forked from OSchip/llvm-project
2eb7cbf987
Similar to how llvm::salvagDebugInfo hooks into InstCombine, this adds a hook that can be invoked before an SDNode that is associated with an SDDbgValue is erased to capture the effect of the deleted node in a DIExpression. The motivating example is an SDDebugValue attached to an ADD operation that gets folded into a LOAD+OFFSET operation. rdar://problem/32121503 llvm-svn: 316525 |
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llvm-c |