commit 43db72d56d6491e5b826172f9dea706aec92693c
author Matt Arsenault <Matthew.Arsenault@amd.com> Thu May 15 15:00:05 2025 +0200
committer GitHub <noreply@github.com> Thu May 15 15:00:05 2025 +0200
tree 449e53ab508b1d93e94ce69a62a5192748276fc3
parent 6090c0e0ee1ab8f1a9b6b2354fc5b204ebaebb99

ForceFunctionAttrs: Use reportFatalUsageError (#139473)

llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp

diff --git a/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp b/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp
index 9cf4e44..7ea7937 100644
--- a/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp
+++ b/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp
@@ -91,8 +91,12 @@
   bool Changed = false;
   if (!CSVFilePath.empty()) {
     auto BufferOrError = MemoryBuffer::getFileOrSTDIN(CSVFilePath);
-    if (!BufferOrError)
-      report_fatal_error("Cannot open CSV file.");
+    if (!BufferOrError) {
+      std::error_code EC = BufferOrError.getError();
+      M.getContext().emitError("cannot open CSV file: " + EC.message());
+      return PreservedAnalyses::all();
+    }
+
     StringRef Buffer = BufferOrError.get()->getBuffer();
     auto MemoryBuffer = MemoryBuffer::getMemBuffer(Buffer);
     line_iterator It(*MemoryBuffer);

llvm/test/Transforms/ForcedFunctionAttrs/open-file-error.ll

diff --git a/llvm/test/Transforms/ForcedFunctionAttrs/open-file-error.ll b/llvm/test/Transforms/ForcedFunctionAttrs/open-file-error.ll
new file mode 100644
index 0000000..61db001
--- /dev/null
+++ b/llvm/test/Transforms/ForcedFunctionAttrs/open-file-error.ll
@@ -0,0 +1,6 @@
+; RUN: not opt -disable-output -passes='forceattrs' -forceattrs-csv-path="%S/CannotOpenFile.csv"  %s 2>&1 | FileCheck -DMSG=%errc_ENOENT %s
+
+; CHECK: error: cannot open CSV file: [[MSG]]
+define void @first_function() {
+  ret void
+}