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panvk: Add tests for ls tracking in cs_maybe

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Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Christoph Pillmayer <christoph.pillmayer@arm.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35460>
This commit is contained in:
Olivia Lee
2025-06-12 09:52:09 +00:00
committed by Marge Bot
parent 3778b22268
commit d0b353018f
1 changed files with 65 additions and 0 deletions
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src/panfrost/genxml/test/cs_builder.cpp
+65
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@@ -335,3 +335,68 @@ TEST_F(CsBuilderTest, loop_ls_tracker_load_same_inside_use_as_cond)
EXPECT_U64_ARRAY_EQUAL(output, expected_patched,
ARRAY_SIZE(expected_patched));
}
/* If we flush a load/store from outside the cs_maybe block, it still needs
* to be flushed the next time it is accessed because the cs_maybe block may
* not have been executed */
TEST_F(CsBuilderTest, maybe_flush_outer_load)
{
struct cs_maybe *maybe;
struct cs_index addr = cs_reg64(&b, 0);
struct cs_index reg1 = cs_reg32(&b, 3);
struct cs_index reg2 = cs_reg32(&b, 4);
cs_load32_to(&b, reg1, addr, 0);
cs_maybe(&b, &maybe) {
/* This should flush the load to reg */
cs_add32(&b, reg2, reg1, 0);
}
/* This should also flush the load to reg */
cs_add32(&b, reg2, reg1, 0);
cs_patch_maybe(&b, maybe);
cs_finish(&b);
uint64_t expected_patched[] = {
0x1403000000010000, /* LOAD_MULTIPLE r3, [d0] */
/* inside maybe block */
0x0300000000010000, /* WAIT 1 */
0x1004030000000000, /* ADD_IMM32 r4, r3, 0 */
/* outside maybe block */
0x0300000000010000, /* WAIT 1 */
0x1004030000000000, /* ADD_IMM32 r4, r3, 0 */
};
EXPECT_EQ(b.root_chunk.size, ARRAY_SIZE(expected_patched));
EXPECT_U64_ARRAY_EQUAL(output, expected_patched, ARRAY_SIZE(expected_patched));
}
/* If we initiate a load/store inside the cs_maybe block, it needs to be
* flushed at the end of the block */
TEST_F(CsBuilderTest, maybe_flush_inner_load)
{
struct cs_maybe *maybe;
struct cs_index addr = cs_reg64(&b, 0);
struct cs_index reg1 = cs_reg32(&b, 3);
struct cs_index reg2 = cs_reg32(&b, 4);
cs_maybe(&b, &maybe) {
cs_load32_to(&b, reg1, addr, 0);
/* This should flush the load to reg */
cs_add32(&b, reg2, reg1, 0);
}
/* This should not flush the load to reg */
cs_add32(&b, reg2, reg1, 0);
cs_patch_maybe(&b, maybe);
cs_finish(&b);
uint64_t expected_patched[] = {
/* inside maybe block */
0x1403000000010000, /* LOAD_MULTIPLE r3, [d0] */
0x0300000000010000, /* WAIT 1 */
0x1004030000000000, /* ADD_IMM32 r4, r3, 0 */
/* outside maybe block */
0x1004030000000000, /* ADD_IMM32 r4, r3, 0 */
};
EXPECT_EQ(b.root_chunk.size, ARRAY_SIZE(expected_patched));
EXPECT_U64_ARRAY_EQUAL(output, expected_patched, ARRAY_SIZE(expected_patched));
}