[llvm] llvm-profdata: Resolve tilde for weighted input filenames (PR #146206)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-pgo

Author: Yi Kong (kongy)

<details>
<summary>Changes</summary>

Since the weighted input argument is in the format of <weight>,<filename>, shell does not automatically expand the tilde in the file name.

---
Full diff: https://github.com/llvm/llvm-project/pull/146206.diff


1 Files Affected:

- (modified) llvm/tools/llvm-profdata/llvm-profdata.cpp (+4-1) 


``````````diff
diff --git a/llvm/tools/llvm-profdata/llvm-profdata.cpp b/llvm/tools/llvm-profdata/llvm-profdata.cpp
index a7cbd4bfc8387..45eac90aef935 100644
--- a/llvm/tools/llvm-profdata/llvm-profdata.cpp
+++ b/llvm/tools/llvm-profdata/llvm-profdata.cpp
@@ -1705,7 +1705,10 @@ static WeightedFile parseWeightedFile(const StringRef &WeightedFilename) {
   if (WeightStr.getAsInteger(10, Weight) || Weight < 1)
     exitWithError("input weight must be a positive integer");
 
-  return {std::string(FileName), Weight};
+  llvm::SmallString<128> ResolvedFileName;
+  llvm::sys::fs::expand_tilde(FileName, ResolvedFileName);
+
+  return {std::string(ResolvedFileName), Weight};
 }
 
 static void addWeightedInput(WeightedFileVector &WNI, const WeightedFile &WF) {

``````````

</details>


https://github.com/llvm/llvm-project/pull/146206