From 42487eafa6cfe83a8467e02bfdb50cd980ccb87c Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@gmail.com>
Date: Sun, 12 Apr 2020 23:09:35 -0700
Subject: [CallSite removal][CodeGen] Use CallBase instead of ImmutableCallSite
 in SwiftErrorValueTracking. NFC

---
 llvm/lib/CodeGen/SwiftErrorValueTracking.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'llvm/lib/CodeGen/SwiftErrorValueTracking.cpp')

diff --git a/llvm/lib/CodeGen/SwiftErrorValueTracking.cpp b/llvm/lib/CodeGen/SwiftErrorValueTracking.cpp
index c72a042..dd0b9d4 100644
--- a/llvm/lib/CodeGen/SwiftErrorValueTracking.cpp
+++ b/llvm/lib/CodeGen/SwiftErrorValueTracking.cpp
@@ -264,11 +264,10 @@ void SwiftErrorValueTracking::preassignVRegs(
 
   // Iterator over instructions and assign vregs to swifterror defs and uses.
   for (auto It = Begin; It != End; ++It) {
-    ImmutableCallSite CS(&*It);
-    if (CS) {
+    if (auto *CB = dyn_cast<CallBase>(&*It)) {
       // A call-site with a swifterror argument is both use and def.
       const Value *SwiftErrorAddr = nullptr;
-      for (auto &Arg : CS.args()) {
+      for (auto &Arg : CB->args()) {
         if (!Arg->isSwiftError())
           continue;
         // Use of swifterror.
-- 
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