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tint/sem: Fix Constant constructor with initializer_list 

This was always constructing the elements with AFloat, when it should pick between AInt / AFloat based on the type T.

Bug: tint:1504
Change-Id: I2dd4a9bcd829c47c9b0e8d730c5f58a5266d3626
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92240
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Zhaoming Jiang <zhaoming.jiang@intel.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Commit-Queue: Ben Clayton <bclayton@chromium.org>
This commit is contained in:
Ben Clayton 2022-06-01 15:58:27 +00:00 committed by Dawn LUCI CQ
parent 8e3485248e
commit a20ef0c0f1
2 changed files with 23 additions and 13 deletions
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6
src/tint/sem/constant.h
View File

@ -48,6 +48,10 @@ class Constant {
/// Elements is either a vector of AInts or AFloats
using Elements = std::variant<AInts, AFloats>;
/// Helper that resolves to either AInt or AFloat based on the element type T.
template <typename T>
using ElementFor = std::conditional_t<IsFloatingPoint<UnwrapNumber<T>>, AFloat, AInt>;
/// Helper that resolves to either AInts or AFloats based on the element type T.
template <typename T>
using ElementVectorFor = std::conditional_t<IsFloatingPoint<UnwrapNumber<T>>, AFloats, AInts>;
@ -164,7 +168,7 @@ Constant::Constant(const sem::Type* ty, std::initializer_list<T> els)
ElementVectorFor<T> elements;
elements.reserve(els.size());
for (auto el : els) {
elements.emplace_back(AFloat(el));
elements.emplace_back(ElementFor<T>(el));
}
elems_ = Elements{std::move(elements)};
}

30
src/tint/sem/constant_test.cc
View File

@ -29,16 +29,19 @@ using ConstantTest = TestHelper;
TEST_F(ConstantTest, ConstructorInitializerList) {
{
Constant c(create<AbstractInt>(), {1_a});
c.WithElements([&](auto&& vec) { EXPECT_THAT(vec, testing::ElementsAre(1_a)); });
auto i = AInt(AInt::kHighest);
Constant c(create<AbstractInt>(), {i});
c.WithElements([&](auto&& vec) { EXPECT_THAT(vec, testing::ElementsAre(i)); });
}
{
Constant c(create<I32>(), {1_i});
c.WithElements([&](auto&& vec) { EXPECT_THAT(vec, testing::ElementsAre(1_a)); });
auto i = i32(i32::kHighest);
Constant c(create<I32>(), {i});
c.WithElements([&](auto&& vec) { EXPECT_THAT(vec, testing::ElementsAre(i)); });
}
{
Constant c(create<U32>(), {1_u});
c.WithElements([&](auto&& vec) { EXPECT_THAT(vec, testing::ElementsAre(1_a)); });
auto i = u32(u32::kHighest);
Constant c(create<U32>(), {i});
c.WithElements([&](auto&& vec) { EXPECT_THAT(vec, testing::ElementsAre(i)); });
}
{
Constant c(create<Bool>(), {false});
@ -49,16 +52,19 @@ TEST_F(ConstantTest, ConstructorInitializerList) {
c.WithElements([&](auto&& vec) { EXPECT_THAT(vec, testing::ElementsAre(1_a)); });
}
{
Constant c(create<AbstractFloat>(), {1.0_a});
c.WithElements([&](auto&& vec) { EXPECT_THAT(vec, testing::ElementsAre(1.0_a)); });
auto f = AFloat(AFloat::kHighest);
Constant c(create<AbstractFloat>(), {f});
c.WithElements([&](auto&& vec) { EXPECT_THAT(vec, testing::ElementsAre(f)); });
}
{
Constant c(create<F32>(), {1.0_f});
c.WithElements([&](auto&& vec) { EXPECT_THAT(vec, testing::ElementsAre(1.0_a)); });
auto f = f32(f32::kHighest);
Constant c(create<F32>(), {f});
c.WithElements([&](auto&& vec) { EXPECT_THAT(vec, testing::ElementsAre(f)); });
}
{
Constant c(create<F16>(), {1.0_h});
c.WithElements([&](auto&& vec) { EXPECT_THAT(vec, testing::ElementsAre(1.0_a)); });
auto f = f16(f16::kHighest);
Constant c(create<F16>(), {f});
c.WithElements([&](auto&& vec) { EXPECT_THAT(vec, testing::ElementsAre(f)); });
}
}