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SIL: remove SILValue::getDef and add a cast operator to ValueBase * as a repelacement. NFC.

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This commit is contained in:
Erik Eckstein
2016-01-25 15:00:24 -08:00
parent aef0a11a7c
commit 74d44b74e7
63 changed files with 255 additions and 262 deletions
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18
lib/SILOptimizer/Analysis/ValueTracking.cpp
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@@ -43,25 +43,25 @@ bool swift::pointsToLocalObject(SILValue V,
/// Check if the value \p Value is known to be zero, non-zero or unknown.
IsZeroKind swift::isZeroValue(SILValue Value) {
// Inspect integer literals.
if (auto *L = dyn_cast<IntegerLiteralInst>(Value.getDef())) {
if (auto *L = dyn_cast<IntegerLiteralInst>(Value)) {
if (!L->getValue())
return IsZeroKind::Zero;
return IsZeroKind::NotZero;
}
// Inspect Structs.
switch (Value.getDef()->getKind()) {
switch (Value->getKind()) {
// Bitcast of zero is zero.
case ValueKind::UncheckedTrivialBitCastInst:
// Extracting from a zero class returns a zero.
case ValueKind::StructExtractInst:
return isZeroValue(cast<SILInstruction>(Value.getDef())->getOperand(0));
return isZeroValue(cast<SILInstruction>(Value)->getOperand(0));
default:
break;
}
// Inspect casts.
if (auto *BI = dyn_cast<BuiltinInst>(Value.getDef())) {
if (auto *BI = dyn_cast<BuiltinInst>(Value)) {
switch (BI->getBuiltinInfo().ID) {
case BuiltinValueKind::IntToPtr:
case BuiltinValueKind::PtrToInt:
@@ -89,7 +89,7 @@ IsZeroKind swift::isZeroValue(SILValue Value) {
}
// Handle results of XXX_with_overflow arithmetic.
if (auto *T = dyn_cast<TupleExtractInst>(Value.getDef())) {
if (auto *T = dyn_cast<TupleExtractInst>(Value)) {
// Make sure we are extracting the number value and not
// the overflow flag.
if (T->getFieldNo() != 0)
@@ -103,9 +103,9 @@ IsZeroKind swift::isZeroValue(SILValue Value) {
}
//Inspect allocations and pointer literals.
if (isa<StringLiteralInst>(Value.getDef()) ||
isa<AllocationInst>(Value.getDef()) ||
isa<GlobalAddrInst>(Value.getDef()))
if (isa<StringLiteralInst>(Value) ||
isa<AllocationInst>(Value) ||
isa<GlobalAddrInst>(Value))
return IsZeroKind::NotZero;
return IsZeroKind::Unknown;
@@ -116,7 +116,7 @@ IsZeroKind swift::isZeroValue(SILValue Value) {
Optional<bool> swift::computeSignBit(SILValue V) {
SILValue Value = V;
while (true) {
auto *Def = Value.getDef();
ValueBase *Def = Value;
// Inspect integer literals.
if (auto *L = dyn_cast<IntegerLiteralInst>(Def)) {
if (L->getValue().isNonNegative())