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| author | Reid Spencer <rspencer@reidspencer.com> | 2006-08-21 02:04:43 +0000 |
|---|---|---|
| committer | Reid Spencer <rspencer@reidspencer.com> | 2006-08-21 02:04:43 +0000 |
| commit | 023fcf977660e686e04f5bef0e2a7321db47df7e (patch) | |
| tree | 21e3b0af2281c2ede5c731f98d5c6cb22dd135a6 /lib/Support/GraphWriter.cpp | |
| parent | 422fa625d9bdc37ebba9fc8ce16f141ffa80fc58 (diff) | |
| download | llvm-023fcf977660e686e04f5bef0e2a7321db47df7e.tar.gz llvm-023fcf977660e686e04f5bef0e2a7321db47df7e.tar.bz2 llvm-023fcf977660e686e04f5bef0e2a7321db47df7e.tar.xz | |
For PR797:
Make sys::Program::ExecuteAndWait not throw exceptions and update any
affected code. It now return -9999 to signal that the program couldn't be
executed. Only one case (in bugpoint) actually examines the result code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29785 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support/GraphWriter.cpp')
| -rw-r--r-- | lib/Support/GraphWriter.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Support/GraphWriter.cpp b/lib/Support/GraphWriter.cpp index f3255d815c..152261fbac 100644 --- a/lib/Support/GraphWriter.cpp +++ b/lib/Support/GraphWriter.cpp @@ -59,7 +59,9 @@ void llvm::DisplayGraph(const sys::Path &Filename) { args.push_back(PSFilename.c_str()); args.push_back(0); - sys::Program::ExecuteAndWait(gv, &args[0]); + if (sys::Program::ExecuteAndWait(gv, &args[0])) { + std::cerr << "Error viewing graph: 'gv' not in path?\n"; + } } PSFilename.eraseFromDisk(); #elif HAVE_DOTTY |