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

75 lines
1.7 KiB
Plaintext

#include <metal_stdlib>
using namespace metal;
struct main_out {
float4 x_GLF_color_1;
};
struct tint_symbol_2 {
float4 x_GLF_color_1 [[color(0)]];
};
void x_47() {
discard_fragment();
}
void main_1(thread float4* const tint_symbol_5, thread float4* const tint_symbol_6) {
while (true) {
int x_30_phi = 0;
bool x_48_phi = false;
x_30_phi = 0;
while (true) {
int x_31 = 0;
int const x_30 = x_30_phi;
x_48_phi = false;
if ((x_30 < 10)) {
} else {
break;
}
float const x_37 = (*(tint_symbol_5)).y;
if ((x_37 < 0.0f)) {
float const x_42 = (*(tint_symbol_5)).x;
if ((x_42 < 0.0f)) {
x_48_phi = false;
break;
} else {
{
x_31 = as_type<int>((as_type<uint>(x_30) + as_type<uint>(1)));
x_30_phi = x_31;
}
continue;
}
{
x_31 = as_type<int>((as_type<uint>(x_30) + as_type<uint>(1)));
x_30_phi = x_31;
}
continue;
}
x_47();
x_48_phi = true;
break;
{
x_31 = as_type<int>((as_type<uint>(x_30) + as_type<uint>(1)));
x_30_phi = x_31;
}
}
bool const x_48 = x_48_phi;
if (x_48) {
break;
}
*(tint_symbol_6) = float4(1.0f, 0.0f, 0.0f, 1.0f);
break;
}
return;
}
fragment tint_symbol_2 tint_symbol(float4 gl_FragCoord_param [[position]]) {
thread float4 tint_symbol_7 = 0.0f;
thread float4 tint_symbol_8 = 0.0f;
tint_symbol_7 = gl_FragCoord_param;
main_1(&(tint_symbol_7), &(tint_symbol_8));
main_out const tint_symbol_3 = {.x_GLF_color_1=tint_symbol_8};
tint_symbol_2 const tint_symbol_4 = {.x_GLF_color_1=tint_symbol_3.x_GLF_color_1};
return tint_symbol_4;
}