diff options
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp index 477267ad56..3579b8439a 100644 --- a/lib/Target/X86/X86RegisterInfo.cpp +++ b/lib/Target/X86/X86RegisterInfo.cpp @@ -998,12 +998,13 @@ void X86RegisterInfo::emitPrologue(MachineFunction &MF) const { // Get the number of bytes to allocate from the FrameInfo unsigned NumBytes = MFI->getStackSize(); - if (MFI->hasCalls() && !hasFP(MF)) + if (MFI->hasCalls() || MF.getFrameInfo()->hasVarSizedObjects()) { // When we have no frame pointer, we reserve argument space for call sites // in the function immediately on entry to the current function. This // eliminates the need for add/sub ESP brackets around call sites. // - NumBytes += MFI->getMaxCallFrameSize(); + if (!hasFP(MF)) + NumBytes += MFI->getMaxCallFrameSize(); // Round the size to a multiple of the alignment (don't forget the 4/8 byte // offset pushed by the caller though). No need to align the stack if this |