diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86FrameLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86FrameLowering.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86FrameLowering.cpp b/llvm/lib/Target/X86/X86FrameLowering.cpp index 2d660ac8826..1eb9fa0bc1e 100644 --- a/llvm/lib/Target/X86/X86FrameLowering.cpp +++ b/llvm/lib/Target/X86/X86FrameLowering.cpp @@ -1208,6 +1208,13 @@ void X86FrameLowering::emitPrologue(MachineFunction &MF, if (!IsWin64Prologue && !IsFunclet && TRI->needsStackRealignment(MF)) { assert(HasFP && "There should be a frame pointer if stack is realigned."); BuildStackAlignAND(MBB, MBBI, DL, StackPtr, MaxAlign); + + if (NeedsWinCFI) { + HasWinCFI = true; + BuildMI(MBB, MBBI, DL, TII.get(X86::SEH_StackAlign)) + .addImm(MaxAlign) + .setMIFlag(MachineInstr::FrameSetup); + } } // If there is an SUB32ri of ESP immediately before this instruction, merge |
