResult aliasPHI(const PHINode *PN, uint64_t PNSize,
+ AliasResult aliasPHI(const PHINode *PN, unsigned PNSize,
const MDNode *PNTBAAInfo,
- const Value *V2, uint64_t V2Size,
+ const Value *V2, unsigned V2Size,
const MDNode *V2TBAAInfo);
/// aliasSelect - Disambiguate a Select instruction against another value.
- AliasResult aliasSelect(const SelectInst *SI, uint64_t SISize,
+ AliasResult aliasSelect(const SelectInst *SI, unsigned SISize,
const MDNode *SITBAAInfo,
- const Value *V2, uint64_t V2Size,
+ const Value *V2, unsigned V2Size,
const MDNode *V2TBAAInfo);
- AliasResult aliasCheck(const Value *V1, uint64_t V1Size,
+ AliasResult aliasCheck(const Value *V1, unsigned V1Size,
const MDNode *V1TBAATag,
- const Value *V2, uint64_t V2Size,
+ const Value *V2, unsigned V2Size,
const MDNode *V2TBAATag);
};
} // End of anonymous namespace
@@ -691,7 +691,7 @@ BasicAliasAnalysis::getModRefInfo(ImmutableCallSite CS,
default: break;
case Intrinsic::memcpy:
case Intrinsic::memmove: {
- uint64_t Len = UnknownSize;
+ unsigned Len = UnknownSize;
if (ConstantInt *LenCI = dyn_cast<ConstantInt>(II->getArgOperand(2)))
Len = LenCI->getZExtValue();
Value *Dest = II->getArgOperand(0);
@@ -707,7 +707,7 @@ BasicAliasAnalysis::getModRefInfo(ImmutableCallSite CS,
// Since memset is 'accesses arguments' only, the AliasAnalysis base class
// will handle it for the variable length case.
if (ConstantInt *LenCI = dyn_cast<ConstantInt>(II->getArgOperand(2))) {
- uint64_t Len = LenCI->getZExtValue();
+ unsigned Len = LenCI->getZExtValue();
Value *Dest = II->getArgOperand(0);
if (isNoAlias(Location(Dest, Len), Loc))
return NoModRef;
@@ -727,7 +727,7 @@ BasicAliasAnalysis::getModRefInfo(ImmutableCallSite CS,
case Intrinsic::atomic_load_umin:
if (TD) {
Value *Op1 = II->getArgOperand(0);
- uint64_t Op1Size = TD->getTypeStoreSize(Op1->getType());
+ unsigned Op1Size = TD->getTypeStoreSize(Op1->getType());
MDNode *Tag = II->getMetadata(LLVMContext::MD_tbaa);
if (isNoAlias(Location(Op1, Op1Size, Tag), Loc))
return NoModRef;
@@ -736,7 +736,7 @@ BasicAliasAnalysis::getModRefInfo(ImmutableCallSite CS,
case Intrinsic::lifetime_start:
case Intrinsic::lifetime_end:
case Intrinsic::invariant_start: {
- uint64_t PtrSize =
+ unsigned PtrSize =
cast<ConstantInt>(II->getArgOperand(0))->getZExtValue();
if (isNoAlias(Location(II->getArgOperand(1),
PtrSize,
@@ -746,7 +746,7 @@ BasicAliasAnalysis::getModRefInfo(ImmutableCallSite CS,
break;
}
case Intrinsic::invariant_end: {
- uint64_t PtrSize =
+ unsigned PtrSize =
cast<ConstantInt>(II->getArgOperand(1))->getZExtValue();
if (isNoAlias(Location(II->getArgOperand(2),
PtrSize,
@@ -767,8 +767,8 @@ BasicAliasAnalysis::getModRefInfo(ImmutableCallSite CS,
/// UnderlyingV2 is the same for V2.
///
AliasAnalysis::AliasResult
-BasicAliasAnalysis::aliasGEP(const GEPOperator *GEP1, uint64_t V1Size,
- const Value *V2, uint64_t V2Size,
+BasicAliasAnalysis::aliasGEP(const GEPOperator *GEP1, unsigned V1Size,
+ const Value *V2, unsigned V2Size,
const MDNode *V2TBAAInfo,
const Value *UnderlyingV1,
const Value *UnderlyingV2) {
@@ -878,10 +878,8 @@ BasicAliasAnalysis::aliasGEP(const GEPOperator *GEP1, uint64_t V1Size,
// If our known offset is bigger than the access size, we know we don't have
// an alias.
if (GEP1BaseOffset) {
- if (GEP1BaseOffset >= 0 ?
- (V2Size != UnknownSize && (uint64_t)GEP1BaseOffset >= V2Size) :
- (V1Size != UnknownSize && -(uint64_t)GEP1BaseOffset >= V1Size &&
- GEP1BaseOffset != INT64_MIN))
+ if (GEP1BaseOffset >= (int64_t)V2Size ||
+ GEP1BaseOffset <= -(int64_t)V1Size)
return NoAlias;
}
@@ -891,9 +889,9 @@ BasicAliasAnalysis::aliasGEP(const GEPOperator *GEP1, uint64_t V1Size,
/// aliasSelect - Provide a bunch of ad-hoc rules to disambiguate a Select
/// instruction against another.
AliasAnalysis::AliasResult
-BasicAliasAnalysis::aliasSelect(const SelectInst *SI, uint64_t SISize,
+BasicAliasAnalysis::aliasSelect(const SelectInst *SI, unsigned SISize,
const MDNode *SITBAAInfo,
- const Value *V2, uint64_t V2Size,
+ const Value *V2, unsigned V2Size,
const MDNode *V2TBAAInfo) {
// If this select has been visited before, we're on a use-def cycle.
// Such cycles are only valid when PHI nodes are involved or in unreachable
@@ -941,9 +939,9 @@ BasicAliasAnalysis::aliasSelect(const SelectInst *SI, uint64_t SISize,
// aliasPHI - Provide a bunch of ad-hoc rules to disambiguate a PHI instruction
// against another.
AliasAnalysis::AliasResult
-BasicAliasAnalysis::aliasPHI(const PHINode *PN, uint64_t PNSize,
+BasicAliasAnalysis::aliasPHI(const PHINode *PN, unsigned PNSize,
const MDNode *PNTBAAInfo,
- const Value *V2, uint64_t V2Size,
+ const Value *V2, unsigned V2Size,
const MDNode *V2TBAAInfo) {
// The PHI node has already been visited, avoid recursion any further.
if (!Visited.insert(PN))
@@ -1015,9 +1013,9 @@ BasicAliasAnalysis::aliasPHI(const PHINode *PN, uint64_t PNSize,
// such as array references.
//
AliasAnalysis::AliasResult
-BasicAliasAnalysis::aliasCheck(const Value *V1, uint64_t V1Size,
+BasicAliasAnalysis::aliasCheck(const Value *V1, unsigned V1Size,
const MDNode *V1TBAAInfo,
- const Value *V2, uint64_t V2Size,
+ const Value *V2, unsigned V2Size,
const MDNode *V2TBAAInfo) {
// If either of the memory references is empty, it doesn't matter what the
// pointer values are.
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-13 17:41:15 +0000