Replace SLANG_ALIGN_OF with C++11 alignof (#7523)

* Replace SLANG_ALIGN_OF with C++11 alignof

* Fix formatting (again)

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/bugs/gh-7522.slang b/tests/bugs/gh-7522.slang
new file mode 100644
index 000000000..01464cdac
--- /dev/null
+++ b/tests/bugs/gh-7522.slang
@@ -0,0 +1,15 @@
+//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK): -cpu
+
+//TEST_INPUT:ubuffer(data=[0 0], stride=4):out,name=outputBuffer
+RWStructuredBuffer<int> outputBuffer;
+
+[numthreads(1, 1, 1)]
+void computeMain(int3 dispatchThreadID: SV_DispatchThreadID)
+{
+    // The point of this test is to just check that __alignOf isn't implemented
+    // as a C macro that misinterprets templates as multiple arguments and fails
+    // to compile :) That's why it doesn't care much about the actual values of
+    // the alignments.
+    outputBuffer[0] = __alignOf<float2>() > 0 ? 1 : 0; // CHECK: 1
+    outputBuffer[1] = __alignOf<vector<int, 2>>() > 0 ? 1 : 0; // CHECK-NEXT: 1
+}