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tint/transform: Implement div / mod polyfill

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Prevents UB for divide-by-zero and integer overflow when dividing

Fixed: tint:1349
Change-Id: Ieef66d27d7aec3011628ced076b2bccc7770a8af
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/108925
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
This commit is contained in:
Ben Clayton
2022-11-09 22:04:11 +00:00
committed by Dawn LUCI CQ
parent 9418152d08
commit 46ee63933c
427 changed files with 7255 additions and 3789 deletions
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12
test/tint/statements/increment/complex.wgsl.expected.dxc.hlsl
View File

@@ -37,10 +37,8 @@ int idx6() {
}
void main() {
const int tint_symbol_4 = idx1();
const int tint_symbol_5 = idx2();
const int tint_symbol_save = tint_symbol_4;
const int tint_symbol_save_1 = tint_symbol_5;
const int tint_symbol_save = idx1();
const int tint_symbol_save_1 = idx2();
const int tint_symbol_1 = idx3();
{
buffer.Store((((64u * uint(tint_symbol_save)) + (16u * uint(tint_symbol_save_1))) + (4u * uint(tint_symbol_1))), asuint((asint(buffer.Load((((64u * uint(tint_symbol_save)) + (16u * uint(tint_symbol_save_1))) + (4u * uint(tint_symbol_1))))) + 1)));
@@ -51,10 +49,8 @@ void main() {
{
}
{
const int tint_symbol_6 = idx4();
const int tint_symbol_7 = idx5();
const int tint_symbol_2_save = tint_symbol_6;
const int tint_symbol_2_save_1 = tint_symbol_7;
const int tint_symbol_2_save = idx4();
const int tint_symbol_2_save_1 = idx5();
const int tint_symbol_3 = idx6();
buffer.Store((((64u * uint(tint_symbol_2_save)) + (16u * uint(tint_symbol_2_save_1))) + (4u * uint(tint_symbol_3))), asuint((asint(buffer.Load((((64u * uint(tint_symbol_2_save)) + (16u * uint(tint_symbol_2_save_1))) + (4u * uint(tint_symbol_3))))) + 1)));
}

12
test/tint/statements/increment/complex.wgsl.expected.fxc.hlsl
View File

@@ -37,10 +37,8 @@ int idx6() {
}
void main() {
const int tint_symbol_4 = idx1();
const int tint_symbol_5 = idx2();
const int tint_symbol_save = tint_symbol_4;
const int tint_symbol_save_1 = tint_symbol_5;
const int tint_symbol_save = idx1();
const int tint_symbol_save_1 = idx2();
const int tint_symbol_1 = idx3();
{
buffer.Store((((64u * uint(tint_symbol_save)) + (16u * uint(tint_symbol_save_1))) + (4u * uint(tint_symbol_1))), asuint((asint(buffer.Load((((64u * uint(tint_symbol_save)) + (16u * uint(tint_symbol_save_1))) + (4u * uint(tint_symbol_1))))) + 1)));
@@ -51,10 +49,8 @@ void main() {
{
}
{
const int tint_symbol_6 = idx4();
const int tint_symbol_7 = idx5();
const int tint_symbol_2_save = tint_symbol_6;
const int tint_symbol_2_save_1 = tint_symbol_7;
const int tint_symbol_2_save = idx4();
const int tint_symbol_2_save_1 = idx5();
const int tint_symbol_3 = idx6();
buffer.Store((((64u * uint(tint_symbol_2_save)) + (16u * uint(tint_symbol_2_save_1))) + (4u * uint(tint_symbol_3))), asuint((asint(buffer.Load((((64u * uint(tint_symbol_2_save)) + (16u * uint(tint_symbol_2_save_1))) + (4u * uint(tint_symbol_3))))) + 1)));
}