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Correctly handle multiple DBG_VALUE instructions at the same SlotIndex.
It is possible to have multiple DBG_VALUEs for the same variable: 32L TEST32rr %vreg0<kill>, %vreg0, %EFLAGS<imp-def>; GR32:%vreg0 DBG_VALUE 2, 0, !"i" DBG_VALUE %noreg, %0, !"i" When that happens, keep the last one instead of the first. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136842 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -179,6 +179,9 @@ public:
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LocMap::iterator I = locInts.find(Idx);
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if (!I.valid() || I.start() != Idx)
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I.insert(Idx, Idx.getNextSlot(), getLocationNo(LocMO));
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else
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// A later DBG_VALUE at the same SlotIndex overrides the old location.
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I.setValue(getLocationNo(LocMO));
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}
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/// extendDef - Extend the current definition as far as possible down the
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