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pan/bi: Unit test DISCARD+FCMP fusing 

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12205>
This commit is contained in:
Alyssa Rosenzweig 2021-08-04 18:21:34 -04:00
parent d74ab1e4d9
commit cb2e712b9e
1 changed files with 26 additions and 0 deletions
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26
src/panfrost/bifrost/test/test-optimizer.c
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@ -237,6 +237,32 @@ main(int argc, const char **argv)
I->clamp = BI_CLAMP_CLAMP_0_1;
});
/* Check that we fuse comparisons with DISCARD */
CASE(bi_discard_b32(b, bi_fcmp_f32(b, x, y, BI_CMPF_LE, BI_RESULT_TYPE_F1)),
bi_discard_f32(b, x, y, BI_CMPF_LE));
CASE(bi_discard_b32(b, bi_fcmp_f32(b, x, y, BI_CMPF_NE, BI_RESULT_TYPE_I1)),
bi_discard_f32(b, x, y, BI_CMPF_NE));
CASE(bi_discard_b32(b, bi_fcmp_f32(b, x, y, BI_CMPF_EQ, BI_RESULT_TYPE_M1)),
bi_discard_f32(b, x, y, BI_CMPF_EQ));
for (unsigned h = 0; h < 2; ++h) {
CASE(bi_discard_b32(b, bi_half(bi_fcmp_v2f16(b, x, y, BI_CMPF_LE, BI_RESULT_TYPE_F1), h)),
bi_discard_f32(b, bi_half(x, h), bi_half(y, h), BI_CMPF_LE));
CASE(bi_discard_b32(b, bi_half(bi_fcmp_v2f16(b, x, y, BI_CMPF_NE, BI_RESULT_TYPE_I1), h)),
bi_discard_f32(b, bi_half(x, h), bi_half(y, h), BI_CMPF_NE));
CASE(bi_discard_b32(b, bi_half(bi_fcmp_v2f16(b, x, y, BI_CMPF_EQ, BI_RESULT_TYPE_M1), h)),
bi_discard_f32(b, bi_half(x, h), bi_half(y, h), BI_CMPF_EQ));
}
/* Refuse to fuse special comparisons */
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)));
ralloc_free(ralloc_ctx);
TEST_END(nr_pass, nr_fail);
}