[Mesa-dev] [PATCH 3/4] i965/vs: Add simple dead code elimination.

[Matt Turner]

On Thu, Aug 18, 2011 at 2:38 PM, Eric Anholt <eric at anholt.net> wrote:
> +   bool progress = true;
> +   while (progress) {
> +      progress = false;
> +      progress = dead_code_eliminate() || progress;

|| progress is always false, though maybe it's just written like that
to match the style of the code.

I'd have just written this as

bool progress;
do {
    progress = dead_code_eliminate();
} while (progress)

Matt