[PATCH] D102891: [llvm-reduce] Exit when input module is malformed

[Langston Barrett via Phabricator via llvm-commits]

langston-barrett updated this revision to Diff 347075.
langston-barrett added a comment.

Add a test case


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102891/new/

https://reviews.llvm.org/D102891

Files:
  llvm/test/tools/llvm-reduce/fail-file-open.test
  llvm/tools/llvm-reduce/llvm-reduce.cpp


Index: llvm/tools/llvm-reduce/llvm-reduce.cpp
===================================================================
--- llvm/tools/llvm-reduce/llvm-reduce.cpp
+++ llvm/tools/llvm-reduce/llvm-reduce.cpp
@@ -116,6 +116,10 @@
   std::unique_ptr<Module> OriginalProgram =
       parseInputFile(InputFilename, Context);
 
+  if (!OriginalProgram) {
+    return 1;
+  }
+
   // Initialize test environment
   TestRunner Tester(TestFilename, TestArguments);
   Tester.setProgram(std::move(OriginalProgram));
Index: llvm/test/tools/llvm-reduce/fail-file-open.test
===================================================================
--- /dev/null
+++ llvm/test/tools/llvm-reduce/fail-file-open.test
@@ -0,0 +1,5 @@
+# RUN: not llvm-reduce --test=echo %s.NotAFileInTestingDir 2>&1 | FileCheck %s
+
+This file will not be read. An invalid file path is fed to llvm-reduce.
+
+# CHECK: llvm-reduce: {{.*}}.NotAFileInTestingDir: error: Could not open input file: No such file or directory
\ No newline at end of file


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