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r00/sfn: Fix copy propagation into buffer load address

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A buffer load can not use an indirect register as address.

Fixes: 79ca456b48 ("r600/sfn: rewrite NIR backend")

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36488>
This commit is contained in:
Gert Wollny 2025-07-31 17:16:45 +02:00 • committed by Marge Bot
parent 39543f6b5c
commit 874005aeb7
1 changed files with 2 additions and 0 deletions
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2
src/gallium/drivers/r600/sfn/sfn_instr_fetch.cpp
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@ -124,6 +124,8 @@ FetchInstr::replace_source(PRegister old_src, PVirtualValue new_src)
bool success = false;
auto new_reg = new_src->as_register();
if (new_reg) {
if (!new_reg->has_flag(Register::ssa) && new_reg->addr())
return false;
if (old_src->equal_to(*m_src)) {
m_src->del_use(this);
m_src = new_reg;