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0c4d8d25a7
expressions that used function pointers. The problem was that IRForTarget previously only scanned the IR for the expression for call instructions; if a function was used in another context, it was ignored. Now LLDB scans the Module for functions that are only declared (not also defined -- so these are externals); it then constructs function pointers for these functions and substitutes them wherever the function is used. Also made some changes so that "expr main" works just as well as "expr &main"; they end up being the same code, but LLDB was generating the result variable in different ways. llvm-svn: 136928