diff options
Diffstat (limited to 'lib/Target/ARM/ARMISelLowering.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMISelLowering.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index 0a64d991c0..77d8f2109d 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -1400,6 +1400,9 @@ ARMTargetLowering::LowerCall(TargetLowering::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 for ARM, only automatically // detected sibcalls. if (isTailCall) { |