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Bug 835 - trivially changing tblgen causes tons of stuff to rebuild 
Summary: trivially changing tblgen causes tons of stuff to rebuild
Status: RESOLVED FIXED
Alias: None
Product: Build scripts
Classification: Unclassified
Component: Makefiles (show other bugs)
Version: 1.7
Hardware: All All
: P enhancement
Assignee: Chris Lattner
URL:
Keywords: quality-of-implementation
Depends on:
Blocks:
 
Reported: 2006-07-18 20:28 PDT by Chris Lattner
Modified: 2010-02-22 12:49 PST (History)
1 user (show)

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Description Chris Lattner 2006-07-18 20:28:59 PDT 
Instructions.gen depends on tblgen, and lots of stuff uses intrinsics.gen.  We should do the "only if bytes 
actually changed" trick like the code generators do to avoid rebuilding everything.

-Chris
Comment 1 Chris Lattner 2006-07-20 11:45:33 PDT 
Fixed, patch here:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20060717/036086.html

-Chris