[llvm] r203664 - Update the datalayout string for ppc64LE.

[Rafael Espíndola]

you should also update clang and make sure that it is tested in
test/CodeGen/target-data.c.

On 12 March 2014 10:59, Will Schmidt <will_schmidt at vnet.ibm.com> wrote:
> Author: willschm
> Date: Wed Mar 12 09:59:17 2014
> New Revision: 203664
>
> URL: http://llvm.org/viewvc/llvm-project?rev=203664&view=rev
> Log:
> Update the datalayout string for ppc64LE.
>
> Update the datalayout string for ppc64LE.
>
>
> Modified:
>     llvm/trunk/lib/Target/PowerPC/PPCTargetMachine.cpp
>
> Modified: llvm/trunk/lib/Target/PowerPC/PPCTargetMachine.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCTargetMachine.cpp?rev=203664&r1=203663&r2=203664&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPCTargetMachine.cpp (original)
> +++ llvm/trunk/lib/Target/PowerPC/PPCTargetMachine.cpp Wed Mar 12 09:59:17 2014
> @@ -37,8 +37,13 @@ extern "C" void LLVMInitializePowerPCTar
>  static std::string getDataLayoutString(const PPCSubtarget &ST) {
>    const Triple &T = ST.getTargetTriple();
>
> -  // PPC is big endian.
> -  std::string Ret = "E";
> +  std::string Ret;
> +
> +  // Most PPC* platforms are big endian, PPC64LE is little endian.
> +  if (ST.isLittleEndian())
> +    Ret = "e";
> +  else
> +    Ret = "E";
>
>    Ret += DataLayout::getManglingComponent(T);
>
>
>
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