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

[Michal Paszkowski via llvm-commits]

================
@@ -0,0 +1,21 @@
+; 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 %}
+
+ at .str.1 = private unnamed_addr addrspace(1) constant [1 x i8] zeroinitializer, align 1
+
+define linkonce_odr hidden spir_func void @foo() {
----------------
michalpaszkowski wrote:

```suggestion
define linkonce_odr hidden spir_func void @test() {
```

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