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[silcodemotion] Add support for dumping BBEnumTagDataflowState.

Browse Source 
rdar://36032876
This commit is contained in:
Michael Gottesman
2017-12-17 15:04:39 -08:00
parent 7819c4d41a
commit 9cda9056b6
1 changed files with 24 additions and 0 deletions
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24
lib/SILOptimizer/Transforms/SILCodeMotion.cpp
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@@ -134,6 +134,9 @@ public:
BBEnumTagDataflowState(const BBEnumTagDataflowState &Other) = default;
~BBEnumTagDataflowState() = default;
LLVM_ATTRIBUTE_DEPRECATED(void dump() const LLVM_ATTRIBUTE_USED,
"only for use within the debugger");
bool init(SILBasicBlock *NewBB) {
assert(NewBB && "NewBB should not be null");
BB = NewBB;
@@ -733,6 +736,27 @@ bool BBEnumTagDataflowState::sinkIncrementsOutOfSwitchRegions(
return Changed;
}
void BBEnumTagDataflowState::dump() const {
#ifndef NDEBUG
llvm::dbgs() << "Dumping state for BB" << BB.get()->getDebugID() << "\n";
// For each (EnumValue, [(BB, EnumTag)]) that we are tracking...
for (auto &P : EnumToEnumBBCaseListMap) {
if (!P.hasValue()) {
llvm::dbgs() << " NULL enum value... skipping!\n";
continue;
}
llvm::dbgs() << " Found value: " << P->first << "\n";
llvm::dbgs() << " Case List:\n";
for (auto &P2 : P->second) {
llvm::dbgs() << " BB" << P2.first->getDebugID() << ": ";
P2.second->dump(llvm::dbgs());
llvm::dbgs() << "\n";
}
llvm::dbgs() << " End Case List.\n";
}
#endif
}
//===----------------------------------------------------------------------===//
// Generic Sinking Code
//===----------------------------------------------------------------------===//