Expand on the safeness of restoring the sp from the fp a bit more.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123193 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMFrameLowering.cpp b/lib/Target/ARM/ARMFrameLowering.cpp
index 824538c..adff239 100644
--- a/lib/Target/ARM/ARMFrameLowering.cpp
+++ b/lib/Target/ARM/ARMFrameLowering.cpp
@@ -288,7 +288,8 @@
}
// If the frame has variable sized objects then the epilogue must restore
- // the sp from fp.
+ // the sp from fp. We can assume there's an FP here since hasFP already
+ // checks for hasVarSizedObjects.
if (MFI->hasVarSizedObjects())
AFI->setShouldRestoreSPFromFP(true);
}