Fix issue about mutiple source files

HIP now uses llvm_offload_entries as section name.

Author: yxsamliu

clang/test/Driver/linker-wrapper.c

@@ -223,6 +223,7 @@ __attribute__((visibility("protected"), used)) int x;
 // RELOCATABLE-LINK-HIP: clang-offload-bundler{{.*}} -type=o -bundle-align=4096 -targets=host-x86_64-unknown-linux-gnu,hip-amdgcn-amd-amdhsa--gfx90a -input={{/dev/null|NUL}} -input={{.*}} -output={{.*}}
 // RELOCATABLE-LINK-HIP: /usr/bin/ld.lld{{.*}}-r
 // RELOCATABLE-LINK-HIP: llvm-objcopy{{.*}}a.out --remove-section .llvm.offloading
+// RELOCATABLE-LINK-HIP: --rename-section llvm_offload_entries
 
 // RUN: clang-offload-packager -o %t.out \
 // RUN:   --image=file=%t.elf.o,kind=cuda,triple=nvptx64-nvidia-cuda,arch=sm_89 \

clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp

@@ -310,8 +310,8 @@ Error relocateOffloadSection(const ArgList &Args, StringRef Output) {
   // Remove the old .llvm.offloading section to prevent further linking.
   ObjcopyArgs.emplace_back("--remove-section");
   ObjcopyArgs.emplace_back(".llvm.offloading");
-  for (StringRef Prefix : {"omp", "cuda", "hip"}) {
-    auto Section = (Prefix + "_offloading_entries").str();
+  for (StringRef Prefix : {"omp", "cuda", "hip", "llvm"}) {
+    auto Section = (Prefix + "_offload_entries").str();
     // Rename the offloading entires to make them private to this link unit.
     ObjcopyArgs.emplace_back("--rename-section");
     ObjcopyArgs.emplace_back(