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back out r101423 and r101397, they break llvm-gcc self-host on darwin10

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101434 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif
2010-04-16 01:16:20 +00:00
parent 5f0378251c
commit 607a7ab3da
44 changed files with 586 additions and 577 deletions
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22
lib/Analysis/BasicAliasAnalysis.cpp
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@ -94,7 +94,7 @@ static bool isObjectSmallerThan(const Value *V, unsigned Size,
} else if (const CallInst* CI = extractMallocCall(V)) {
if (!isArrayMalloc(V, &TD))
// The size is the argument to the malloc call.
if (const ConstantInt* C = dyn_cast<ConstantInt>(CI->getOperand(0)))
if (const ConstantInt* C = dyn_cast<ConstantInt>(CI->getOperand(1)))
return (C->getZExtValue() < Size);
return false;
} else if (const Argument *A = dyn_cast<Argument>(V)) {
@ -318,10 +318,10 @@ BasicAliasAnalysis::getModRefInfo(CallSite CS, Value *P, unsigned Size) {
case Intrinsic::memcpy:
case Intrinsic::memmove: {
unsigned Len = ~0U;
if (ConstantInt *LenCI = dyn_cast<ConstantInt>(II->getOperand(2)))
if (ConstantInt *LenCI = dyn_cast<ConstantInt>(II->getOperand(3)))
Len = LenCI->getZExtValue();
Value *Dest = II->getOperand(0);
Value *Src = II->getOperand(1);
Value *Dest = II->getOperand(1);
Value *Src = II->getOperand(2);
if (isNoAlias(Dest, Len, P, Size)) {
if (isNoAlias(Src, Len, P, Size))
return NoModRef;
@ -332,9 +332,9 @@ BasicAliasAnalysis::getModRefInfo(CallSite CS, Value *P, unsigned Size) {
case Intrinsic::memset:
// 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->getOperand(2))) {
if (ConstantInt *LenCI = dyn_cast<ConstantInt>(II->getOperand(3))) {
unsigned Len = LenCI->getZExtValue();
Value *Dest = II->getOperand(0);
Value *Dest = II->getOperand(1);
if (isNoAlias(Dest, Len, P, Size))
return NoModRef;
}
@ -352,7 +352,7 @@ BasicAliasAnalysis::getModRefInfo(CallSite CS, Value *P, unsigned Size) {
case Intrinsic::atomic_load_umax:
case Intrinsic::atomic_load_umin:
if (TD) {
Value *Op1 = II->getOperand(0);
Value *Op1 = II->getOperand(1);
unsigned Op1Size = TD->getTypeStoreSize(Op1->getType());
if (isNoAlias(Op1, Op1Size, P, Size))
return NoModRef;
@ -361,14 +361,14 @@ BasicAliasAnalysis::getModRefInfo(CallSite CS, Value *P, unsigned Size) {
case Intrinsic::lifetime_start:
case Intrinsic::lifetime_end:
case Intrinsic::invariant_start: {
unsigned PtrSize = cast<ConstantInt>(II->getOperand(0))->getZExtValue();
if (isNoAlias(II->getOperand(1), PtrSize, P, Size))
unsigned PtrSize = cast<ConstantInt>(II->getOperand(1))->getZExtValue();
if (isNoAlias(II->getOperand(2), PtrSize, P, Size))
return NoModRef;
break;
}
case Intrinsic::invariant_end: {
unsigned PtrSize = cast<ConstantInt>(II->getOperand(1))->getZExtValue();
if (isNoAlias(II->getOperand(2), PtrSize, P, Size))
unsigned PtrSize = cast<ConstantInt>(II->getOperand(2))->getZExtValue();
if (isNoAlias(II->getOperand(3), PtrSize, P, Size))
return NoModRef;
break;
}