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Summary: The issue happens with: %0 = ....., !tbaa !0 %1 = ....., !tbaa !1 With !0 that references !1. In this case when loading !0 we generates a temporary for the operand !1. We now flush it immediately and trigger the load of !1 before moving on. If we don't we get the temporary when attaching to %1. This is usually not an issue except that we eagerly try to update TBAA MDNodes, which is obviously not possible if we only have a temporary. Differential Revision: https://reviews.llvm.org/D28423 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@291362 91177308-0d34-0410-b5e6-96231b3b80d8
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