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-rw-r--r--src/compiler/nir/tests/negative_equal_tests.cpp82
1 files changed, 82 insertions, 0 deletions
diff --git a/src/compiler/nir/tests/negative_equal_tests.cpp b/src/compiler/nir/tests/negative_equal_tests.cpp
index 86305ceb0ba..6a730bd331e 100644
--- a/src/compiler/nir/tests/negative_equal_tests.cpp
+++ b/src/compiler/nir/tests/negative_equal_tests.cpp
@@ -54,6 +54,8 @@ protected:
{
static const nir_shader_compiler_options options = { };
nir_builder_init_simple_shader(&bld, NULL, MESA_SHADER_VERTEX, &options);
+ memset(c1, 0, sizeof(c1));
+ memset(c2, 0, sizeof(c2));
}
~alu_srcs_negative_equal_test()
@@ -62,6 +64,8 @@ protected:
}
struct nir_builder bld;
+ nir_const_value c1[NIR_MAX_VEC_COMPONENTS];
+ nir_const_value c2[NIR_MAX_VEC_COMPONENTS];
};
TEST_F(const_value_negative_equal_test, float32_zero)
@@ -101,6 +105,7 @@ compare_with_self(nir_type_int32)
compare_with_self(nir_type_uint32)
compare_with_self(nir_type_int64)
compare_with_self(nir_type_uint64)
+#undef compare_with_self
/* Compare an object with the negation of itself. This should always be true.
*/
@@ -125,6 +130,7 @@ compare_with_negation(nir_type_int32)
compare_with_negation(nir_type_uint32)
compare_with_negation(nir_type_int64)
compare_with_negation(nir_type_uint64)
+#undef compare_with_negation
/* Compare fewer than the maximum possible components. All of the components
* that are compared a negative-equal, but the extra components are not.
@@ -220,6 +226,82 @@ TEST_F(alu_srcs_negative_equal_test, trivial_negation_int)
EXPECT_FALSE(nir_alu_srcs_negative_equal(instr, instr, 1, 1));
}
+/* Compare an object with non-zero values to itself. This should always be
+ * false.
+ */
+#define compare_with_self(full_type) \
+TEST_F(alu_srcs_negative_equal_test, full_type ## _self) \
+{ \
+ count_sequence(c1, full_type, 1); \
+ nir_ssa_def *a = nir_build_imm(&bld, \
+ NIR_MAX_VEC_COMPONENTS, \
+ nir_alu_type_get_type_size(full_type), \
+ c1); \
+ nir_ssa_def *result; \
+ if (nir_alu_type_get_base_type(full_type) == nir_type_float) \
+ result = nir_fadd(&bld, a, a); \
+ else \
+ result = nir_iadd(&bld, a, a); \
+ nir_alu_instr *instr = nir_instr_as_alu(result->parent_instr); \
+ ASSERT_NE((void *) 0, instr); \
+ EXPECT_FALSE(nir_alu_srcs_negative_equal(instr, instr, 0, 0)); \
+ EXPECT_FALSE(nir_alu_srcs_negative_equal(instr, instr, 0, 1)); \
+ EXPECT_FALSE(nir_alu_srcs_negative_equal(instr, instr, 1, 0)); \
+ EXPECT_FALSE(nir_alu_srcs_negative_equal(instr, instr, 1, 1)); \
+}
+
+compare_with_self(nir_type_float16)
+compare_with_self(nir_type_float32)
+compare_with_self(nir_type_float64)
+compare_with_self(nir_type_int8)
+compare_with_self(nir_type_uint8)
+compare_with_self(nir_type_int16)
+compare_with_self(nir_type_uint16)
+compare_with_self(nir_type_int32)
+compare_with_self(nir_type_uint32)
+compare_with_self(nir_type_int64)
+compare_with_self(nir_type_uint64)
+
+/* Compare an object with the negation of itself. This should always be true.
+ */
+#define compare_with_negation(full_type) \
+TEST_F(alu_srcs_negative_equal_test, full_type ## _trivially_true) \
+{ \
+ count_sequence(c1, full_type, 1); \
+ negate(c2, c1, full_type, NIR_MAX_VEC_COMPONENTS); \
+ nir_ssa_def *a = nir_build_imm(&bld, \
+ NIR_MAX_VEC_COMPONENTS, \
+ nir_alu_type_get_type_size(full_type), \
+ c1); \
+ nir_ssa_def *b = nir_build_imm(&bld, \
+ NIR_MAX_VEC_COMPONENTS, \
+ nir_alu_type_get_type_size(full_type), \
+ c2); \
+ nir_ssa_def *result; \
+ if (nir_alu_type_get_base_type(full_type) == nir_type_float) \
+ result = nir_fadd(&bld, a, b); \
+ else \
+ result = nir_iadd(&bld, a, b); \
+ nir_alu_instr *instr = nir_instr_as_alu(result->parent_instr); \
+ ASSERT_NE((void *) 0, instr); \
+ EXPECT_FALSE(nir_alu_srcs_negative_equal(instr, instr, 0, 0)); \
+ EXPECT_TRUE(nir_alu_srcs_negative_equal(instr, instr, 0, 1)); \
+ EXPECT_TRUE(nir_alu_srcs_negative_equal(instr, instr, 1, 0)); \
+ EXPECT_FALSE(nir_alu_srcs_negative_equal(instr, instr, 1, 1)); \
+}
+
+compare_with_negation(nir_type_float16)
+compare_with_negation(nir_type_float32)
+compare_with_negation(nir_type_float64)
+compare_with_negation(nir_type_int8)
+compare_with_negation(nir_type_uint8)
+compare_with_negation(nir_type_int16)
+compare_with_negation(nir_type_uint16)
+compare_with_negation(nir_type_int32)
+compare_with_negation(nir_type_uint32)
+compare_with_negation(nir_type_int64)
+compare_with_negation(nir_type_uint64)
+
static void
count_sequence(nir_const_value c[NIR_MAX_VEC_COMPONENTS],
nir_alu_type full_type, int first)