Emit missing atomic64 capability, fix int-typed builtin used in both vs and fs. (#6314)

Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com>

2 files changed, 32 insertions, 0 deletions

diff --git a/tests/spirv/atomic-64bit.slang b/tests/spirv/atomic-64bit.slang
new file mode 100644
index 000000000..2b8220dd0
--- /dev/null
+++ b/tests/spirv/atomic-64bit.slang
@@ -0,0 +1,13 @@
+//TEST:SIMPLE(filecheck=CHECK):-target spirv
+
+// CHECK: OpCapability Int64Atomics
+
+groupshared Atomic<uint64_t> atomicVariable;
+
+[shader("compute")]
+[numthreads(1, 1, 1)]
+void main(uint3 threadId : SV_DispatchThreadID)
+{
+    uint64_t value = 4ll;
+    atomicVariable.store(value);
+}
\ No newline at end of file
diff --git a/tests/spirv/view-id.slang b/tests/spirv/view-id.slang
new file mode 100644
index 000000000..9df3168a4
--- /dev/null
+++ b/tests/spirv/view-id.slang
@@ -0,0 +1,19 @@
+//TEST:SIMPLE(filecheck=CHECK): -target spirv
+
+// ViewIndex builtin should be declared twice, once for vertex and once for fragment shader.
+// Because the fragment shader builtin needs Flat, and vertex shader does not.
+
+// CHECK: OpDecorate %{{.*}} BuiltIn ViewIndex
+// CHECK: OpDecorate %{{.*}} BuiltIn ViewIndex
+
+[shader("vertex")]
+float4 vert(int _viewportIndex : SV_ViewID):SV_Position
+{
+    return float4(_viewportIndex);
+}
+
+[shader("fragment")]
+float4 frag(int _viewportIndex : SV_ViewID) : SV_Target
+{
+    return float4(_viewportIndex, 0, 0, 1);
+}
\ No newline at end of file