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[spirv-writer] Add struct constructor test.

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This CL adds a test for struct constructors in the SPIR-V backend.

Change-Id: I9ae82ce86cde159b87cce2ee95d0b16910aadc7f
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/28901
Commit-Queue: David Neto <dneto@google.com>
Reviewed-by: David Neto <dneto@google.com>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
This commit is contained in:
dan sinclair 2020-09-24 18:18:05 +00:00 committed by Commit Bot service account
parent 8a220a6f40
commit 571bce6b8d
1 changed files with 49 additions and 5 deletions
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54
src/writer/spirv/builder_constructor_expression_test.cc
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@ -1695,12 +1695,56 @@ TEST_F(BuilderTest, Constructor_Type_Array_2_Vec3) {
)");
}
TEST_F(BuilderTest, DISABLED_Constructor_Type_Struct) {
FAIL();
}
TEST_F(BuilderTest, Constructor_Type_Struct) {
ast::type::F32Type f32;
ast::type::VectorType vec(&f32, 3);
TEST_F(BuilderTest, DISABLED_Constructor_Type_ModuleScope_Struct_With_Vec2) {
FAIL();
ast::StructMemberDecorationList decos;
ast::StructMemberList members;
members.push_back(
std::make_unique<ast::StructMember>("a", &f32, std::move(decos)));
members.push_back(
std::make_unique<ast::StructMember>("b", &vec, std::move(decos)));
auto s = std::make_unique<ast::Struct>(ast::StructDecoration::kNone,
std::move(members));
ast::type::StructType s_type(std::move(s));
s_type.set_name("my_struct");
ast::ExpressionList vec_vals;
vec_vals.push_back(std::make_unique<ast::ScalarConstructorExpression>(
std::make_unique<ast::FloatLiteral>(&f32, 2)));
vec_vals.push_back(std::make_unique<ast::ScalarConstructorExpression>(
std::make_unique<ast::FloatLiteral>(&f32, 2)));
vec_vals.push_back(std::make_unique<ast::ScalarConstructorExpression>(
std::make_unique<ast::FloatLiteral>(&f32, 2)));
ast::ExpressionList vals;
vals.push_back(std::make_unique<ast::ScalarConstructorExpression>(
std::make_unique<ast::FloatLiteral>(&f32, 2)));
vals.push_back(std::make_unique<ast::TypeConstructorExpression>(
&vec, std::move(vec_vals)));
ast::TypeConstructorExpression t(&s_type, std::move(vals));
Context ctx;
ast::Module mod;
TypeDeterminer td(&ctx, &mod);
EXPECT_TRUE(td.DetermineResultType(&t)) << td.error();
Builder b(&mod);
b.push_function(Function{});
EXPECT_EQ(b.GenerateExpression(&t), 6u);
ASSERT_FALSE(b.has_error()) << b.error();
EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32
%3 = OpTypeVector %2 3
%1 = OpTypeStruct %2 %3
%4 = OpConstant %2 2
%5 = OpConstantComposite %3 %4 %4 %4
%6 = OpConstantComposite %1 %4 %5
)");
}
TEST_F(BuilderTest, Constructor_Type_ZeroInit_F32) {