[RISCV] Order call operands like LLVM MIR

1 files changed, 8 insertions, 8 deletions

diff --git a/backend/lib/Target/RISCV/RISCVCallLowering.cpp b/backend/lib/Target/RISCV/RISCVCallLowering.cpp
index 4780edb..60bf6f2 100644
--- a/backend/lib/Target/RISCV/RISCVCallLowering.cpp
+++ b/backend/lib/Target/RISCV/RISCVCallLowering.cpp
@@ -1352,6 +1352,14 @@ emitOutgoingArguments(MachineIRBuilder &Builder, const CallLoweringPlan &Plan,
   if (!Mask)
     return std::unexpected(Mask.error());
 
+  std::unordered_set<PhysicalRegister> DynamicUses;
+  for (const CCAssignment &Assignment : Plan.argumentAssignments()) {
+    if (Assignment.LocationRegister && DynamicUses.insert(*Assignment.LocationRegister).second) {
+      auto Use = Instruction->addImplicitUse(Register::fromPhysical(*Assignment.LocationRegister));
+      if (!Use)
+        return std::unexpected(Use.error());
+    }
+  }
   std::unordered_set<PhysicalRegister> DynamicDefs;
   if (!IsTail) {
     for (const CCAssignment &Assignment : Plan.returnAssignments()) {
@@ -1363,14 +1371,6 @@ emitOutgoingArguments(MachineIRBuilder &Builder, const CallLoweringPlan &Plan,
       }
     }
   }
-  std::unordered_set<PhysicalRegister> DynamicUses;
-  for (const CCAssignment &Assignment : Plan.argumentAssignments()) {
-    if (Assignment.LocationRegister && DynamicUses.insert(*Assignment.LocationRegister).second) {
-      auto Use = Instruction->addImplicitUse(Register::fromPhysical(*Assignment.LocationRegister));
-      if (!Use)
-        return std::unexpected(Use.error());
-    }
-  }
   auto Built = Instruction->build();
   if (!Built)
     return std::unexpected(Built.error());