On 25 February 2014 19:30, Bob Wilson <[email protected]> wrote:
> Rafael, this change is causing problems. Apple’s linker needs to see labels
> in the __ustring sections, and with this change, the ustring labels are local
> to the assembler and never seen at link-time. Please revert this. We can
> investigate getting the linker to relax that constraint in the future, but it
> doesn’t work now.
That is not the case. Since r201700 llvm knows the needs of the
linker. For example, given
@private2 = private unnamed_addr constant [5 x i16] [i16 116, i16 101,
i16 115, i16 116, i16 0]
llc will print
.section __TEXT,__text,regular,pure_instructions
.section __TEXT,__ustring
.align 1 ## @private2
l_private2:
.short 116 ## 0x74
.short 101 ## 0x65
.short 115 ## 0x73
.short 116 ## 0x74
.short 0 ## 0x0
note that a lowercase 'l' is used, so the symbol *is* visible to the linker.
Cheers,
Rafael
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