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nir/opt_if: use nir_alu_instr_is_comparison directly

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Since 2d6233d0 ("nir: Check all sizes in nir_alu_instr_is_comparison"),
nir_alu_instr_is_comparison already returns true for comparisons with 32bit
result.

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23287>
This commit is contained in:
Georg Lehmann 2023-05-28 09:12:46 +02:00 • committed by Marge Bot
parent 94958e637d
commit 76a82c3ac9
1 changed files with 1 additions and 21 deletions
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22
src/compiler/nir/nir_opt_if.c
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@ -269,26 +269,6 @@ opt_peel_loop_initial_if(nir_loop *loop)
return true;
}
static bool
alu_instr_is_comparison(const nir_alu_instr *alu)
{
switch (alu->op) {
case nir_op_flt32:
case nir_op_fge32:
case nir_op_feq32:
case nir_op_fneu32:
case nir_op_ilt32:
case nir_op_ult32:
case nir_op_ige32:
case nir_op_uge32:
case nir_op_ieq32:
case nir_op_ine32:
return true;
default:
return nir_alu_instr_is_comparison(alu);
}
}
static bool
alu_instr_is_type_conversion(const nir_alu_instr *alu)
{
@ -423,7 +403,7 @@ opt_split_alu_of_phi(nir_builder *b, nir_loop *loop)
* conversions also lead to regressions.
*/
if (nir_op_is_vec(alu->op) ||
alu_instr_is_comparison(alu) ||
nir_alu_instr_is_comparison(alu) ||
alu_instr_is_type_conversion(alu))
continue;