[clang] [clang][SPIRV] Add builtin for OpGenericCastToPtrExplicit and its SPIR-V friendly binding (PR #137805)

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github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. 
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<details>
<summary>
You can test this locally with the following command:
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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions h,cpp,c -- 
clang/lib/Headers/__clang_spirv_builtins.h 
clang/test/CodeGenSPIRV/Builtins/generic_cast_to_ptr_explicit.c 
clang/test/Headers/spirv_functions.cpp 
clang/test/SemaSPIRV/BuiltIns/generic_cast_to_ptr_explicit.c 
clang/lib/AST/ASTContext.cpp clang/lib/Basic/Targets/SPIR.cpp 
clang/lib/Basic/Targets/SPIR.h clang/lib/CodeGen/CGBuiltin.cpp 
clang/lib/CodeGen/TargetBuiltins/SPIR.cpp clang/lib/Sema/SemaChecking.cpp 
clang/lib/Sema/SemaDeclAttr.cpp clang/lib/Sema/SemaSPIRV.cpp
``````````

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<details>
<summary>
View the diff from clang-format here.
</summary>

``````````diff
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index e526e0b62..85309186b 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -99,7 +99,7 @@ static Value *EmitTargetArchBuiltinExpr(CodeGenFunction *CGF,
   case llvm::Triple::spirv:
   case llvm::Triple::spirv32:
   case llvm::Triple::spirv64:
-  if (CGF->getTarget().getTriple().getOS() != llvm::Triple::OSType::AMDHSA)
+    if (CGF->getTarget().getTriple().getOS() != llvm::Triple::OSType::AMDHSA)
       return CGF->EmitSPIRVBuiltinExpr(BuiltinID, E);
     return CGF->EmitAMDGPUBuiltinExpr(BuiltinID, E);
   default:
diff --git a/clang/lib/Headers/__clang_spirv_builtins.h 
b/clang/lib/Headers/__clang_spirv_builtins.h
index 0b23fc87b..e344ed525 100644
--- a/clang/lib/Headers/__clang_spirv_builtins.h
+++ b/clang/lib/Headers/__clang_spirv_builtins.h
@@ -37,7 +37,7 @@
 // if we do not intent to use the backend. So instead of use target macros, 
rely
 // on a __has_builtin test.
 #if (__has_builtin(__builtin_spirv_generic_cast_to_ptr_explicit))
-#define __SPIRV_BUILTIN_ALIAS(builtin)                                         
 \
+#define __SPIRV_BUILTIN_ALIAS(builtin)                                         
\
   __attribute__((clang_builtin_alias(builtin)))
 #else
 #define __SPIRV_BUILTIN_ALIAS(builtin)
@@ -85,8 +85,9 @@ __spirv_GenericCastToPtrExplicit_ToLocal(__generic const 
volatile void *,
                                          int) __SPIRV_NOEXCEPT;
 extern __SPIRV_overloadable
 __SPIRV_BUILTIN_ALIAS(__builtin_spirv_generic_cast_to_ptr_explicit)
-__private void *__spirv_GenericCastToPtrExplicit_ToPrivate(__generic void *,
-                                                           int) 
__SPIRV_NOEXCEPT;
+__private void *
+__spirv_GenericCastToPtrExplicit_ToPrivate(__generic void *,
+                                           int) __SPIRV_NOEXCEPT;
 extern __SPIRV_overloadable
 __SPIRV_BUILTIN_ALIAS(__builtin_spirv_generic_cast_to_ptr_explicit)
 __private const void *
@@ -110,7 +111,8 @@ __spirv_GenericCastToPtr_ToGlobal(__generic void *p, int) 
__SPIRV_NOEXCEPT {
   return (__global void *)p;
 }
 static __SPIRV_overloadable __SPIRV_inline __global const void *
-__spirv_GenericCastToPtr_ToGlobal(__generic const void *p, int) 
__SPIRV_NOEXCEPT {
+__spirv_GenericCastToPtr_ToGlobal(__generic const void *p,
+                                  int) __SPIRV_NOEXCEPT {
   return (__global const void *)p;
 }
 static __SPIRV_overloadable __SPIRV_inline __global volatile void *
@@ -128,7 +130,8 @@ __spirv_GenericCastToPtr_ToLocal(__generic void *p, int) 
__SPIRV_NOEXCEPT {
   return (__local void *)p;
 }
 static __SPIRV_overloadable __SPIRV_inline __local const void *
-__spirv_GenericCastToPtr_ToLocal(__generic const void *p, int) 
__SPIRV_NOEXCEPT {
+__spirv_GenericCastToPtr_ToLocal(__generic const void *p,
+                                 int) __SPIRV_NOEXCEPT {
   return (__local const void *)p;
 }
 static __SPIRV_overloadable __SPIRV_inline __local volatile void *
diff --git a/clang/lib/Sema/SemaSPIRV.cpp b/clang/lib/Sema/SemaSPIRV.cpp
index 9282d02bc..d5b37e0b8 100644
--- a/clang/lib/Sema/SemaSPIRV.cpp
+++ b/clang/lib/Sema/SemaSPIRV.cpp
@@ -117,13 +117,16 @@ static bool checkGenericCastToPtr(Sema &SemaRef, CallExpr 
*Call) {
   LangAS AddrSpace;
   switch (static_cast<spirv::StorageClass>(StorageClass)) {
   case spirv::StorageClass::CrossWorkgroup:
-    AddrSpace = SemaRef.LangOpts.isSYCL() ? LangAS::sycl_global : 
LangAS::opencl_global;
+    AddrSpace =
+        SemaRef.LangOpts.isSYCL() ? LangAS::sycl_global : 
LangAS::opencl_global;
     break;
   case spirv::StorageClass::Workgroup:
-    AddrSpace = SemaRef.LangOpts.isSYCL() ? LangAS::sycl_local : 
LangAS::opencl_local;
+    AddrSpace =
+        SemaRef.LangOpts.isSYCL() ? LangAS::sycl_local : LangAS::opencl_local;
     break;
   case spirv::StorageClass::Function:
-    AddrSpace = SemaRef.LangOpts.isSYCL() ? LangAS::sycl_private : 
LangAS::opencl_private;
+    AddrSpace = SemaRef.LangOpts.isSYCL() ? LangAS::sycl_private
+                                          : LangAS::opencl_private;
     break;
   default:
     llvm_unreachable("Invalid builtin function");

``````````

</details>


https://github.com/llvm/llvm-project/pull/137805
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