================
@@ -0,0 +1,35 @@
+// RUN: %clang_cc1 -std=hlsl202x -finclude-default-header -triple \
+// RUN: dxil-pc-shadermodel6.6-library %s -emit-llvm -disable-llvm-passes -o
- | \
+// RUN: FileCheck %s --check-prefixes=CHECK,DXCHECK
+
+// SPIR-V codegen for RasterizerOrderedByteAddressBuffer is not implemented
+// yet (asserts in clang/lib/CodeGen/Targets/SPIR.cpp on
+// `!ResAttrs.IsROV && "Rasterizer order views not implemented for SPIR-V
yet"`).
+// Add a `spirv-pc-vulkan1.3-library` RUN line here when SPIR-V ROV support
+// lands.
+
+RasterizerOrderedByteAddressBuffer ROVB : register(u1);
+
+// CHECK-LABEL: define void @{{.*}}test_rovb_uint
+// DXCHECK: %[[HANDLE:.*]] = load target("dx.RawBuffer", i8, 1, 1), ptr {{.*}}
+// DXCHECK: %[[PTR:.*]] = call ptr
@llvm.dx.resource.getpointer.p0.tdx.RawBuffer_i8_1_1t.i32(target("dx.RawBuffer",
i8, 1, 1) %[[HANDLE]], i32 %{{.*}})
+// DXCHECK: %[[PAIR:.*]] = cmpxchg ptr %[[PTR]], i32 %{{.*}}, i32 %{{.*}}
syncscope("device") monotonic monotonic
+// DXCHECK-NEXT: %[[OLD:.*]] = extractvalue { i32, i1 } %[[PAIR]], 0
+// DXCHECK-NEXT: %[[OUT:.*]] = load ptr, ptr {{.*}}%OriginalValue.addr
----------------
joaosaffran wrote:
nit: Shouldn't `%OriginalValue.addr` be one of the variables we got earlier?
like `%[[OLD]]`, maybe
https://github.com/llvm/llvm-project/pull/222165
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