adc and sbb need an incoming flag to ensure it reads the carry flag
from add / sub.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25444 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 741e7d1..ba15900 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -63,8 +63,9 @@
def X86subflag : SDNode<"X86ISD::SUB_FLAG", SDTIntBinOp,
[SDNPOutFlag]>;
def X86adc : SDNode<"X86ISD::ADC" , SDTIntBinOp ,
- [SDNPCommutative, SDNPAssociative]>;
-def X86sbb : SDNode<"X86ISD::SBB" , SDTIntBinOp>;
+ [SDNPCommutative, SDNPAssociative, SDNPInFlag]>;
+def X86sbb : SDNode<"X86ISD::SBB" , SDTIntBinOp,
+ [SDNPInFlag]>;
def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;