[llvm] [DiagnosticInfo] Fix the default DiagnosticSeverity (PR #120342)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-ir

Author: Jinsong Ji (jsji)

<details>
<summary>Changes</summary>

After
https://github.com/llvm/llvm-project/commit/ea632e1b34e1

the API call to LLVMContext->emitError(I, Errorstr) default to warning
instead of error.

This cause problems as the API mentioned it is "prefixed with error:".


---
Full diff: https://github.com/llvm/llvm-project/pull/120342.diff


1 Files Affected:

- (modified) llvm/include/llvm/IR/DiagnosticInfo.h (+1-1) 


``````````diff
diff --git a/llvm/include/llvm/IR/DiagnosticInfo.h b/llvm/include/llvm/IR/DiagnosticInfo.h
index 0d582cc17967e5..694785317af040 100644
--- a/llvm/include/llvm/IR/DiagnosticInfo.h
+++ b/llvm/include/llvm/IR/DiagnosticInfo.h
@@ -150,7 +150,7 @@ class DiagnosticInfoGeneric : public DiagnosticInfo {
       : DiagnosticInfo(DK_Generic, Severity), MsgStr(MsgStr) {}
 
   DiagnosticInfoGeneric(const Instruction *I, const Twine &ErrMsg,
-                        DiagnosticSeverity Severity = DS_Warning)
+                        DiagnosticSeverity Severity = DS_Error)
       : DiagnosticInfo(DK_Generic, Severity), MsgStr(ErrMsg), Inst(I) {}
 
   const Twine &getMsgStr() const { return MsgStr; }

``````````

</details>


https://github.com/llvm/llvm-project/pull/120342