diff options
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp index 277a09cc15..bca197311f 100644 --- a/lib/Target/X86/X86RegisterInfo.cpp +++ b/lib/Target/X86/X86RegisterInfo.cpp @@ -525,6 +525,12 @@ void X86RegisterInfo::emitPrologue(MachineFunction &MF) const { X86FI->getCalleeSavedFrameSize() +(-TailCallReturnAddrDelta)); uint64_t NumBytes = StackSize - X86FI->getCalleeSavedFrameSize(); + // Skip over the label which mark the beginning of the function. + if (MMI && MMI->needsFrameInfo() && + MBBI != MBB.end() && + MBBI->getOpcode() == X86::LABEL) + ++MBBI; + // Insert stack pointer adjustment for later moving of return addr. Only // applies to tail call optimized functions where the callee argument stack // size is bigger than the callers. |