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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 "gmock/gmock.h"
#include "src/tint/lang/core/constant/scalar.h"
#include "src/tint/lang/wgsl/ast/case_selector.h"
#include "src/tint/lang/wgsl/ast/int_literal_expression.h"
#include "src/tint/lang/wgsl/helpers/ir_program_test.h"
namespace tint::wgsl::reader {
namespace {
using namespace tint::core::fluent_types; // NOLINT
using namespace tint::core::number_suffixes; // NOLINT
using ProgramToIRCallTest = helpers::IRProgramTest;
TEST_F(ProgramToIRCallTest, EmitExpression_Bitcast) {
Func("my_func", tint::Empty, ty.f32(), Vector{Return(0_f)});
auto* expr = Bitcast<f32>(Call("my_func"));
WrapInFunction(expr);
auto m = Build();
ASSERT_TRUE(m) << m;
EXPECT_EQ(Disassemble(m.Get()), R"(%my_func = func():f32 -> %b1 {
%b1 = block {
ret 0.0f
}
}
%test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b2 {
%b2 = block {
%3:f32 = call %my_func
%tint_symbol:f32 = bitcast %3
ret
}
}
)");
}
TEST_F(ProgramToIRCallTest, EmitStatement_Discard) {
auto* expr = Discard();
Func("test_function", {}, ty.void_(), expr,
Vector{
create<ast::StageAttribute>(ast::PipelineStage::kFragment),
});
auto m = Build();
ASSERT_TRUE(m) << m;
EXPECT_EQ(Disassemble(m.Get()), R"(%test_function = @fragment func():void -> %b1 {
%b1 = block {
discard
ret
}
}
)");
}
TEST_F(ProgramToIRCallTest, EmitStatement_UserFunction) {
Func("my_func", Vector{Param("p", ty.f32())}, ty.void_(), tint::Empty);
auto* stmt = CallStmt(Call("my_func", Mul(2_a, 3_a)));
WrapInFunction(stmt);
auto m = Build();
ASSERT_TRUE(m) << m;
EXPECT_EQ(Disassemble(m.Get()), R"(%my_func = func(%p:f32):void -> %b1 {
%b1 = block {
ret
}
}
%test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b2 {
%b2 = block {
%4:void = call %my_func, 6.0f
ret
}
}
)");
}
TEST_F(ProgramToIRCallTest, EmitExpression_Convert) {
auto i = GlobalVar("i", core::AddressSpace::kPrivate, Expr(1_i));
auto* expr = Call<f32>(i);
WrapInFunction(expr);
auto m = Build();
ASSERT_TRUE(m) << m;
EXPECT_EQ(Disassemble(m.Get()), R"(%b1 = block { # root
%i:ptr<private, i32, read_write> = var, 1i
}
%test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b2 {
%b2 = block {
%3:i32 = load %i
%tint_symbol:f32 = convert %3
ret
}
}
)");
}
TEST_F(ProgramToIRCallTest, EmitExpression_ConstructEmpty) {
auto* expr = Call<vec3<f32>>();
GlobalVar("i", core::AddressSpace::kPrivate, expr);
auto m = Build();
ASSERT_TRUE(m) << m;
EXPECT_EQ(Disassemble(m.Get()), R"(%b1 = block { # root
%i:ptr<private, vec3<f32>, read_write> = var, vec3<f32>(0.0f)
}
)");
}
TEST_F(ProgramToIRCallTest, EmitExpression_Construct) {
auto i = GlobalVar("i", core::AddressSpace::kPrivate, Expr(1_f));
auto* expr = Call<vec3<f32>>(2_f, 3_f, i);
WrapInFunction(expr);
auto m = Build();
ASSERT_TRUE(m) << m;
EXPECT_EQ(Disassemble(m.Get()), R"(%b1 = block { # root
%i:ptr<private, f32, read_write> = var, 1.0f
}
%test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b2 {
%b2 = block {
%3:f32 = load %i
%tint_symbol:vec3<f32> = construct 2.0f, 3.0f, %3
ret
}
}
)");
}
} // namespace
} // namespace tint::wgsl::reader