diff options
Diffstat (limited to 'lib/Target/ARM64/ARM64ISelLowering.cpp')
| -rw-r--r-- | lib/Target/ARM64/ARM64ISelLowering.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/ARM64/ARM64ISelLowering.cpp b/lib/Target/ARM64/ARM64ISelLowering.cpp index 154306c02b..58e425938e 100644 --- a/lib/Target/ARM64/ARM64ISelLowering.cpp +++ b/lib/Target/ARM64/ARM64ISelLowering.cpp @@ -1957,6 +1957,9 @@ SDValue ARM64TargetLowering::LowerCall(CallLoweringInfo &CLI, IsTailCall = isEligibleForTailCallOptimization( Callee, CallConv, IsVarArg, IsStructRet, MF.getFunction()->hasStructRetAttr(), Outs, OutVals, Ins, DAG); + if (!IsTailCall && CLI.CS && CLI.CS->isMustTailCall()) + report_fatal_error("failed to perform tail call elimination on a call " + "site marked musttail"); // We don't support GuaranteedTailCallOpt, only automatically // detected sibcalls. // FIXME: Re-evaluate. Is this true? Should it be true? |