diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMFrameLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMFrameLowering.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ARMFrameLowering.cpp b/llvm/lib/Target/ARM/ARMFrameLowering.cpp index c2cc302..b2765b2 100644 --- a/llvm/lib/Target/ARM/ARMFrameLowering.cpp +++ b/llvm/lib/Target/ARM/ARMFrameLowering.cpp @@ -2562,8 +2562,9 @@ void ARMFrameLowering::adjustForSegmentedStacks( // Make sure the LiveIns are still sorted and unique. MBB->sortUniqueLiveIns(); // Replace the edges to PrologueMBB by edges to the sequences - // we are about to add. - MBB->ReplaceUsesOfBlockWith(&PrologueMBB, AddedBlocks[0]); + // we are about to add, but only update for immediate predecessors. + if (MBB->isSuccessor(&PrologueMBB)) + MBB->ReplaceUsesOfBlockWith(&PrologueMBB, AddedBlocks[0]); } // The required stack size that is aligned to ARM constant criterion. |