Try approach to moving call address load inside of callseq_start. Now it's done during the preprocess of x86 isel. callseq_start's chain is changed to load's chain node; while load's chain is the last of callseq_start or the loads or copytoreg nodes inserted to move arguments to the right spot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55338 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 5d8cb1c..8601683 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -1457,12 +1457,12 @@
SDValue X86TargetLowering::LowerCALL(SDValue Op, SelectionDAG &DAG) {
MachineFunction &MF = DAG.getMachineFunction();
- SDValue Chain = Op.getOperand(0);
+ SDValue Chain = Op.getOperand(0);
unsigned CC = cast<ConstantSDNode>(Op.getOperand(1))->getValue();
bool isVarArg = cast<ConstantSDNode>(Op.getOperand(2))->getValue() != 0;
bool IsTailCall = cast<ConstantSDNode>(Op.getOperand(3))->getValue() != 0
&& CC == CallingConv::Fast && PerformTailCallOpt;
- SDValue Callee = Op.getOperand(4);
+ SDValue Callee = Op.getOperand(4);
bool Is64Bit = Subtarget->is64Bit();
bool IsStructRet = CallIsStructReturn(Op);