[LLVMdev] [PATCH] gcc-4.8.1 -flto, error for visibility of LLVMX86CompilationCallback2?

[Patrik Hägglund H]

Thanks. Commited as r183824.

/Patrik Hägglund

-----Original Message-----
From: llvmdev-bounces at cs.uiuc.edu [mailto:llvmdev-bounces at cs.uiuc.edu] On Behalf Of Duncan Sands
Sent: den 12 juni 2013 10:03
To: llvmdev at cs.uiuc.edu
Subject: Re: [LLVMdev] [PATCH] gcc-4.8.1 -flto, error for visibility of LLVMX86CompilationCallback2?

Hi Patrik,

On 12/06/13 09:48, Patrik Hägglund H wrote:
> Thanks, now it links.
>
> If nobody objects, I will commit the following patch:
>
> diff --git a/lib/Target/X86/X86JITInfo.cpp b/lib/Target/X86/X86JITInfo.cpp
> index 44d8cce..8acc220 100644
> --- a/lib/Target/X86/X86JITInfo.cpp
> +++ b/lib/Target/X86/X86JITInfo.cpp
> @@ -339,6 +339,8 @@ extern "C" {
>   /// must locate the start of the stub or call site and pass it into the JIT
>   /// compiler function.
>   extern "C" {
> +LLVM_ATTRIBUTE_USED // Fix gcc -flto builds. gcc's LTO (as of 4.8.1) don't sees
> +                    // references from inline asm.

clang also doesn't see references from inline asm...  I suggest you say:

   LLVM_ATTRIBUTE_USED // referenced from inline asm.

Ciao, Duncan.
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