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Add a new pass for code generators to use

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14562 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-07-02 05:44:13 +00:00
parent c95f3b8822
commit 8b708e4752
1 changed files with 9 additions and 1 deletions
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10
include/llvm/CodeGen/Passes.h
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@ -23,7 +23,15 @@ namespace llvm {
class FunctionPass;
class PassInfo;
class TargetMachine;
/// createUnreachableBlockEliminationPass - The LLVM code generator does not
/// work well with unreachable basic blocks (what live ranges make sense for a
/// block that cannot be reached?). As such, a code generator should either
/// not instruction select unreachable blocks, or it can run this pass as it's
/// last LLVM modifying pass to clean up blocks that are not reachable from
/// the entry block.
FunctionPass *createUnreachableBlockEliminationPass();
/// MachineFunctionPrinter pass - This pass prints out the machine function to
/// standard error, as a debugging tool.
FunctionPass *createMachineFunctionPrinterPass(std::ostream *OS,