[compiler-rt] [libcxx] [flang] [openmp] [llvm] [clang-tools-extra] [clang] [lldb] [lld] [libc] [PGO][OpenMP] Instrumentation for GPU devices (PR #76587)

[Matt Arsenault via cfe-commits]

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@@ -862,14 +862,18 @@ static void instrumentOneFunc(
   auto Name = FuncInfo.FuncNameVar;
   auto CFGHash = ConstantInt::get(Type::getInt64Ty(M->getContext()),
                                   FuncInfo.FunctionHash);
+  // Make sure that pointer to global is passed in with zero addrspace
+  // This is relevant during GPU profiling
+  auto *NormalizedPtr = llvm::ConstantExpr::getPointerBitCastOrAddrSpaceCast(
+      Name, llvm::PointerType::getUnqual(M->getContext()));
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arsenm wrote:

Avoid getUnqual, use an explicit 0 addrspace.

Also there should be no reason to emit pointer bitcast, simplify to just create addrspacecast 

https://github.com/llvm/llvm-project/pull/76587