| Bug ID | 90056 |
|---|---|
| Summary | Unigine Valley regression since radeon/llvm: Run LLVM's instruction combining pass |
| Product | Mesa |
| Version | git |
| Hardware | Other |
| OS | All |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | Drivers/Gallium/radeonsi |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | adf.lists@gmail.com |
| QA Contact | dri-devel@lists.freedesktop.org |
R9270X Since commit c6d79ed289a75f13c65f011be870f7e43a0fedc7 Author: Tom Stellard <thomas.stellard@amd.com> Date: Fri Apr 10 17:07:16 2015 +0000 radeon/llvm: Run LLVM's instruction combining pass This should improve code quality in general and will help with some future changes to how we emit kill instructions. shader-db shows a few regressions, but these don't seem to be the result of deficiencies in instcombine. They're mostly caused by the scheduler making different decisions than before. Unigine Valley quits saying - Unhandled loop condition! UNREACHABLE executed at SIAnnotateControlFlow.cpp:267! Only tried my normal settings on valley which are quality ultra + 8x AA
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