Do not emit callseq instructions around sibcalls. This eliminated some unnecessary stack adjustments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95475 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86MachineFunctionInfo.h b/lib/Target/X86/X86MachineFunctionInfo.h
index fafcf7e..bb53bf1 100644
--- a/lib/Target/X86/X86MachineFunctionInfo.h
+++ b/lib/Target/X86/X86MachineFunctionInfo.h
@@ -48,9 +48,8 @@
/// ReturnAddrIndex - FrameIndex for return slot.
int ReturnAddrIndex;
- /// TailCallReturnAddrDelta - Delta the ReturnAddr stack slot is moved
- /// Used for creating an area before the register spill area on the stack
- /// the returnaddr can be savely move to this area
+ /// TailCallReturnAddrDelta - The number of bytes by which return address
+ /// stack slot is moved as the result of tail call optimization.
int TailCallReturnAddrDelta;
/// SRetReturnReg - Some subtargets require that sret lowering includes