[GISel] Make assignValueToReg take CCValAssign by const reference. (#70086)

This was previously passed by value. It used to be passed by non-const
reference, but it was changed to value in D110610. I'm not sure why.

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/Target/AMDGPU/AMDGPUCallLowering.cpp b/llvm/lib/Target/AMDGPU/AMDGPUCallLowering.cpp
index 08bce3b..bc5f170 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUCallLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUCallLowering.cpp
@@ -62,7 +62,7 @@ struct AMDGPUOutgoingValueHandler : public CallLowering::OutgoingValueHandler {
   }
 
   void assignValueToReg(Register ValVReg, Register PhysReg,
-                        CCValAssign VA) override {
+                        const CCValAssign &VA) override {
     Register ExtReg = extendRegisterMin32(*this, ValVReg, VA);
 
     // If this is a scalar return, insert a readfirstlane just in case the value
@@ -118,7 +118,7 @@ struct AMDGPUIncomingArgHandler : public CallLowering::IncomingValueHandler {
   }
 
   void assignValueToReg(Register ValVReg, Register PhysReg,
-                        CCValAssign VA) override {
+                        const CCValAssign &VA) override {
     markPhysRegUsed(PhysReg);
 
     if (VA.getLocVT().getSizeInBits() < 32) {
@@ -231,7 +231,7 @@ struct AMDGPUOutgoingArgHandler : public AMDGPUOutgoingValueHandler {
   }
 
   void assignValueToReg(Register ValVReg, Register PhysReg,
-                        CCValAssign VA) override {
+                        const CCValAssign &VA) override {
     MIB.addUse(PhysReg, RegState::Implicit);
     Register ExtReg = extendRegisterMin32(*this, ValVReg, VA);
     MIRBuilder.buildCopy(PhysReg, ExtReg);