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

90 lines
2.4 KiB
Plaintext

#include <metal_stdlib>
using namespace metal;
struct buf0 {
/* 0x0000 */ packed_float2 injectionSwitch;
};
struct tint_array_wrapper {
float arr[3];
};
struct main_out {
float4 x_GLF_color_1;
};
struct tint_symbol_2 {
float4 x_GLF_color_1 [[color(0)]];
};
void main_1(constant buf0& x_11, thread float4* const tint_symbol_5, thread tint_array_wrapper* const tint_symbol_6, thread tint_array_wrapper* const tint_symbol_7, thread float4* const tint_symbol_8) {
int q = 0;
int i = 0;
int c = 0;
q = 0;
float const x_55 = (*(tint_symbol_5)).x;
i = (int(x_55) % 3);
c = 0;
while (true) {
int const x_14 = c;
if ((x_14 < 3)) {
} else {
break;
}
int const x_15 = c;
(*(tint_symbol_6)).arr[x_15] = 0.0f;
int const x_16 = c;
(*(tint_symbol_7)).arr[x_16] = 0.0f;
float const x_65 = x_11.injectionSwitch.x;
int const x_18 = q;
switch(as_type<int>((as_type<uint>(int(x_65)) + as_type<uint>(x_18)))) {
case 51: {
while (true) {
if (true) {
} else {
break;
}
}
int const x_20 = c;
(*(tint_symbol_6)).arr[x_20] = 1.0f;
/* fallthrough */
}
case 61: {
(*(tint_symbol_7)).arr[0] = 1.0f;
int const x_21 = c;
(*(tint_symbol_7)).arr[x_21] = 1.0f;
break;
}
case 0: {
q = 61;
break;
}
default: {
break;
}
}
{
int const x_22 = c;
c = as_type<int>((as_type<uint>(x_22) + as_type<uint>(1)));
}
}
int const x_24 = i;
float const x_79 = (*(tint_symbol_7)).arr[x_24];
int const x_25 = i;
float const x_81 = (*(tint_symbol_6)).arr[x_25];
int const x_26 = i;
float const x_83 = (*(tint_symbol_6)).arr[x_26];
*(tint_symbol_8) = float4(x_79, x_81, x_83, 1.0f);
return;
}
fragment tint_symbol_2 tint_symbol(float4 gl_FragCoord_param [[position]], constant buf0& x_11 [[buffer(0)]]) {
thread float4 tint_symbol_9 = 0.0f;
thread tint_array_wrapper tint_symbol_10 = {};
thread tint_array_wrapper tint_symbol_11 = {};
thread float4 tint_symbol_12 = 0.0f;
tint_symbol_9 = gl_FragCoord_param;
main_1(x_11, &(tint_symbol_9), &(tint_symbol_10), &(tint_symbol_11), &(tint_symbol_12));
main_out const tint_symbol_3 = {.x_GLF_color_1=tint_symbol_12};
tint_symbol_2 const tint_symbol_4 = {.x_GLF_color_1=tint_symbol_3.x_GLF_color_1};
return tint_symbol_4;
}