Add support for folding memory operands for ADC, SBB and SUB instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11541 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index 5d132dec206cbacf760e2217c01787ca1523a417..7db02dfe838cea6627a0a2d68053a496a53520be 100644 (file)
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -131,9 +131,17 @@ bool X86RegisterInfo::foldMemoryOperand(MachineBasicBlock::iterator &MI,
     case X86::ADDrr8:  NI = MakeMRInst(X86::ADDmr8 , FrameIndex, MI); break;
     case X86::ADDrr16: NI = MakeMRInst(X86::ADDmr16, FrameIndex, MI); break;
     case X86::ADDrr32: NI = MakeMRInst(X86::ADDmr32, FrameIndex, MI); break;
+    case X86::ADCrr32: NI = MakeMRInst(X86::ADCmr32, FrameIndex, MI); break;
     case X86::ADDri8:  NI = MakeMIInst(X86::ADDmi8 , FrameIndex, MI); break;
     case X86::ADDri16: NI = MakeMIInst(X86::ADDmi16, FrameIndex, MI); break;
     case X86::ADDri32: NI = MakeMIInst(X86::ADDmi32, FrameIndex, MI); break;
+    case X86::SUBrr8:  NI = MakeMRInst(X86::SUBmr8 , FrameIndex, MI); break;
+    case X86::SUBrr16: NI = MakeMRInst(X86::SUBmr16, FrameIndex, MI); break;
+    case X86::SUBrr32: NI = MakeMRInst(X86::SUBmr32, FrameIndex, MI); break;
+    case X86::SBBrr32: NI = MakeMRInst(X86::SBBmr32, FrameIndex, MI); break;
+    case X86::SUBri8:  NI = MakeMIInst(X86::SUBmi8 , FrameIndex, MI); break;
+    case X86::SUBri16: NI = MakeMIInst(X86::SUBmi16, FrameIndex, MI); break;
+    case X86::SUBri32: NI = MakeMIInst(X86::SUBmi32, FrameIndex, MI); break;
     case X86::ANDrr8:  NI = MakeMRInst(X86::ANDmr8 , FrameIndex, MI); break;
     case X86::ANDrr16: NI = MakeMRInst(X86::ANDmr16, FrameIndex, MI); break;
     case X86::ANDrr32: NI = MakeMRInst(X86::ANDmr32, FrameIndex, MI); break;
@@ -150,6 +158,11 @@ bool X86RegisterInfo::foldMemoryOperand(MachineBasicBlock::iterator &MI,
     case X86::ADDrr8:  NI = MakeRMInst(X86::ADDrm8 , FrameIndex, MI); break;
     case X86::ADDrr16: NI = MakeRMInst(X86::ADDrm16, FrameIndex, MI); break;
     case X86::ADDrr32: NI = MakeRMInst(X86::ADDrm32, FrameIndex, MI); break;
+    case X86::ADCrr32: NI = MakeRMInst(X86::ADCrm32, FrameIndex, MI); break;
+    case X86::SUBrr8:  NI = MakeRMInst(X86::SUBrm8 , FrameIndex, MI); break;
+    case X86::SUBrr16: NI = MakeRMInst(X86::SUBrm16, FrameIndex, MI); break;
+    case X86::SUBrr32: NI = MakeRMInst(X86::SUBrm32, FrameIndex, MI); break;
+    case X86::SBBrr32: NI = MakeRMInst(X86::SBBrm32, FrameIndex, MI); break;
     case X86::ANDrr8:  NI = MakeRMInst(X86::ANDrm8 , FrameIndex, MI); break;
     case X86::ANDrr16: NI = MakeRMInst(X86::ANDrm16, FrameIndex, MI); break;
     case X86::ANDrr32: NI = MakeRMInst(X86::ANDrm32, FrameIndex, MI); break;