Squashed 'third_party/SPIRV-Tools/' content from commit d14db341b
git-subtree-dir: third_party/SPIRV-Tools
git-subtree-split: d14db341b834cfb3c574a258c331b3a6b1c2cbc5
diff --git a/test/opt/module_test.cpp b/test/opt/module_test.cpp
new file mode 100644
index 0000000..569cf9b
--- /dev/null
+++ b/test/opt/module_test.cpp
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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 <memory>
+#include <sstream>
+#include <string>
+#include <vector>
+
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+#include "source/opt/build_module.h"
+#include "source/opt/module.h"
+#include "spirv-tools/libspirv.hpp"
+#include "test/opt/module_utils.h"
+
+namespace spvtools {
+namespace opt {
+namespace {
+
+using ::testing::Eq;
+using spvtest::GetIdBound;
+
+TEST(ModuleTest, SetIdBound) {
+ Module m;
+ // It's initialized to 0.
+ EXPECT_EQ(0u, GetIdBound(m));
+
+ m.SetIdBound(19);
+ EXPECT_EQ(19u, GetIdBound(m));
+
+ m.SetIdBound(102);
+ EXPECT_EQ(102u, GetIdBound(m));
+}
+
+// Returns an IRContext owning the module formed by assembling the given text,
+// then loading the result.
+inline std::unique_ptr<IRContext> BuildModule(std::string text) {
+ return spvtools::BuildModule(SPV_ENV_UNIVERSAL_1_1, nullptr, text,
+ SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
+}
+
+TEST(ModuleTest, ComputeIdBound) {
+ // Emtpy module case.
+ EXPECT_EQ(1u, BuildModule("")->module()->ComputeIdBound());
+ // Sensitive to result id
+ EXPECT_EQ(2u, BuildModule("%void = OpTypeVoid")->module()->ComputeIdBound());
+ // Sensitive to type id
+ EXPECT_EQ(1000u,
+ BuildModule("%a = OpTypeArray !999 3")->module()->ComputeIdBound());
+ // Sensitive to a regular Id parameter
+ EXPECT_EQ(2000u,
+ BuildModule("OpDecorate !1999 0")->module()->ComputeIdBound());
+ // Sensitive to a scope Id parameter.
+ EXPECT_EQ(3000u,
+ BuildModule("%f = OpFunction %void None %fntype %a = OpLabel "
+ "OpMemoryBarrier !2999 %b\n")
+ ->module()
+ ->ComputeIdBound());
+ // Sensitive to a semantics Id parameter
+ EXPECT_EQ(4000u,
+ BuildModule("%f = OpFunction %void None %fntype %a = OpLabel "
+ "OpMemoryBarrier %b !3999\n")
+ ->module()
+ ->ComputeIdBound());
+}
+
+TEST(ModuleTest, OstreamOperator) {
+ const std::string text = R"(OpCapability Shader
+OpCapability Linkage
+OpMemoryModel Logical GLSL450
+OpName %7 "restrict"
+OpDecorate %8 Restrict
+%9 = OpTypeVoid
+%10 = OpTypeInt 32 0
+%11 = OpTypeStruct %10 %10
+%12 = OpTypePointer Function %10
+%13 = OpTypePointer Function %11
+%14 = OpConstant %10 0
+%15 = OpConstant %10 1
+%7 = OpTypeFunction %9
+%1 = OpFunction %9 None %7
+%2 = OpLabel
+%8 = OpVariable %13 Function
+%3 = OpAccessChain %12 %8 %14
+%4 = OpLoad %10 %3
+%5 = OpAccessChain %12 %8 %15
+%6 = OpLoad %10 %5
+OpReturn
+OpFunctionEnd)";
+
+ std::string s;
+ std::ostringstream str(s);
+ str << *BuildModule(text)->module();
+ EXPECT_EQ(text, str.str());
+}
+
+TEST(ModuleTest, OstreamOperatorInt64) {
+ const std::string text = R"(OpCapability Shader
+OpCapability Linkage
+OpCapability Int64
+OpMemoryModel Logical GLSL450
+OpName %7 "restrict"
+OpDecorate %5 Restrict
+%9 = OpTypeVoid
+%10 = OpTypeInt 64 0
+%11 = OpTypeStruct %10 %10
+%12 = OpTypePointer Function %10
+%13 = OpTypePointer Function %11
+%14 = OpConstant %10 0
+%15 = OpConstant %10 1
+%16 = OpConstant %10 4294967297
+%7 = OpTypeFunction %9
+%1 = OpFunction %9 None %7
+%2 = OpLabel
+%5 = OpVariable %12 Function
+%6 = OpLoad %10 %5
+OpSelectionMerge %3 None
+OpSwitch %6 %3 4294967297 %4
+%4 = OpLabel
+OpBranch %3
+%3 = OpLabel
+OpReturn
+OpFunctionEnd)";
+
+ std::string s;
+ std::ostringstream str(s);
+ str << *BuildModule(text)->module();
+ EXPECT_EQ(text, str.str());
+}
+
+TEST(ModuleTest, IdBoundTestAtLimit) {
+ const std::string text = R"(
+OpCapability Shader
+OpCapability Linkage
+OpMemoryModel Logical GLSL450
+%1 = OpTypeVoid
+%2 = OpTypeFunction %1
+%3 = OpFunction %1 None %2
+%4 = OpLabel
+OpReturn
+OpFunctionEnd)";
+
+ std::unique_ptr<IRContext> context = BuildModule(text);
+ uint32_t current_bound = context->module()->id_bound();
+ context->set_max_id_bound(current_bound);
+ uint32_t next_id_bound = context->module()->TakeNextIdBound();
+ EXPECT_EQ(next_id_bound, 0);
+ EXPECT_EQ(current_bound, context->module()->id_bound());
+ next_id_bound = context->module()->TakeNextIdBound();
+ EXPECT_EQ(next_id_bound, 0);
+}
+
+TEST(ModuleTest, IdBoundTestBelowLimit) {
+ const std::string text = R"(
+OpCapability Shader
+OpCapability Linkage
+OpMemoryModel Logical GLSL450
+%1 = OpTypeVoid
+%2 = OpTypeFunction %1
+%3 = OpFunction %1 None %2
+%4 = OpLabel
+OpReturn
+OpFunctionEnd)";
+
+ std::unique_ptr<IRContext> context = BuildModule(text);
+ uint32_t current_bound = context->module()->id_bound();
+ context->set_max_id_bound(current_bound + 100);
+ uint32_t next_id_bound = context->module()->TakeNextIdBound();
+ EXPECT_EQ(next_id_bound, current_bound);
+ EXPECT_EQ(current_bound + 1, context->module()->id_bound());
+ next_id_bound = context->module()->TakeNextIdBound();
+ EXPECT_EQ(next_id_bound, current_bound + 1);
+}
+
+TEST(ModuleTest, IdBoundTestNearLimit) {
+ const std::string text = R"(
+OpCapability Shader
+OpCapability Linkage
+OpMemoryModel Logical GLSL450
+%1 = OpTypeVoid
+%2 = OpTypeFunction %1
+%3 = OpFunction %1 None %2
+%4 = OpLabel
+OpReturn
+OpFunctionEnd)";
+
+ std::unique_ptr<IRContext> context = BuildModule(text);
+ uint32_t current_bound = context->module()->id_bound();
+ context->set_max_id_bound(current_bound + 1);
+ uint32_t next_id_bound = context->module()->TakeNextIdBound();
+ EXPECT_EQ(next_id_bound, current_bound);
+ EXPECT_EQ(current_bound + 1, context->module()->id_bound());
+ next_id_bound = context->module()->TakeNextIdBound();
+ EXPECT_EQ(next_id_bound, 0);
+}
+
+TEST(ModuleTest, IdBoundTestUIntMax) {
+ const std::string text = R"(
+OpCapability Shader
+OpCapability Linkage
+OpMemoryModel Logical GLSL450
+%1 = OpTypeVoid
+%2 = OpTypeFunction %1
+%3 = OpFunction %1 None %2
+%4294967294 = OpLabel ; ID is UINT_MAX-1
+OpReturn
+OpFunctionEnd)";
+
+ std::unique_ptr<IRContext> context = BuildModule(text);
+ uint32_t current_bound = context->module()->id_bound();
+
+ // Expecting |BuildModule| to preserve the numeric ids.
+ EXPECT_EQ(current_bound, std::numeric_limits<uint32_t>::max());
+
+ context->set_max_id_bound(current_bound);
+ uint32_t next_id_bound = context->module()->TakeNextIdBound();
+ EXPECT_EQ(next_id_bound, 0);
+ EXPECT_EQ(current_bound, context->module()->id_bound());
+}
+} // namespace
+} // namespace opt
+} // namespace spvtools
