get def use info more correct.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45821 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86InstrFPStack.td b/lib/Target/X86/X86InstrFPStack.td
index 52f1409..5449e64 100644
--- a/lib/Target/X86/X86InstrFPStack.td
+++ b/lib/Target/X86/X86InstrFPStack.td
@@ -36,13 +36,13 @@
 def X86fpset        : SDNode<"X86ISD::FP_SET_RESULT", SDTX86FpSet,
                         [SDNPHasChain, SDNPOutFlag]>;
 def X86fld          : SDNode<"X86ISD::FLD",      SDTX86Fld,
-                        [SDNPHasChain]>;
+                        [SDNPHasChain, SDNPMayLoad]>;
 def X86fst          : SDNode<"X86ISD::FST",      SDTX86Fst,
-                        [SDNPHasChain, SDNPInFlag]>;
+                        [SDNPHasChain, SDNPInFlag, SDNPMayStore]>;
 def X86fild         : SDNode<"X86ISD::FILD",     SDTX86Fild,
-                        [SDNPHasChain]>;
+                        [SDNPHasChain, SDNPMayLoad]>;
 def X86fildflag     : SDNode<"X86ISD::FILD_FLAG",SDTX86Fild,
-                        [SDNPHasChain, SDNPOutFlag]>;
+                        [SDNPHasChain, SDNPOutFlag, SDNPMayLoad]>;
 def X86fp_to_i16mem : SDNode<"X86ISD::FP_TO_INT16_IN_MEM", SDTX86FpToIMem,
                         [SDNPHasChain]>;
 def X86fp_to_i32mem : SDNode<"X86ISD::FP_TO_INT32_IN_MEM", SDTX86FpToIMem,