[llvm-commits] [llvm] r125193 - /llvm/trunk/utils/FileCheck/FileCheck.cpp
Chris Lattner
sabre at nondot.org
Wed Feb 9 08:46:03 PST 2011
Author: lattner
Date: Wed Feb 9 10:46:02 2011
New Revision: 125193
URL: http://llvm.org/viewvc/llvm-project?rev=125193&view=rev
Log:
emit a specific error when the input file is empty. This fixes
an annoyance of mine when working on tests: if the input .ll file
is broken, opt outputs an error and generates an empty file. FileCheck
then emits its "ooh I couldn't find the first CHECK line, scanning
from ..." which obfuscates the actual problem.
Modified:
llvm/trunk/utils/FileCheck/FileCheck.cpp
Modified: llvm/trunk/utils/FileCheck/FileCheck.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/FileCheck/FileCheck.cpp?rev=125193&r1=125192&r2=125193&view=diff
==============================================================================
--- llvm/trunk/utils/FileCheck/FileCheck.cpp (original)
+++ llvm/trunk/utils/FileCheck/FileCheck.cpp Wed Feb 9 10:46:02 2011
@@ -659,6 +659,11 @@
}
MemoryBuffer *F = File.take();
+ if (F->getBufferSize() == 0) {
+ errs() << "FileCheck error: '" << InputFilename << "' is empty.\n";
+ return 1;
+ }
+
// Remove duplicate spaces in the input file if requested.
if (!NoCanonicalizeWhiteSpace)
F = CanonicalizeInputFile(F);
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