diff options
| -rw-r--r-- | include/llvm/Transforms/Scalar.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/llvm/Transforms/Scalar.h b/include/llvm/Transforms/Scalar.h index 8b0a1d72ca..7acc7a6a12 100644 --- a/include/llvm/Transforms/Scalar.h +++ b/include/llvm/Transforms/Scalar.h @@ -262,8 +262,12 @@ FunctionPass *createLowerSwitchPass(); FunctionPass *createLowerSelectPass(bool OnlyFP = false); //===----------------------------------------------------------------------===// -// This pass converts 'invoke' instructions calls, and 'unwind' instructions -// into calls to abort(). +// This pass converts invoke and unwind instructions to use sjlj exception +// handling mechanisms. Note that after this pass runs the CFG is not entirely +// accurate (exceptional control flow edges are not correct anymore) so only +// very simple things should be done after the lowerinvoke pass has run (like +// generation of native code). This should not be used as a general purpose "my +// LLVM-to-LLVM pass doesn't support the invoke instruction yet" lowering pass. // FunctionPass *createLowerInvokePass(); extern const PassInfo *LowerInvokePassID; |