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agx: Add unit test for if_cmp fusing

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25052>
This commit is contained in:
Alyssa Rosenzweig 2023-08-30 09:45:06 -04:00 • committed by Marge Bot
parent 08e0c5a9cf
commit bdad7992bc
1 changed files with 26 additions and 6 deletions
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32
src/asahi/compiler/test/test-optimizer.cpp
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@ -14,24 +14,29 @@ agx_optimize_and_dce(agx_context *ctx)
agx_dce(ctx, true);
}
#define CASE(instr, expected, size) \
#define CASE(instr, expected, size, returns) \
INSTRUCTION_CASE( \
{ \
UNUSED agx_index out = agx_temp(b->shader, AGX_SIZE_##size); \
instr; \
agx_unit_test(b, out); \
if (returns) \
agx_unit_test(b, out); \
}, \
{ \
UNUSED agx_index out = agx_temp(b->shader, AGX_SIZE_##size); \
expected; \
agx_unit_test(b, out); \
if (returns) \
agx_unit_test(b, out); \
}, \
agx_optimize_and_dce)
#define NEGCASE(instr, size) CASE(instr, instr, size)
#define NEGCASE(instr, size) CASE(instr, instr, size, true)
#define CASE16(instr, expected) CASE(instr, expected, 16)
#define CASE32(instr, expected) CASE(instr, expected, 32)
#define CASE16(instr, expected) CASE(instr, expected, 16, true)
#define CASE32(instr, expected) CASE(instr, expected, 32, true)
#define CASE_NO_RETURN(instr, expected) \
CASE(instr, expected, 32 /* irrelevant */, false)
#define NEGCASE16(instr) NEGCASE(instr, 16)
#define NEGCASE32(instr) NEGCASE(instr, 32)
@ -194,3 +199,18 @@ TEST_F(Optimizer, NoConversionsOn16BitALU)
NEGCASE32(agx_fmov_to(b, out, agx_fadd(b, hx, hy)));
}
TEST_F(Optimizer, IfCondition)
{
CASE_NO_RETURN(agx_if_icmp(b, agx_icmp(b, wx, wy, AGX_ICOND_UEQ, true),
agx_zero(), 1, AGX_ICOND_UEQ, true),
agx_if_icmp(b, wx, wy, 1, AGX_ICOND_UEQ, true));
CASE_NO_RETURN(agx_if_icmp(b, agx_fcmp(b, wx, wy, AGX_FCOND_EQ, true),
agx_zero(), 1, AGX_ICOND_UEQ, true),
agx_if_fcmp(b, wx, wy, 1, AGX_FCOND_EQ, true));
CASE_NO_RETURN(agx_if_icmp(b, agx_fcmp(b, hx, hy, AGX_FCOND_LT, false),
agx_zero(), 1, AGX_ICOND_UEQ, true),
agx_if_fcmp(b, hx, hy, 1, AGX_FCOND_LT, false));
}