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[sil] Add support for multiple value instructions by adding MultipleValueInstruction{,Result}.

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rdar://31521023
This commit is contained in:
Michael Gottesman
2017-10-04 19:43:07 -07:00
committed by Michael Gottesman
parent 652edc93f8
commit 6df5462ee2
21 changed files with 700 additions and 137 deletions
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51
lib/SIL/SILPrinter.cpp
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@@ -660,12 +660,13 @@ public:
/// Print out the users of the SILValue \p V. Return true if we printed out
/// either an id or a use list. Return false otherwise.
bool printUsersOfSILNode(const SILNode *node, bool printedSlashes) {
TinyPtrVector<SILValue> values;
if (auto value = dyn_cast<ValueBase>(node)) {
// The base pointer of the ultimate ArrayRef here is just the
// ValueBase; we aren't forming a reference to a temporary array.
SmallVector<SILValue, 8> values;
if (auto *value = dyn_cast<ValueBase>(node)) {
values.push_back(value);
} else if (auto *inst = dyn_cast<SILInstruction>(node)) {
assert(!isa<SingleValueInstruction>(inst) && "SingleValueInstruction was "
"handled by the previous "
"value base check.");
copy(inst->getResults(), std::back_inserter(values));
}
@@ -911,8 +912,6 @@ public:
print(cast<SILInstruction>(node));
return;
// TODO: MultiValueInstruction
#define ARGUMENT(ID, PARENT) \
case SILNodeKind::ID:
#include "swift/SIL/SILNodes.def"
@@ -922,6 +921,13 @@ public:
case SILNodeKind::SILUndef:
printSILUndef(cast<SILUndef>(node));
return;
#define MULTIPLE_VALUE_INST_RESULT(ID, PARENT) \
case SILNodeKind::ID:
#include "swift/SIL/SILNodes.def"
printSILMultipleValueInstructionResult(
cast<MultipleValueInstructionResult>(node));
return;
}
llvm_unreachable("bad kind");
}
@@ -941,7 +947,38 @@ public:
// This should really only happen during debugging.
*this << "undef<" << undef->getType() << ">\n";
}
void printSILMultipleValueInstructionResult(
const MultipleValueInstructionResult *result) {
// This should really only happen during debugging.
if (result->getParent()->getNumResults() == 1) {
*this << "**" << Ctx.getID(result) << "** = ";
} else {
*this << '(';
interleave(result->getParent()->getResults(),
[&](SILValue value) {
if (value == SILValue(result)) {
*this << "**" << Ctx.getID(result) << "**";
return;
}
*this << Ctx.getID(value);
},
[&] { *this << ", "; });
*this << ')';
}
*this << " = ";
printInstOpCode(result->getParent());
auto *nonConstParent =
const_cast<MultipleValueInstruction *>(result->getParent());
visit(static_cast<SILInstruction *>(nonConstParent));
// Print users.
(void)printUsersOfSILNode(result, false);
*this << '\n';
}
void printInContext(const SILNode *node) {
auto sortByID = [&](const SILNode *a, const SILNode *b) {
return Ctx.getID(a).Number < Ctx.getID(b).Number;