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nv/codegen: Limit MemoryOpt to input/output/const

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Reviewed-by: Karol Herbst <kherbst@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24984>
This commit is contained in:
M Henning 2023-08-26 15:18:52 -04:00 • committed by Marge Bot
parent 672246f0fa
commit 64e27b2af1
1 changed files with 7 additions and 2 deletions
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9
src/nouveau/codegen/nv50_ir_peephole.cpp
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@ -3221,14 +3221,19 @@ MemoryOpt::runOpt(BasicBlock *bb)
}
continue;
}
DataFile file = ldst->src(0).getFile();
if (file != FILE_MEMORY_CONST &&
file != FILE_SHADER_INPUT &&
file != FILE_SHADER_OUTPUT)
continue;
if (ldst->getPredicate()) // TODO: handle predicated ld/st
continue;
if (ldst->perPatch) // TODO: create separate per-patch lists
continue;
if (isLoad) {
DataFile file = ldst->src(0).getFile();
// if ld l[]/g[] look for previous store to eliminate the reload
if (file == FILE_MEMORY_GLOBAL || file == FILE_MEMORY_LOCAL) {
// TODO: shared memory ?