[llvm] r183343 - R600: Add a pass that merge Vector Register

[NAKAMURA Takumi]

Suppressed in r183371 with arbitrary value.

Vincent, do you think it would be false alarm?

2013/6/6 Sean Silva <silvas at purdue.edu>:
> I'm getting the following warning:
>
> /Users/sean/pg/llvm/llvm/lib/Target/R600/R600OptimizeVectorRegisters.cpp:183:49:
> warning: variable 'Chan' is used uninitialized whenever 'for' loop exits
> because its condition is false [-Wsometimes-uninitialized]
>     for (unsigned j = 0, je = RemapChan.size(); j < je; j++) {
>                                                 ^~~~~~
> /Users/sean/pg/llvm/llvm/lib/Target/R600/R600OptimizeVectorRegisters.cpp:193:17:
> note: uninitialized use occurs here
>         .addImm(Chan);
>                 ^~~~
> /Users/sean/pg/llvm/llvm/lib/Target/R600/R600OptimizeVectorRegisters.cpp:183:49:
> note: remove the condition if it is always true
>     for (unsigned j = 0, je = RemapChan.size(); j < je; j++) {
>                                                 ^~~~~~
> /Users/sean/pg/llvm/llvm/lib/Target/R600/R600OptimizeVectorRegisters.cpp:182:18:
> note: initialize the variable 'Chan' to silence this warning
>     unsigned Chan;
>                  ^
>                   = 0
> 1 warning generated.
>
> -- Sean Silva
>
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