dan sinclair 1bdaded736 Implemement const-eval for some unpack routines.
This CL adds const-eval for unpack2x16snorm, unpack2x16unorm,
unpack4x8snorm and unpack4x8unorm.

Bug: tint:1581
Change-Id: Ieda938b797dfe3f8d8046101d12b99da69ad68f4
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/108864
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
2022-11-07 22:28:01 +00:00

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#include <metal_stdlib>
using namespace metal;
void unpack4x8unorm_750c74() {
float4 res = float4(0.003921569f, 0.0f, 0.0f, 0.0f);
}
struct tint_symbol {
float4 value [[position]];
};
float4 vertex_main_inner() {
unpack4x8unorm_750c74();
return float4(0.0f);
}
vertex tint_symbol vertex_main() {
float4 const inner_result = vertex_main_inner();
tint_symbol wrapper_result = {};
wrapper_result.value = inner_result;
return wrapper_result;
}
fragment void fragment_main() {
unpack4x8unorm_750c74();
return;
}
kernel void compute_main() {
unpack4x8unorm_750c74();
return;
}