diff options
Diffstat (limited to 'test/opt/reduce_load_size_test.cpp')
| -rw-r--r-- | test/opt/reduce_load_size_test.cpp | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/test/opt/reduce_load_size_test.cpp b/test/opt/reduce_load_size_test.cpp index abb5cde6..45467506 100644 --- a/test/opt/reduce_load_size_test.cpp +++ b/test/opt/reduce_load_size_test.cpp @@ -498,6 +498,45 @@ TEST_F(ReduceLoadSizeTest, replace_cbuffer_load_fully_used) { SinglePassRunAndMatch<ReduceLoadSize>(test, false, 1.1); } +TEST_F(ReduceLoadSizeTest, replace_array_with_spec_constant_size) { + const std::string test = + R"( + OpCapability ClipDistance + OpExtension " " + OpMemoryModel Logical GLSL450 + OpEntryPoint Fragment %1 " " + OpExecutionMode %1 OriginUpperLeft + %void = OpTypeVoid + %3 = OpTypeFunction %void + %int = OpTypeInt 32 1 + %uint = OpTypeInt 32 0 + %6 = OpSpecConstant %uint 538976288 + %_arr_int_6 = OpTypeArray %int %6 + %_struct_8 = OpTypeStruct %_arr_int_6 + %_struct_9 = OpTypeStruct %_struct_8 +%_ptr_Uniform__struct_9 = OpTypePointer Uniform %_struct_9 +; CHECK: [[var:%\w+]] = OpVariable %_ptr_Uniform__struct_9 Uniform + %11 = OpVariable %_ptr_Uniform__struct_9 Uniform + %int_0 = OpConstant %int 0 +%_ptr_Uniform__arr_int_6 = OpTypePointer Uniform %_arr_int_6 + %1 = OpFunction %void None %3 + %14 = OpLabel +; CHECK: [[ac:%\w+]] = OpAccessChain %_ptr_Uniform__arr_int_6 [[var]] %int_0 %int_0 +; CHECK: [[new_ac:%\w+]] = OpAccessChain %_ptr_Uniform_int [[ac]] %uint_538976288 +; CHECK: [[ld:%\w+]] = OpLoad %int [[new_ac]] +; CHECK: %18 = OpIAdd %int [[ld]] [[ld]] + %15 = OpAccessChain %_ptr_Uniform__arr_int_6 %11 %int_0 %int_0 + %16 = OpLoad %_arr_int_6 %15 + %17 = OpCompositeExtract %int %16 538976288 + %18 = OpIAdd %int %17 %17 + OpUnreachable + OpFunctionEnd +)"; + + SinglePassRunAndMatch<ReduceLoadSize>(test, false, + kDefaultLoadReductionThreshold); +} + } // namespace } // namespace opt } // namespace spvtools |