[PATCH] D29755: Cache FileID when translating diagnostics in PCH files

[Erik Verbruggen via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL295301: Cache FileID when translating diagnostics in PCH 
files (authored by erikjv).

Changed prior to commit:
  https://reviews.llvm.org/D29755?vs=88366&id=88701#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D29755

Files:
  cfe/trunk/lib/Frontend/ASTUnit.cpp


Index: cfe/trunk/lib/Frontend/ASTUnit.cpp
===================================================================
--- cfe/trunk/lib/Frontend/ASTUnit.cpp
+++ cfe/trunk/lib/Frontend/ASTUnit.cpp
@@ -2541,14 +2541,19 @@
 
   SmallVector<StoredDiagnostic, 4> Result;
   Result.reserve(Diags.size());
+  const FileEntry *PreviousFE = nullptr;
+  FileID FID;
   for (const StandaloneDiagnostic &SD : Diags) {
     // Rebuild the StoredDiagnostic.
     if (SD.Filename.empty())
       continue;
     const FileEntry *FE = FileMgr.getFile(SD.Filename);
     if (!FE)
       continue;
-    FileID FID = SrcMgr.translateFile(FE);
+    if (FE != PreviousFE) {
+      FID = SrcMgr.translateFile(FE);
+      PreviousFE = FE;
+    }
     SourceLocation FileLoc = SrcMgr.getLocForStartOfFile(FID);
     if (FileLoc.isInvalid())
       continue;



Index: cfe/trunk/lib/Frontend/ASTUnit.cpp
===================================================================
--- cfe/trunk/lib/Frontend/ASTUnit.cpp
+++ cfe/trunk/lib/Frontend/ASTUnit.cpp
@@ -2541,14 +2541,19 @@
 
   SmallVector<StoredDiagnostic, 4> Result;
   Result.reserve(Diags.size());
+  const FileEntry *PreviousFE = nullptr;
+  FileID FID;
   for (const StandaloneDiagnostic &SD : Diags) {
     // Rebuild the StoredDiagnostic.
     if (SD.Filename.empty())
       continue;
     const FileEntry *FE = FileMgr.getFile(SD.Filename);
     if (!FE)
       continue;
-    FileID FID = SrcMgr.translateFile(FE);
+    if (FE != PreviousFE) {
+      FID = SrcMgr.translateFile(FE);
+      PreviousFE = FE;
+    }
     SourceLocation FileLoc = SrcMgr.getLocForStartOfFile(FID);
     if (FileLoc.isInvalid())
       continue;

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