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authorMichael Gottesman <mgottesman@apple.com>2013-04-05 22:54:32 +0000
committerMichael Gottesman <mgottesman@apple.com>2013-04-05 22:54:32 +0000
commite8b3c2e48aa597f08d029ecaed6c1f7ae3a1d111 (patch)
tree6902e770f3a7c0ccd4c0b666a9c0afac18d023db /lib/Transforms/ObjCARC/ObjCARCOpts.cpp
parente7ce2b3f75da1cdb657753592b73cda4252817ef (diff)
An objc_retain can serve as a use for a different pointer.
This is the counterpart to commit r160637, except it performs the action in the bottomup portion of the data flow analysis. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178922 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/ObjCARC/ObjCARCOpts.cpp')
-rw-r--r--lib/Transforms/ObjCARC/ObjCARCOpts.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
index 9f59b68d68..acc32d5eb3 100644
--- a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
+++ b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
@@ -1817,8 +1817,9 @@ ObjCARCOpt::VisitInstructionBottomUp(Instruction *Inst,
case S_Retain:
llvm_unreachable("bottom-up pointer in retain state!");
}
- ANNOTATE_BOTTOMUP(Inst, Arg, OldSeq, S.GetSeq());
- return NestingDetected;
+ ANNOTATE_BOTTOMUP(Inst, Arg, OldSeq, S.GetSeq());
+ // A retain moving bottom up can be a use.
+ break;
}
case IC_AutoreleasepoolPop:
// Conservatively, clear MyStates for all known pointers.