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// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <utility>
#include "src/tint/lang/core/ir/transform/helper_test.h"
#include "src/tint/lang/core/ir/validator.h"
#include "src/tint/lang/core/type/struct.h"
#include "src/tint/lang/wgsl/writer/raise/raise.h"
namespace tint::wgsl::writer::raise {
namespace {
using namespace tint::core::fluent_types; // NOLINT
using namespace tint::core::number_suffixes; // NOLINT
class WgslWriter_RaiseTest : public core::ir::transform::TransformTest {
public:
WgslWriter_RaiseTest() { capabilities.Add(core::ir::Capability::kAllowRefTypes); }
};
TEST_F(WgslWriter_RaiseTest, BuiltinConversion) {
auto* f = b.Function("f", ty.void_());
b.Append(f->Block(), [&] { //
b.Call(ty.i32(), core::BuiltinFn::kMax, i32(1), i32(2));
b.Return(f);
});
auto* src = R"(
%f = func():void -> %b1 {
%b1 = block {
%2:i32 = max 1i, 2i
ret
}
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
%f = func():void -> %b1 {
%b1 = block {
%2:i32 = wgsl.max 1i, 2i
%3:i32 = let %2
ret
}
}
)";
Run(Raise);
EXPECT_EQ(expect, str());
}
TEST_F(WgslWriter_RaiseTest, WorkgroupBarrier) {
auto* W = b.Var<workgroup, i32, read_write>("W");
b.ir.root_block->Append(W);
auto* f = b.Function("f", ty.i32());
b.Append(f->Block(), [&] { //
b.Call(ty.void_(), core::BuiltinFn::kWorkgroupBarrier);
auto* load = b.Load(W);
b.Call(ty.void_(), core::BuiltinFn::kWorkgroupBarrier);
b.Return(f, load);
});
auto* src = R"(
%b1 = block { # root
%W:ptr<workgroup, i32, read_write> = var
}
%f = func():i32 -> %b2 {
%b2 = block {
%3:void = workgroupBarrier
%4:i32 = load %W
%5:void = workgroupBarrier
ret %4
}
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
%b1 = block { # root
%W:ref<workgroup, i32, read_write> = var
}
%f = func():i32 -> %b2 {
%b2 = block {
%3:ptr<workgroup, i32, read_write> = ref-to-ptr %W
%4:i32 = wgsl.workgroupUniformLoad %3
ret %4
}
}
)";
Run(Raise);
EXPECT_EQ(expect, str());
}
TEST_F(WgslWriter_RaiseTest, WorkgroupBarrier_NoMatch) {
auto* W = b.Var<workgroup, i32, read_write>("W");
b.ir.root_block->Append(W);
auto* f = b.Function("f", ty.i32());
b.Append(f->Block(), [&] { //
b.Call(ty.void_(), core::BuiltinFn::kWorkgroupBarrier);
b.Store(W, 42_i); // Prevents pattern match
auto* load = b.Load(W);
b.Call(ty.void_(), core::BuiltinFn::kWorkgroupBarrier);
b.Return(f, load);
});
auto* src = R"(
%b1 = block { # root
%W:ptr<workgroup, i32, read_write> = var
}
%f = func():i32 -> %b2 {
%b2 = block {
%3:void = workgroupBarrier
store %W, 42i
%4:i32 = load %W
%5:void = workgroupBarrier
ret %4
}
}
)";
EXPECT_EQ(src, str());
auto* expect = R"(
%b1 = block { # root
%W:ref<workgroup, i32, read_write> = var
}
%f = func():i32 -> %b2 {
%b2 = block {
%3:void = wgsl.workgroupBarrier
store %W, 42i
%4:i32 = load %W
%5:i32 = let %4
%6:void = wgsl.workgroupBarrier
ret %5
}
}
)";
Run(Raise);
EXPECT_EQ(expect, str());
}
} // namespace
} // namespace tint::wgsl::writer::raise