[GlobalISel] Move extendRegister where it belongs. NFCI

Apparently I missed this one when I moved ValueHandler back in r288658. Sorry!

llvm-svn: 289528

2 files changed, 29 insertions, 28 deletions

diff --git a/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp b/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp
index 7f17d346a72..13212212fa0 100644
--- a/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp
@@ -15,6 +15,7 @@
 #include "llvm/CodeGen/GlobalISel/CallLowering.h"
 #include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
 #include "llvm/CodeGen/MachineOperand.h"
+#include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/IR/DataLayout.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/Module.h"
@@ -139,3 +140,31 @@ bool CallLowering::handleAssignments(MachineIRBuilder &MIRBuilder,
   }
   return true;
 }
+
+unsigned CallLowering::ValueHandler::extendRegister(unsigned ValReg,
+                                                    CCValAssign &VA) {
+  LLT LocTy{VA.getLocVT()};
+  switch (VA.getLocInfo()) {
+  default: break;
+  case CCValAssign::Full:
+  case CCValAssign::BCvt:
+    // FIXME: bitconverting between vector types may or may not be a
+    // nop in big-endian situations.
+    return ValReg;
+  case CCValAssign::AExt:
+    assert(!VA.getLocVT().isVector() && "unexpected vector extend");
+    // Otherwise, it's a nop.
+    return ValReg;
+  case CCValAssign::SExt: {
+    unsigned NewReg = MRI.createGenericVirtualRegister(LocTy);
+    MIRBuilder.buildSExt(NewReg, ValReg);
+    return NewReg;
+  }
+  case CCValAssign::ZExt: {
+    unsigned NewReg = MRI.createGenericVirtualRegister(LocTy);
+    MIRBuilder.buildZExt(NewReg, ValReg);
+    return NewReg;
+  }
+  }
+  llvm_unreachable("unable to extend register");
+}
diff --git a/llvm/lib/Target/AArch64/AArch64CallLowering.cpp b/llvm/lib/Target/AArch64/AArch64CallLowering.cpp
index 49ad47f7fac..ebf3acc5f49 100644
--- a/llvm/lib/Target/AArch64/AArch64CallLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64CallLowering.cpp
@@ -32,34 +32,6 @@ AArch64CallLowering::AArch64CallLowering(const AArch64TargetLowering &TLI)
   : CallLowering(&TLI) {
 }
 
-unsigned CallLowering::ValueHandler::extendRegister(unsigned ValReg,
-                                                    CCValAssign &VA) {
-  LLT LocTy{VA.getLocVT()};
-  switch (VA.getLocInfo()) {
-  default: break;
-  case CCValAssign::Full:
-  case CCValAssign::BCvt:
-    // FIXME: bitconverting between vector types may or may not be a
-    // nop in big-endian situations.
-    return ValReg;
-  case CCValAssign::AExt:
-    assert(!VA.getLocVT().isVector() && "unexpected vector extend");
-    // Otherwise, it's a nop.
-    return ValReg;
-  case CCValAssign::SExt: {
-    unsigned NewReg = MRI.createGenericVirtualRegister(LocTy);
-    MIRBuilder.buildSExt(NewReg, ValReg);
-    return NewReg;
-  }
-  case CCValAssign::ZExt: {
-    unsigned NewReg = MRI.createGenericVirtualRegister(LocTy);
-    MIRBuilder.buildZExt(NewReg, ValReg);
-    return NewReg;
-  }
-  }
-  llvm_unreachable("unable to extend register");
-}
-
 struct IncomingArgHandler : public CallLowering::ValueHandler {
   IncomingArgHandler(MachineIRBuilder &MIRBuilder, MachineRegisterInfo &MRI)
     : ValueHandler(MIRBuilder, MRI) {}