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-rw-r--r--src/intel/compiler/test_fs_saturate_propagation.cpp68
1 files changed, 68 insertions, 0 deletions
diff --git a/src/intel/compiler/test_fs_saturate_propagation.cpp b/src/intel/compiler/test_fs_saturate_propagation.cpp
index 98d9f034d8d..c01ff2e66eb 100644
--- a/src/intel/compiler/test_fs_saturate_propagation.cpp
+++ b/src/intel/compiler/test_fs_saturate_propagation.cpp
@@ -722,3 +722,71 @@ TEST_F(saturate_propagation_test, mul_neg_mov_sat_mov_sat)
EXPECT_EQ(BRW_OPCODE_MOV, instruction(block0, 2)->opcode);
EXPECT_TRUE(instruction(block0, 2)->saturate);
}
+
+TEST_F(saturate_propagation_test, smaller_exec_size_consumer)
+{
+ const fs_builder &bld = v->bld;
+ fs_reg dst0 = v->vgrf(glsl_type::float_type);
+ fs_reg dst1 = v->vgrf(glsl_type::float_type);
+ fs_reg src0 = v->vgrf(glsl_type::float_type);
+ fs_reg src1 = v->vgrf(glsl_type::float_type);
+ bld.ADD(dst0, src0, src1);
+ set_saturate(true, bld.group(8, 0).MOV(dst1, dst0));
+
+ /* = Before =
+ *
+ * 0: add(16) dst0 src0 src1
+ * 1: mov.sat(8) dst1 dst0
+ *
+ * = After =
+ * (no changes)
+ */
+
+ v->calculate_cfg();
+ bblock_t *block0 = v->cfg->blocks[0];
+
+ EXPECT_EQ(0, block0->start_ip);
+ EXPECT_EQ(1, block0->end_ip);
+
+ EXPECT_FALSE(saturate_propagation(v));
+ EXPECT_EQ(0, block0->start_ip);
+ EXPECT_EQ(1, block0->end_ip);
+ EXPECT_EQ(BRW_OPCODE_ADD, instruction(block0, 0)->opcode);
+ EXPECT_FALSE(instruction(block0, 0)->saturate);
+ EXPECT_EQ(BRW_OPCODE_MOV, instruction(block0, 1)->opcode);
+ EXPECT_TRUE(instruction(block0, 1)->saturate);
+}
+
+TEST_F(saturate_propagation_test, larger_exec_size_consumer)
+{
+ const fs_builder &bld = v->bld;
+ fs_reg dst0 = v->vgrf(glsl_type::float_type);
+ fs_reg dst1 = v->vgrf(glsl_type::float_type);
+ fs_reg src0 = v->vgrf(glsl_type::float_type);
+ fs_reg src1 = v->vgrf(glsl_type::float_type);
+ bld.group(8, 0).ADD(dst0, src0, src1);
+ set_saturate(true, bld.MOV(dst1, dst0));
+
+ /* = Before =
+ *
+ * 0: add(8) dst0 src0 src1
+ * 1: mov.sat(16) dst1 dst0
+ *
+ * = After =
+ * (no changes)
+ */
+
+ v->calculate_cfg();
+ bblock_t *block0 = v->cfg->blocks[0];
+
+ EXPECT_EQ(0, block0->start_ip);
+ EXPECT_EQ(1, block0->end_ip);
+
+ EXPECT_FALSE(saturate_propagation(v));
+ EXPECT_EQ(0, block0->start_ip);
+ EXPECT_EQ(1, block0->end_ip);
+ EXPECT_EQ(BRW_OPCODE_ADD, instruction(block0, 0)->opcode);
+ EXPECT_FALSE(instruction(block0, 0)->saturate);
+ EXPECT_EQ(BRW_OPCODE_MOV, instruction(block0, 1)->opcode);
+ EXPECT_TRUE(instruction(block0, 1)->saturate);
+}