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writer/hlsl: Simplify emission logic, clean up output

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And fix issues where global variables would not be emitted unless they were transitively referenced by an entry point.

This change requires crbug.com/tint/697 to be fixed before landing.

Change-Id: I712bd9d369e08c9a3cdfb0f114c3609584f91f28
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/54241
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: James Price <jrprice@google.com>
This commit is contained in:
Ben Clayton
2021-06-16 09:19:36 +00:00
committed by Ben Clayton
parent 944c5617ca
commit 5d2f34ecf2
935 changed files with 3850 additions and 6868 deletions
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62
test/array/assign_to_function_var.wgsl.expected.hlsl
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@@ -1 +1,61 @@
SKIP: crbug.com/tint/845
SKIP: FAILED
Validation Failure:
[numthreads(1, 1, 1)]
void unused_entry_point() {
return;
}
struct S {
int arr[4];
};
int[4] tint_symbol_2(RWByteAddressBuffer buffer, uint offset) {
const int tint_symbol_3[4] = {asint(buffer.Load((offset + 0u))), asint(buffer.Load((offset + 16u))), asint(buffer.Load((offset + 32u))), asint(buffer.Load((offset + 48u)))};
return tint_symbol_3;
}
static int src_private[4];
groupshared int src_workgroup[4];
ConstantBuffer<S> src_uniform : register(b0, space0);
RWByteAddressBuffer src_storage : register(u1, space0);
int[4] ret_arr() {
const int tint_symbol_4[4] = {0, 0, 0, 0};
return tint_symbol_4;
}
S ret_struct_arr() {
const S tint_symbol_5 = {{0, 0, 0, 0}};
return tint_symbol_5;
}
void foo(int src_param[4]) {
int src_function[4] = {0, 0, 0, 0};
int tint_symbol[4] = {0, 0, 0, 0};
const int tint_symbol_6[4] = {1, 2, 3, 3};
tint_symbol = tint_symbol_6;
tint_symbol = src_param;
tint_symbol = ret_arr();
const int src_let[4] = {0, 0, 0, 0};
tint_symbol = src_let;
tint_symbol = src_function;
tint_symbol = src_private;
tint_symbol = src_workgroup;
tint_symbol = ret_struct_arr().arr;
tint_symbol = src_uniform.arr;
tint_symbol = tint_symbol_2(src_storage, 0u);
int dst_nested[4][3][2] = {{{0, 0}, {0, 0}, {0, 0}}, {{0, 0}, {0, 0}, {0, 0}}, {{0, 0}, {0, 0}, {0, 0}}, {{0, 0}, {0, 0}, {0, 0}}};
int src_nested[4][3][2] = {{{0, 0}, {0, 0}, {0, 0}}, {{0, 0}, {0, 0}, {0, 0}}, {{0, 0}, {0, 0}, {0, 0}}, {{0, 0}, {0, 0}, {0, 0}}};
dst_nested = src_nested;
}
tint_bTL3Zd:10:62: error: brackets are not allowed here; to declare an array, place the brackets after the name
int[4] tint_symbol_2(RWByteAddressBuffer buffer, uint offset) {
~~~ ^
[4]
tint_bTL3Zd:20:17: error: brackets are not allowed here; to declare an array, place the brackets after the name
int[4] ret_arr() {
~~~ ^
[4]