[clang] [HLSL][SPIR-V] Add hlsl_private address space for HLSL/SPIR-V (PR #122103)

[Nathan Gauër via cfe-commits]

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@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-compute -std=hlsl202x -emit-llvm -o - -disable-llvm-passes %s | FileCheck %s --check-prefixes=CHECK
+// RUN: %clang_cc1 -triple spirv-pc-vulkan1.3-compute -std=hlsl202x -emit-llvm -o - -disable-llvm-passes %s | FileCheck %s --check-prefixes=CHECK
+
+struct S {
+  static int Value;
+};
+
+int S::Value = 1;
+// CHECK: @_ZN1S5ValueE = global i32 1, align 4
+
+[shader("compute")]
+[numthreads(1,1,1)]
+void main() {
+  S s;
+  int value1, value2;
+// CHECK:      %s = alloca %struct.S, align 1
+// CHECK: %value1 = alloca i32, align 4
+// CHECK: %value2 = alloca i32, align 4
+
+// CHECK: [[tmp:%.*]] = load i32, ptr @_ZN1S5ValueE, align 4
+// CHECK: store i32 [[tmp]], ptr %value1, align 4
+  value1 = S::Value;
+
+// CHECK: [[tmp:%.*]] = load i32, ptr @_ZN1S5ValueE, align 4
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Keenuts wrote:

Is it? The codegen is the same, but the syntax is slightly different, hence could imagine the code paths would be different?

https://github.com/llvm/llvm-project/pull/122103