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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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11
test/vk-gl-cts/graphicsfuzz/cov-dag-combiner-loop-bitfieldreverse/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 tint_padded_array_element {
/* 0x0000 */ int el;
/* 0x0004 */ int8_t tint_pad[12];
@@ -24,10 +29,10 @@ void main_1(constant buf0& x_6, thread float4* const tint_symbol_4) {
int const x_27 = x_6.x_GLF_uniform_int_values.arr[1].el;
a = x_27;
int const x_29 = x_6.x_GLF_uniform_int_values.arr[3].el;
i = -(x_29);
i = tint_unary_minus(x_29);
while (true) {
int const x_35 = i;
int const x_36 = (x_35 + 1);
int const x_36 = as_type<int>((as_type<uint>(x_35) + as_type<uint>(1)));
i = x_36;
int const x_39 = x_6.x_GLF_uniform_int_values.arr[2].el;
if ((reverse_bits(x_36) <= x_39)) {
@@ -35,7 +40,7 @@ void main_1(constant buf0& x_6, thread float4* const tint_symbol_4) {
break;
}
int const x_42 = a;
a = (x_42 + 1);
a = as_type<int>((as_type<uint>(x_42) + as_type<uint>(1)));
}
int const x_44 = a;
int const x_46 = x_6.x_GLF_uniform_int_values.arr[0].el;

11
test/vk-gl-cts/graphicsfuzz/cov-dag-combiner-loop-bitfieldreverse/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 tint_padded_array_element {
/* 0x0000 */ int el;
/* 0x0004 */ int8_t tint_pad[12];
@@ -24,10 +29,10 @@ void main_1(constant buf0& x_6, thread float4* const tint_symbol_4) {
int const x_27 = x_6.x_GLF_uniform_int_values.arr[1].el;
a = x_27;
int const x_29 = x_6.x_GLF_uniform_int_values.arr[3].el;
i = -(x_29);
i = tint_unary_minus(x_29);
while (true) {
int const x_35 = i;
int const x_36 = (x_35 + 1);
int const x_36 = as_type<int>((as_type<uint>(x_35) + as_type<uint>(1)));
i = x_36;
int const x_39 = x_6.x_GLF_uniform_int_values.arr[2].el;
if ((reverse_bits(x_36) <= x_39)) {
@@ -35,7 +40,7 @@ void main_1(constant buf0& x_6, thread float4* const tint_symbol_4) {
break;
}
int const x_42 = a;
a = (x_42 + 1);
a = as_type<int>((as_type<uint>(x_42) + as_type<uint>(1)));
}
int const x_44 = a;
int const x_46 = x_6.x_GLF_uniform_int_values.arr[0].el;