[llvm] r234904 - DebugInfo: Add implicit conversion from DISubprogram to DIScope

[Sean Silva]

On Tue, Apr 14, 2015 at 5:19 PM, Duncan P. N. Exon Smith <
dexonsmith at apple.com> wrote:

> Author: dexonsmith
> Date: Tue Apr 14 11:19:44 2015
> New Revision: 234904
>
> URL: http://llvm.org/viewvc/llvm-project?rev=234904&view=rev
> Log:
> DebugInfo: Add implicit conversion from DISubprogram to DIScope
>
> As a follow-up to r234850, add an implicit conversion from
> `DISubprogram` to `DIScope` to support Kaleidoscope Ch. 8.  This also
> reverts that band-aid from r234890.
>
> (/me learns *again* to build Kaleidoscope before commit...)
>

There is also http://llvm.org/docs/tutorial/LangImpl8.html
(llvm/docs/tutorial/LangImpl8.rst)

-- Sean Silva



>
> Modified:
>     llvm/trunk/examples/Kaleidoscope/Chapter8/toy.cpp
>     llvm/trunk/include/llvm/IR/DebugInfo.h
>
> Modified: llvm/trunk/examples/Kaleidoscope/Chapter8/toy.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/examples/Kaleidoscope/Chapter8/toy.cpp?rev=234904&r1=234903&r2=234904&view=diff
>
> ==============================================================================
> --- llvm/trunk/examples/Kaleidoscope/Chapter8/toy.cpp (original)
> +++ llvm/trunk/examples/Kaleidoscope/Chapter8/toy.cpp Tue Apr 14 11:19:44
> 2015
> @@ -1234,7 +1234,7 @@ Function *PrototypeAST::Codegen() {
>        CreateFunctionType(Args.size(), Unit), false /* internal linkage */,
>        true /* definition */, ScopeLine, DIDescriptor::FlagPrototyped,
> false, F);
>
> -  KSDbgInfo.FnScopeMap[this] = (DIScope)SP;
> +  KSDbgInfo.FnScopeMap[this] = SP;
>    return F;
>  }
>
>
> Modified: llvm/trunk/include/llvm/IR/DebugInfo.h
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/DebugInfo.h?rev=234904&r1=234903&r2=234904&view=diff
>
> ==============================================================================
> --- llvm/trunk/include/llvm/IR/DebugInfo.h (original)
> +++ llvm/trunk/include/llvm/IR/DebugInfo.h Tue Apr 14 11:19:44 2015
> @@ -437,6 +437,7 @@ public:
>        : N(const_cast<MDSubprogram *>(N)) {}
>
>    operator DIDescriptor() const { return N; }
> +  operator DIScope() const { return N; }
>    operator MDSubprogram *() const { return N; }
>    MDSubprogram *operator->() const { return N; }
>    MDSubprogram &operator*() const { return *N; }
>
>
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