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| author | Misha Brukman <brukman+llvm@gmail.com> | 2004-06-04 14:59:42 +0000 |
|---|---|---|
| committer | Misha Brukman <brukman+llvm@gmail.com> | 2004-06-04 14:59:42 +0000 |
| commit | bebdb204d225dffbb98129348224a21bbe72a033 (patch) | |
| tree | 172e4a62e9f5ae4e43ee08c577e4175f605c56b2 /utils/TableGen/CodeGenTarget.cpp | |
| parent | a7afa37f3c8a8757e5729ddc22df0bc911bf6024 (diff) | |
Emit a more sensible error message if no subclasses of Target are defined.
Patch contributed by Vladimir Prus.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14010 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/CodeGenTarget.cpp')
| -rw-r--r-- | utils/TableGen/CodeGenTarget.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/utils/TableGen/CodeGenTarget.cpp b/utils/TableGen/CodeGenTarget.cpp index bf641fa276..842294a037 100644 --- a/utils/TableGen/CodeGenTarget.cpp +++ b/utils/TableGen/CodeGenTarget.cpp @@ -72,6 +72,8 @@ std::ostream &operator<<(std::ostream &OS, MVT::ValueType T) { /// CodeGenTarget::CodeGenTarget() : PointerType(MVT::Other) { std::vector<Record*> Targets = Records.getAllDerivedDefinitions("Target"); + if (Targets.size() == 0) + throw std::string("ERROR: No 'Target' subclasses defined!"); if (Targets.size() != 1) throw std::string("ERROR: Multiple subclasses of Target defined!"); TargetRec = Targets[0]; |