Refactor function that checks that __builtin_returnaddress's argument is constant.
This moves the check up into the parent class so that all targets can use it
without having to copy (and keep in sync) the same error message.
llvm-svn: 198579
diff --git a/llvm/lib/Target/Mips/MipsISelLowering.cpp b/llvm/lib/Target/Mips/MipsISelLowering.cpp
index 220b1c4..40d385e 100644
--- a/llvm/lib/Target/Mips/MipsISelLowering.cpp
+++ b/llvm/lib/Target/Mips/MipsISelLowering.cpp
@@ -1845,11 +1845,8 @@
SDValue MipsTargetLowering::lowerRETURNADDR(SDValue Op,
SelectionDAG &DAG) const {
- if (!isa<ConstantSDNode>(Op.getOperand(0))) {
- DAG.getContext()->emitError("argument to '__builtin_return_address' must "
- "be a constant integer");
+ if (verifyReturnAddressArgumentIsConstant(Op, DAG))
return SDValue();
- }
// check the depth
assert((cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue() == 0) &&