[llvm] [SPIRV] Porting 4 tests from Translator (PR #151646)

[Michal Paszkowski via llvm-commits]

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@@ -0,0 +1,20 @@
+;; This test checks if we generate a single builtin variable for the following
+;; LLVM IR.
+;; @__spirv_BuiltInLocalInvocationId - A global variable
+;; %3 = tail call i64 @_Z12get_local_idj(i32 0) - A function call
+
+; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s
+; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv64-unknown-unknown %s -o - -filetype=obj | spirv-val %}
+
+; CHECK: OpName %[[#]] "__spirv_BuiltInLocalInvocationId"
+; CHECK-NOT: OpName %[[#]] "__spirv_BuiltInLocalInvocationId.1"
+
+ at __spirv_BuiltInLocalInvocationId = external dso_local local_unnamed_addr addrspace(1) constant <3 x i64>, align 32
+
+declare spir_func i64 @_Z12get_local_idj(i32) local_unnamed_addr
+
+define spir_kernel void @test_fn(i32 %a) {
+entry:
+  %3 = tail call i64 @_Z12get_local_idj(i32 0)
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michalpaszkowski wrote:

```suggestion
  %builtin_call = tail call i64 @_Z12get_local_idj(i32 0)
```

https://github.com/llvm/llvm-project/pull/151646