Differential D78369 Diff 265778 llvm/lib/Transforms/Scalar/BDCE.cpp

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	continue;			continue;

	// Remove instructions that are dead, either because they were not reached			// Remove instructions that are dead, either because they were not reached
	// during analysis or have no demanded bits.			// during analysis or have no demanded bits.
	if (DB.isInstructionDead(&I) \|\|			if (DB.isInstructionDead(&I) \|\|
	(I.getType()->isIntOrIntVectorTy() &&			(I.getType()->isIntOrIntVectorTy() &&
	DB.getDemandedBits(&I).isNullValue() &&			DB.getDemandedBits(&I).isNullValue() &&
	wouldInstructionBeTriviallyDead(&I))) {			wouldInstructionBeTriviallyDead(&I))) {
	salvageDebugInfoOrMarkUndef(I);			salvageDebugInfo(I);
	Worklist.push_back(&I);			Worklist.push_back(&I);
	I.dropAllReferences();			I.dropAllReferences();
	Changed = true;			Changed = true;
	continue;			continue;
	}			}

	for (Use &U : I.operands()) {			for (Use &U : I.operands()) {
	// DemandedBits only detects dead integer uses.			// DemandedBits only detects dead integer uses.
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