[GISel] Address review feedback on passing MD_callees to lowerCall.

Preserve the nullptr default for KnownCallees that appears in
the base class.

llvm-svn: 367477

4 files changed, 5 insertions, 5 deletions

diff --git a/llvm/lib/Target/AArch64/AArch64CallLowering.h b/llvm/lib/Target/AArch64/AArch64CallLowering.h
index 2446d980bcf..c7c2140c4a4 100644
--- a/llvm/lib/Target/AArch64/AArch64CallLowering.h
+++ b/llvm/lib/Target/AArch64/AArch64CallLowering.h
@@ -43,12 +43,12 @@ public:
   bool lowerCall(MachineIRBuilder &MIRBuilder, CallingConv::ID CallConv,
                  const MachineOperand &Callee, const ArgInfo &OrigRet,
                  ArrayRef<ArgInfo> OrigArgs, Register SwiftErrorVReg,
-                 const MDNode *KnownCallees) const override;
+                 const MDNode *KnownCallees = nullptr) const override;
 
   bool lowerCall(MachineIRBuilder &MIRBuilder, CallingConv::ID CallConv,
                  const MachineOperand &Callee, const ArgInfo &OrigRet,
                  ArrayRef<ArgInfo> OrigArgs,
-                 const MDNode *KnownCallees) const override {
+                 const MDNode *KnownCallees = nullptr) const override {
     return lowerCall(MIRBuilder, CallConv, Callee, OrigRet, OrigArgs, 0,
                      KnownCallees);
   }
diff --git a/llvm/lib/Target/ARM/ARMCallLowering.h b/llvm/lib/Target/ARM/ARMCallLowering.h
index e0f1e3dfd70..c32af75c699 100644
--- a/llvm/lib/Target/ARM/ARMCallLowering.h
+++ b/llvm/lib/Target/ARM/ARMCallLowering.h
@@ -41,7 +41,7 @@ public:
   bool lowerCall(MachineIRBuilder &MIRBuilder, CallingConv::ID CallConv,
                  const MachineOperand &Callee, const ArgInfo &OrigRet,
                  ArrayRef<ArgInfo> OrigArgs,
-                 const MDNode *KnownCallees) const override;
+                 const MDNode *KnownCallees = nullptr) const override;
 
 private:
   bool lowerReturnVal(MachineIRBuilder &MIRBuilder, const Value *Val,
diff --git a/llvm/lib/Target/Mips/MipsCallLowering.h b/llvm/lib/Target/Mips/MipsCallLowering.h
index 1245fcb5795..ff2a1f93d79 100644
--- a/llvm/lib/Target/Mips/MipsCallLowering.h
+++ b/llvm/lib/Target/Mips/MipsCallLowering.h
@@ -71,7 +71,7 @@ public:
   bool lowerCall(MachineIRBuilder &MIRBuilder, CallingConv::ID CallConv,
                  const MachineOperand &Callee, const ArgInfo &OrigRet,
                  ArrayRef<ArgInfo> OrigArgs,
-                 const MDNode *KnownCallees) const override;
+                 const MDNode *KnownCallees = nullptr) const override;
 
 private:
   /// Based on registers available on target machine split or extend
diff --git a/llvm/lib/Target/X86/X86CallLowering.h b/llvm/lib/Target/X86/X86CallLowering.h
index 97d12e8c740..4426faeac93 100644
--- a/llvm/lib/Target/X86/X86CallLowering.h
+++ b/llvm/lib/Target/X86/X86CallLowering.h
@@ -37,7 +37,7 @@ public:
   bool lowerCall(MachineIRBuilder &MIRBuilder, CallingConv::ID CallConv,
                  const MachineOperand &Callee, const ArgInfo &OrigRet,
                  ArrayRef<ArgInfo> OrigArgs,
-                 const MDNode *KnownCallees) const override;
+                 const MDNode *KnownCallees = nullptr) const override;
 
 private:
   /// A function of this type is used to perform value split action.