In http://reviews.llvm.org/D6870#109616, @steven_wu wrote:
> - Update patch that AsmLabels are now disabled with -fno-gnu-inline-asm. This
> also means functions with asm-labels will also be reported as an error with
> -fno-gnu-inline-asm.
I wasn't suggesting that we reject function asm labels, I was suggesting that
we reject variables marked as living in specific registers. Consider something
like:
register void *sp asm("esp");
int main () {
printf("sp: %p\n", sp);
}
This code compiles down to read the esp register in main.
I think using asm labels to rename something is not inherently architecture
specific and could be accepted even in the presence of -fno-inline-asm. What do
you think?
http://reviews.llvm.org/D6870
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