http://llvm.org/bugs/show_bug.cgi?id=10251
Summary: Early tail dup still not as good and duplicating
indirectbr in clang
Product: libraries
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: Common Code Generator Code
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=6813)
--> (http://llvm.org/bugs/attachment.cgi?id=6813)
indirect.patch
Things got a lot better with the new improvements to the coalescer, but
duplicating indirectbr in clang still produces better results.
In jsinterp.o, the current trunk produces:
171419 3904 0 0 175323 2acdb
And duplicating indirectbr in clang produces:
117275 3904 0 0 121179 1d95b
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