diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/FastISel.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/FastISel.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp index 8188928353..965fc02286 100644 --- a/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/lib/CodeGen/SelectionDAG/FastISel.cpp @@ -30,6 +30,12 @@ bool FastISel::SelectBinaryOp(Instruction *I, ISD::NodeType ISDOpcode, if (VT == MVT::Other || !VT.isSimple()) // Unhandled type. Halt "fast" selection and bail. return false; + // We only handle legal types. For example, on x86-32 the instruction + // selector contains all of the 64-bit instructions from x86-64, + // under the assumption that i64 won't be used if the target doesn't + // support it. + if (!TLI.isTypeLegal(VT)) + return false; unsigned Op0 = ValueMap[I->getOperand(0)]; if (Op0 == 0) |