[llvm-commits] [llvm] r50187 - /llvm/trunk/lib/Target/CBackend/CBackend.cpp

[Devang Patel]

Dan,
Thanks!
-
Devang
On Apr 23, 2008, at 2:49 PM, Dan Gohman wrote:

> Author: djg
> Date: Wed Apr 23 16:49:29 2008
> New Revision: 50187
>
> URL: http://llvm.org/viewvc/llvm-project?rev=50187&view=rev
> Log:
> Initial CBE support for multiple return values.
>
> Modified:
>    llvm/trunk/lib/Target/CBackend/CBackend.cpp
>
> Modified: llvm/trunk/lib/Target/CBackend/CBackend.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/CBackend/CBackend.cpp?rev=50187&r1=50186&r2=50187&view=diff
>
> =
> =
> =
> =
> =
> =
> =
> =
> ======================================================================
> --- llvm/trunk/lib/Target/CBackend/CBackend.cpp (original)
> +++ llvm/trunk/lib/Target/CBackend/CBackend.cpp Wed Apr 23 16:49:29  
> 2008
> @@ -283,6 +283,7 @@
>     void visitInsertElementInst(InsertElementInst &I);
>     void visitExtractElementInst(ExtractElementInst &I);
>     void visitShuffleVectorInst(ShuffleVectorInst &SVI);
> +    void visitGetResultInst(GetResultInst &GRI);
>
>     void visitInstruction(Instruction &I) {
>       cerr << "C Writer does not know about " << I;
> @@ -2174,6 +2175,24 @@
>     return;
>   }
>
> +  if (I.getNumOperands() > 1) {
> +    Out << "  {\n";
> +    Out << "    ";
> +    printType(Out, I.getParent()->getParent()->getReturnType());
> +    Out << "   llvm_cbe_mrv_temp = {\n";
> +    for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i) {
> +      Out << "      ";
> +      writeOperand(I.getOperand(i));
> +      if (i != e - 1)
> +        Out << ",";
> +      Out << "\n";
> +    }
> +    Out << "    };\n";
> +    Out << "    return llvm_cbe_mrv_temp;\n";
> +    Out << "  }\n";
> +    return;
> +  }
> +
>   Out << "  return";
>   if (I.getNumOperands()) {
>     Out << ' ';
> @@ -3184,6 +3203,17 @@
>   Out << "}";
> }
>
> +void CWriter::visitGetResultInst(GetResultInst &GRI) {
> +  Out << "(";
> +  if (isa<UndefValue>(GRI.getOperand(0))) {
> +    Out << "(";
> +    printType(Out, GRI.getType());
> +    Out << ") 0/*UNDEF*/";
> +  } else {
> +    Out << GetValueName(GRI.getOperand(0)) << ".field" <<  
> GRI.getIndex();
> +  }
> +  Out << ")";
> +}
>
> // 
> = 
> = 
> = 
> ----------------------------------------------------------------------= 
> ==//
> //                       External Interface declaration
>
>
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