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| 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 | f6884373c278f6b2306d55bd7b556accb3dcf8f5 (patch) | |
| tree | 2a44a551605fc0f5f9de05cf7111326e4c6027ba /llvm/lib/CodeGen/SelectionDAG/FastISel.cpp | |
| parent | 71573d05f9d19b498c00a060667edb0dbab66737 (diff) | |
| download | bcm5719-llvm-f6884373c278f6b2306d55bd7b556accb3dcf8f5.tar.gz bcm5719-llvm-f6884373c278f6b2306d55bd7b556accb3dcf8f5.zip | |
Fix FastISel to recognize unhandled operands, such as constants
that aren't available as virtual registers (for now).
llvm-svn: 55026
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/FastISel.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/FastISel.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp index 996cea0155c..e56747a89c1 100644 --- a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/llvm/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. |
