diff options
| author | Dan Gohman <gohman@apple.com> | 2008-08-20 00:35:17 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-08-20 00:35:17 +0000 |
| commit | a7f2dff98e68ed8b2ac32f953768c04f26b52bea (patch) | |
| tree | 1c89bad2b1cfa3a94e9ca52276fb276447df41ad /lib/CodeGen/SelectionDAG/FastISel.cpp | |
| parent | 80b7bc865a995bb9cc7e2e20751aedfbfab683c7 (diff) | |
Fix FastISel to recognize unhandled operands, such as constants
that aren't available as virtual registers (for now).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55026 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/FastISel.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/FastISel.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp index 996cea0155..e56747a89c 100644 --- a/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/lib/CodeGen/SelectionDAG/FastISel.cpp @@ -25,6 +25,10 @@ bool FastISel::SelectBinaryOp(Instruction *I, ISD::NodeType ISDOpcode, DenseMap<const Value*, unsigned> &ValueMap) { unsigned Op0 = ValueMap[I->getOperand(0)]; unsigned Op1 = ValueMap[I->getOperand(1)]; + if (Op0 == 0 || Op1 == 0) + // Unhandled operand. Halt "fast" selection and bail. + return false; + MVT VT = MVT::getMVT(I->getType(), /*HandleUnknown=*/true); if (VT == MVT::Other || !VT.isSimple()) // Unhandled type. Halt "fast" selection and bail. |