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nir/unsigned_upper_bound: fix phi(bcsel)

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This was looking at the wrong sources. src0 is the condition.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Konstantin Seurer <konstantin.seurer@gmail.com>
Fixes: 72ac3f6026 ("nir: add nir_unsigned_upper_bound and nir_addition_might_overflow")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23990>
This commit is contained in:
Rhys Perry
2023-07-03 18:36:28 +01:00
committed by Marge Bot
parent 34c4a195f9
commit 1139d870f3
1 changed files with 3 additions and 3 deletions
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6
src/compiler/nir/nir_range_analysis.c
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@@ -1418,12 +1418,12 @@ search_phi_bcsel(nir_ssa_scalar scalar, nir_ssa_scalar *buf, unsigned buf_size,
nir_op op = nir_ssa_scalar_alu_op(scalar);
if ((op == nir_op_bcsel || op == nir_op_b32csel) && buf_size >= 2) {
nir_ssa_scalar src0 = nir_ssa_scalar_chase_alu_src(scalar, 0);
nir_ssa_scalar src1 = nir_ssa_scalar_chase_alu_src(scalar, 1);
nir_ssa_scalar src2 = nir_ssa_scalar_chase_alu_src(scalar, 2);
unsigned added = search_phi_bcsel(src0, buf, buf_size - 1, visited);
unsigned added = search_phi_bcsel(src1, buf, buf_size - 1, visited);
buf_size -= added;
added += search_phi_bcsel(src1, buf + added, buf_size, visited);
added += search_phi_bcsel(src2, buf + added, buf_size, visited);
return added;
}
}