[clang] [clang] Use the VFS to get the OpenMP entry info (PR #160935)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-codegen

Author: Jan Svoboda (jansvoboda11)

<details>
<summary>Changes</summary>

This PR uses the VFS to get the OpenMP entry info instead of going straight to the real file system. This matches the behavior of other input files of the compiler.

---
Full diff: https://github.com/llvm/llvm-project/pull/160935.diff


1 Files Affected:

- (modified) clang/lib/CodeGen/CGOpenMPRuntime.cpp (+1-3) 


``````````diff
diff --git a/clang/lib/CodeGen/CGOpenMPRuntime.cpp b/clang/lib/CodeGen/CGOpenMPRuntime.cpp
index 0136f69172aa5..75bde3f72c4c2 100644
--- a/clang/lib/CodeGen/CGOpenMPRuntime.cpp
+++ b/clang/lib/CodeGen/CGOpenMPRuntime.cpp
@@ -1542,10 +1542,8 @@ static llvm::TargetRegionEntryInfo getEntryInfoFromPresumedLoc(
     SourceManager &SM = CGM.getContext().getSourceManager();
     PresumedLoc PLoc = SM.getPresumedLoc(BeginLoc);
 
-    llvm::sys::fs::UniqueID ID;
-    if (llvm::sys::fs::getUniqueID(PLoc.getFilename(), ID)) {
+    if (CGM.getFileSystem()->exists(PLoc.getFilename()))
       PLoc = SM.getPresumedLoc(BeginLoc, /*UseLineDirectives=*/false);
-    }
 
     return std::pair<std::string, uint64_t>(PLoc.getFilename(), PLoc.getLine());
   };

``````````

</details>


https://github.com/llvm/llvm-project/pull/160935