[llvm] [AMDGPU] Enabled machine scheduler option amdgpu-use-amdgpu-trackers. (PR #169187)

[Dhruva Chakrabarti via llvm-commits]

dhruvachak wrote:

> > * materialize-frame-index-sgpr.ll: This test uses inline assembly but GCN trackers do not account for physical registers, leading to out of registers error during RA. Hence GCN trackers have been disabled for this test.
> 
> What about real world code that uses inline assembly - will that also fail to compile after this change?

Real world code should be fine. This test intentionally limits available registers which usually won't happen for real code. Other LIT tests have inline asm and they compile fine.

I updated my comment in the summary to reflect this aspect.

https://github.com/llvm/llvm-project/pull/169187