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On 05/22/2018 04:32 AM, Dávid Bolvanský via llvm-dev wrote: > Hello, > > A new patch: > https://reviews.llvm.org/D47159 > > proposes transformations like: > printf("Hello, %s %d", "world", 123) - > printf("Hello world 123") To clarify, the real question here comes up when you can only substitute some of the arguments? If you can substitute all

Hello, A new patch: https://reviews.llvm.org/D47159 proposes transformations like: printf("Hello, %s %d", "world", 123) - > printf("Hello world 123") As Eli noted: "I'm not sure we can rewrite calls to varargs functions safely in general given the current state of the C ABI rules in LLVM. Sometimes clang does weird things to conform with the ABI

...-- > Hal Finkel > Lead, Compiler Technology and Programming Languages > Leadership Computing Facility > Argonne National Laboratory > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20180522/d82f38da/attachment.html>