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SPIRV-Tools/test/opt/test_set_spec_const_default_value.cpp
qining abf57933ea Set default values for spec const decorated by SpecId 
The pass instance is constructed with a map from spec id (uint32_t) to
default values in string format. The default value strings will be
parsed to numbers according to the target spec constant type.

If the Spec Id decoration is found to be applied on multiple different
target ids, that decoration instruction (OpDecorate or OpGroupDecorate)
will be skipped. But other decoration instrucitons may still be
processed.
2016-09-12 23:21:42 -04:00

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// Copyright (c) 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "pass_fixture.h"
namespace {
using namespace spvtools;
using SpecIdToValueStrMap =
opt::SetSpecConstantDefaultValuePass::SpecIdToValueStrMap;
struct SetSpecConstantDefaultValueTestCase {
const char* code;
SpecIdToValueStrMap default_values;
const char* expected;
};
using SetSpecConstantDefaultValueParamTest =
PassTest<::testing::TestWithParam<SetSpecConstantDefaultValueTestCase>>;
TEST_P(SetSpecConstantDefaultValueParamTest, TestCase) {
const auto& tc = GetParam();
SinglePassRunAndCheck<opt::SetSpecConstantDefaultValuePass>(
tc.code, tc.expected, /* skip_nop = */ false, tc.default_values);
}
INSTANTIATE_TEST_CASE_P(
ValidCases, SetSpecConstantDefaultValueParamTest,
::testing::ValuesIn(std::vector<SetSpecConstantDefaultValueTestCase>{
// 0. Empty.
{"", SpecIdToValueStrMap{}, ""},
// 1. Empty with non-empty values to set.
{"", SpecIdToValueStrMap{{1, "100"}, {2, "200"}}, ""},
// 2. Bool type.
{
// code
"OpDecorate %1 SpecId 100\n"
"OpDecorate %2 SpecId 101\n"
"%bool = OpTypeBool\n"
"%1 = OpSpecConstantTrue %bool\n"
"%2 = OpSpecConstantFalse %bool\n",
// default values
SpecIdToValueStrMap{{100, "false"}, {101, "true"}},
// expected
"OpDecorate %1 SpecId 100\n"
"OpDecorate %2 SpecId 101\n"
"%bool = OpTypeBool\n"
"%1 = OpSpecConstantFalse %bool\n"
"%2 = OpSpecConstantTrue %bool\n",
},
// 3. 32-bit int type.
{
// code
"OpDecorate %1 SpecId 100\n"
"OpDecorate %2 SpecId 101\n"
"OpDecorate %3 SpecId 102\n"
"%int = OpTypeInt 32 1\n"
"%1 = OpSpecConstant %int 10\n"
"%2 = OpSpecConstant %int 11\n"
"%3 = OpSpecConstant %int 11\n",
// default values
SpecIdToValueStrMap{
{100, "2147483647"}, {101, "0xffffffff"}, {102, "-42"}},
// expected
"OpDecorate %1 SpecId 100\n"
"OpDecorate %2 SpecId 101\n"
"OpDecorate %3 SpecId 102\n"
"%int = OpTypeInt 32 1\n"
"%1 = OpSpecConstant %int 2147483647\n"
"%2 = OpSpecConstant %int -1\n"
"%3 = OpSpecConstant %int -42\n",
},
// 4. 64-bit uint type.
{
// code
"OpDecorate %1 SpecId 100\n"
"OpDecorate %2 SpecId 101\n"
"%ulong = OpTypeInt 64 0\n"
"%1 = OpSpecConstant %ulong 10\n"
"%2 = OpSpecConstant %ulong 11\n",
// default values
SpecIdToValueStrMap{{100, "18446744073709551614"}, {101, "0x100"}},
// expected
"OpDecorate %1 SpecId 100\n"
"OpDecorate %2 SpecId 101\n"
"%ulong = OpTypeInt 64 0\n"
"%1 = OpSpecConstant %ulong 18446744073709551614\n"
"%2 = OpSpecConstant %ulong 256\n",
},
// 5. 32-bit float type.
{
// code
"OpDecorate %1 SpecId 101\n"
"OpDecorate %2 SpecId 102\n"
"%float = OpTypeFloat 32\n"
"%1 = OpSpecConstant %float 200\n"
"%2 = OpSpecConstant %float 201\n",
// default values
SpecIdToValueStrMap{{101, "-0x1.fffffep+128"}, {102, "2.5"}},
// expected
"OpDecorate %1 SpecId 101\n"
"OpDecorate %2 SpecId 102\n"
"%float = OpTypeFloat 32\n"
"%1 = OpSpecConstant %float -0x1.fffffep+128\n"
"%2 = OpSpecConstant %float 2.5\n",
},
// 6. 64-bit float type.
{
// code
"OpDecorate %1 SpecId 201\n"
"OpDecorate %2 SpecId 202\n"
"%double = OpTypeFloat 64\n"
"%1 = OpSpecConstant %double 3.14159265358979\n"
"%2 = OpSpecConstant %double 0.142857\n",
// default values
SpecIdToValueStrMap{{201, "0x1.fffffffffffffp+1024"},
{202, "-32.5"}},
// expected
"OpDecorate %1 SpecId 201\n"
"OpDecorate %2 SpecId 202\n"
"%double = OpTypeFloat 64\n"
"%1 = OpSpecConstant %double 0x1.fffffffffffffp+1024\n"
"%2 = OpSpecConstant %double -32.5\n",
},
// 7. SpecId not found, expect no modification.
{
// code
"OpDecorate %1 SpecId 201\n"
"%double = OpTypeFloat 64\n"
"%1 = OpSpecConstant %double 3.14159265358979\n",
// default values
SpecIdToValueStrMap{{8888, "0.0"}},
// expected
"OpDecorate %1 SpecId 201\n"
"%double = OpTypeFloat 64\n"
"%1 = OpSpecConstant %double 3.14159265358979\n",
},
// 8. Multiple types of spec constants.
{
// code
"OpDecorate %1 SpecId 201\n"
"OpDecorate %2 SpecId 202\n"
"OpDecorate %3 SpecId 203\n"
"%bool = OpTypeBool\n"
"%int = OpTypeInt 32 1\n"
"%double = OpTypeFloat 64\n"
"%1 = OpSpecConstant %double 3.14159265358979\n"
"%2 = OpSpecConstant %int 1024\n"
"%3 = OpSpecConstantTrue %bool\n",
// default values
SpecIdToValueStrMap{
{201, "0x1.fffffffffffffp+1024"}, {202, "2048"}, {203, "false"},
},
// expected
"OpDecorate %1 SpecId 201\n"
"OpDecorate %2 SpecId 202\n"
"OpDecorate %3 SpecId 203\n"
"%bool = OpTypeBool\n"
"%int = OpTypeInt 32 1\n"
"%double = OpTypeFloat 64\n"
"%1 = OpSpecConstant %double 0x1.fffffffffffffp+1024\n"
"%2 = OpSpecConstant %int 2048\n"
"%3 = OpSpecConstantFalse %bool\n",
},
// 9. Ignore other decorations.
{
// code
"OpDecorate %1 ArrayStride 4\n"
"%int = OpTypeInt 32 1\n"
"%1 = OpSpecConstant %int 100\n",
// default values
SpecIdToValueStrMap{{4, "0x7fffffff"}},
// expected
"OpDecorate %1 ArrayStride 4\n"
"%int = OpTypeInt 32 1\n"
"%1 = OpSpecConstant %int 100\n",
},
// 10. Distinguish from other decorations.
{
// code
"OpDecorate %1 SpecId 100\n"
"OpDecorate %1 ArrayStride 4\n"
"%int = OpTypeInt 32 1\n"
"%1 = OpSpecConstant %int 100\n",
// default values
SpecIdToValueStrMap{{4, "0x7fffffff"}, {100, "0xffffffff"}},
// expected
"OpDecorate %1 SpecId 100\n"
"OpDecorate %1 ArrayStride 4\n"
"%int = OpTypeInt 32 1\n"
"%1 = OpSpecConstant %int -1\n",
},
// 11. Decorate through decoration group.
{
// code
"OpDecorate %1 SpecId 100\n"
"%1 = OpDecorationGroup\n"
"OpGroupDecorate %1 %2\n"
"%int = OpTypeInt 32 1\n"
"%2 = OpSpecConstant %int 100\n",
// default values
SpecIdToValueStrMap{{100, "0x7fffffff"}},
// expected
"OpDecorate %1 SpecId 100\n"
"%1 = OpDecorationGroup\n"
"OpGroupDecorate %1 %2\n"
"%int = OpTypeInt 32 1\n"
"%2 = OpSpecConstant %int 2147483647\n",
},
// 12. Ignore other decorations in decoration group.
{
// code
"OpDecorate %1 ArrayStride 4\n"
"%1 = OpDecorationGroup\n"
"OpGroupDecorate %1 %2\n"
"%int = OpTypeInt 32 1\n"
"%2 = OpSpecConstant %int 100\n",
// default values
SpecIdToValueStrMap{{4, "0x7fffffff"}},
// expected
"OpDecorate %1 ArrayStride 4\n"
"%1 = OpDecorationGroup\n"
"OpGroupDecorate %1 %2\n"
"%int = OpTypeInt 32 1\n"
"%2 = OpSpecConstant %int 100\n",
},
// 13. Distinguish from other decorations in decoration group.
{
// code
"OpDecorate %1 SpecId 100\n"
"OpDecorate %1 ArrayStride 4\n"
"%1 = OpDecorationGroup\n"
"OpGroupDecorate %1 %2\n"
"%int = OpTypeInt 32 1\n"
"%2 = OpSpecConstant %int 100\n",
// default values
SpecIdToValueStrMap{{100, "0x7fffffff"}, {4, "0x00000001"}},
// expected
"OpDecorate %1 SpecId 100\n"
"OpDecorate %1 ArrayStride 4\n"
"%1 = OpDecorationGroup\n"
"OpGroupDecorate %1 %2\n"
"%int = OpTypeInt 32 1\n"
"%2 = OpSpecConstant %int 2147483647\n",
},
// 14. Unchanged bool default value
{
// code
"OpDecorate %1 SpecId 100\n"
"OpDecorate %2 SpecId 101\n"
"%bool = OpTypeBool\n"
"%1 = OpSpecConstantTrue %bool\n"
"%2 = OpSpecConstantFalse %bool\n",
// default values
SpecIdToValueStrMap{{100, "true"}, {101, "false"}},
// expected
"OpDecorate %1 SpecId 100\n"
"OpDecorate %2 SpecId 101\n"
"%bool = OpTypeBool\n"
"%1 = OpSpecConstantTrue %bool\n"
"%2 = OpSpecConstantFalse %bool\n",
},
// 15. Unchanged int default values
{
// code
"OpDecorate %1 SpecId 100\n"
"OpDecorate %2 SpecId 101\n"
"%int = OpTypeInt 32 1\n"
"%ulong = OpTypeInt 64 0\n"
"%1 = OpSpecConstant %int 10\n"
"%2 = OpSpecConstant %ulong 11\n",
// default values
SpecIdToValueStrMap{{100, "10"}, {101, "11"}},
// expected
"OpDecorate %1 SpecId 100\n"
"OpDecorate %2 SpecId 101\n"
"%int = OpTypeInt 32 1\n"
"%ulong = OpTypeInt 64 0\n"
"%1 = OpSpecConstant %int 10\n"
"%2 = OpSpecConstant %ulong 11\n",
},
// 16. Unchanged float default values
{
// code
"OpDecorate %1 SpecId 201\n"
"OpDecorate %2 SpecId 202\n"
"%float = OpTypeFloat 32\n"
"%double = OpTypeFloat 64\n"
"%1 = OpSpecConstant %float 3.14159\n"
"%2 = OpSpecConstant %double 0.142857\n",
// default values
SpecIdToValueStrMap{{201, "3.14159"}, {202, "0.142857"}},
// expected
"OpDecorate %1 SpecId 201\n"
"OpDecorate %2 SpecId 202\n"
"%float = OpTypeFloat 32\n"
"%double = OpTypeFloat 64\n"
"%1 = OpSpecConstant %float 3.14159\n"
"%2 = OpSpecConstant %double 0.142857\n",
},
// 17. OpGroupDecorate may have multiple target ids defined by the same
// eligible spec constant
{
// code
"OpDecorate %1 SpecId 100\n"
"%1 = OpDecorationGroup\n"
"OpGroupDecorate %1 %2 %2 %2\n"
"%int = OpTypeInt 32 1\n"
"%2 = OpSpecConstant %int 100\n",
// default values
SpecIdToValueStrMap{{100, "0xffffffff"}},
// expected
"OpDecorate %1 SpecId 100\n"
"%1 = OpDecorationGroup\n"
"OpGroupDecorate %1 %2 %2 %2\n"
"%int = OpTypeInt 32 1\n"
"%2 = OpSpecConstant %int -1\n",
},
}));
INSTANTIATE_TEST_CASE_P(
InvalidCases, SetSpecConstantDefaultValueParamTest,
::testing::ValuesIn(std::vector<SetSpecConstantDefaultValueTestCase>{
// 0. Do not crash when decoration group is not used.
{
// code
"OpDecorate %1 SpecId 100\n"
"%1 = OpDecorationGroup\n"
"%int = OpTypeInt 32 1\n"
"%3 = OpSpecConstant %int 100\n",
// default values
SpecIdToValueStrMap{{100, "0x7fffffff"}},
// expected
"OpDecorate %1 SpecId 100\n"
"%1 = OpDecorationGroup\n"
"%int = OpTypeInt 32 1\n"
"%3 = OpSpecConstant %int 100\n",
},
// 1. Do not crash when target does not exist.
{
// code
"OpDecorate %1 SpecId 100\n"
"%int = OpTypeInt 32 1\n",
// default values
SpecIdToValueStrMap{{100, "0x7fffffff"}},
// expected
"OpDecorate %1 SpecId 100\n"
"%int = OpTypeInt 32 1\n",
},
// 2. Do nothing when SpecId decoration is not attached to a
// non-spec-contant instruction.
{
// code
"OpDecorate %1 SpecId 100\n"
"%int = OpTypeInt 32 1\n"
"%1 = OpConstant %int 101\n",
// default values
SpecIdToValueStrMap{{100, "0x7fffffff"}},
// expected
"OpDecorate %1 SpecId 100\n"
"%int = OpTypeInt 32 1\n"
"%1 = OpConstant %int 101\n",
},
// 3. Do nothing when SpecId decoration is not attached to a
// OpSpecConstant{|True|False} instruction.
{
// code
"OpDecorate %1 SpecId 100\n"
"%int = OpTypeInt 32 1\n"
"%3 = OpSpecConstant %int 101\n"
"%1 = OpSpecConstantOp %int IAdd %3 %3\n",
// default values
SpecIdToValueStrMap{{100, "0x7fffffff"}},
// expected
"OpDecorate %1 SpecId 100\n"
"%int = OpTypeInt 32 1\n"
"%3 = OpSpecConstant %int 101\n"
"%1 = OpSpecConstantOp %int IAdd %3 %3\n",
},
// 4. Do not crash and do nothing when SpecId decoration is applied to
// multiple spec constants.
{
// code
"OpDecorate %1 SpecId 100\n"
"%1 = OpDecorationGroup\n"
"OpGroupDecorate %1 %2 %3 %4\n"
"%int = OpTypeInt 32 1\n"
"%2 = OpSpecConstant %int 100\n"
"%3 = OpSpecConstant %int 200\n"
"%4 = OpSpecConstant %int 300\n",
// default values
SpecIdToValueStrMap{{100, "0xffffffff"}},
// expected
"OpDecorate %1 SpecId 100\n"
"%1 = OpDecorationGroup\n"
"OpGroupDecorate %1 %2 %3 %4\n"
"%int = OpTypeInt 32 1\n"
"%2 = OpSpecConstant %int 100\n"
"%3 = OpSpecConstant %int 200\n"
"%4 = OpSpecConstant %int 300\n",
},
// 5. Do not crash and do nothing when SpecId decoration is attached to
// non-spec-constants (invalid case).
{
// code
"OpDecorate %1 SpecId 100\n"
"%1 = OpDecorationGroup\n"
"OpGroupDecorate %1 %2\n"
"%int = OpTypeInt 32 1\n"
"%2 = OpConstant %int 100\n",
// default values
SpecIdToValueStrMap{{100, "0xffffffff"}},
// expected
"OpDecorate %1 SpecId 100\n"
"%1 = OpDecorationGroup\n"
"OpGroupDecorate %1 %2\n"
"%int = OpTypeInt 32 1\n"
"%2 = OpConstant %int 100\n",
},
}));
} // anonymous namespace
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