diff options
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/Analysis.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/Analysis.cpp b/llvm/lib/CodeGen/Analysis.cpp index 3ef90d32daf..6c059665fca 100644 --- a/llvm/lib/CodeGen/Analysis.cpp +++ b/llvm/lib/CodeGen/Analysis.cpp @@ -523,7 +523,8 @@ bool llvm::isInTailCallPosition(ImmutableCallSite CS, const TargetMachine &TM) { // longjmp on x86), it can end up causing miscompilation that has not // been fully understood. if (!Ret && - (!TM.Options.GuaranteedTailCallOpt || !isa<UnreachableInst>(Term))) + ((!TM.Options.GuaranteedTailCallOpt && + CS.getCallingConv() != CallingConv::Tail) || !isa<UnreachableInst>(Term))) return false; // If I will have a chain, make sure no other instruction that will have a |
