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

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

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 tint_padded_array_element {
/* 0x0000 */ int el;
/* 0x0004 */ int8_t tint_pad[12];
@@ -24,7 +29,7 @@ void main_1(constant buf0& x_6, thread float4* const tint_symbol_4) {
int const x_25 = x_6.x_GLF_uniform_int_values.arr[1].el;
a = x_25;
int const x_27 = x_6.x_GLF_uniform_int_values.arr[0].el;
i = -(x_27);
i = tint_unary_minus(x_27);
while (true) {
int const x_33 = i;
int const x_35 = x_6.x_GLF_uniform_int_values.arr[0].el;
@@ -35,15 +40,15 @@ void main_1(constant buf0& x_6, thread float4* const tint_symbol_4) {
}
int const x_41 = i;
int const x_43 = x_6.x_GLF_uniform_int_values.arr[0].el;
a = (x_41 * x_43);
a = as_type<int>((as_type<uint>(x_41) * as_type<uint>(x_43)));
{
int const x_45 = i;
i = (x_45 + 1);
i = as_type<int>((as_type<uint>(x_45) + as_type<uint>(1)));
}
}
int const x_47 = a;
int const x_49 = x_6.x_GLF_uniform_int_values.arr[0].el;
if ((x_47 == -(x_49))) {
if ((x_47 == tint_unary_minus(x_49))) {
int const x_56 = x_6.x_GLF_uniform_int_values.arr[0].el;
int const x_59 = x_6.x_GLF_uniform_int_values.arr[1].el;
int const x_62 = x_6.x_GLF_uniform_int_values.arr[1].el;

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 tint_padded_array_element {
/* 0x0000 */ int el;
/* 0x0004 */ int8_t tint_pad[12];
@@ -24,7 +29,7 @@ void main_1(constant buf0& x_6, thread float4* const tint_symbol_4) {
int const x_25 = x_6.x_GLF_uniform_int_values.arr[1].el;
a = x_25;
int const x_27 = x_6.x_GLF_uniform_int_values.arr[0].el;
i = -(x_27);
i = tint_unary_minus(x_27);
while (true) {
int const x_33 = i;
int const x_35 = x_6.x_GLF_uniform_int_values.arr[0].el;
@@ -35,15 +40,15 @@ void main_1(constant buf0& x_6, thread float4* const tint_symbol_4) {
}
int const x_41 = i;
int const x_43 = x_6.x_GLF_uniform_int_values.arr[0].el;
a = (x_41 * x_43);
a = as_type<int>((as_type<uint>(x_41) * as_type<uint>(x_43)));
{
int const x_45 = i;
i = (x_45 + 1);
i = as_type<int>((as_type<uint>(x_45) + as_type<uint>(1)));
}
}
int const x_47 = a;
int const x_49 = x_6.x_GLF_uniform_int_values.arr[0].el;
if ((x_47 == -(x_49))) {
if ((x_47 == tint_unary_minus(x_49))) {
int const x_56 = x_6.x_GLF_uniform_int_values.arr[0].el;
int const x_59 = x_6.x_GLF_uniform_int_values.arr[1].el;
int const x_62 = x_6.x_GLF_uniform_int_values.arr[1].el;