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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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9
test/vk-gl-cts/graphicsfuzz/cov-fold-negate-min-int-value/0-opt.spvasm.expected.msl
View File

@@ -1,6 +1,11 @@
#include <metal_stdlib>
using namespace metal;
int tint_unary_minus(const int v) {
return select(-v, v, v == -2147483648);
}
struct buf0 {
/* 0x0000 */ int minusOne;
};
@@ -16,11 +21,11 @@ void main_1(constant buf0& x_7, thread float4* const tint_symbol_4) {
int negMinValue = 0;
minValue = (-2147483647 - 1);
int const x_25 = minValue;
negMinValue = -(x_25);
negMinValue = tint_unary_minus(x_25);
int const x_27 = negMinValue;
int const x_28 = minValue;
int const x_30 = x_7.minusOne;
if ((x_27 == (x_28 * x_30))) {
if ((x_27 == as_type<int>((as_type<uint>(x_28) * as_type<uint>(x_30))))) {
*(tint_symbol_4) = float4(1.0f, 0.0f, 0.0f, 1.0f);
} else {
*(tint_symbol_4) = float4(0.0f, 0.0f, 0.0f, 0.0f);

9
test/vk-gl-cts/graphicsfuzz/cov-fold-negate-min-int-value/0-opt.wgsl.expected.msl
View File

@@ -1,6 +1,11 @@
#include <metal_stdlib>
using namespace metal;
int tint_unary_minus(const int v) {
return select(-v, v, v == -2147483648);
}
struct buf0 {
/* 0x0000 */ int minusOne;
};
@@ -16,11 +21,11 @@ void main_1(constant buf0& x_7, thread float4* const tint_symbol_4) {
int negMinValue = 0;
minValue = (-2147483647 - 1);
int const x_25 = minValue;
negMinValue = -(x_25);
negMinValue = tint_unary_minus(x_25);
int const x_27 = negMinValue;
int const x_28 = minValue;
int const x_30 = x_7.minusOne;
if ((x_27 == (x_28 * x_30))) {
if ((x_27 == as_type<int>((as_type<uint>(x_28) * as_type<uint>(x_30))))) {
*(tint_symbol_4) = float4(1.0f, 0.0f, 0.0f, 1.0f);
} else {
*(tint_symbol_4) = float4(0.0f, 0.0f, 0.0f, 0.0f);