[llvm] MCExpr-ify AMDGPU PALMetadata (PR #93236)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,245 @@
+//===- llvm/unittests/MC/AMDGPU/PALMetadata.cpp ---------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "AMDGPUTargetMachine.h"
+#include "GCNSubtarget.h"
+#include "SIProgramInfo.h"
+#include "Utils/AMDGPUPALMetadata.h"
+#include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/MC/MCSymbol.h"
+#include "llvm/MC/MCTargetOptions.h"
+#include "llvm/MC/TargetRegistry.h"
+#include "llvm/Support/TargetSelect.h"
+#include "llvm/Target/TargetMachine.h"
+#include "gtest/gtest.h"
+
+using namespace llvm;
+
+class PALMetadata : public testing::Test {
+protected:
+  std::unique_ptr<GCNTargetMachine> TM;
+  std::unique_ptr<LLVMContext> Ctx;
+  std::unique_ptr<GCNSubtarget> ST;
+  std::unique_ptr<MachineModuleInfo> MMI;
+  std::unique_ptr<MachineFunction> MF;
+  std::unique_ptr<Module> M;
+  AMDGPUPALMetadata MD;
+
+  static void SetUpTestSuite() {
+    LLVMInitializeAMDGPUTargetInfo();
+    LLVMInitializeAMDGPUTarget();
+    LLVMInitializeAMDGPUTargetMC();
+  }
+
+  PALMetadata() {
+    std::string Triple = "amdgcn--amdpal";
+    std::string CPU = "gfx1010";
+    std::string FS = "";
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arsenm wrote:

These can all be StringRef/StringLiteral 

https://github.com/llvm/llvm-project/pull/93236