[LLVMdev] Disable memset synthesization

Krzysztof Parzyszek kparzysz at codeaurora.org
Tue Jul 30 11:01:46 PDT 2013

On 7/30/2013 12:55 PM, Bin Tzeng wrote:
> Hi all,
> LLVM is smart that it can synthesize llvm.memset, llvm.memcpy etc. from
> loops, which can be lowered into calls to memset, memcpy and so on. Is
> there an option that can disable this optimization? For some cases, I do
> not want the code to depend on libc.

You can use -fno-builtin, if that suits your needs.


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