diff options
Diffstat (limited to 'llvm/lib/Target/AArch64/AArch64ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64ISelLowering.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp index d16b116..60aa61e 100644 --- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp +++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp @@ -9028,11 +9028,12 @@ bool AArch64TargetLowering::isEligibleForTailCallOptimization( CallingConv::ID CallerCC = CallerF.getCallingConv(); // SME Streaming functions are not eligible for TCO as they may require - // the streaming mode or ZA to be restored after returning from the call. + // the streaming mode or ZA/ZT0 to be restored after returning from the call. SMECallAttrs CallAttrs = getSMECallAttrs(CallerF, getRuntimeLibcallsInfo(), CLI); if (CallAttrs.requiresSMChange() || CallAttrs.requiresLazySave() || CallAttrs.requiresPreservingAllZAState() || + CallAttrs.requiresPreservingZT0() || CallAttrs.caller().hasStreamingBody()) return false; |