[llvm] r219804 - Use 'auto' for easier reading; no functional change intended.

[David Blaikie]

I /think/ we generally like to still specify the 'const' when using auto
(like we specify the '*') - though this probably isn't a hard-and-fast
rule, just a thought.

On Wed, Oct 15, 2014 at 9:21 AM, Sanjay Patel <spatel at rotateright.com>
wrote:

> Author: spatel
> Date: Wed Oct 15 11:21:37 2014
> New Revision: 219804
>
> URL: http://llvm.org/viewvc/llvm-project?rev=219804&view=rev
> Log:
> Use 'auto' for easier reading; no functional change intended.
>
> Modified:
>     llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp
>
> Modified: llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp?rev=219804&r1=219803&r2=219804&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp (original)
> +++ llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp Wed Oct 15 11:21:37
> 2014
> @@ -710,18 +710,15 @@ static void WriteModuleInfo(const Module
>  static uint64_t GetOptimizationFlags(const Value *V) {
>    uint64_t Flags = 0;
>
> -  if (const OverflowingBinaryOperator *OBO =
> -        dyn_cast<OverflowingBinaryOperator>(V)) {
> +  if (auto *OBO = dyn_cast<OverflowingBinaryOperator>(V)) {
>      if (OBO->hasNoSignedWrap())
>        Flags |= 1 << bitc::OBO_NO_SIGNED_WRAP;
>      if (OBO->hasNoUnsignedWrap())
>        Flags |= 1 << bitc::OBO_NO_UNSIGNED_WRAP;
> -  } else if (const PossiblyExactOperator *PEO =
> -               dyn_cast<PossiblyExactOperator>(V)) {
> +  } else if (auto *PEO = dyn_cast<PossiblyExactOperator>(V)) {
>      if (PEO->isExact())
>        Flags |= 1 << bitc::PEO_EXACT;
> -  } else if (const FPMathOperator *FPMO =
> -             dyn_cast<const FPMathOperator>(V)) {
> +  } else if (auto *FPMO = dyn_cast<const FPMathOperator>(V)) {
>      if (FPMO->hasUnsafeAlgebra())
>        Flags |= FastMathFlags::UnsafeAlgebra;
>      if (FPMO->hasNoNaNs())
>
>
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