[HIP] Do not include the CUID module hash with the new driver (#84332)

jhuber6 · web-flow · commit 630289f77d67 · 2024-03-07T11:04:40.000-06:00
Summary:
The new driver does not need this hash and it can lead to redefined
symbol errors when the CUID hash isn't set.
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -916,7 +916,7 @@ void CodeGenModule::Release() {
         llvm::ConstantArray::get(ATy, UsedArray), "__clang_gpu_used_external");
     addCompilerUsedGlobal(GV);
   }
-  if (LangOpts.HIP) {
+  if (LangOpts.HIP && !getLangOpts().OffloadingNewDriver) {
     // Emit a unique ID so that host and device binaries from the same
     // compilation unit can be associated.
     auto *GV = new llvm::GlobalVariable(

Original file line number	Diff line number	Diff line change
`@@ -916,7 +916,7 @@ void CodeGenModule::Release() {`
`916`	`916`	`llvm::ConstantArray::get(ATy, UsedArray), "__clang_gpu_used_external");`
`917`	`917`	`addCompilerUsedGlobal(GV);`
`918`	`918`	`}`
`919`		`- if (LangOpts.HIP) {`
	`919`	`+ if (LangOpts.HIP && !getLangOpts().OffloadingNewDriver) {`
`920`	`920`	`// Emit a unique ID so that host and device binaries from the same`
`921`	`921`	`// compilation unit can be associated.`
`922`	`922`	`auto *GV = new llvm::GlobalVariable(`