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e5d85d174b
Since IMPLIFIT_DEF instructions are omitted in the output, when the output of an IMPLICIT_DEF instruction is stackified, the resulting register lacks an explicit push, leading to a push/pop mismatch. Fix this by converting such IMPLICIT_DEFs into CONST_I32 0 instructions so that they have explicit pushes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@286274 91177308-0d34-0410-b5e6-96231b3b80d8