Antonio Maiorano d388bc9b36 Restore "MSL writer: make signed int overflow defined behaviour"
This reverts commit e33b0baa088146fc06881387157a92e19fcf5b7b.

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>
2021-07-30 18:59:06 +00:00

53 lines
1.4 KiB
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#include <metal_stdlib>
using namespace metal;
struct tint_array_wrapper {
float arr[10];
};
struct main_out {
float4 x_GLF_color_1;
};
struct tint_symbol_2 {
float4 x_GLF_color_1 [[color(0)]];
};
void main_1(thread float4* const tint_symbol_6, thread float4* const tint_symbol_7) {
tint_array_wrapper data = {};
int i = 0;
tint_array_wrapper const tint_symbol_4 = {.arr={0.100000001f, 0.200000003f, 0.300000012f, 0.400000006f, 0.5f, 0.600000024f, 0.699999988f, 0.800000012f, 0.899999976f, 1.0f}};
data = tint_symbol_4;
i = 0;
while (true) {
int const x_7 = i;
if ((x_7 < 10)) {
} else {
break;
}
float const x_50 = (*(tint_symbol_6)).x;
if ((x_50 < 0.0f)) {
discard_fragment();
}
int const x_8 = i;
float const x_55 = data.arr[x_8];
data.arr[0] = x_55;
{
int const x_9 = i;
i = as_type<int>((as_type<uint>(x_9) + as_type<uint>(1)));
}
}
float const x_58 = data.arr[0];
*(tint_symbol_7) = float4(x_58, 0.0f, 0.0f, 1.0f);
return;
}
fragment tint_symbol_2 tint_symbol(float4 gl_FragCoord_param [[position]]) {
thread float4 tint_symbol_8 = 0.0f;
thread float4 tint_symbol_9 = 0.0f;
tint_symbol_8 = gl_FragCoord_param;
main_1(&(tint_symbol_8), &(tint_symbol_9));
main_out const tint_symbol_3 = {.x_GLF_color_1=tint_symbol_9};
tint_symbol_2 const tint_symbol_5 = {.x_GLF_color_1=tint_symbol_3.x_GLF_color_1};
return tint_symbol_5;
}