[LLVMbugs] [Bug 11866] New: linkonce_odr symbol shows up in library when using lto
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Thu Jan 26 21:24:33 PST 2012
http://llvm.org/bugs/show_bug.cgi?id=11866
Bug #: 11866
Summary: linkonce_odr symbol shows up in library when using lto
Product: libraries
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Interprocedural Optimizations
AssignedTo: unassignedbugs at nondot.org
ReportedBy: rafael.espindola at gmail.com
CC: llvmbugs at cs.uiuc.edu
Classification: Unclassified
Linking this IL file
--------------------------
%struct.foo = type { i8 }
define void @_Z3zedP3foo(%struct.foo* nocapture %x) uwtable optsize ssp {
tail call void @_ZN3foo3barEv(%struct.foo* undef) optsize
ret void
}
define linkonce_odr void @_ZN3foo3barEv(%struct.foo* nocapture %this) uwtable
optsize noinline ssp align 2 {
tail call void @_Z1fv() optsize
ret void
}
declare void @_Z1fv() optsize
----------------------
with a regular object file defining _Z1fv with
ld -shared -o t.so test.o test2.o -plugin LLVMgold.so -plugin-opt
generate-api-file
produces a .so with _ZN3foo3barEv visible (it is also included in the apifile).
Given the definition of linkonce_odr, we should be able to avoid including it.
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