[llvm] [GlobalISel][AArch64] AArch64O0PreLegalizerCombiner: Disable fixed-point iteration (PR #94291)

[Tobias Stadler via llvm-commits]

tobias-stadler wrote:

> Instead of the boolean `EnableFixedPointIteration`, I would prefer an upper limit on the number of iterations to have more control.
I don't see where this would be needed. The overwhelming majority of work is done in the first iteration. Limiting the number of iterations to 2 already performs identically to fixed-point iteration on CTMark O2.



https://github.com/llvm/llvm-project/pull/94291