search for: _infers_

Hi, I just came across a rather annoying behavior with llvm 3.9. Assuming the following samle code in test.ll: ; Lets have some global int x = 4 @x = global i32 10, align 4 ; and two strings "p = %d\n" for the prefix data, ; as well as "x = %d\n" to print the (global) x value. @.str = private unnamed_addr constant [8 x i8] c"x = %d\0A\00", align 1 @.str2 = private

...n, Mar 6, 2017 at 11:19 AM, James Y Knight via llvm-dev < llvm-dev at lists.llvm.org> wrote: > AFAIK, this cannot actually work on Apple platforms, because its object > file format (Mach-O) doesn't use sections to determine the ranges of > code/data to keep together, but instead _infers_ boundaries based on the > range between global symbols in the symbol table. > > So, the symbol pointing to the beginning of @main *necessarily* makes that > be a section boundary. > > I think the best that could be done in LLVM is to not emit the > ".subsections_via_symbol...

...mes Y Knight via llvm-dev <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote: > AFAIK, this cannot actually work on Apple platforms, because its object file format (Mach-O) doesn't use sections to determine the ranges of code/data to keep together, but instead _infers_ boundaries based on the range between global symbols in the symbol table. > > So, the symbol pointing to the beginning of @main *necessarily* makes that be a section boundary. > > I think the best that could be done in LLVM is to not emit the ".subsections_via_symbols" asm d...

...2017 at 11:19 AM, James Y Knight via llvm-dev < > llvm-dev at lists.llvm.org> wrote: > > AFAIK, this cannot actually work on Apple platforms, because its object > file format (Mach-O) doesn't use sections to determine the ranges of > code/data to keep together, but instead _infers_ boundaries based on the > range between global symbols in the symbol table. > > > > So, the symbol pointing to the beginning of @main *necessarily* makes > that be a section boundary. > > > > I think the best that could be done in LLVM is to not emit the > ".su...

...at 11:19 AM, James Y Knight via llvm-dev < > llvm-dev at lists.llvm.org> wrote: > > > AFAIK, this cannot actually work on Apple platforms, because its > object file format (Mach-O) doesn't use sections to determine the ranges of > code/data to keep together, but instead _infers_ boundaries based on the > range between global symbols in the symbol table. > > > > > > So, the symbol pointing to the beginning of @main *necessarily* makes > that be a section boundary. > > > > > > I think the best that could be done in LLVM is to not emi...

...1:19 AM, James Y Knight via llvm-dev < > llvm-dev at lists.llvm.org> wrote: > > > > AFAIK, this cannot actually work on Apple platforms, because its > object file format (Mach-O) doesn't use sections to determine the ranges of > code/data to keep together, but instead _infers_ boundaries based on the > range between global symbols in the symbol table. > > > > > > > > So, the symbol pointing to the beginning of @main *necessarily* > makes that be a section boundary. > > > > > > > > I think the best that could be done i...