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Revert "New SIL instructions to support tail-allocated arrays in SIL."

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This commit is contained in:
Dmitri Gribenko
2016-09-15 00:25:25 -07:00
committed by GitHub
parent cd07c2c125
commit fbb3cf35a5
68 changed files with 1145 additions and 1470 deletions
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7
lib/SILOptimizer/Analysis/AliasAnalysis.cpp
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@@ -305,7 +305,6 @@ AliasResult AliasAnalysis::aliasAddressProjection(SILValue V1, SILValue V2,
static bool isTypedAccessOracle(SILInstruction *I) {
switch (I->getKind()) {
case ValueKind::RefElementAddrInst:
case ValueKind::RefTailAddrInst:
case ValueKind::StructElementAddrInst:
case ValueKind::TupleElementAddrInst:
case ValueKind::UncheckedTakeEnumDataAddrInst:
@@ -341,9 +340,7 @@ static bool isAddressRootTBAASafe(SILValue V) {
default:
return false;
case ValueKind::AllocStackInst:
case ValueKind::ProjectBoxInst:
case ValueKind::RefElementAddrInst:
case ValueKind::RefTailAddrInst:
case ValueKind::AllocBoxInst:
return true;
}
}
@@ -369,7 +366,7 @@ static SILType findTypedAccessType(SILValue V) {
}
SILType swift::computeTBAAType(SILValue V) {
if (isAddressRootTBAASafe(getUnderlyingAddressRoot(V)))
if (isAddressRootTBAASafe(getUnderlyingObject(V)))
return findTypedAccessType(V);
// FIXME: add ref_element_addr check here. TBAA says that objects cannot be