labath added inline comments.

================
Comment at: lldb/source/Expression/IRExecutionUnit.cpp:601
 
   if (log) {
+    LLDB_LOGF(log,
----------------
jingham wrote:
> labath wrote:
> > looks like there are some `if(log)`s still remaining. Maybe the `{}` around 
> > the printf confused your vim macro?
> There will always be some "if (log)" statements.  Whenever consing up the log 
> message involves work, you should always say:
> 
> if (log) {
>    /// Do expensive work
>    LLDB_LOG...
> }
> 
> Not saying that all the remaining "if (logs)" are for that reason, but then 
> intent is NOT to remove all such statements as they serve a useful purpose.
I'm fine with `if(log)`s staying if they serve a purpose (or even if they're 
hard to remove in this patch). However, I would expect that with LLDB_LOG, they 
become much less frequently needed, because the formatter is much more powerful 
(e.g., there is no need to write a for loop just to print an array, etc.)


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D65128/new/

https://reviews.llvm.org/D65128



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