diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/FastISel.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/FastISel.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp index fbceb2fc95..387929e751 100644 --- a/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/lib/CodeGen/SelectionDAG/FastISel.cpp @@ -250,9 +250,6 @@ FastISel::SelectInstructions(BasicBlock::iterator Begin, !TLI.isTypeLegal(SrcVT) || !TLI.isTypeLegal(DstVT)) // Unhandled type. Halt "fast" selection and bail. return I; - if (!TLI.isConvertLegal(SrcVT, DstVT)) - // Illegal conversion. Halt "fast" selection and bail. - return I; // Otherwise, insert a register-to-register copy. TargetRegisterClass* SrcClass = TLI.getRegClassFor(SrcVT); @@ -264,9 +261,12 @@ FastISel::SelectInstructions(BasicBlock::iterator Begin, // Unhandled operand. Halt "fast" selection and bail. return false; - TII.copyRegToReg(*MBB, MBB->end(), ResultReg, Op0, DstClass, SrcClass); - ValueMap[I] = ResultReg; + bool InsertedCopy = TII.copyRegToReg(*MBB, MBB->end(), ResultReg, + Op0, DstClass, SrcClass); + if (!InsertedCopy) + return I; + ValueMap[I] = ResultReg; break; } else // TODO: Casting a non-integral constant? |