[LLVMdev] AsmPrinter behavior
Chris Lattner
clattner at apple.com
Fri May 7 00:03:42 PDT 2010
On May 6, 2010, at 10:01 PM, Nathan Jeffords wrote:
> I compile these two lines in llc
>
> @tst1 = internal global [4 x i8] zeroinitializer;
> @tst2 = internal global [4 x i8] [i8 0, i8 1, i8 2, i8 3];
>
> @tst1 is emited via MCStreamer::EmitCommonSymbol
> while the other is emited via MCStreamer::EmitLabel followed by MCStreamer::EmitBytes
>
> from what I can tell, only symbols with common linkage should me emitted by MCStreamer::EmitCommonSymbol,
>
> is this the expected behavior or should I fix it?
This is expected behavior. tst1 should be emitted with something like:
.local _tst1
.comm _tst1, ...
based on the exact syntax of your target. If your target supports .lcomm, you can also enable that.
-Chris
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