Use a default value for the prologue's debug location.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190366 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86FrameLowering.cpp b/lib/Target/X86/X86FrameLowering.cpp
index adcd4f7..dd02c4e 100644 (file)
--- a/lib/Target/X86/X86FrameLowering.cpp
+++ b/lib/Target/X86/X86FrameLowering.cpp
@@ -408,7 +408,7 @@ void X86FrameLowering::emitPrologue(MachineFunction &MF) const {
   unsigned FramePtr = RegInfo->getFrameRegister(MF);
   unsigned StackPtr = RegInfo->getStackRegister();
   unsigned BasePtr = RegInfo->getBaseRegister();
-  DebugLoc DL;
+  DebugLoc DL = MBB.findDebugLoc(MBBI);
 
   // If we're forcing a stack realignment we can't rely on just the frame
   // info, we need to know the ABI stack alignment as well in case we