[llvm-dev] RFC: We should stop merging allocas in the inliner

[Joerg Sonnenberger via llvm-dev]

On Mon, Aug 01, 2016 at 04:47:49AM +0000, Chandler Carruth via llvm-dev wrote:
> Chris added alloca merging in the inliner a looooong time ago, 2009. The
> reason he added it was because at the time we didn't do stack coloring and
> without it we had serious stack size problems in LLVM.

Do we have any way to hunt for stack size regressions? I've been hit by
some serious bugs in this area in GCC in the past and I would prefer to
not repeat that experience with LLVM.

Joerg