diff options
Diffstat (limited to 'lib/Target/X86/X86RegisterInfo.cpp')
| -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 c6655f7c44..0923310cf3 100644 --- a/lib/Target/X86/X86RegisterInfo.cpp +++ b/lib/Target/X86/X86RegisterInfo.cpp @@ -411,10 +411,11 @@ bool X86RegisterInfo::hasBasePointer(const MachineFunction &MF) const { } bool X86RegisterInfo::canRealignStack(const MachineFunction &MF) const { + if (MF.getFunction()->hasFnAttribute("no-realign-stack")) + return false; + const MachineFrameInfo *MFI = MF.getFrameInfo(); const MachineRegisterInfo *MRI = &MF.getRegInfo(); - if (!MF.getTarget().Options.RealignStack) - return false; // Stack realignment requires a frame pointer. If we already started // register allocation with frame pointer elimination, it is too late now. |