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Implement vector initialization from single scalar (aka "splat")

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Updated spir-v and HSLS backends to emit valid constructors.

Bug: tint:656
Change-Id: I53356945563b633239b12c0f4e207f160dbc23d8
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/53780
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@chromium.org>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
This commit is contained in:
Antonio Maiorano
2021-06-10 13:23:31 +00:00
committed by Tint LUCI CQ
parent 5b2f49b5df
commit b5508fdcb5
13 changed files with 988 additions and 21 deletions
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4
src/sem/type.cc
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@@ -119,6 +119,10 @@ bool Type::is_numeric_vector() const {
[](const Vector* v) { return v->type()->is_numeric_scalar(); });
}
bool Type::is_scalar_vector() const {
return Is<Vector>([](const Vector* v) { return v->type()->is_scalar(); });
}
bool Type::is_numeric_scalar_or_vector() const {
return is_numeric_scalar() || is_numeric_vector();
}

2
src/sem/type.h
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@@ -85,6 +85,8 @@ class Type : public Castable<Type, Node> {
bool is_bool_scalar_or_vector() const;
/// @returns true if this type is a numeric vector
bool is_numeric_vector() const;
/// @returns true if this type is a vector of scalar type
bool is_scalar_vector() const;
/// @returns true if this type is a numeric scale or vector
bool is_numeric_scalar_or_vector() const;
/// @returns true if this type is a handle type