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Restore "MSL writer: make signed int overflow defined behaviour"

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This reverts commit e33b0baa08.

Added tests/expressions/literals/intmin.wgsl test.

Bug: tint:124
Change-Id: I3d46f939ff20fa377ddb5fcb52f9afe728b8e430
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/60441
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Reviewed-by: David Neto <dneto@google.com>
This commit is contained in:
Antonio Maiorano
2021-07-30 18:59:06 +00:00
committed by Tint LUCI CQ
parent 9bdf2dcc6b
commit d388bc9b36
686 changed files with 4111 additions and 3079 deletions
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6
test/vk-gl-cts/graphicsfuzz/cov-bitfieldreverse-loop-limit-underflow/0.spvasm.expected.msl
View File

@@ -33,18 +33,18 @@ void main_1(constant buf0& x_5, thread float4* const tint_symbol_4) {
x_28 = x_28_phi;
int const x_31 = x_31_phi;
x_42_phi = x_28;
if ((x_31 <= (x_24 - 1))) {
if ((x_31 <= as_type<int>((as_type<uint>(x_24) - as_type<uint>(1))))) {
} else {
break;
}
x_29 = as_type<int>((x_28 + as_type<int>(x_31)));
x_29 = as_type<int>(as_type<int>((as_type<uint>(x_28) + as_type<uint>(as_type<int>(x_31)))));
int const x_38 = x_5.x_GLF_uniform_int_values.arr[0].el;
if ((x_38 == 1)) {
x_42_phi = x_29;
break;
}
{
x_32 = (x_31 + 1);
x_32 = as_type<int>((as_type<uint>(x_31) + as_type<uint>(1)));
x_28_phi = x_29;
x_31_phi = x_32;
}

6
test/vk-gl-cts/graphicsfuzz/cov-bitfieldreverse-loop-limit-underflow/0.wgsl.expected.msl
View File

@@ -33,18 +33,18 @@ void main_1(constant buf0& x_5, thread float4* const tint_symbol_4) {
x_28 = x_28_phi;
int const x_31 = x_31_phi;
x_42_phi = x_28;
if ((x_31 <= (x_24 - 1))) {
if ((x_31 <= as_type<int>((as_type<uint>(x_24) - as_type<uint>(1))))) {
} else {
break;
}
x_29 = as_type<int>((x_28 + as_type<int>(x_31)));
x_29 = as_type<int>(as_type<int>((as_type<uint>(x_28) + as_type<uint>(as_type<int>(x_31)))));
int const x_38 = x_5.x_GLF_uniform_int_values.arr[0].el;
if ((x_38 == 1)) {
x_42_phi = x_29;
break;
}
{
x_32 = (x_31 + 1);
x_32 = as_type<int>((as_type<uint>(x_31) + as_type<uint>(1)));
x_28_phi = x_29;
x_31_phi = x_32;
}