Add a comment about overlapping PPC frame offsets
I don't think that it is otherwise clear how the overlapping offsets
are processed into distinct spill slots. Comment that this is done
in processFunctionBeforeFrameFinalized.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177094 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCFrameLowering.h b/lib/Target/PowerPC/PPCFrameLowering.h
index d09e47f..a07c170 100644
--- a/lib/Target/PowerPC/PPCFrameLowering.h
+++ b/lib/Target/PowerPC/PPCFrameLowering.h
@@ -144,6 +144,9 @@
return 0;
}
+ // Note that the offsets here overlap, but this is fixed up in
+ // processFunctionBeforeFrameFinalized.
+
static const SpillSlot Offsets[] = {
// Floating-point register save area offsets.
{PPC::F31, -8},
