[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() {
+entry:
+; CHECK: %[[#MinusOne:]] = OpConstant %[[#]] 18446744073709551615
+; CHECK: %[[#Ptr:]] = OpConvertUToPtr %[[#]]  %[[#MinusOne]]
+; CHECK: %[[#PtrCast:]] = OpPtrCastToGeneric %[[#]] %[[#]]
+; CHECK: %[[#]] = OpFunctionCall %[[#]] %[[#]] %[[#PtrCast]] %[[#Ptr]]
+
+  %0 = bitcast ptr addrspace(4) inttoptr (i64 -1 to ptr addrspace(4)) to ptr addrspace(4)
+  call spir_func void @bar(ptr addrspace(4) addrspacecast (ptr addrspace(1) @.str.1 to ptr addrspace(4)), ptr addrspace(4) %0)
+  ret void
+}
+
+define linkonce_odr hidden spir_func void @bar(ptr addrspace(4) %__beg, ptr addrspace(4) %__end) {
----------------
michalpaszkowski wrote:

```suggestion
define linkonce_odr hidden spir_func void @bar(ptr addrspace(4) %begin, ptr addrspace(4) %end) {
```

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