[llvm-commits] [llvm] r65341 - in /llvm/trunk: lib/Target/X86/X86FastISel.cpp test/CodeGen/X86/fast-isel-tls.ll

[Rafael Espindola]

Maybe this should be in the release.

2009/2/23 Dan Gohman <gohman at apple.com>:
> Author: djg
> Date: Mon Feb 23 16:03:08 2009
> New Revision: 65341
>
> URL: http://llvm.org/viewvc/llvm-project?rev=65341&view=rev
> Log:
> Fast-isel can't do TLS yet, so it should fall back to SDISel
> if it sees TLS addresses.
>
> Added:
>    llvm/trunk/test/CodeGen/X86/fast-isel-tls.ll
> Modified:
>    llvm/trunk/lib/Target/X86/X86FastISel.cpp
>
> Modified: llvm/trunk/lib/Target/X86/X86FastISel.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86FastISel.cpp?rev=65341&r1=65340&r2=65341&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/X86/X86FastISel.cpp (original)
> +++ llvm/trunk/lib/Target/X86/X86FastISel.cpp Mon Feb 23 16:03:08 2009
> @@ -21,6 +21,7 @@
>  #include "X86TargetMachine.h"
>  #include "llvm/CallingConv.h"
>  #include "llvm/DerivedTypes.h"
> +#include "llvm/GlobalVariable.h"
>  #include "llvm/Instructions.h"
>  #include "llvm/Intrinsics.h"
>  #include "llvm/CodeGen/FastISel.h"
> @@ -433,6 +434,11 @@
>         (AM.Base.Reg != 0 || AM.IndexReg != 0))
>       return false;
>
> +    // Can't handle TLS yet.
> +    if (GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV))
> +      if (GVar->isThreadLocal())
> +        return false;
> +
>     // Set up the basic address.
>     AM.GV = GV;
>     if (!isCall &&
>
> Added: llvm/trunk/test/CodeGen/X86/fast-isel-tls.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/fast-isel-tls.ll?rev=65341&view=auto
>
> ==============================================================================
> --- llvm/trunk/test/CodeGen/X86/fast-isel-tls.ll (added)
> +++ llvm/trunk/test/CodeGen/X86/fast-isel-tls.ll Mon Feb 23 16:03:08 2009
> @@ -0,0 +1,10 @@
> +; RUN: llvm-as < %s | llc -march=x86 -relocation-model=pic -mtriple=i686-unknown-linux-gnu -fast-isel | grep __tls_get_addr
> +; PR3654
> +
> + at v = thread_local global i32 0
> +define i32 @f() nounwind {
> +entry:
> +          %t = load i32* @v
> +          %s = add i32 %t, 1
> +          ret i32 %s
> +}
>
>
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-- 
Rafael Avila de Espindola

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