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dbb747a8e2
Summary: - Constant expressions may not be added in strict postorder as the forward instruction scan order. Thus, for a constant express (CE0), if its operand (CE1) is used in an previous instruction, they are not in postorder. However, different from `cloneInstructionWithNewAddressSpace`, `cloneConstantExprWithNewAddressSpace` doesn't bookkeep uninferred instructions for later resolving. That results in failure of inferring constant address. - This patch adds the support to infer constant expression operand recursively, since there won't be loop, if that operand is another constant expression. Reviewers: arsenm Subscribers: jholewinski, jvesely, wdng, nhaehnle, hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D61760 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@360431 91177308-0d34-0410-b5e6-96231b3b80d8