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pan/bi: Test CMP result_type optimization

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Add unit tests ensuring the optimization applies in all the cases we care about,
as functional integration tests (CTS and Piglit) won't test this. Also add unit
tests for a few cases where we specifically cannot fuse, in case these cases are
missed by the tests.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16725>
This commit is contained in:
Alyssa Rosenzweig 2022-01-06 16:43:07 -05:00 • committed by Marge Bot
parent 501a66cb5c
commit 01ba3460a9
1 changed files with 69 additions and 0 deletions
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69
src/panfrost/bifrost/test/test-optimizer.cpp
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@ -352,3 +352,72 @@ TEST_F(Optimizer, DoNotFuseSpecialComparisons)
NEGCASE(bi_discard_b32(b, bi_fcmp_f32(b, x, y, BI_CMPF_GTLT, BI_RESULT_TYPE_F1)));
NEGCASE(bi_discard_b32(b, bi_fcmp_f32(b, x, y, BI_CMPF_TOTAL, BI_RESULT_TYPE_F1)));
}
TEST_F(Optimizer, FuseResultType)
{
CASE(bi_mux_i32_to(b, reg, bi_imm_f32(0.0), bi_imm_f32(1.0),
bi_fcmp_f32(b, x, y, BI_CMPF_LE, BI_RESULT_TYPE_M1),
BI_MUX_INT_ZERO),
bi_fcmp_f32_to(b, reg, x, y, BI_CMPF_LE, BI_RESULT_TYPE_F1));
CASE(bi_mux_i32_to(b, reg, bi_imm_f32(0.0), bi_imm_f32(1.0),
bi_fcmp_f32(b, bi_abs(x), bi_neg(y), BI_CMPF_LE, BI_RESULT_TYPE_M1),
BI_MUX_INT_ZERO),
bi_fcmp_f32_to(b, reg, bi_abs(x), bi_neg(y), BI_CMPF_LE, BI_RESULT_TYPE_F1));
CASE(bi_mux_i32_to(b, reg, bi_imm_u32(0), bi_imm_u32(1),
bi_fcmp_f32(b, bi_abs(x), bi_neg(y), BI_CMPF_LE, BI_RESULT_TYPE_M1),
BI_MUX_INT_ZERO),
bi_fcmp_f32_to(b, reg, bi_abs(x), bi_neg(y), BI_CMPF_LE, BI_RESULT_TYPE_I1));
CASE(bi_mux_v2i16_to(b, reg, bi_imm_f16(0.0), bi_imm_f16(1.0),
bi_fcmp_v2f16(b, bi_abs(x), bi_neg(y), BI_CMPF_LE, BI_RESULT_TYPE_M1),
BI_MUX_INT_ZERO),
bi_fcmp_v2f16_to(b, reg, bi_abs(x), bi_neg(y), BI_CMPF_LE, BI_RESULT_TYPE_F1));
CASE(bi_mux_v2i16_to(b, reg, bi_imm_u16(0), bi_imm_u16(1),
bi_fcmp_v2f16(b, bi_abs(x), bi_neg(y), BI_CMPF_LE, BI_RESULT_TYPE_M1),
BI_MUX_INT_ZERO),
bi_fcmp_v2f16_to(b, reg, bi_abs(x), bi_neg(y), BI_CMPF_LE, BI_RESULT_TYPE_I1));
CASE(bi_mux_i32_to(b, reg, bi_imm_u32(0), bi_imm_u32(1),
bi_icmp_u32(b, x, y, BI_CMPF_LE, BI_RESULT_TYPE_M1),
BI_MUX_INT_ZERO),
bi_icmp_u32_to(b, reg, x, y, BI_CMPF_LE, BI_RESULT_TYPE_I1));
CASE(bi_mux_v2i16_to(b, reg, bi_imm_u16(0), bi_imm_u16(1),
bi_icmp_v2u16(b, x, y, BI_CMPF_LE, BI_RESULT_TYPE_M1),
BI_MUX_INT_ZERO),
bi_icmp_v2u16_to(b, reg, x, y, BI_CMPF_LE, BI_RESULT_TYPE_I1));
CASE(bi_mux_v4i8_to(b, reg, bi_imm_u8(0), bi_imm_u8(1),
bi_icmp_v4u8(b, x, y, BI_CMPF_LE, BI_RESULT_TYPE_M1),
BI_MUX_INT_ZERO),
bi_icmp_v4u8_to(b, reg, x, y, BI_CMPF_LE, BI_RESULT_TYPE_I1));
CASE(bi_mux_i32_to(b, reg, bi_imm_u32(0), bi_imm_u32(1),
bi_icmp_s32(b, x, y, BI_CMPF_LE, BI_RESULT_TYPE_M1),
BI_MUX_INT_ZERO),
bi_icmp_s32_to(b, reg, x, y, BI_CMPF_LE, BI_RESULT_TYPE_I1));
CASE(bi_mux_v2i16_to(b, reg, bi_imm_u16(0), bi_imm_u16(1),
bi_icmp_v2s16(b, x, y, BI_CMPF_LE, BI_RESULT_TYPE_M1),
BI_MUX_INT_ZERO),
bi_icmp_v2s16_to(b, reg, x, y, BI_CMPF_LE, BI_RESULT_TYPE_I1));
CASE(bi_mux_v4i8_to(b, reg, bi_imm_u8(0), bi_imm_u8(1),
bi_icmp_v4s8(b, x, y, BI_CMPF_LE, BI_RESULT_TYPE_M1),
BI_MUX_INT_ZERO),
bi_icmp_v4s8_to(b, reg, x, y, BI_CMPF_LE, BI_RESULT_TYPE_I1));
}
TEST_F(Optimizer, DoNotFuseMixedSizeResultType)
{
NEGCASE(bi_mux_i32_to(b, reg, bi_imm_f32(0.0), bi_imm_f32(1.0),
bi_fcmp_v2f16(b, bi_abs(x), bi_neg(y), BI_CMPF_LE, BI_RESULT_TYPE_M1),
BI_MUX_INT_ZERO));
NEGCASE(bi_mux_v2i16_to(b, reg, bi_imm_f16(0.0), bi_imm_f16(1.0),
bi_fcmp_f32(b, bi_abs(x), bi_neg(y), BI_CMPF_LE, BI_RESULT_TYPE_M1),
BI_MUX_INT_ZERO));
}