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1 //===-- UnreachableBlockElim.cpp - Remove unreachable blocks for codegen --===//
11 // job is to delete LLVM basic blocks that are not reachable from the entry
17 // blocks. Until LLVM has a more systematic way of defining instruction
59 "Remove unreachable blocks from the CFG", false, false)
68 // Mark all reachable blocks.
71 /* Mark all reachable blocks */;
73 // Loop over all dead blocks, remembering them and deleting all instructions
89 // Actually remove the blocks now.
113 "Remove unreachable machine basic blocks", false, false)
131 // Mark all reachable blocks.
135 /* Mark all reachable blocks */;
137 // Loop over all dead blocks, remembering them and deleting all instructions
171 // Actually remove the blocks now.