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rotate CallInst operands, i.e. move callee to the back

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of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101364 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif
2010-04-15 10:49:53 +00:00
parent e6987587d6
commit 165dac08d1
43 changed files with 578 additions and 587 deletions
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18
lib/Analysis/MemoryDependenceAnalysis.cpp
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@ -117,7 +117,7 @@ getCallSiteDependencyFrom(CallSite CS, bool isReadOnlyCall,
Pointer = V->getOperand(0);
PointerSize = AA->getTypeStoreSize(V->getType());
} else if (isFreeCall(Inst)) {
Pointer = Inst->getOperand(1);
Pointer = Inst->getOperand(0);
// calls to free() erase the entire structure
PointerSize = ~0ULL;
} else if (isa<CallInst>(Inst) || isa<InvokeInst>(Inst)) {
@ -197,9 +197,9 @@ getPointerDependencyFrom(Value *MemPtr, uint64_t MemSize, bool isLoad,
// pointer, not on query pointers that are indexed off of them. It'd
// be nice to handle that at some point.
AliasAnalysis::AliasResult R =
AA->alias(II->getOperand(3), ~0U, MemPtr, ~0U);
AA->alias(II->getOperand(2), ~0U, MemPtr, ~0U);
if (R == AliasAnalysis::MustAlias) {
InvariantTag = II->getOperand(1);
InvariantTag = II->getOperand(0);
continue;
}
@ -210,7 +210,7 @@ getPointerDependencyFrom(Value *MemPtr, uint64_t MemSize, bool isLoad,
// pointer, not on query pointers that are indexed off of them. It'd
// be nice to handle that at some point.
AliasAnalysis::AliasResult R =
AA->alias(II->getOperand(2), ~0U, MemPtr, ~0U);
AA->alias(II->getOperand(1), ~0U, MemPtr, ~0U);
if (R == AliasAnalysis::MustAlias)
return MemDepResult::getDef(II);
}
@ -366,7 +366,7 @@ MemDepResult MemoryDependenceAnalysis::getDependency(Instruction *QueryInst) {
MemSize = AA->getTypeStoreSize(LI->getType());
}
} else if (isFreeCall(QueryInst)) {
MemPtr = QueryInst->getOperand(1);
MemPtr = QueryInst->getOperand(0);
// calls to free() erase the entire structure, not just a field.
MemSize = ~0UL;
} else if (isa<CallInst>(QueryInst) || isa<InvokeInst>(QueryInst)) {
@ -378,12 +378,12 @@ MemDepResult MemoryDependenceAnalysis::getDependency(Instruction *QueryInst) {
case Intrinsic::lifetime_start:
case Intrinsic::lifetime_end:
case Intrinsic::invariant_start:
MemPtr = QueryInst->getOperand(2);
MemSize = cast<ConstantInt>(QueryInst->getOperand(1))->getZExtValue();
MemPtr = QueryInst->getOperand(1);
MemSize = cast<ConstantInt>(QueryInst->getOperand(0))->getZExtValue();
break;
case Intrinsic::invariant_end:
MemPtr = QueryInst->getOperand(3);
MemSize = cast<ConstantInt>(QueryInst->getOperand(2))->getZExtValue();
MemPtr = QueryInst->getOperand(2);
MemSize = cast<ConstantInt>(QueryInst->getOperand(1))->getZExtValue();
break;
default:
CallSite QueryCS = CallSite::get(QueryInst);