tint/test-runner: Split expectations for FXC and DXC

Change tint's `--fxc` flag to take the path of the FXC compiler DLL.
Have tint attempt to validate with both FXC and DXC if `--validate` is
passed.

Fix the 'dirsWithNoPassExpectations' logic which looks like it got
broken with the tint -> dawn merge. It also incorrectly applied
filepath.FromSlash() on windows.

Change-Id: I0f46aa5c21bc48a2abc48402c41f846aff4a8633
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/96800
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Commit-Queue: Ben Clayton <bclayton@chromium.org>

test/tint/builtins/atomicStore/array/array.spvasm.expected.fxc.hlsl

@@ -0,0 +1,45 @@
+static uint local_invocation_index_1 = 0u;
+groupshared uint wg[4];
+
+void compute_main_inner(uint local_invocation_index) {
+  uint idx = 0u;
+  idx = local_invocation_index;
+  {
+    [loop] for(; !(!((idx < 4u))); idx = (idx + 1u)) {
+      uint atomic_result = 0u;
+      InterlockedExchange(wg[idx], 0u, atomic_result);
+    }
+  }
+  GroupMemoryBarrierWithGroupSync();
+  uint atomic_result_1 = 0u;
+  InterlockedExchange(wg[1], 1u, atomic_result_1);
+  return;
+}
+
+void compute_main_1() {
+  compute_main_inner(local_invocation_index_1);
+  return;
+}
+
+struct tint_symbol_1 {
+  uint local_invocation_index_1_param : SV_GroupIndex;
+};
+
+void compute_main_inner_1(uint local_invocation_index_1_param) {
+  {
+    [loop] for(uint idx_1 = local_invocation_index_1_param; (idx_1 < 4u); idx_1 = (idx_1 + 1u)) {
+      const uint i = idx_1;
+      uint atomic_result_2 = 0u;
+      InterlockedExchange(wg[i], 0u, atomic_result_2);
+    }
+  }
+  GroupMemoryBarrierWithGroupSync();
+  local_invocation_index_1 = local_invocation_index_1_param;
+  compute_main_1();
+}
+
+[numthreads(1, 1, 1)]
+void compute_main(tint_symbol_1 tint_symbol) {
+  compute_main_inner_1(tint_symbol.local_invocation_index_1_param);
+  return;
+}

test/tint/builtins/atomicStore/array/array.wgsl.expected.fxc.hlsl

@@ -0,0 +1,24 @@
+groupshared uint wg[4];
+
+struct tint_symbol_1 {
+  uint local_invocation_index : SV_GroupIndex;
+};
+
+void compute_main_inner(uint local_invocation_index) {
+  {
+    [loop] for(uint idx = local_invocation_index; (idx < 4u); idx = (idx + 1u)) {
+      const uint i = idx;
+      uint atomic_result = 0u;
+      InterlockedExchange(wg[i], 0u, atomic_result);
+    }
+  }
+  GroupMemoryBarrierWithGroupSync();
+  uint atomic_result_1 = 0u;
+  InterlockedExchange(wg[1], 1u, atomic_result_1);
+}
+
+[numthreads(1, 1, 1)]
+void compute_main(tint_symbol_1 tint_symbol) {
+  compute_main_inner(tint_symbol.local_invocation_index);
+  return;
+}

test/tint/builtins/atomicStore/array/arrays.spvasm.expected.dxc.hlsl

@@ -0,0 +1,47 @@
+static uint local_invocation_index_1 = 0u;
+groupshared uint wg[3][2][1];
+
+void compute_main_inner(uint local_invocation_index) {
+  uint idx = 0u;
+  idx = local_invocation_index;
+  {
+    [loop] for(; !(!((idx < 6u))); idx = (idx + 1u)) {
+      uint atomic_result = 0u;
+      InterlockedExchange(wg[(idx / 2u)][(idx % 2u)][(idx % 1u)], 0u, atomic_result);
+    }
+  }
+  GroupMemoryBarrierWithGroupSync();
+  uint atomic_result_1 = 0u;
+  InterlockedExchange(wg[2][1][0], 1u, atomic_result_1);
+  return;
+}
+
+void compute_main_1() {
+  compute_main_inner(local_invocation_index_1);
+  return;
+}
+
+struct tint_symbol_1 {
+  uint local_invocation_index_1_param : SV_GroupIndex;
+};
+
+void compute_main_inner_1(uint local_invocation_index_1_param) {
+  {
+    [loop] for(uint idx_1 = local_invocation_index_1_param; (idx_1 < 6u); idx_1 = (idx_1 + 1u)) {
+      const uint i = (idx_1 / 2u);
+      const uint i_1 = (idx_1 % 2u);
+      const uint i_2 = (idx_1 % 1u);
+      uint atomic_result_2 = 0u;
+      InterlockedExchange(wg[i][i_1][i_2], 0u, atomic_result_2);
+    }
+  }
+  GroupMemoryBarrierWithGroupSync();
+  local_invocation_index_1 = local_invocation_index_1_param;
+  compute_main_1();
+}
+
+[numthreads(1, 1, 1)]
+void compute_main(tint_symbol_1 tint_symbol) {
+  compute_main_inner_1(tint_symbol.local_invocation_index_1_param);
+  return;
+}

test/tint/builtins/atomicStore/array/arrays.spvasm.expected.fxc.hlsl

@@ -0,0 +1,47 @@
+static uint local_invocation_index_1 = 0u;
+groupshared uint wg[3][2][1];
+
+void compute_main_inner(uint local_invocation_index) {
+  uint idx = 0u;
+  idx = local_invocation_index;
+  {
+    [loop] for(; !(!((idx < 6u))); idx = (idx + 1u)) {
+      uint atomic_result = 0u;
+      InterlockedExchange(wg[(idx / 2u)][(idx % 2u)][(idx % 1u)], 0u, atomic_result);
+    }
+  }
+  GroupMemoryBarrierWithGroupSync();
+  uint atomic_result_1 = 0u;
+  InterlockedExchange(wg[2][1][0], 1u, atomic_result_1);
+  return;
+}
+
+void compute_main_1() {
+  compute_main_inner(local_invocation_index_1);
+  return;
+}
+
+struct tint_symbol_1 {
+  uint local_invocation_index_1_param : SV_GroupIndex;
+};
+
+void compute_main_inner_1(uint local_invocation_index_1_param) {
+  {
+    [loop] for(uint idx_1 = local_invocation_index_1_param; (idx_1 < 6u); idx_1 = (idx_1 + 1u)) {
+      const uint i = (idx_1 / 2u);
+      const uint i_1 = (idx_1 % 2u);
+      const uint i_2 = (idx_1 % 1u);
+      uint atomic_result_2 = 0u;
+      InterlockedExchange(wg[i][i_1][i_2], 0u, atomic_result_2);
+    }
+  }
+  GroupMemoryBarrierWithGroupSync();
+  local_invocation_index_1 = local_invocation_index_1_param;
+  compute_main_1();
+}
+
+[numthreads(1, 1, 1)]
+void compute_main(tint_symbol_1 tint_symbol) {
+  compute_main_inner_1(tint_symbol.local_invocation_index_1_param);
+  return;
+}

test/tint/builtins/atomicStore/array/arrays.wgsl.expected.dxc.hlsl

@@ -0,0 +1,26 @@
+groupshared uint wg[3][2][1];
+
+struct tint_symbol_1 {
+  uint local_invocation_index : SV_GroupIndex;
+};
+
+void compute_main_inner(uint local_invocation_index) {
+  {
+    [loop] for(uint idx = local_invocation_index; (idx < 6u); idx = (idx + 1u)) {
+      const uint i = (idx / 2u);
+      const uint i_1 = (idx % 2u);
+      const uint i_2 = (idx % 1u);
+      uint atomic_result = 0u;
+      InterlockedExchange(wg[i][i_1][i_2], 0u, atomic_result);
+    }
+  }
+  GroupMemoryBarrierWithGroupSync();
+  uint atomic_result_1 = 0u;
+  InterlockedExchange(wg[2][1][0], 1u, atomic_result_1);
+}
+
+[numthreads(1, 1, 1)]
+void compute_main(tint_symbol_1 tint_symbol) {
+  compute_main_inner(tint_symbol.local_invocation_index);
+  return;
+}

test/tint/builtins/atomicStore/array/arrays.wgsl.expected.fxc.hlsl

@@ -0,0 +1,26 @@
+groupshared uint wg[3][2][1];
+
+struct tint_symbol_1 {
+  uint local_invocation_index : SV_GroupIndex;
+};
+
+void compute_main_inner(uint local_invocation_index) {
+  {
+    [loop] for(uint idx = local_invocation_index; (idx < 6u); idx = (idx + 1u)) {
+      const uint i = (idx / 2u);
+      const uint i_1 = (idx % 2u);
+      const uint i_2 = (idx % 1u);
+      uint atomic_result = 0u;
+      InterlockedExchange(wg[i][i_1][i_2], 0u, atomic_result);
+    }
+  }
+  GroupMemoryBarrierWithGroupSync();
+  uint atomic_result_1 = 0u;
+  InterlockedExchange(wg[2][1][0], 1u, atomic_result_1);
+}
+
+[numthreads(1, 1, 1)]
+void compute_main(tint_symbol_1 tint_symbol) {
+  compute_main_inner(tint_symbol.local_invocation_index);
+  return;
+}