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| author | Chris Lattner <sabre@nondot.org> | 2006-03-25 22:12:44 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-03-25 22:12:44 +0000 |
| commit | 5c4c774c75926402b746b14ba73f01572e464ebb (patch) | |
| tree | 0e3c363ae158688e6e1742bf35277a4561820cbf /utils/TableGen/DAGISelEmitter.cpp | |
| parent | 98509ef3c7961e3cd508c1901f537d10a7934f27 (diff) | |
| download | llvm-5c4c774c75926402b746b14ba73f01572e464ebb.tar.gz llvm-5c4c774c75926402b746b14ba73f01572e464ebb.tar.bz2 llvm-5c4c774c75926402b746b14ba73f01572e464ebb.tar.xz | |
Add a missing check which cause an invalid .td file to crash tblgen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27126 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/DAGISelEmitter.cpp')
| -rw-r--r-- | utils/TableGen/DAGISelEmitter.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp index 81a45e1d85..e9d5c42142 100644 --- a/utils/TableGen/DAGISelEmitter.cpp +++ b/utils/TableGen/DAGISelEmitter.cpp @@ -1342,6 +1342,9 @@ void DAGISelEmitter::ParseInstructions() { // Check that it exists in InstResults. TreePatternNode *RNode = InstResults[OpName]; + if (RNode == 0) + I->error("Operand $" + OpName + " does not exist in operand list!"); + if (i == 0) Res0Node = RNode; Record *R = dynamic_cast<DefInit*>(RNode->getLeafValue())->getDef(); |