mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-08-05 11:45:54 +00:00
8e3485248e
This is required to handle materialized values, and for constant expressions. Bug: tint:1504 Change-Id: If0a49e9b03566c06aa6e4e4c284fc427e1541e91 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92082 Reviewed-by: Dan Sinclair <dsinclair@chromium.org> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@chromium.org>
672 lines
15 KiB
C++
672 lines
15 KiB
C++
// Copyright 2020 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "src/tint/writer/spirv/spv_dump.h"
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#include "src/tint/writer/spirv/test_helper.h"
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using namespace tint::number_suffixes; // NOLINT
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namespace tint::writer::spirv {
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namespace {
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using BuilderTest = TestHelper;
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TEST_F(BuilderTest, If_Empty) {
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// if (true) {
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// }
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auto* expr = If(true, Block());
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WrapInFunction(expr);
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spirv::Builder& b = Build();
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b.push_function(Function{});
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EXPECT_TRUE(b.GenerateIfStatement(expr)) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%1 = OpTypeBool
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%2 = OpConstantTrue %1
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(OpSelectionMerge %3 None
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OpBranchConditional %2 %4 %3
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%4 = OpLabel
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OpBranch %3
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%3 = OpLabel
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)");
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}
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TEST_F(BuilderTest, If_Empty_OutsideFunction_IsError) {
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// Outside a function.
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// if (true) {
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// }
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auto* block = Block();
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auto* expr = If(true, block);
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WrapInFunction(expr);
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spirv::Builder& b = Build();
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EXPECT_FALSE(b.GenerateIfStatement(expr)) << b.error();
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EXPECT_TRUE(b.has_error());
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EXPECT_EQ(b.error(),
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"Internal error: trying to add SPIR-V instruction 247 outside a "
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"function");
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}
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TEST_F(BuilderTest, If_WithStatements) {
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// if (true) {
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// v = 2;
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// }
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auto* var = Global("v", ty.i32(), ast::StorageClass::kPrivate);
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auto* body = Block(Assign("v", 2_i));
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auto* expr = If(true, body);
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WrapInFunction(expr);
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spirv::Builder& b = Build();
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b.push_function(Function{});
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ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
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EXPECT_TRUE(b.GenerateIfStatement(expr)) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeInt 32 1
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%2 = OpTypePointer Private %3
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%4 = OpConstantNull %3
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%1 = OpVariable %2 Private %4
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%5 = OpTypeBool
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%6 = OpConstantTrue %5
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%9 = OpConstant %3 2
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(OpSelectionMerge %7 None
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OpBranchConditional %6 %8 %7
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%8 = OpLabel
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OpStore %1 %9
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OpBranch %7
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%7 = OpLabel
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)");
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}
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TEST_F(BuilderTest, If_WithElse) {
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// if (true) {
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// v = 2i;
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// } else {
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// v = 3i;
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// }
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auto* var = Global("v", ty.i32(), ast::StorageClass::kPrivate);
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auto* body = Block(Assign("v", 2_i));
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auto* else_body = Block(Assign("v", 3_i));
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auto* expr = If(true, body, Else(else_body));
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WrapInFunction(expr);
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spirv::Builder& b = Build();
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b.push_function(Function{});
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ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
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EXPECT_TRUE(b.GenerateIfStatement(expr)) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeInt 32 1
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%2 = OpTypePointer Private %3
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%4 = OpConstantNull %3
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%1 = OpVariable %2 Private %4
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%5 = OpTypeBool
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%6 = OpConstantTrue %5
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%10 = OpConstant %3 2
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%11 = OpConstant %3 3
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(OpSelectionMerge %7 None
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OpBranchConditional %6 %8 %9
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%8 = OpLabel
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OpStore %1 %10
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OpBranch %7
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%9 = OpLabel
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OpStore %1 %11
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OpBranch %7
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%7 = OpLabel
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)");
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}
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TEST_F(BuilderTest, If_WithElseIf) {
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// if (true) {
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// v = 2i;
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// } else if (true) {
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// v = 3i;
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// }
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auto* var = Global("v", ty.i32(), ast::StorageClass::kPrivate);
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auto* body = Block(Assign("v", 2_i));
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auto* else_body = Block(Assign("v", 3_i));
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auto* expr = If(true, body, Else(If(true, else_body)));
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WrapInFunction(expr);
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spirv::Builder& b = Build();
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b.push_function(Function{});
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ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
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EXPECT_TRUE(b.GenerateIfStatement(expr)) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeInt 32 1
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%2 = OpTypePointer Private %3
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%4 = OpConstantNull %3
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%1 = OpVariable %2 Private %4
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%5 = OpTypeBool
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%6 = OpConstantTrue %5
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%10 = OpConstant %3 2
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%13 = OpConstant %3 3
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(OpSelectionMerge %7 None
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OpBranchConditional %6 %8 %9
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%8 = OpLabel
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OpStore %1 %10
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OpBranch %7
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%9 = OpLabel
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OpSelectionMerge %11 None
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OpBranchConditional %6 %12 %11
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%12 = OpLabel
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OpStore %1 %13
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OpBranch %11
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%11 = OpLabel
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OpBranch %7
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%7 = OpLabel
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)");
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}
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TEST_F(BuilderTest, If_WithMultiple) {
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// if (true) {
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// v = 2i;
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// } else if (true) {
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// v = 3i;
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// } else if (false) {
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// v = 4i;
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// } else {
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// v = 5i;
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// }
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auto* var = Global("v", ty.i32(), ast::StorageClass::kPrivate);
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auto* body = Block(Assign("v", 2_i));
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auto* elseif_1_body = Block(Assign("v", 3_i));
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auto* elseif_2_body = Block(Assign("v", 4_i));
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auto* else_body = Block(Assign("v", 5_i));
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auto* expr = If(true, body, //
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Else(If(true, elseif_1_body, //
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Else(If(false, elseif_2_body, //
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Else(else_body))))));
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WrapInFunction(expr);
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spirv::Builder& b = Build();
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b.push_function(Function{});
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ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
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EXPECT_TRUE(b.GenerateIfStatement(expr)) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeInt 32 1
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%2 = OpTypePointer Private %3
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%4 = OpConstantNull %3
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%1 = OpVariable %2 Private %4
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%5 = OpTypeBool
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%6 = OpConstantTrue %5
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%10 = OpConstant %3 2
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%14 = OpConstant %3 3
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%15 = OpConstantNull %5
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%19 = OpConstant %3 4
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%20 = OpConstant %3 5
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(OpSelectionMerge %7 None
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OpBranchConditional %6 %8 %9
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%8 = OpLabel
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OpStore %1 %10
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OpBranch %7
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%9 = OpLabel
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OpSelectionMerge %11 None
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OpBranchConditional %6 %12 %13
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%12 = OpLabel
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OpStore %1 %14
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OpBranch %11
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%13 = OpLabel
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OpSelectionMerge %16 None
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OpBranchConditional %15 %17 %18
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%17 = OpLabel
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OpStore %1 %19
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OpBranch %16
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%18 = OpLabel
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OpStore %1 %20
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OpBranch %16
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%16 = OpLabel
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OpBranch %11
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%11 = OpLabel
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OpBranch %7
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%7 = OpLabel
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)");
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}
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TEST_F(BuilderTest, If_WithBreak) {
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// loop {
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// if (true) {
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// break;
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// }
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// }
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auto* if_body = Block(Break());
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auto* if_stmt = If(true, if_body);
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auto* loop_body = Block(if_stmt);
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auto* expr = Loop(loop_body, Block());
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WrapInFunction(expr);
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spirv::Builder& b = Build();
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b.push_function(Function{});
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EXPECT_TRUE(b.GenerateLoopStatement(expr)) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%5 = OpTypeBool
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%6 = OpConstantTrue %5
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(OpBranch %1
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%1 = OpLabel
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OpLoopMerge %2 %3 None
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OpBranch %4
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%4 = OpLabel
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OpSelectionMerge %7 None
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OpBranchConditional %6 %8 %7
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%8 = OpLabel
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OpBranch %2
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%7 = OpLabel
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OpBranch %3
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%3 = OpLabel
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OpBranch %1
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%2 = OpLabel
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)");
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}
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TEST_F(BuilderTest, If_WithElseBreak) {
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// loop {
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// if (true) {
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// } else {
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// break;
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// }
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// }
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auto* else_body = Block(Break());
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auto* if_stmt = If(true, Block(), Else(else_body));
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auto* loop_body = Block(if_stmt);
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auto* expr = Loop(loop_body, Block());
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WrapInFunction(expr);
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spirv::Builder& b = Build();
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b.push_function(Function{});
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EXPECT_TRUE(b.GenerateLoopStatement(expr)) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%5 = OpTypeBool
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%6 = OpConstantTrue %5
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(OpBranch %1
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%1 = OpLabel
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OpLoopMerge %2 %3 None
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OpBranch %4
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%4 = OpLabel
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OpSelectionMerge %7 None
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OpBranchConditional %6 %8 %9
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%8 = OpLabel
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OpBranch %7
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%9 = OpLabel
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OpBranch %2
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%7 = OpLabel
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OpBranch %3
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%3 = OpLabel
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OpBranch %1
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%2 = OpLabel
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)");
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}
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TEST_F(BuilderTest, If_WithContinueAndBreak) {
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// loop {
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// if (true) {
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// continue;
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// } else {
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// break;
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// }
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// }
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auto* if_stmt = If(true, Block(Continue()), Else(Block(Break())));
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auto* expr = Loop(Block(if_stmt), Block());
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WrapInFunction(expr);
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spirv::Builder& b = Build();
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b.push_function(Function{});
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EXPECT_TRUE(b.GenerateLoopStatement(expr)) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%5 = OpTypeBool
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%6 = OpConstantTrue %5
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(OpBranch %1
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%1 = OpLabel
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OpLoopMerge %2 %3 None
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OpBranch %4
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%4 = OpLabel
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OpSelectionMerge %7 None
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OpBranchConditional %6 %8 %9
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%8 = OpLabel
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OpBranch %3
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%9 = OpLabel
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OpBranch %2
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%7 = OpLabel
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OpBranch %3
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%3 = OpLabel
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OpBranch %1
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%2 = OpLabel
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)");
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}
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TEST_F(BuilderTest, If_WithElseContinue) {
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// loop {
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// if (true) {
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// } else {
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// continue;
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// }
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// break;
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// }
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auto* else_body = Block(create<ast::ContinueStatement>());
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auto* if_stmt = If(true, Block(), Else(else_body));
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auto* loop_body = Block(if_stmt, Break());
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auto* expr = Loop(loop_body, Block());
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WrapInFunction(expr);
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spirv::Builder& b = Build();
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b.push_function(Function{});
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EXPECT_TRUE(b.GenerateLoopStatement(expr)) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%5 = OpTypeBool
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%6 = OpConstantTrue %5
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(OpBranch %1
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%1 = OpLabel
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OpLoopMerge %2 %3 None
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OpBranch %4
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%4 = OpLabel
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OpSelectionMerge %7 None
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OpBranchConditional %6 %8 %9
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%8 = OpLabel
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OpBranch %7
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%9 = OpLabel
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OpBranch %3
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%7 = OpLabel
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OpBranch %2
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%3 = OpLabel
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OpBranch %1
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%2 = OpLabel
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)");
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}
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TEST_F(BuilderTest, If_WithReturn) {
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// if (true) {
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// return;
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// }
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auto* fn = Func("f", {}, ty.void_(), {If(true, Block(Return()))});
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateFunction(fn)) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeVoid
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%1 = OpTypeFunction %2
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%5 = OpTypeBool
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%6 = OpConstantTrue %5
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(OpSelectionMerge %7 None
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OpBranchConditional %6 %8 %7
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%8 = OpLabel
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OpReturn
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%7 = OpLabel
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OpReturn
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)");
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}
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TEST_F(BuilderTest, If_WithReturnValue) {
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// if (true) {
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// return false;
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// }
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// return true;
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auto* fn = Func("f", {}, ty.bool_(),
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{
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If(true, Block(Return(false))),
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Return(true),
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});
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateFunction(fn)) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeBool
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%1 = OpTypeFunction %2
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%5 = OpConstantTrue %2
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%8 = OpConstantNull %2
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(OpSelectionMerge %6 None
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OpBranchConditional %5 %7 %6
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%7 = OpLabel
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OpReturnValue %8
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%6 = OpLabel
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OpReturnValue %5
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)");
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}
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TEST_F(BuilderTest, IfElse_BothReturn) {
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// if (true) {
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// return true;
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// } else {
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// return true;
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// }
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auto* fn = Func("f", {}, ty.bool_(),
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{
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If(true, //
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Block(Return(true)), //
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Else(Block(Return(true)))),
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});
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateFunction(fn)) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeBool
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%1 = OpTypeFunction %2
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%5 = OpConstantTrue %2
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%9 = OpConstantNull %2
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(OpSelectionMerge %6 None
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OpBranchConditional %5 %7 %8
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%7 = OpLabel
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OpReturnValue %5
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%8 = OpLabel
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OpReturnValue %5
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%6 = OpLabel
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OpReturnValue %9
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)");
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}
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TEST_F(BuilderTest, If_WithNestedBlockReturnValue) {
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// if (true) {
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// {
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// {
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// {
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// return false;
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// }
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// }
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// }
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// }
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// return true;
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auto* fn = Func("f", {}, ty.bool_(),
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{
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If(true, Block(Block(Block(Block(Return(false)))))),
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Return(true),
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});
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateFunction(fn)) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeBool
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%1 = OpTypeFunction %2
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%5 = OpConstantTrue %2
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%8 = OpConstantNull %2
|
|
)");
|
|
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
|
|
R"(OpSelectionMerge %6 None
|
|
OpBranchConditional %5 %7 %6
|
|
%7 = OpLabel
|
|
OpReturnValue %8
|
|
%6 = OpLabel
|
|
OpReturnValue %5
|
|
)");
|
|
}
|
|
|
|
TEST_F(BuilderTest, If_WithLoad_Bug327) {
|
|
// var a : bool;
|
|
// if (a) {
|
|
// }
|
|
|
|
auto* var = Global("a", ty.bool_(), ast::StorageClass::kPrivate);
|
|
auto* fn = Func("f", {}, ty.void_(), {If("a", Block())});
|
|
|
|
spirv::Builder& b = Build();
|
|
|
|
ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
|
|
EXPECT_TRUE(b.GenerateFunction(fn)) << b.error();
|
|
EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeBool
|
|
%2 = OpTypePointer Private %3
|
|
%4 = OpConstantNull %3
|
|
%1 = OpVariable %2 Private %4
|
|
%6 = OpTypeVoid
|
|
%5 = OpTypeFunction %6
|
|
)");
|
|
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
|
|
R"(%9 = OpLoad %3 %1
|
|
OpSelectionMerge %10 None
|
|
OpBranchConditional %9 %11 %10
|
|
%11 = OpLabel
|
|
OpBranch %10
|
|
%10 = OpLabel
|
|
OpReturn
|
|
)");
|
|
}
|
|
|
|
TEST_F(BuilderTest, If_ElseIf_WithReturn) {
|
|
// crbug.com/tint/1315
|
|
// if (false) {
|
|
// } else if (true) {
|
|
// return;
|
|
// }
|
|
|
|
auto* if_stmt = If(false, Block(), Else(If(true, Block(Return()))));
|
|
auto* fn = Func("f", {}, ty.void_(), {if_stmt});
|
|
|
|
spirv::Builder& b = Build();
|
|
|
|
EXPECT_TRUE(b.GenerateFunction(fn)) << b.error();
|
|
EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeVoid
|
|
%1 = OpTypeFunction %2
|
|
%5 = OpTypeBool
|
|
%6 = OpConstantNull %5
|
|
%10 = OpConstantTrue %5
|
|
)");
|
|
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
|
|
R"(OpSelectionMerge %7 None
|
|
OpBranchConditional %6 %8 %9
|
|
%8 = OpLabel
|
|
OpBranch %7
|
|
%9 = OpLabel
|
|
OpSelectionMerge %11 None
|
|
OpBranchConditional %10 %12 %11
|
|
%12 = OpLabel
|
|
OpReturn
|
|
%11 = OpLabel
|
|
OpBranch %7
|
|
%7 = OpLabel
|
|
OpReturn
|
|
)");
|
|
}
|
|
|
|
TEST_F(BuilderTest, Loop_If_ElseIf_WithBreak) {
|
|
// crbug.com/tint/1315
|
|
// loop {
|
|
// if (false) {
|
|
// } else if (true) {
|
|
// break;
|
|
// }
|
|
// }
|
|
|
|
auto* if_stmt = If(false, Block(), Else(If(true, Block(Break()))));
|
|
auto* fn = Func("f", {}, ty.void_(), {Loop(Block(if_stmt))});
|
|
|
|
spirv::Builder& b = Build();
|
|
|
|
EXPECT_TRUE(b.GenerateFunction(fn)) << b.error();
|
|
EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeVoid
|
|
%1 = OpTypeFunction %2
|
|
%9 = OpTypeBool
|
|
%10 = OpConstantNull %9
|
|
%14 = OpConstantTrue %9
|
|
)");
|
|
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
|
|
R"(OpBranch %5
|
|
%5 = OpLabel
|
|
OpLoopMerge %6 %7 None
|
|
OpBranch %8
|
|
%8 = OpLabel
|
|
OpSelectionMerge %11 None
|
|
OpBranchConditional %10 %12 %13
|
|
%12 = OpLabel
|
|
OpBranch %11
|
|
%13 = OpLabel
|
|
OpSelectionMerge %15 None
|
|
OpBranchConditional %14 %16 %15
|
|
%16 = OpLabel
|
|
OpBranch %6
|
|
%15 = OpLabel
|
|
OpBranch %11
|
|
%11 = OpLabel
|
|
OpBranch %7
|
|
%7 = OpLabel
|
|
OpBranch %5
|
|
%6 = OpLabel
|
|
OpReturn
|
|
)");
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace tint::writer::spirv
|