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transform/shader_io: Generate a wrapper function

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This is a major reworking of this transform. The old transform code
was getting unwieldy, with part of the complication coming from the
handling of multiple return statements. By generating a wrapper
function instead, we can avoid a lot of this complexity.

The original entry point function is stripped of all shader IO
attributes (as well as `stage` and `workgroup_size`), but the body is
left unmodified. A new entry point wrapper function is introduced
which calls the original function, packing/unpacking the shader inputs
as necessary, and propagates the result to the corresponding shader
outputs.

The new code has been refactored to use a state object with the
different parts of the transform split into separate functions, which
makes it much more manageable.

Fixed: tint:1076
Bug: tint:920
Change-Id: I3490a0ea7a3509a4e198ce730e476516649d8d96
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/60521
Auto-Submit: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: James Price <jrprice@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
This commit is contained in:
James Price
2021-08-04 22:15:28 +00:00
committed by Tint LUCI CQ
parent 3e92e9f8ba
commit a5d73ce965
3866 changed files with 49323 additions and 26508 deletions
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14
test/vk-gl-cts/graphicsfuzz/cov-global-loop-counter-main-function-call/0-opt.spvasm.expected.hlsl
View File

@@ -61,9 +61,15 @@ struct tint_symbol {
float4 x_GLF_color_1 : SV_Target0;
};
tint_symbol main() {
main_out main_inner() {
main_1();
const main_out tint_symbol_1 = {x_GLF_color};
const tint_symbol tint_symbol_3 = {tint_symbol_1.x_GLF_color_1};
return tint_symbol_3;
const main_out tint_symbol_2 = {x_GLF_color};
return tint_symbol_2;
}
tint_symbol main() {
const main_out inner_result = main_inner();
tint_symbol wrapper_result = (tint_symbol)0;
wrapper_result.x_GLF_color_1 = inner_result.x_GLF_color_1;
return wrapper_result;
}

44
test/vk-gl-cts/graphicsfuzz/cov-global-loop-counter-main-function-call/0-opt.spvasm.expected.msl
View File

@@ -18,15 +18,15 @@ struct tint_symbol_1 {
float4 x_GLF_color_1 [[color(0)]];
};
int func_(constant buf0& x_7, thread int* const tint_symbol_4) {
int func_(constant buf0& x_7, thread int* const tint_symbol_3) {
while (true) {
int const x_72 = *(tint_symbol_4);
int const x_72 = *(tint_symbol_3);
if ((x_72 < 100)) {
} else {
break;
}
int const x_75 = *(tint_symbol_4);
*(tint_symbol_4) = as_type<int>((as_type<uint>(x_75) + as_type<uint>(1)));
int const x_75 = *(tint_symbol_3);
*(tint_symbol_3) = as_type<int>((as_type<uint>(x_75) + as_type<uint>(1)));
int const x_78 = x_7.x_GLF_uniform_int_values.arr[0].el;
return x_78;
}
@@ -34,24 +34,24 @@ int func_(constant buf0& x_7, thread int* const tint_symbol_4) {
return x_80;
}
void main_1(constant buf0& x_7, thread int* const tint_symbol_5, thread float4* const tint_symbol_6) {
void main_1(constant buf0& x_7, thread int* const tint_symbol_4, thread float4* const tint_symbol_5) {
int a = 0;
*(tint_symbol_5) = 0;
*(tint_symbol_4) = 0;
while (true) {
int const x_35 = *(tint_symbol_5);
*(tint_symbol_5) = as_type<int>((as_type<uint>(x_35) + as_type<uint>(1)));
int const x_35 = *(tint_symbol_4);
*(tint_symbol_4) = as_type<int>((as_type<uint>(x_35) + as_type<uint>(1)));
if (false) {
return;
}
{
int const x_39 = *(tint_symbol_5);
int const x_39 = *(tint_symbol_4);
if ((true & (x_39 < 100))) {
} else {
break;
}
}
}
int const x_42 = func_(x_7, tint_symbol_5);
int const x_42 = func_(x_7, tint_symbol_4);
a = x_42;
int const x_43 = a;
int const x_45 = x_7.x_GLF_uniform_int_values.arr[2].el;
@@ -60,21 +60,27 @@ void main_1(constant buf0& x_7, thread int* const tint_symbol_5, thread float4*
int const x_54 = x_7.x_GLF_uniform_int_values.arr[1].el;
int const x_57 = x_7.x_GLF_uniform_int_values.arr[1].el;
int const x_60 = x_7.x_GLF_uniform_int_values.arr[0].el;
*(tint_symbol_6) = float4(float(x_51), float(x_54), float(x_57), float(x_60));
*(tint_symbol_5) = float4(float(x_51), float(x_54), float(x_57), float(x_60));
} else {
int const x_64 = x_7.x_GLF_uniform_int_values.arr[1].el;
float const x_65 = float(x_64);
*(tint_symbol_6) = float4(x_65, x_65, x_65, x_65);
*(tint_symbol_5) = float4(x_65, x_65, x_65, x_65);
}
return;
}
fragment tint_symbol_1 tint_symbol(constant buf0& x_7 [[buffer(0)]]) {
thread int tint_symbol_7 = 0;
thread float4 tint_symbol_8 = 0.0f;
main_1(x_7, &(tint_symbol_7), &(tint_symbol_8));
main_out const tint_symbol_2 = {.x_GLF_color_1=tint_symbol_8};
tint_symbol_1 const tint_symbol_3 = {.x_GLF_color_1=tint_symbol_2.x_GLF_color_1};
return tint_symbol_3;
main_out tint_symbol_inner(constant buf0& x_7, thread int* const tint_symbol_6, thread float4* const tint_symbol_7) {
main_1(x_7, tint_symbol_6, tint_symbol_7);
main_out const tint_symbol_2 = {.x_GLF_color_1=*(tint_symbol_7)};
return tint_symbol_2;
}
fragment tint_symbol_1 tint_symbol(constant buf0& x_7 [[buffer(0)]]) {
thread int tint_symbol_8 = 0;
thread float4 tint_symbol_9 = 0.0f;
main_out const inner_result = tint_symbol_inner(x_7, &(tint_symbol_8), &(tint_symbol_9));
tint_symbol_1 wrapper_result = {};
wrapper_result.x_GLF_color_1 = inner_result.x_GLF_color_1;
return wrapper_result;
}

14
test/vk-gl-cts/graphicsfuzz/cov-global-loop-counter-main-function-call/0-opt.wgsl.expected.hlsl
View File

@@ -65,9 +65,15 @@ struct tint_symbol {
float4 x_GLF_color_1 : SV_Target0;
};
tint_symbol main() {
main_out main_inner() {
main_1();
const main_out tint_symbol_1 = {x_GLF_color};
const tint_symbol tint_symbol_3 = {tint_symbol_1.x_GLF_color_1};
return tint_symbol_3;
const main_out tint_symbol_2 = {x_GLF_color};
return tint_symbol_2;
}
tint_symbol main() {
const main_out inner_result = main_inner();
tint_symbol wrapper_result = (tint_symbol)0;
wrapper_result.x_GLF_color_1 = inner_result.x_GLF_color_1;
return wrapper_result;
}

44
test/vk-gl-cts/graphicsfuzz/cov-global-loop-counter-main-function-call/0-opt.wgsl.expected.msl
View File

@@ -18,15 +18,15 @@ struct tint_symbol_1 {
float4 x_GLF_color_1 [[color(0)]];
};
int func_(constant buf0& x_7, thread int* const tint_symbol_4) {
int func_(constant buf0& x_7, thread int* const tint_symbol_3) {
while (true) {
int const x_72 = *(tint_symbol_4);
int const x_72 = *(tint_symbol_3);
if ((x_72 < 100)) {
} else {
break;
}
int const x_75 = *(tint_symbol_4);
*(tint_symbol_4) = as_type<int>((as_type<uint>(x_75) + as_type<uint>(1)));
int const x_75 = *(tint_symbol_3);
*(tint_symbol_3) = as_type<int>((as_type<uint>(x_75) + as_type<uint>(1)));
int const x_78 = x_7.x_GLF_uniform_int_values.arr[0].el;
return x_78;
}
@@ -34,24 +34,24 @@ int func_(constant buf0& x_7, thread int* const tint_symbol_4) {
return x_80;
}
void main_1(constant buf0& x_7, thread int* const tint_symbol_5, thread float4* const tint_symbol_6) {
void main_1(constant buf0& x_7, thread int* const tint_symbol_4, thread float4* const tint_symbol_5) {
int a = 0;
*(tint_symbol_5) = 0;
*(tint_symbol_4) = 0;
while (true) {
int const x_35 = *(tint_symbol_5);
*(tint_symbol_5) = as_type<int>((as_type<uint>(x_35) + as_type<uint>(1)));
int const x_35 = *(tint_symbol_4);
*(tint_symbol_4) = as_type<int>((as_type<uint>(x_35) + as_type<uint>(1)));
if (false) {
return;
}
{
int const x_39 = *(tint_symbol_5);
int const x_39 = *(tint_symbol_4);
if ((true && (x_39 < 100))) {
} else {
break;
}
}
}
int const x_42 = func_(x_7, tint_symbol_5);
int const x_42 = func_(x_7, tint_symbol_4);
a = x_42;
int const x_43 = a;
int const x_45 = x_7.x_GLF_uniform_int_values.arr[2].el;
@@ -60,21 +60,27 @@ void main_1(constant buf0& x_7, thread int* const tint_symbol_5, thread float4*
int const x_54 = x_7.x_GLF_uniform_int_values.arr[1].el;
int const x_57 = x_7.x_GLF_uniform_int_values.arr[1].el;
int const x_60 = x_7.x_GLF_uniform_int_values.arr[0].el;
*(tint_symbol_6) = float4(float(x_51), float(x_54), float(x_57), float(x_60));
*(tint_symbol_5) = float4(float(x_51), float(x_54), float(x_57), float(x_60));
} else {
int const x_64 = x_7.x_GLF_uniform_int_values.arr[1].el;
float const x_65 = float(x_64);
*(tint_symbol_6) = float4(x_65, x_65, x_65, x_65);
*(tint_symbol_5) = float4(x_65, x_65, x_65, x_65);
}
return;
}
fragment tint_symbol_1 tint_symbol(constant buf0& x_7 [[buffer(0)]]) {
thread int tint_symbol_7 = 0;
thread float4 tint_symbol_8 = 0.0f;
main_1(x_7, &(tint_symbol_7), &(tint_symbol_8));
main_out const tint_symbol_2 = {.x_GLF_color_1=tint_symbol_8};
tint_symbol_1 const tint_symbol_3 = {.x_GLF_color_1=tint_symbol_2.x_GLF_color_1};
return tint_symbol_3;
main_out tint_symbol_inner(constant buf0& x_7, thread int* const tint_symbol_6, thread float4* const tint_symbol_7) {
main_1(x_7, tint_symbol_6, tint_symbol_7);
main_out const tint_symbol_2 = {.x_GLF_color_1=*(tint_symbol_7)};
return tint_symbol_2;
}
fragment tint_symbol_1 tint_symbol(constant buf0& x_7 [[buffer(0)]]) {
thread int tint_symbol_8 = 0;
thread float4 tint_symbol_9 = 0.0f;
main_out const inner_result = tint_symbol_inner(x_7, &(tint_symbol_8), &(tint_symbol_9));
tint_symbol_1 wrapper_result = {};
wrapper_result.x_GLF_color_1 = inner_result.x_GLF_color_1;
return wrapper_result;
}