[llvm] ForceFunctionAttrs: Use reportFatalUsageError (PR #139473)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Matt Arsenault (arsenm)

<details>
<summary>Changes</summary>

Also add a missing test for the failure.

---
Full diff: https://github.com/llvm/llvm-project/pull/139473.diff


2 Files Affected:

- (modified) llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp (+1-1) 
- (added) llvm/test/Transforms/ForcedFunctionAttrs/open-file-error.ll (+6) 


``````````diff
diff --git a/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp b/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp
index 9cf4e448c9b6f..5b4d3b7c1be7e 100644
--- a/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp
+++ b/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp
@@ -92,7 +92,7 @@ PreservedAnalyses ForceFunctionAttrsPass::run(Module &M,
   if (!CSVFilePath.empty()) {
     auto BufferOrError = MemoryBuffer::getFileOrSTDIN(CSVFilePath);
     if (!BufferOrError)
-      report_fatal_error("Cannot open CSV file.");
+      reportFatalUsageError("cannot open CSV file");
     StringRef Buffer = BufferOrError.get()->getBuffer();
     auto MemoryBuffer = MemoryBuffer::getMemBuffer(Buffer);
     line_iterator It(*MemoryBuffer);
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 0000000000000..2eded57651616
--- /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 %s
+
+; CHECK: LLVM ERROR: cannot open CSV file
+define void @first_function() {
+  ret void
+}

``````````

</details>


https://github.com/llvm/llvm-project/pull/139473