diff options
Diffstat (limited to 'lib/Target/Hexagon')
-rw-r--r-- | lib/Target/Hexagon/HexagonISelLowering.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/Hexagon/HexagonISelLowering.cpp b/lib/Target/Hexagon/HexagonISelLowering.cpp index 1374179669..e1e954afc5 100644 --- a/lib/Target/Hexagon/HexagonISelLowering.cpp +++ b/lib/Target/Hexagon/HexagonISelLowering.cpp @@ -32,6 +32,7 @@ #include "llvm/IR/GlobalVariable.h" #include "llvm/IR/InlineAsm.h" #include "llvm/IR/Intrinsics.h" +#include "llvm/IR/LLVMContext.h" #include "llvm/Support/CommandLine.h" #include "llvm/Support/Debug.h" #include "llvm/Support/ErrorHandling.h" @@ -981,6 +982,12 @@ HexagonTargetLowering::LowerRETURNADDR(SDValue Op, SelectionDAG &DAG) const { MachineFrameInfo *MFI = MF.getFrameInfo(); MFI->setReturnAddressIsTaken(true); + if (!isa<ConstantSDNode>(Op.getOperand(0))) { + DAG.getContext()->emitError("argument to '__builtin_return_address' must " + "be a constant integer"); + return SDValue(); + } + EVT VT = Op.getValueType(); SDLoc dl(Op); unsigned Depth = cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue(); |